[{"volume":6,"doi":"https://www.th-owl.de/elsa/download/333/334/PEM_2016_Proceeding_2016_09_14_Inhaltsnavigation.pdf","user_id":"55833","_id":"21702","language":[{"iso":"eng"}],"page":"27-38","intvolume":"         6","date_updated":"2022-01-06T06:55:11Z","author":[{"last_name":"Reiher","first_name":"T.","full_name":"Reiher, T."},{"last_name":"Deppe","first_name":"G.","full_name":"Deppe, G."},{"first_name":"R.","last_name":"Koch","full_name":"Koch, R."}],"publication_identifier":{"isbn":["978-3-946856-00-9"]},"year":"2016","title":"Combining material efficiency and part reliability by product optimization applying additive manufacturing","status":"public","department":[{"_id":"144"},{"_id":"219"},{"_id":"624"}],"type":"conference","date_created":"2021-04-21T07:40:35Z","abstract":[{"lang":"eng","text":"Nowadays, the material efficiency and part reliability are two majorissues in product development. Thus a product optimization often requires complex structures that are hard to be manufactured conventionally. Additive Manufacturing (AM) however offers great potentials for producing complex shaped parts economically. Different approaches are feasible to exploit these potentials based on the part’s application from shape optimization of structural components to the integration of functions and other entities of assemblies. Several parameters are defined that influence the costs and quality of the future product and carefully have to be balanced. To do so, the use of already known tools for the optimization and design needs to be reconsidered and adapted to the special characteristics of AM. As not all optimization potentials can be realized perfectly, a decision methodology is required to obtain the relevant potentials and to get to a trade-off between all requirements including the ecological impact. The paper shows different approaches for product optimization with AM and procedures for decision making in order to get to the optimal solution."}],"citation":{"ieee":"T. Reiher, G. Deppe, and R. Koch, “Combining material efficiency and part reliability by product optimization applying additive manufacturing,” in <i>International Conference Production Engineering and Management 2016</i>, 2016, vol. 6, pp. 27–38.","apa":"Reiher, T., Deppe, G., &#38; Koch, R. (2016). Combining material efficiency and part reliability by product optimization applying additive manufacturing. In <i>International Conference Production Engineering and Management 2016</i> (Vol. 6, pp. 27–38). <a href=\"https://www.th-owl.de/elsa/download/333/334/PEM_2016_Proceeding_2016_09_14_Inhaltsnavigation.pdf\">https://www.th-owl.de/elsa/download/333/334/PEM_2016_Proceeding_2016_09_14_Inhaltsnavigation.pdf</a>","chicago":"Reiher, T., G. Deppe, and R. Koch. “Combining Material Efficiency and Part Reliability by Product Optimization Applying Additive Manufacturing.” In <i>International Conference Production Engineering and Management 2016</i>, 6:27–38, 2016. <a href=\"https://www.th-owl.de/elsa/download/333/334/PEM_2016_Proceeding_2016_09_14_Inhaltsnavigation.pdf\">https://www.th-owl.de/elsa/download/333/334/PEM_2016_Proceeding_2016_09_14_Inhaltsnavigation.pdf</a>.","short":"T. Reiher, G. Deppe, R. Koch, in: International Conference Production Engineering and Management 2016, 2016, pp. 27–38.","mla":"Reiher, T., et al. “Combining Material Efficiency and Part Reliability by Product Optimization Applying Additive Manufacturing.” <i>International Conference Production Engineering and Management 2016</i>, vol. 6, 2016, pp. 27–38, doi:<a href=\"https://www.th-owl.de/elsa/download/333/334/PEM_2016_Proceeding_2016_09_14_Inhaltsnavigation.pdf\">https://www.th-owl.de/elsa/download/333/334/PEM_2016_Proceeding_2016_09_14_Inhaltsnavigation.pdf</a>.","bibtex":"@inproceedings{Reiher_Deppe_Koch_2016, title={Combining material efficiency and part reliability by product optimization applying additive manufacturing}, volume={6}, DOI={<a href=\"https://www.th-owl.de/elsa/download/333/334/PEM_2016_Proceeding_2016_09_14_Inhaltsnavigation.pdf\">https://www.th-owl.de/elsa/download/333/334/PEM_2016_Proceeding_2016_09_14_Inhaltsnavigation.pdf</a>}, booktitle={International Conference Production Engineering and Management 2016}, author={Reiher, T. and Deppe, G. and Koch, R.}, year={2016}, pages={27–38} }","ama":"Reiher T, Deppe G, Koch R. Combining material efficiency and part reliability by product optimization applying additive manufacturing. In: <i>International Conference Production Engineering and Management 2016</i>. Vol 6. ; 2016:27-38. doi:<a href=\"https://www.th-owl.de/elsa/download/333/334/PEM_2016_Proceeding_2016_09_14_Inhaltsnavigation.pdf\">https://www.th-owl.de/elsa/download/333/334/PEM_2016_Proceeding_2016_09_14_Inhaltsnavigation.pdf</a>"},"publication":"International Conference Production Engineering and Management 2016"},{"citation":{"chicago":"Deppe, G., and R. Koch. “Unterstützung Des AM Entscheidungsprozesses in Der Luftfahrtersatzteilversorgung.” In <i>Rapid Tech 2016</i>, 13:349–60. Hanser Verlag, 2016. <a href=\"https://doi.org/10.3139/9783446450608.031\">https://doi.org/10.3139/9783446450608.031</a>.","short":"G. Deppe, R. Koch, in: Rapid Tech 2016, Hanser Verlag, 2016, pp. 349–360.","ieee":"G. Deppe and R. Koch, “Unterstützung des AM Entscheidungsprozesses in der Luftfahrtersatzteilversorgung,” in <i>Rapid Tech 2016</i>, 2016, vol. 13, pp. 349–360.","apa":"Deppe, G., &#38; Koch, R. (2016). Unterstützung des AM Entscheidungsprozesses in der Luftfahrtersatzteilversorgung. In <i>Rapid Tech 2016</i> (Vol. 13, pp. 349–360). Hanser Verlag. <a href=\"https://doi.org/10.3139/9783446450608.031\">https://doi.org/10.3139/9783446450608.031</a>","bibtex":"@inproceedings{Deppe_Koch_2016, title={Unterstützung des AM Entscheidungsprozesses in der Luftfahrtersatzteilversorgung}, volume={13}, DOI={<a href=\"https://doi.org/10.3139/9783446450608.031\">https://doi.org/10.3139/9783446450608.031</a>}, booktitle={Rapid Tech 2016}, publisher={Hanser Verlag}, author={Deppe, G. and Koch, R.}, year={2016}, pages={349–360} }","ama":"Deppe G, Koch R. Unterstützung des AM Entscheidungsprozesses in der Luftfahrtersatzteilversorgung. In: <i>Rapid Tech 2016</i>. Vol 13. Hanser Verlag; 2016:349-360. doi:<a href=\"https://doi.org/10.3139/9783446450608.031\">https://doi.org/10.3139/9783446450608.031</a>","mla":"Deppe, G., and R. Koch. “Unterstützung Des AM Entscheidungsprozesses in Der Luftfahrtersatzteilversorgung.” <i>Rapid Tech 2016</i>, vol. 13, Hanser Verlag, 2016, pp. 349–60, doi:<a href=\"https://doi.org/10.3139/9783446450608.031\">https://doi.org/10.3139/9783446450608.031</a>."},"publication":"Rapid Tech 2016","abstract":[{"text":"Additive Fertigungsverfahren bieten in der Luftfahrtindustrie großes Potential. Die Geometriefreiheit ermöglicht die Produktion von komplexen und gewichtsoptimierten Bauteilen. Die mangelnde Erfahrung der Unternehmen mit dieser Fertigungstechnologie erschwert jedoch die Entscheidung, an welcher Stelle Additive Manufacturing ökonomisch sinnvoll eingesetzt werden kann. Die Kosteneinflussfaktoren unterscheiden sich an vielen Stellen von denen traditioneller Fertigungsverfahren und müssen gänzlich neu bewertet und eingeordnet werden. Dabei verlagert sich auch der Fokus weg von den reinen Herstellkosten hinzu einer ganzheitlichen Kostenbetrachtung. Wesentliche Vorteile lassen sich auch meist in der Supply Chain erzielen und müssen im Zuge des Entscheidungsprozesses für ein Fertigungsverfahren bei einem bestimmten Bauteil berücksichtigt werden. Daher werden in der Präsentation die Charakteristika der Luftfahrt analysiert und die Methodik einer Entscheidungsunterstützung vorgestellt. Im Zuge dessen gilt es die Kostenbewertung additiver Fertigungsverfahren näher zu beleuchten, um die Fertigungs- bzw. Reperaturkosten mit traditionellen Verfahren vergleichen zu können. Weiterhin müssen Veränderungen in der Supply Chain identifiziert und bewertbar gemacht werden. Qualitätskriterien müssen ebenfalls mit in die Betrachtung einbezogen werden. Anschließend wird aufgeziegt wie diese Einflussfaktoren in die Entscheidungsunterstützung integriert sind.","lang":"eng"}],"date_created":"2021-04-21T07:45:02Z","department":[{"_id":"144"},{"_id":"219"},{"_id":"624"}],"type":"conference","publication_identifier":{"isbn":["978-3-446-45017-2"]},"author":[{"first_name":"G.","last_name":"Deppe","full_name":"Deppe, G."},{"full_name":"Koch, R.","first_name":"R.","last_name":"Koch"}],"title":"Unterstützung des AM Entscheidungsprozesses in der Luftfahrtersatzteilversorgung","year":"2016","status":"public","intvolume":"        13","date_updated":"2022-01-06T06:55:11Z","_id":"21705","publisher":"Hanser Verlag","language":[{"iso":"eng"}],"page":"349-360","volume":13,"user_id":"55833","doi":"https://doi.org/10.3139/9783446450608.031"},{"_id":"21997","language":[{"iso":"eng"}],"volume":14,"user_id":"9138","doi":"https://www.designsociety.org/publication/38831/DATA+MANAGEMENT+FOR+ADDITIVE+MANUFACTURING%3A+SURVEY+ON+REQUIREMENTS+AND+CURRENT+STATE","author":[{"first_name":"I.","last_name":"Gräßler","full_name":"Gräßler, I."},{"last_name":"Taplick","first_name":"P.","full_name":"Taplick, P."},{"full_name":"Pottebaum, J.","first_name":"J.","last_name":"Pottebaum"},{"first_name":"P.","last_name":"Scholle","full_name":"Scholle, P."},{"full_name":"Reiher, T.","first_name":"T.","last_name":"Reiher"}],"year":"2016","title":"Data Management for additive manufacturing: survey on requirements and current state","status":"public","intvolume":"        14","date_updated":"2022-01-06T06:55:22Z","date_created":"2021-05-05T09:39:23Z","department":[{"_id":"26"},{"_id":"624"},{"_id":"219"}],"type":"conference","citation":{"chicago":"Gräßler, I., P. Taplick, J. Pottebaum, P. Scholle, and T. Reiher. “Data Management for Additive Manufacturing: Survey on Requirements and Current State.” In <i>14th International DESIGN Conference 2016</i>, Vol. 14, 2016. <a href=\"https://www.designsociety.org/publication/38831/DATA+MANAGEMENT+FOR+ADDITIVE+MANUFACTURING%3A+SURVEY+ON+REQUIREMENTS+AND+CURRENT+STATE\">https://www.designsociety.org/publication/38831/DATA+MANAGEMENT+FOR+ADDITIVE+MANUFACTURING%3A+SURVEY+ON+REQUIREMENTS+AND+CURRENT+STATE</a>.","short":"I. Gräßler, P. Taplick, J. Pottebaum, P. Scholle, T. Reiher, in: 14th International DESIGN Conference 2016, 2016.","ieee":"I. Gräßler, P. Taplick, J. Pottebaum, P. Scholle, and T. Reiher, “Data Management for additive manufacturing: survey on requirements and current state,” in <i>14th International DESIGN Conference 2016</i>, 2016, vol. 14.","apa":"Gräßler, I., Taplick, P., Pottebaum, J., Scholle, P., &#38; Reiher, T. (2016). Data Management for additive manufacturing: survey on requirements and current state. In <i>14th International DESIGN Conference 2016</i> (Vol. 14). <a href=\"https://www.designsociety.org/publication/38831/DATA+MANAGEMENT+FOR+ADDITIVE+MANUFACTURING%3A+SURVEY+ON+REQUIREMENTS+AND+CURRENT+STATE\">https://www.designsociety.org/publication/38831/DATA+MANAGEMENT+FOR+ADDITIVE+MANUFACTURING%3A+SURVEY+ON+REQUIREMENTS+AND+CURRENT+STATE</a>","bibtex":"@inproceedings{Gräßler_Taplick_Pottebaum_Scholle_Reiher_2016, title={Data Management for additive manufacturing: survey on requirements and current state}, volume={14}, DOI={<a href=\"https://www.designsociety.org/publication/38831/DATA+MANAGEMENT+FOR+ADDITIVE+MANUFACTURING%3A+SURVEY+ON+REQUIREMENTS+AND+CURRENT+STATE\">https://www.designsociety.org/publication/38831/DATA+MANAGEMENT+FOR+ADDITIVE+MANUFACTURING%3A+SURVEY+ON+REQUIREMENTS+AND+CURRENT+STATE</a>}, booktitle={14th International DESIGN Conference 2016}, author={Gräßler, I. and Taplick, P. and Pottebaum, J. and Scholle, P. and Reiher, T.}, year={2016} }","ama":"Gräßler I, Taplick P, Pottebaum J, Scholle P, Reiher T. Data Management for additive manufacturing: survey on requirements and current state. In: <i>14th International DESIGN Conference 2016</i>. Vol 14. ; 2016. doi:<a href=\"https://www.designsociety.org/publication/38831/DATA+MANAGEMENT+FOR+ADDITIVE+MANUFACTURING%3A+SURVEY+ON+REQUIREMENTS+AND+CURRENT+STATE\">https://www.designsociety.org/publication/38831/DATA+MANAGEMENT+FOR+ADDITIVE+MANUFACTURING%3A+SURVEY+ON+REQUIREMENTS+AND+CURRENT+STATE</a>","mla":"Gräßler, I., et al. “Data Management for Additive Manufacturing: Survey on Requirements and Current State.” <i>14th International DESIGN Conference 2016</i>, vol. 14, 2016, doi:<a href=\"https://www.designsociety.org/publication/38831/DATA+MANAGEMENT+FOR+ADDITIVE+MANUFACTURING%3A+SURVEY+ON+REQUIREMENTS+AND+CURRENT+STATE\">https://www.designsociety.org/publication/38831/DATA+MANAGEMENT+FOR+ADDITIVE+MANUFACTURING%3A+SURVEY+ON+REQUIREMENTS+AND+CURRENT+STATE</a>."},"publication":"14th International DESIGN Conference 2016","abstract":[{"text":"The paper gives an overview of actually used Additive Manufacturing (AM) data formats and AM data infrastructure. Based on empirical analysis of the actual situation, necessary improvement of data management and exchange formats in context with AM technology is derived. The purpose of this paper is to understand the actual use of data formats and management in the field of AM. The paper draws conclusions based on an empirical analysis of the used data formats dependent on stakeholder groups. The results of the expert survey show a necessity to improve or develop new AM specific data formats.","lang":"eng"}]},{"page":"563–568","language":[{"iso":"eng"}],"_id":"22019","doi":"10.1007/s11837-016-2197-2","user_id":"70729","volume":27,"year":"2016","status":"public","title":"Fatigue Behavior of FDM Parts Manufactured with Ultem 9085","author":[{"first_name":"M.","last_name":"Fischer","full_name":"Fischer, M."},{"first_name":"Volker","last_name":"Schöppner","full_name":"Schöppner, Volker","id":"20530"}],"date_updated":"2022-01-06T06:55:22Z","intvolume":"        27","date_created":"2021-05-07T13:22:58Z","type":"conference","department":[{"_id":"219"},{"_id":"624"},{"_id":"367"},{"_id":"321"},{"_id":"9"}],"publication":"27th Annual International Solid Freeform Fabrication Symposium ","citation":{"ieee":"M. Fischer and V. Schöppner, “Fatigue Behavior of FDM Parts Manufactured with Ultem 9085,” in <i>27th Annual International Solid Freeform Fabrication Symposium </i>, 2016, vol. 27, pp. 563–568, doi: <a href=\"https://doi.org/10.1007/s11837-016-2197-2\">10.1007/s11837-016-2197-2</a>.","apa":"Fischer, M., &#38; Schöppner, V. (2016). Fatigue Behavior of FDM Parts Manufactured with Ultem 9085. <i>27th Annual International Solid Freeform Fabrication Symposium </i>, <i>27</i>, 563–568. <a href=\"https://doi.org/10.1007/s11837-016-2197-2\">https://doi.org/10.1007/s11837-016-2197-2</a>","mla":"Fischer, M., and Volker Schöppner. “Fatigue Behavior of FDM Parts Manufactured with Ultem 9085.” <i>27th Annual International Solid Freeform Fabrication Symposium </i>, vol. 27, 2016, pp. 563–568, doi:<a href=\"https://doi.org/10.1007/s11837-016-2197-2\">10.1007/s11837-016-2197-2</a>.","bibtex":"@inproceedings{Fischer_Schöppner_2016, title={Fatigue Behavior of FDM Parts Manufactured with Ultem 9085}, volume={27}, DOI={<a href=\"https://doi.org/10.1007/s11837-016-2197-2\">10.1007/s11837-016-2197-2</a>}, booktitle={27th Annual International Solid Freeform Fabrication Symposium }, author={Fischer, M. and Schöppner, Volker}, year={2016}, pages={563–568} }","ama":"Fischer M, Schöppner V. Fatigue Behavior of FDM Parts Manufactured with Ultem 9085. In: <i>27th Annual International Solid Freeform Fabrication Symposium </i>. Vol 27. ; 2016:563–568. doi:<a href=\"https://doi.org/10.1007/s11837-016-2197-2\">10.1007/s11837-016-2197-2</a>","short":"M. Fischer, V. Schöppner, in: 27th Annual International Solid Freeform Fabrication Symposium , 2016, pp. 563–568.","chicago":"Fischer, M., and Volker Schöppner. “Fatigue Behavior of FDM Parts Manufactured with Ultem 9085.” In <i>27th Annual International Solid Freeform Fabrication Symposium </i>, 27:563–568, 2016. <a href=\"https://doi.org/10.1007/s11837-016-2197-2\">https://doi.org/10.1007/s11837-016-2197-2</a>."},"abstract":[{"text":"The mechanical characterization of fused deposition modeling (FDM) parts is mostly done by static tests. In many applications, parts are also dynamically loaded. Here, fatigue tests can help to identify the expected lifetime of a part. This article discusses the fatigue behavior of FDM specimens manufactured with Ultem 9085. For this, tensile bars are manufactured according to ASTM D638 in different build orientations. Tests are performed in a range of pulsating tensile stresses, and S-N curves are documented for different build orientations. For higher loads, the FDM anisotropy characterizes the lifetime of used specimens, which is similar to static tensile bars. For lower loads, including a higher number of cycles to failure, S-N curves of different build orientations converge. In further tests, tensile bars were chemically smoothed with chloroform vapor. Chemical smoothing reduces surface roughness and increases tensile strength of specimens in the upright build direction. Fatigue tests of chemically treated specimens show no significant lifetime increase.","lang":"eng"}]},{"department":[{"_id":"219"},{"_id":"624"},{"_id":"367"},{"_id":"321"},{"_id":"9"}],"type":"journal_article","date_created":"2021-05-07T13:23:05Z","abstract":[{"text":"Das Fraunhofer-Institut für Werkstoff- und Strahltechnik IWS etablierte in enger Kooperation mit Partnern in den letzten Jahren erfolgreich eine geschlossene Technologiekette zur Umsetzung maßgeschneiderter mikrophysiologischer Systeme. Darauf aufbauend wurde eine universelle Mikrobearbeitungsplattform zum automatisierten Fertigen konzipiert und entwickelt. Dies umfasst neue Technologien für Schlüsselprozesse wie das Herstellen mikrofluidischer Komponenten mittels ARBURG Kunststoff-Freiformen sowie das Erzeugen funktionaler Strukturen und das Einbringen von Produktschutzmerkmalen auf innenliegenden Polymergrenzflächen mittels Direktem Laserinterferenz-Verfahren.","lang":"eng"}],"citation":{"mla":"Moritzer, Elmar, et al. “Universelle Mikrobearbeitungsplaffform Und Basistechnologien Für Das Fertigen Und Markieren Mikrophysiologischer Systeme.” <i>6. Dresdner Medizintechnik-Symposium, Biomedizinische Technik - Interdisziplinär, Integrativ Und Innovativ</i>, vol. 6, 2016, pp. 65–70.","bibtex":"@article{Moritzer_Hirsch_Günther_Teutoburg-Weiss_Lasagni_Klotzbach_Sonntag_2016, title={Universelle Mikrobearbeitungsplaffform und Basistechnologien für das Fertigen und Markieren mikrophysiologischer Systeme}, volume={6}, journal={6. Dresdner Medizintechnik-Symposium, Biomedizinische Technik - interdisziplinär, integrativ und innovativ}, author={Moritzer, Elmar and Hirsch, André and Günther, K. and Teutoburg-Weiss, S. and Lasagni, A.F. and Klotzbach, U. and Sonntag, F.}, year={2016}, pages={65–70} }","ama":"Moritzer E, Hirsch A, Günther K, et al. Universelle Mikrobearbeitungsplaffform und Basistechnologien für das Fertigen und Markieren mikrophysiologischer Systeme. <i>6 Dresdner Medizintechnik-Symposium, Biomedizinische Technik - interdisziplinär, integrativ und innovativ</i>. 2016;6:65-70.","ieee":"E. Moritzer <i>et al.</i>, “Universelle Mikrobearbeitungsplaffform und Basistechnologien für das Fertigen und Markieren mikrophysiologischer Systeme,” <i>6. Dresdner Medizintechnik-Symposium, Biomedizinische Technik - interdisziplinär, integrativ und innovativ</i>, vol. 6, pp. 65–70, 2016.","apa":"Moritzer, E., Hirsch, A., Günther, K., Teutoburg-Weiss, S., Lasagni, A. F., Klotzbach, U., &#38; Sonntag, F. (2016). Universelle Mikrobearbeitungsplaffform und Basistechnologien für das Fertigen und Markieren mikrophysiologischer Systeme. <i>6. Dresdner Medizintechnik-Symposium, Biomedizinische Technik - Interdisziplinär, Integrativ Und Innovativ</i>, <i>6</i>, 65–70.","short":"E. Moritzer, A. Hirsch, K. Günther, S. Teutoburg-Weiss, A.F. Lasagni, U. Klotzbach, F. Sonntag, 6. Dresdner Medizintechnik-Symposium, Biomedizinische Technik - Interdisziplinär, Integrativ Und Innovativ 6 (2016) 65–70.","chicago":"Moritzer, Elmar, André Hirsch, K. Günther, S. Teutoburg-Weiss, A.F. Lasagni, U. Klotzbach, and F. Sonntag. “Universelle Mikrobearbeitungsplaffform Und Basistechnologien Für Das Fertigen Und Markieren Mikrophysiologischer Systeme.” <i>6. Dresdner Medizintechnik-Symposium, Biomedizinische Technik - Interdisziplinär, Integrativ Und Innovativ</i> 6 (2016): 65–70."},"publication":"6. Dresdner Medizintechnik-Symposium, Biomedizinische Technik - interdisziplinär, integrativ und innovativ","volume":6,"user_id":"70729","language":[{"iso":"eng"}],"_id":"22025","page":"65-70","intvolume":"         6","date_updated":"2022-01-06T06:55:22Z","publication_identifier":{"isbn":["978-3-95908-078-1"]},"author":[{"last_name":"Moritzer","first_name":"Elmar","full_name":"Moritzer, Elmar","id":"20531"},{"id":"27599","full_name":"Hirsch, André","last_name":"Hirsch","first_name":"André"},{"last_name":"Günther","first_name":"K.","full_name":"Günther, K."},{"full_name":"Teutoburg-Weiss, S.","first_name":"S.","last_name":"Teutoburg-Weiss"},{"last_name":"Lasagni","first_name":"A.F.","full_name":"Lasagni, A.F."},{"full_name":"Klotzbach, U.","last_name":"Klotzbach","first_name":"U."},{"first_name":"F.","last_name":"Sonntag","full_name":"Sonntag, F."}],"title":"Universelle Mikrobearbeitungsplaffform und Basistechnologien für das Fertigen und Markieren mikrophysiologischer Systeme","year":"2016","status":"public"},{"department":[{"_id":"219"},{"_id":"624"},{"_id":"367"},{"_id":"321"},{"_id":"9"}],"type":"conference","date_created":"2021-05-07T13:23:21Z","abstract":[{"lang":"eng","text":"The material Ultem 9085 is a flame-retardant thermoplastic polymer, which can be processed with Fused Deposition Modeling (FDM). Due to ist high strength-to-weight ratio and FST rating, Ultem 9085 parts are used in aviation. Process related staircase effects on rounded and slanting part areas require a surface treatment for end use parts. These processes include smoothing by mass finishing or coating in order to reduce surface roughness. An alternative smoothing technique is chemical surface treatment, such as the use of Acetone for ABS materials. In this paper, the surface of Ultem 9085 parts is treated with Chloroform vapor in order to solve material at the surface and smooth it. Therefore, specimens built in different build orientations are treated and tested with regard to surface roughness values and mechancial strength properties. The analysis of surface roughness and treatment time shows a significantly higher efficiency for chemical treatment in comparison to mass finishing. By employing chemical treatment, it is possible to reduce surface roughness by more than 80 % to Rz values of approximately 15 µm. Mechanical tests and measurements of the Melt Volume Rate (MVR) show no material destruction for chemical surface treatment at room temperature for less than 150 min."}],"citation":{"bibtex":"@inproceedings{Fischer_Seewald_Schöppner_2016, title={Chemical Surface Treatment of Ultem 9085 Parts}, DOI={<a href=\"https://doi.org/10.3139/9783446450608.010\">10.3139/9783446450608.010</a>}, booktitle={Rapid Tech - International Trade Show &#38; Conference for Additive Manufacturing}, publisher={Carl Hanser Verlag GmbH &#38; Co. KG}, author={Fischer, M. and Seewald, O. and Schöppner, Volker}, year={2016}, pages={121–133} }","short":"M. Fischer, O. Seewald, V. Schöppner, in: Rapid Tech - International Trade Show &#38; Conference for Additive Manufacturing, Carl Hanser Verlag GmbH &#38; Co. KG, 2016, pp. 121–133.","ama":"Fischer M, Seewald O, Schöppner V. Chemical Surface Treatment of Ultem 9085 Parts. In: <i>Rapid Tech - International Trade Show &#38; Conference for Additive Manufacturing</i>. Carl Hanser Verlag GmbH &#38; Co. KG; 2016:121-133. doi:<a href=\"https://doi.org/10.3139/9783446450608.010\">10.3139/9783446450608.010</a>","chicago":"Fischer, M., O. Seewald, and Volker Schöppner. “Chemical Surface Treatment of Ultem 9085 Parts.” In <i>Rapid Tech - International Trade Show &#38; Conference for Additive Manufacturing</i>, 121–33. Carl Hanser Verlag GmbH &#38; Co. KG, 2016. <a href=\"https://doi.org/10.3139/9783446450608.010\">https://doi.org/10.3139/9783446450608.010</a>.","ieee":"M. Fischer, O. Seewald, and V. Schöppner, “Chemical Surface Treatment of Ultem 9085 Parts,” in <i>Rapid Tech - International Trade Show &#38; Conference for Additive Manufacturing</i>, 2016, pp. 121–133, doi: <a href=\"https://doi.org/10.3139/9783446450608.010\">10.3139/9783446450608.010</a>.","mla":"Fischer, M., et al. “Chemical Surface Treatment of Ultem 9085 Parts.” <i>Rapid Tech - International Trade Show &#38; Conference for Additive Manufacturing</i>, Carl Hanser Verlag GmbH &#38; Co. KG, 2016, pp. 121–33, doi:<a href=\"https://doi.org/10.3139/9783446450608.010\">10.3139/9783446450608.010</a>.","apa":"Fischer, M., Seewald, O., &#38; Schöppner, V. (2016). Chemical Surface Treatment of Ultem 9085 Parts. <i>Rapid Tech - International Trade Show &#38; Conference for Additive Manufacturing</i>, 121–133. <a href=\"https://doi.org/10.3139/9783446450608.010\">https://doi.org/10.3139/9783446450608.010</a>"},"publication":"Rapid Tech - International Trade Show & Conference for Additive Manufacturing","user_id":"70729","doi":"10.3139/9783446450608.010","publisher":"Carl Hanser Verlag GmbH & Co. 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Düren: Düren Verlag GmbH, 2016."},"supervisor":[{"first_name":"Thomas","last_name":"Tröster","full_name":"Tröster, Thomas"}],"_id":"24897","publisher":"Düren Verlag GmbH","page":"168","volume":5,"user_id":"90491","status":"public","date_created":"2021-09-23T09:19:37Z","department":[{"_id":"149"},{"_id":"219"},{"_id":"624"},{"_id":"9"},{"_id":"321"}],"keyword":["Additive Fertigung","Laserstrahlschmelzen","Materialermüdung"],"type":"dissertation","related_material":{"link":[{"relation":"confirmation","url":"https://www.shaker.de/de/content/catalogue/index.asp?lang=de&ID=8&ISBN=978-3-8440-4553-6&search=yes"}]},"abstract":[{"lang":"eng","text":"Den additiven Fertigungsverfahren wird ein hohes Potential zugesprochen, die industrielle Fertigung von Bauteilen und Werkzeugen nachhaltig zu ändern. Dies gilt auch für das hier betrachtete Laserstrahlschmelzen, bei dem metallische Werkstoffe in Pulverform verarbeitet werden. Durch den schichtweisen Aufbau können dabei enorme Vorteile gegenüber konventionellen Fertigungsverfahren erzielt werden, was sich u. a. in einem bis dato unerreichten Maß an Geometriefreiheit widerspiegelt.\r\n\r\nAllerdings werden die Werkstoffeigenschaften teils erheblich durch kurze und intensive Wechselwirkungen zwischen Laser und Werkstoff bestimmt. Hierdurch können sich werkstoff-spezifische Nachteile gegenüber konventionellen Fertigungsverfahren ergeben, die eine weitreichende Etablierung des Laserstrahlschmelzens erschweren.\r\n\r\nVor diesem Hintergrund zielt die vorliegende Dissertation auf eine Analyse und ggf. Optimierung der mikrostrukturellen und mechanischen Eigenschaften laserstrahlgeschmolzener Werkstoffe. Der Schwerpunkt liegt hierbei auf einer Ermüdungsbeanspruchung, da Einflüsse prozess-induzierter Defektstrukturen unter dieser Beanspruchungsform besonders deutlich werden. Durch umfangreiche Untersuchungen können dabei Prozessrouten aufgezeigt werden, die für die betrachteten Werkstoffe TiAl6V4 und 316L den detektierten Schädigungsmechanismen Rechnung tragen und somit zu einer technologischen Konkurrenzfähigkeit des Laserstrahlschmelzens führen."}],"series_title":"Forschungsberichte des Direct Manufacturing Research Centers","language":[{"iso":"ger"}],"author":[{"full_name":"Leuders, Stefan","last_name":"Leuders","first_name":"Stefan"}],"publication_identifier":{"isbn":["978-3-8440-4553-6"]},"year":"2016","title":"Einfluss prozess-induzierter Defekte auf die Ermüdungseigenschaften metallischer Werkstoffe verarbeitet mittels Laserstrahlschmelzen","intvolume":"         5","publication_status":"published","date_updated":"2025-03-18T12:45:12Z"},{"language":[{"iso":"ger"}],"series_title":"Forschungsberichte des Direct Manufacturing Research Centers","main_file_link":[{"url":"https://www.shaker.de/de/content/catalogue/index.asp?lang=de&ID=8&ISBN=978-3-8440-3507-0&search=yes"}],"date_updated":"2022-01-06T06:56:33Z","publication_status":"published","author":[{"last_name":"Rüsenberg","first_name":"Stefan","full_name":"Rüsenberg, Stefan"}],"publication_identifier":{"unknown":["978-3-8440-3507-0"]},"title":"Prozessqualifizierung zur verlässlichen Herstellung von Produkten im Polymer Lasersinterverfahren","year":"2015","department":[{"_id":"150"},{"_id":"624"},{"_id":"219"}],"keyword":["Additive Fertigung","Polymere","Lasersintern","Methode","Qualität","Konstruktion","Eigenschaften","Material","Charakterisierung","Qualifizierung"],"type":"dissertation","date_created":"2021-09-21T11:17:14Z","abstract":[{"text":"Das Thema der vorliegenden Dissertation ist die \"Prozessqualifizierung zur verlässlichen Herstellung von Produkten im Polymer Lasersinterverfahren\". Über eine definierte Qualitätsprozesskette werden sämtliche, auf die Produktqualität relevanten Einflussparameter, bestimmt und berücksichtigt. Unterschiedliche Methoden zur Materialcharakterisierung des pulverförmigen Ausgangsmaterials werden analysiert und bewertet. Rheologische sowie chemische Eigenschaften, aber auch die Partikelgrößenverteilung oder die Schüttdichte werden hinsichtlich Relevanz, Einfluss und Anwenderfreundlichkeit untersucht. Das Ziel ist eine sinnvolle Bestimmung des Ausgangszustandes des Pulvers anhand definierter, relevanter Materialeigenschaften, um reproduzierbare technische Bauteileigenschaften zu gewährleisten. Dazu werden mechanische, dynamisch-mechanische, physikalische, elektrische, thermische sowie chemische Untersuchungen durchgeführt und hinsichtlich wichtiger Einflussparameter evaluiert. Die Bestimmung erfolgt über entwickelte Referenzjobs, in denen die hauptsächlichen Einflussfaktoren auf das Polymer-Lasersinterverfahren entlang der Qualitätsprozesskette berücksichtigt werden. Die charakterisierten Daten dienen zur Auslegung eines fiktiven Produktes aus der Luftfahrtindustrie. Mit Hilfe dieser Methoden lassen sich Materialkennwerte für diverse Simulationstools eindeutig bestimmen um eine realitätsnahe Berechnung zu gewährleisten. ","lang":"ger"}],"volume":"Band, 2","user_id":"71545","publisher":"Shaker Verlag GmbH","_id":"24751","page":"242","status":"public","place":"Düren","supervisor":[{"last_name":"Schmid","first_name":"Hans-Joachim","full_name":"Schmid, Hans-Joachim","id":"464"}],"citation":{"mla":"Rüsenberg, Stefan. <i>Prozessqualifizierung zur verlässlichen Herstellung von Produkten im Polymer Lasersinterverfahren</i>. Shaker Verlag GmbH, 2015.","apa":"Rüsenberg, S. (2015). <i>Prozessqualifizierung zur verlässlichen Herstellung von Produkten im Polymer Lasersinterverfahren: Vol. Band, 2</i>. Shaker Verlag GmbH.","ieee":"S. Rüsenberg, <i>Prozessqualifizierung zur verlässlichen Herstellung von Produkten im Polymer Lasersinterverfahren</i>, vol. Band, 2. Düren: Shaker Verlag GmbH, 2015.","short":"S. Rüsenberg, Prozessqualifizierung zur verlässlichen Herstellung von Produkten im Polymer Lasersinterverfahren, Shaker Verlag GmbH, Düren, 2015.","ama":"Rüsenberg S. <i>Prozessqualifizierung zur verlässlichen Herstellung von Produkten im Polymer Lasersinterverfahren</i>. Vol Band, 2. Shaker Verlag GmbH; 2015.","chicago":"Rüsenberg, Stefan. <i>Prozessqualifizierung zur verlässlichen Herstellung von Produkten im Polymer Lasersinterverfahren</i>. Vol. Band, 2. Forschungsberichte des Direct Manufacturing Research Centers. Düren: Shaker Verlag GmbH, 2015.","bibtex":"@book{Rüsenberg_2015, place={Düren}, series={Forschungsberichte des Direct Manufacturing Research Centers}, title={Prozessqualifizierung zur verlässlichen Herstellung von Produkten im Polymer Lasersinterverfahren}, volume={Band, 2}, publisher={Shaker Verlag GmbH}, author={Rüsenberg, Stefan}, year={2015}, collection={Forschungsberichte des Direct Manufacturing Research Centers} }"}},{"page":"63-72","_id":"22108","user_id":"60486","title":"Einsatz additiver Fertigung zur Optimierung des Ermüdungsverhaltens von gekerbten Strukturen","status":"public","year":"2015","author":[{"full_name":"Reschetnik, W.","last_name":"Reschetnik","first_name":"W."},{"full_name":"Riemer, A.","first_name":"A.","last_name":"Riemer"},{"full_name":"Richard, H.A.","first_name":"H.A.","last_name":"Richard"}],"date_updated":"2022-01-06T06:55:26Z","date_created":"2021-05-11T07:47:52Z","type":"conference","department":[{"_id":"143"},{"_id":"219"}],"publication":"DVM - Tagung - Additiv gefertigte Bauteile und Strukturen, Deutscher Verband für Materialforschung und -prüfung e.V.","citation":{"bibtex":"@inproceedings{Reschetnik_Riemer_Richard_2015, title={Einsatz additiver Fertigung zur Optimierung des Ermüdungsverhaltens von gekerbten Strukturen}, booktitle={DVM - Tagung - Additiv gefertigte Bauteile und Strukturen, Deutscher Verband für Materialforschung und -prüfung e.V.}, author={Reschetnik, W. and Riemer, A. and Richard, H.A.}, year={2015}, pages={63–72} }","ama":"Reschetnik W, Riemer A, Richard HA. Einsatz additiver Fertigung zur Optimierung des Ermüdungsverhaltens von gekerbten Strukturen. In: <i>DVM - Tagung - Additiv Gefertigte Bauteile Und Strukturen, Deutscher Verband Für Materialforschung Und -Prüfung e.V.</i> ; 2015:63-72.","mla":"Reschetnik, W., et al. “Einsatz Additiver Fertigung Zur Optimierung Des Ermüdungsverhaltens von Gekerbten Strukturen.” <i>DVM - Tagung - Additiv Gefertigte Bauteile Und Strukturen, Deutscher Verband Für Materialforschung Und -Prüfung e.V.</i>, 2015, pp. 63–72.","short":"W. Reschetnik, A. Riemer, H.A. Richard, in: DVM - Tagung - Additiv Gefertigte Bauteile Und Strukturen, Deutscher Verband Für Materialforschung Und -Prüfung e.V., 2015, pp. 63–72.","chicago":"Reschetnik, W., A. Riemer, and H.A. Richard. “Einsatz Additiver Fertigung Zur Optimierung Des Ermüdungsverhaltens von Gekerbten Strukturen.” In <i>DVM - Tagung - Additiv Gefertigte Bauteile Und Strukturen, Deutscher Verband Für Materialforschung Und -Prüfung e.V.</i>, 63–72, 2015.","ieee":"W. Reschetnik, A. Riemer, and H. A. Richard, “Einsatz additiver Fertigung zur Optimierung des Ermüdungsverhaltens von gekerbten Strukturen,” in <i>DVM - Tagung - Additiv gefertigte Bauteile und Strukturen, Deutscher Verband für Materialforschung und -prüfung e.V.</i>, 2015, pp. 63–72.","apa":"Reschetnik, W., Riemer, A., &#38; Richard, H. A. (2015). Einsatz additiver Fertigung zur Optimierung des Ermüdungsverhaltens von gekerbten Strukturen. In <i>DVM - Tagung - Additiv gefertigte Bauteile und Strukturen, Deutscher Verband für Materialforschung und -prüfung e.V.</i> (pp. 63–72)."}},{"citation":{"ieee":"E. Klemp, “Industrial applications in AM - aerospace and overhaul,” in <i>ASME AM3D Conference and Expo</i>, 2015.","apa":"Klemp, E. (2015). Industrial applications in AM - aerospace and overhaul. In <i>ASME AM3D Conference and Expo</i>.","chicago":"Klemp, E. “Industrial Applications in AM - Aerospace and Overhaul.” In <i>ASME AM3D Conference and Expo</i>, 2015.","short":"E. 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Klemp, in: SLM-Usermeeting, 2015.","chicago":"Klemp, E. “Technology Update 2015 for Metals.” In <i>SLM-Usermeeting</i>, 2015."},"publication":"SLM-Usermeeting","department":[{"_id":"624"},{"_id":"219"}],"type":"conference","date_created":"2021-05-14T07:45:59Z"},{"department":[{"_id":"624"},{"_id":"219"}],"type":"conference","date_created":"2021-05-14T07:46:00Z","citation":{"chicago":"Klemp, E. “AM-Verfahren - Möglichkeiten in Der Industriellen Fertigung.” In <i>VDMA - Symposium Auf Der Hannover Messe Industrie</i>, 2015.","ama":"Klemp E. AM-Verfahren - Möglichkeiten in der industriellen Fertigung. In: <i>VDMA - Symposium Auf Der Hannover Messe Industrie</i>. ; 2015.","short":"E. Klemp, in: VDMA - Symposium Auf Der Hannover Messe Industrie, 2015.","bibtex":"@inproceedings{Klemp_2015, title={AM-Verfahren - Möglichkeiten in der industriellen Fertigung}, booktitle={VDMA - Symposium auf der Hannover Messe Industrie}, author={Klemp, E.}, year={2015} }","mla":"Klemp, E. “AM-Verfahren - Möglichkeiten in Der Industriellen Fertigung.” <i>VDMA - Symposium Auf Der Hannover Messe Industrie</i>, 2015.","apa":"Klemp, E. (2015). AM-Verfahren - Möglichkeiten in der industriellen Fertigung. In <i>VDMA - Symposium auf der Hannover Messe Industrie</i>.","ieee":"E. Klemp, “AM-Verfahren - Möglichkeiten in der industriellen Fertigung,” in <i>VDMA - Symposium auf der Hannover Messe Industrie</i>, 2015."},"publication":"VDMA - Symposium auf der Hannover Messe Industrie","user_id":"71545","_id":"22172","language":[{"iso":"eng"}],"date_updated":"2022-01-06T06:55:28Z","author":[{"first_name":"E.","last_name":"Klemp","full_name":"Klemp, E."}],"title":"AM-Verfahren - Möglichkeiten in der industriellen Fertigung","year":"2015","status":"public"},{"_id":"22178","language":[{"iso":"eng"}],"page":"514-526","volume":26,"doi":"http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-41-Delfs.pdf","user_id":"71545","author":[{"last_name":"Delfs","first_name":"Patrick","full_name":"Delfs, Patrick"},{"full_name":"Li, Z.","last_name":"Li","first_name":"Z."},{"first_name":"Hans-Joachim","last_name":"Schmid","full_name":"Schmid, Hans-Joachim","id":"464"}],"title":"Mass finishing of laser sintered parts","year":"2015","status":"public","intvolume":"        26","date_updated":"2022-01-06T06:55:28Z","date_created":"2021-05-14T07:46:07Z","department":[{"_id":"150"},{"_id":"624"},{"_id":"219"}],"type":"conference","citation":{"bibtex":"@inproceedings{Delfs_Li_Schmid_2015, title={Mass finishing of laser sintered parts}, volume={26}, DOI={<a href=\"http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-41-Delfs.pdf\">http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-41-Delfs.pdf</a>}, booktitle={26th Annual International Solid Freeform Fabrication Symposium}, author={Delfs, Patrick and Li, Z. and Schmid, Hans-Joachim}, year={2015}, pages={514–526} }","ama":"Delfs P, Li Z, Schmid H-J. Mass finishing of laser sintered parts. In: <i>26th Annual International Solid Freeform Fabrication Symposium</i>. Vol 26. ; 2015:514-526. doi:<a href=\"http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-41-Delfs.pdf\">http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-41-Delfs.pdf</a>","mla":"Delfs, Patrick, et al. “Mass Finishing of Laser Sintered Parts.” <i>26th Annual International Solid Freeform Fabrication Symposium</i>, vol. 26, 2015, pp. 514–26, doi:<a href=\"http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-41-Delfs.pdf\">http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-41-Delfs.pdf</a>.","short":"P. Delfs, Z. Li, H.-J. Schmid, in: 26th Annual International Solid Freeform Fabrication Symposium, 2015, pp. 514–526.","chicago":"Delfs, Patrick, Z. Li, and Hans-Joachim Schmid. “Mass Finishing of Laser Sintered Parts.” In <i>26th Annual International Solid Freeform Fabrication Symposium</i>, 26:514–26, 2015. <a href=\"http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-41-Delfs.pdf\">http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-41-Delfs.pdf</a>.","ieee":"P. Delfs, Z. Li, and H.-J. Schmid, “Mass finishing of laser sintered parts,” in <i>26th Annual International Solid Freeform Fabrication Symposium</i>, 2015, vol. 26, pp. 514–526.","apa":"Delfs, P., Li, Z., &#38; Schmid, H.-J. (2015). Mass finishing of laser sintered parts. In <i>26th Annual International Solid Freeform Fabrication Symposium</i> (Vol. 26, pp. 514–526). <a href=\"http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-41-Delfs.pdf\">http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-41-Delfs.pdf</a>"},"publication":"26th Annual International Solid Freeform Fabrication Symposium"},{"volume":26,"doi":"http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-15-Josupeit.pdf","user_id":"71545","language":[{"iso":"eng"}],"_id":"22179","page":"190-199","intvolume":"        26","date_updated":"2022-01-06T06:55:28Z","author":[{"full_name":"Josupeit, Stefan","last_name":"Josupeit","first_name":"Stefan"},{"last_name":"Schmid","first_name":"Hans-Joachim","full_name":"Schmid, Hans-Joachim","id":"464"}],"year":"2015","title":"Temperature History within Laser Sintered Part Cakes and its Influence on Process Quality","status":"public","department":[{"_id":"150"},{"_id":"624"},{"_id":"219"}],"type":"conference","date_created":"2021-05-14T07:46:09Z","abstract":[{"lang":"eng","text":"The temperature distribution and history within laser sintered part cakes is an important aspect regarding the process quality and reproducibility of the polymer laser sintering process. Especially the temperature history during the build and cooling phase is decisive for powder ageing effects and the development of part quality characteristics. In this work, a measurement system for three-dimensional in-process temperature measurements is set up and the influence of different parameters on the inner part cake temperature distribution and history is analyzed. Important factors are not only geometrical build job parameters like the part packing density and build height, but also process parameters like the layer thickness and bulk powder density. Individual in-process temperature profiles at different positions within a part cake are finally correlated with powder ageing effects. The results of this work help to understand the temperature history dependency of powder and part properties and can therefore be used to develop optimized process controls."}],"citation":{"mla":"Josupeit, Stefan, and Hans-Joachim Schmid. “Temperature History within Laser Sintered Part Cakes and Its Influence on Process Quality.” <i>26th Annual International Solid Freeform Fabrication Symposium</i>, vol. 26, 2015, pp. 190–99, doi:<a href=\"http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-15-Josupeit.pdf\">http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-15-Josupeit.pdf</a>.","apa":"Josupeit, S., &#38; Schmid, H.-J. (2015). Temperature History within Laser Sintered Part Cakes and its Influence on Process Quality. In <i>26th Annual International Solid Freeform Fabrication Symposium</i> (Vol. 26, pp. 190–199). <a href=\"http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-15-Josupeit.pdf\">http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-15-Josupeit.pdf</a>","ieee":"S. Josupeit and H.-J. Schmid, “Temperature History within Laser Sintered Part Cakes and its Influence on Process Quality,” in <i>26th Annual International Solid Freeform Fabrication Symposium</i>, 2015, vol. 26, pp. 190–199.","chicago":"Josupeit, Stefan, and Hans-Joachim Schmid. “Temperature History within Laser Sintered Part Cakes and Its Influence on Process Quality.” In <i>26th Annual International Solid Freeform Fabrication Symposium</i>, 26:190–99, 2015. <a href=\"http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-15-Josupeit.pdf\">http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-15-Josupeit.pdf</a>.","ama":"Josupeit S, Schmid H-J. Temperature History within Laser Sintered Part Cakes and its Influence on Process Quality. In: <i>26th Annual International Solid Freeform Fabrication Symposium</i>. Vol 26. ; 2015:190-199. doi:<a href=\"http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-15-Josupeit.pdf\">http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-15-Josupeit.pdf</a>","short":"S. Josupeit, H.-J. Schmid, in: 26th Annual International Solid Freeform Fabrication Symposium, 2015, pp. 190–199.","bibtex":"@inproceedings{Josupeit_Schmid_2015, title={Temperature History within Laser Sintered Part Cakes and its Influence on Process Quality}, volume={26}, DOI={<a href=\"http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-15-Josupeit.pdf\">http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-15-Josupeit.pdf</a>}, booktitle={26th Annual International Solid Freeform Fabrication Symposium}, author={Josupeit, Stefan and Schmid, Hans-Joachim}, year={2015}, pages={190–199} }"},"publication":"26th Annual International Solid Freeform Fabrication Symposium"},{"volume":26,"doi":"http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-43-Josupeit.pdf","user_id":"71545","_id":"22187","language":[{"iso":"eng"}],"page":"540-549","intvolume":"        26","date_updated":"2022-01-06T06:55:28Z","author":[{"full_name":"Josupeit, Stefan","last_name":"Josupeit","first_name":"Stefan"},{"full_name":"Lohn, Johannes","first_name":"Johannes","last_name":"Lohn"},{"full_name":"Hermann, E.","first_name":"E.","last_name":"Hermann"},{"full_name":"Gessler, Monika","first_name":"Monika","last_name":"Gessler"},{"first_name":"S.","last_name":"Tenbrink","full_name":"Tenbrink, S."},{"last_name":"Schmid","first_name":"Hans-Joachim","full_name":"Schmid, Hans-Joachim","id":"464"}],"status":"public","year":"2015","title":"Material Properties of Laser Sintered Polyamide 12 as Function of Build Cycles Using Low Refresh Rates","department":[{"_id":"150"},{"_id":"624"},{"_id":"219"}],"type":"conference","date_created":"2021-05-14T07:46:18Z","abstract":[{"lang":"eng","text":"Due to long process times at high temperatures, unmolten polyamide 12 material ages during the manufacturing process. Hence, it needs to be refreshed with new material for further build cycles. In application, refresh rates of about 50 % are commonly used. In this work, the recycling optimized material PA 2221 from EOS is analyzed along a series of 13 build and refresh cycles using a reduced refresh rate of 32 %. Before and after every build, the powder is analyzed regarding melt properties determined by MVR and DSC measurements. Thereby, in-process ageing effects are investigated and the steady-state conditions are determined accordingly. In addition, powder properties are directly linked to resulting mechanical and geometrical part properties. Key findings are a robust DSC measurement method for polyamide 12 powder, constant “circulated” material properties after three build/refresh cycles and robust tensile properties along the whole tested powder life cycle. As a result, process conditions of PA 2221 using reduced refresh rates can be derived from this work."}],"citation":{"chicago":"Josupeit, Stefan, Johannes Lohn, E. Hermann, Monika Gessler, S. Tenbrink, and Hans-Joachim Schmid. “Material Properties of Laser Sintered Polyamide 12 as Function of Build Cycles Using Low Refresh Rates.” In <i>26th Annual International Solid Freeform Fabrication Symposium</i>, 26:540–49, 2015. <a href=\"http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-43-Josupeit.pdf\">http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-43-Josupeit.pdf</a>.","short":"S. Josupeit, J. Lohn, E. Hermann, M. Gessler, S. Tenbrink, H.-J. Schmid, in: 26th Annual International Solid Freeform Fabrication Symposium, 2015, pp. 540–549.","apa":"Josupeit, S., Lohn, J., Hermann, E., Gessler, M., Tenbrink, S., &#38; Schmid, H.-J. (2015). Material Properties of Laser Sintered Polyamide 12 as Function of Build Cycles Using Low Refresh Rates. In <i>26th Annual International Solid Freeform Fabrication Symposium</i> (Vol. 26, pp. 540–549). <a href=\"http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-43-Josupeit.pdf\">http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-43-Josupeit.pdf</a>","ieee":"S. Josupeit, J. Lohn, E. Hermann, M. Gessler, S. Tenbrink, and H.-J. Schmid, “Material Properties of Laser Sintered Polyamide 12 as Function of Build Cycles Using Low Refresh Rates,” in <i>26th Annual International Solid Freeform Fabrication Symposium</i>, 2015, vol. 26, pp. 540–549.","ama":"Josupeit S, Lohn J, Hermann E, Gessler M, Tenbrink S, Schmid H-J. Material Properties of Laser Sintered Polyamide 12 as Function of Build Cycles Using Low Refresh Rates. In: <i>26th Annual International Solid Freeform Fabrication Symposium</i>. Vol 26. ; 2015:540-549. doi:<a href=\"http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-43-Josupeit.pdf\">http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-43-Josupeit.pdf</a>","bibtex":"@inproceedings{Josupeit_Lohn_Hermann_Gessler_Tenbrink_Schmid_2015, title={Material Properties of Laser Sintered Polyamide 12 as Function of Build Cycles Using Low Refresh Rates}, volume={26}, DOI={<a href=\"http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-43-Josupeit.pdf\">http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-43-Josupeit.pdf</a>}, booktitle={26th Annual International Solid Freeform Fabrication Symposium}, author={Josupeit, Stefan and Lohn, Johannes and Hermann, E. and Gessler, Monika and Tenbrink, S. and Schmid, Hans-Joachim}, year={2015}, pages={540–549} }","mla":"Josupeit, Stefan, et al. “Material Properties of Laser Sintered Polyamide 12 as Function of Build Cycles Using Low Refresh Rates.” <i>26th Annual International Solid Freeform Fabrication Symposium</i>, vol. 26, 2015, pp. 540–49, doi:<a href=\"http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-43-Josupeit.pdf\">http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-43-Josupeit.pdf</a>."},"publication":"26th Annual International Solid Freeform Fabrication Symposium"},{"intvolume":"        26","date_updated":"2022-01-06T06:55:28Z","author":[{"full_name":"Delfs, Patrick","first_name":"Patrick","last_name":"Delfs"},{"last_name":"Toews","first_name":"Marcel","full_name":"Toews, Marcel"},{"id":"464","first_name":"Hans-Joachim","last_name":"Schmid","full_name":"Schmid, Hans-Joachim"}],"year":"2015","title":"Surface roughness optimized alignment of parts for additive manufacturing processes","status":"public","volume":26,"doi":"http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-107-Delfs.pdf","user_id":"71545","language":[{"iso":"eng"}],"_id":"22189","page":"1334-1344","abstract":[{"text":"The layered structure of Additive Manufacturing processes results in a stairstepping effect of the surface topographies. In general the impact of this effect strongly depends on the build angle of a surface, whereas the overall surface roughness is caused by the resolution of the specific AM process. The aim of this work is the prediction of the surface quality in dependence of the building orientation of a part. These results can finally be used to optimize the orientation to get a desired surface quality. As not every area of a part can be optimized, a predetermination of areas can be used to improve the surface quality of important areas. The model uses the digital STL format of a part as this is necessary for all AM machines to build it. Each triangle is assigned with a roughness value and by testing different orientations the best one can be found. This approach needs a database for the surface qualities. This must be done separately for each Additive Manufacturing process and is shown exemplary with a surface topography simulation for the laser sintering process.","lang":"eng"}],"citation":{"apa":"Delfs, P., Toews, M., &#38; Schmid, H.-J. (2015). Surface roughness optimized alignment of parts for additive manufacturing processes. In <i>26th Annual International Solid Freeform Fabrication Symposium</i> (Vol. 26, pp. 1334–1344). <a href=\"http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-107-Delfs.pdf\">http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-107-Delfs.pdf</a>","ieee":"P. Delfs, M. Toews, and H.-J. Schmid, “Surface roughness optimized alignment of parts for additive manufacturing processes,” in <i>26th Annual International Solid Freeform Fabrication Symposium</i>, 2015, vol. 26, pp. 1334–1344.","chicago":"Delfs, Patrick, Marcel Toews, and Hans-Joachim Schmid. “Surface Roughness Optimized Alignment of Parts for Additive Manufacturing Processes.” In <i>26th Annual International Solid Freeform Fabrication Symposium</i>, 26:1334–44, 2015. <a href=\"http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-107-Delfs.pdf\">http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-107-Delfs.pdf</a>.","short":"P. Delfs, M. Toews, H.-J. Schmid, in: 26th Annual International Solid Freeform Fabrication Symposium, 2015, pp. 1334–1344.","mla":"Delfs, Patrick, et al. “Surface Roughness Optimized Alignment of Parts for Additive Manufacturing Processes.” <i>26th Annual International Solid Freeform Fabrication Symposium</i>, vol. 26, 2015, pp. 1334–44, doi:<a href=\"http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-107-Delfs.pdf\">http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-107-Delfs.pdf</a>.","ama":"Delfs P, Toews M, Schmid H-J. Surface roughness optimized alignment of parts for additive manufacturing processes. In: <i>26th Annual International Solid Freeform Fabrication Symposium</i>. Vol 26. ; 2015:1334-1344. doi:<a href=\"http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-107-Delfs.pdf\">http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-107-Delfs.pdf</a>","bibtex":"@inproceedings{Delfs_Toews_Schmid_2015, title={Surface roughness optimized alignment of parts for additive manufacturing processes}, volume={26}, DOI={<a href=\"http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-107-Delfs.pdf\">http://utw10945.utweb.utexas.edu/sites/default/files/2015/2015-107-Delfs.pdf</a>}, booktitle={26th Annual International Solid Freeform Fabrication Symposium}, author={Delfs, Patrick and Toews, Marcel and Schmid, Hans-Joachim}, year={2015}, pages={1334–1344} }"},"publication":"26th Annual International Solid Freeform Fabrication Symposium","department":[{"_id":"150"},{"_id":"624"},{"_id":"219"}],"type":"conference","date_created":"2021-05-14T07:46:20Z"}]