[{"status":"public","type":"journal_article","publication":"Nonlinear Analysis: Real World Applications","language":[{"iso":"eng"}],"user_id":"11829","department":[{"_id":"49"},{"_id":"90"}],"project":[{"name":"FOR 5208: Modellbasierte Bestimmung nichtlinearer Eigenschaften von Piezokeramiken für Leistungsschallanwendungen (NEPTUN)","_id":"245"}],"_id":"63435","citation":{"ieee":"L. Claes and M. Winkler, “Describing smooth small-data solutions to a quasilinear hyperbolic-parabolic system by W 1,P energy analysis,” <i>Nonlinear Analysis: Real World Applications</i>, vol. 91, p. 104580, 2026, doi: <a href=\"https://doi.org/10.1016/j.nonrwa.2025.104580\">10.1016/j.nonrwa.2025.104580</a>.","chicago":"Claes, Leander, and Michael Winkler. “Describing Smooth Small-Data Solutions to a Quasilinear Hyperbolic-Parabolic System by W 1,P Energy Analysis.” <i>Nonlinear Analysis: Real World Applications</i> 91 (2026): 104580. <a href=\"https://doi.org/10.1016/j.nonrwa.2025.104580\">https://doi.org/10.1016/j.nonrwa.2025.104580</a>.","ama":"Claes L, Winkler M. Describing smooth small-data solutions to a quasilinear hyperbolic-parabolic system by W 1,P energy analysis. <i>Nonlinear Analysis: Real World Applications</i>. 2026;91:104580. doi:<a href=\"https://doi.org/10.1016/j.nonrwa.2025.104580\">10.1016/j.nonrwa.2025.104580</a>","apa":"Claes, L., &#38; Winkler, M. (2026). Describing smooth small-data solutions to a quasilinear hyperbolic-parabolic system by W 1,P energy analysis. <i>Nonlinear Analysis: Real World Applications</i>, <i>91</i>, 104580. <a href=\"https://doi.org/10.1016/j.nonrwa.2025.104580\">https://doi.org/10.1016/j.nonrwa.2025.104580</a>","bibtex":"@article{Claes_Winkler_2026, title={Describing smooth small-data solutions to a quasilinear hyperbolic-parabolic system by W 1,P energy analysis}, volume={91}, DOI={<a href=\"https://doi.org/10.1016/j.nonrwa.2025.104580\">10.1016/j.nonrwa.2025.104580</a>}, journal={Nonlinear Analysis: Real World Applications}, publisher={Elsevier BV}, author={Claes, Leander and Winkler, Michael}, year={2026}, pages={104580} }","short":"L. Claes, M. Winkler, Nonlinear Analysis: Real World Applications 91 (2026) 104580.","mla":"Claes, Leander, and Michael Winkler. “Describing Smooth Small-Data Solutions to a Quasilinear Hyperbolic-Parabolic System by W 1,P Energy Analysis.” <i>Nonlinear Analysis: Real World Applications</i>, vol. 91, Elsevier BV, 2026, p. 104580, doi:<a href=\"https://doi.org/10.1016/j.nonrwa.2025.104580\">10.1016/j.nonrwa.2025.104580</a>."},"intvolume":"        91","page":"104580","year":"2026","publication_identifier":{"issn":["1468-1218"]},"doi":"10.1016/j.nonrwa.2025.104580","title":"Describing smooth small-data solutions to a quasilinear hyperbolic-parabolic system by W 1,P energy analysis","date_created":"2026-01-05T07:32:00Z","author":[{"full_name":"Claes, Leander","id":"11829","last_name":"Claes","orcid":"0000-0002-4393-268X","first_name":"Leander"},{"first_name":"Michael","last_name":"Winkler","id":"31496","full_name":"Winkler, Michael"}],"volume":91,"publisher":"Elsevier BV","date_updated":"2026-01-05T07:40:49Z"},{"publication_status":"published","publication_identifier":{"issn":["0930-777X","2195-8602"]},"quality_controlled":"1","citation":{"short":"E. Moritzer, P. Brandes, M. Wittler, L. Claes, M. Wippermann, M. Haag, T. Gries, B. Henning, International Polymer Processing (2026).","bibtex":"@article{Moritzer_Brandes_Wittler_Claes_Wippermann_Haag_Gries_Henning_2026, title={Fiber-matrix adhesion in glass fiber reinforced thermoplastic composite laminates and its effect on mechanical properties}, DOI={<a href=\"https://doi.org/10.1515/ipp-2025-0077\">10.1515/ipp-2025-0077</a>}, journal={International Polymer Processing}, publisher={Walter de Gruyter GmbH}, author={Moritzer, Elmar and Brandes, Philipp and Wittler, Maurice and Claes, Leander and Wippermann, Mareen and Haag, Markus and Gries, Thomas and Henning, Bernd}, year={2026} }","mla":"Moritzer, Elmar, et al. “Fiber-Matrix Adhesion in Glass Fiber Reinforced Thermoplastic Composite Laminates and Its Effect on Mechanical Properties.” <i>International Polymer Processing</i>, Walter de Gruyter GmbH, 2026, doi:<a href=\"https://doi.org/10.1515/ipp-2025-0077\">10.1515/ipp-2025-0077</a>.","apa":"Moritzer, E., Brandes, P., Wittler, M., Claes, L., Wippermann, M., Haag, M., Gries, T., &#38; Henning, B. (2026). Fiber-matrix adhesion in glass fiber reinforced thermoplastic composite laminates and its effect on mechanical properties. <i>International Polymer Processing</i>. <a href=\"https://doi.org/10.1515/ipp-2025-0077\">https://doi.org/10.1515/ipp-2025-0077</a>","chicago":"Moritzer, Elmar, Philipp Brandes, Maurice Wittler, Leander Claes, Mareen Wippermann, Markus Haag, Thomas Gries, and Bernd Henning. “Fiber-Matrix Adhesion in Glass Fiber Reinforced Thermoplastic Composite Laminates and Its Effect on Mechanical Properties.” <i>International Polymer Processing</i>, 2026. <a href=\"https://doi.org/10.1515/ipp-2025-0077\">https://doi.org/10.1515/ipp-2025-0077</a>.","ieee":"E. Moritzer <i>et al.</i>, “Fiber-matrix adhesion in glass fiber reinforced thermoplastic composite laminates and its effect on mechanical properties,” <i>International Polymer Processing</i>, 2026, doi: <a href=\"https://doi.org/10.1515/ipp-2025-0077\">10.1515/ipp-2025-0077</a>.","ama":"Moritzer E, Brandes P, Wittler M, et al. Fiber-matrix adhesion in glass fiber reinforced thermoplastic composite laminates and its effect on mechanical properties. <i>International Polymer Processing</i>. Published online 2026. doi:<a href=\"https://doi.org/10.1515/ipp-2025-0077\">10.1515/ipp-2025-0077</a>"},"year":"2026","date_created":"2026-03-30T14:14:33Z","author":[{"id":"20531","full_name":"Moritzer, Elmar","last_name":"Moritzer","first_name":"Elmar"},{"id":"70091","full_name":"Brandes, Philipp","last_name":"Brandes","orcid":"0009-0005-9707-0885","first_name":"Philipp"},{"first_name":"Maurice","last_name":"Wittler","full_name":"Wittler, Maurice","id":"76071"},{"first_name":"Leander","full_name":"Claes, Leander","id":"11829","orcid":"0000-0002-4393-268X","last_name":"Claes"},{"first_name":"Mareen","last_name":"Wippermann","id":"74624","full_name":"Wippermann, Mareen"},{"first_name":"Markus","full_name":"Haag, Markus","last_name":"Haag"},{"first_name":"Thomas","full_name":"Gries, Thomas","last_name":"Gries"},{"first_name":"Bernd","full_name":"Henning, Bernd","id":"213","last_name":"Henning"}],"date_updated":"2026-03-30T14:15:31Z","publisher":"Walter de Gruyter GmbH","doi":"10.1515/ipp-2025-0077","title":"Fiber-matrix adhesion in glass fiber reinforced thermoplastic composite laminates and its effect on mechanical properties","type":"journal_article","publication":"International Polymer Processing","status":"public","abstract":[{"lang":"eng","text":"<jats:title>Abstract</jats:title>\r\n                  <jats:p>With the growing demand for lightweight solutions to reduce emissions, especially in the transportation, automotive and aerospace sectors, recyclable, continuous fiber-reinforced plastic composite laminates with a thermoplastic matrix are of rising interest. To achieve their maximum mechanical properties, the fiber-matrix adhesion (FMA) is critical. In this work, continuous fiber-reinforced thermoplastic laminates (CFRTPL) with a polypropylene (PP) matrix and twill woven glass fiber fabrics are produced by film stacking. The films used contain different amounts of maleic-anhydride-grafted PP (MA-g-PP) as a coupling agent to produce CFRTPL of different mechanical strengths. To analyze the FMA, the CFRTPL are subjected to Charpy-impact and tensile tests. Additionally, single fiber pull-out tests (SFPT) are conducted to further investigate the effect of MA-g-PP on the FMA. The results of the SFPT show an improvement in apparent interfacial shear strength (AIFSS) when the MA-g-PP content is increased, which can be attributed to an increase in FMA. However, the research shows that MA-g-PP has a low impact on the mechanical properties if the force is applied parallel to the warp and weft threads during tensile testing and the results of the Charpy-impact testing suffer from embrittlement of the matrix material. Subsequently, the results of this study are compared to three-point flexural tests conducted in a previous study. It can be concluded that tensile and impact tests are not suited to investigate FMA on a macroscopic scale, while SFPT and flexural tests provide a better alternative.</jats:p>"}],"user_id":"59363","department":[{"_id":"9"},{"_id":"321"},{"_id":"367"},{"_id":"34"},{"_id":"49"}],"_id":"65242","language":[{"iso":"eng"}]},{"title":"Determination of the unit cell geometry in fibre-reinforced polymer sheets using guided acoustic waves","doi":"10.71568/DASDAGA2025.116","conference":{"start_date":"2025-03-17","name":"DAS | DAGA 2025 - 51st Annual Meeting on Acoustics","location":"Copenhagen","end_date":"2025-03-20"},"main_file_link":[{"open_access":"1"}],"oa":"1","date_updated":"2025-04-25T08:58:02Z","author":[{"first_name":"Mareen","id":"74624","full_name":"Wippermann, Mareen","last_name":"Wippermann"},{"first_name":"Leander","last_name":"Claes","orcid":"0000-0002-4393-268X","full_name":"Claes, Leander","id":"11829"},{"first_name":"Philipp","full_name":"Brandes, Philipp","id":"70091","last_name":"Brandes"},{"last_name":"Moritzer","full_name":"Moritzer, Elmar","id":"20531","first_name":"Elmar"},{"full_name":"Henning, Bernd","id":"213","last_name":"Henning","first_name":"Bernd"}],"date_created":"2025-04-25T06:46:31Z","year":"2025","citation":{"mla":"Wippermann, Mareen, et al. <i>Determination of the Unit Cell Geometry in Fibre-Reinforced Polymer Sheets Using Guided Acoustic Waves</i>. 2025, doi:<a href=\"https://doi.org/10.71568/DASDAGA2025.116\">10.71568/DASDAGA2025.116</a>.","short":"M. Wippermann, L. Claes, P. Brandes, E. Moritzer, B. Henning, in: 2025.","bibtex":"@inproceedings{Wippermann_Claes_Brandes_Moritzer_Henning_2025, title={Determination of the unit cell geometry in fibre-reinforced polymer sheets using guided acoustic waves}, DOI={<a href=\"https://doi.org/10.71568/DASDAGA2025.116\">10.71568/DASDAGA2025.116</a>}, author={Wippermann, Mareen and Claes, Leander and Brandes, Philipp and Moritzer, Elmar and Henning, Bernd}, year={2025} }","apa":"Wippermann, M., Claes, L., Brandes, P., Moritzer, E., &#38; Henning, B. (2025). <i>Determination of the unit cell geometry in fibre-reinforced polymer sheets using guided acoustic waves</i>. DAS | DAGA 2025 - 51st Annual Meeting on Acoustics, Copenhagen. <a href=\"https://doi.org/10.71568/DASDAGA2025.116\">https://doi.org/10.71568/DASDAGA2025.116</a>","chicago":"Wippermann, Mareen, Leander Claes, Philipp Brandes, Elmar Moritzer, and Bernd Henning. “Determination of the Unit Cell Geometry in Fibre-Reinforced Polymer Sheets Using Guided Acoustic Waves,” 2025. <a href=\"https://doi.org/10.71568/DASDAGA2025.116\">https://doi.org/10.71568/DASDAGA2025.116</a>.","ieee":"M. Wippermann, L. Claes, P. Brandes, E. Moritzer, and B. Henning, “Determination of the unit cell geometry in fibre-reinforced polymer sheets using guided acoustic waves,” presented at the DAS | DAGA 2025 - 51st Annual Meeting on Acoustics, Copenhagen, 2025, doi: <a href=\"https://doi.org/10.71568/DASDAGA2025.116\">10.71568/DASDAGA2025.116</a>.","ama":"Wippermann M, Claes L, Brandes P, Moritzer E, Henning B. Determination of the unit cell geometry in fibre-reinforced polymer sheets using guided acoustic waves. In: ; 2025. doi:<a href=\"https://doi.org/10.71568/DASDAGA2025.116\">10.71568/DASDAGA2025.116</a>"},"language":[{"iso":"eng"}],"_id":"59683","project":[{"_id":"157","name":"FaMOUS: Ein ultraschallbasiertes Messverfahren unter Berücksichtigung viskoelastischer Eigenschaften zur Charakterisierung der Faser-Matrix-Haftung bei Organoblechen sowie deren realitätsnahe Modellierung","grant_number":"495847374"}],"department":[{"_id":"49"},{"_id":"147"}],"user_id":"11829","abstract":[{"text":"Woven fibre-reinforced polymers are used in a variety of application, especially where a low mass to stiffness ratio is required. Of paramount importance for the tailored mechanical properties these composite materials exhibit is the type and geometry of the fibre weave. Especially continuous fibre-reinforced thermoplastic composites are fabricated as laminates and subsequently exposed to forming processes which alter the geometry of the fibres unit cell and thus the local mechanical properties of the material. An approach utilising broadband ultrasonic waves is proposed to non-destructively determine the geometry of the unit cell of the weave.\r\n\r\nThe dispersive behaviour of woven fibre-reinforced sheets is described in accordance with the Flouquet-Bloch theorem as a phononic crystal. In order to develop a model for a description of these periodically structured waveguides, the smallest repeating unit of the wave is modelled with periodic boundary conditions. The resulting dispersion diagram exhibits similarities to that of a homogeneous plate, but additionally displays a periodicity in the wavenumber regime, which correspond with the size of the unit cell. Experimental studies of the dispersive behaviour of acoustic waves in woven fibre-reinforced samples also show a periodicity in the wavenumber regime, enabling a measurement procedure of the unit cell geometry.","lang":"eng"}],"status":"public","type":"conference"},{"type":"conference","status":"public","user_id":"11829","department":[{"_id":"49"},{"_id":"147"}],"project":[{"name":"FaMOUS: Ein ultraschallbasiertes Messverfahren unter Berücksichtigung viskoelastischer Eigenschaften zur Charakterisierung der Faser-Matrix-Haftung bei Organoblechen sowie deren realitätsnahe Modellierung","_id":"157","grant_number":"495847374"}],"_id":"59688","language":[{"iso":"eng"}],"citation":{"short":"L. Claes, H. Zeipert, P. Brandes, E. Moritzer, B. Henning, in: 2025.","bibtex":"@inproceedings{Claes_Zeipert_Brandes_Moritzer_Henning_2025, title={Assessment of Fibre-Matrix Adhesion in Reinforced Polymers by Modal Damping of Guided Acoustic Waves}, DOI={<a href=\"https://doi.org/10.71568/DASDAGA2025.052\">10.71568/DASDAGA2025.052</a>}, author={Claes, Leander and Zeipert, Henning and Brandes, Philipp and Moritzer, Elmar and Henning, Bernd}, year={2025} }","mla":"Claes, Leander, et al. <i>Assessment of Fibre-Matrix Adhesion in Reinforced Polymers by Modal Damping of Guided Acoustic Waves</i>. 2025, doi:<a href=\"https://doi.org/10.71568/DASDAGA2025.052\">10.71568/DASDAGA2025.052</a>.","apa":"Claes, L., Zeipert, H., Brandes, P., Moritzer, E., &#38; Henning, B. (2025). <i>Assessment of Fibre-Matrix Adhesion in Reinforced Polymers by Modal Damping of Guided Acoustic Waves</i>. DAS | DAGA 2025 - 51st Annual Meeting on Acoustics, Copenhagen. <a href=\"https://doi.org/10.71568/DASDAGA2025.052\">https://doi.org/10.71568/DASDAGA2025.052</a>","chicago":"Claes, Leander, Henning Zeipert, Philipp Brandes, Elmar Moritzer, and Bernd Henning. “Assessment of Fibre-Matrix Adhesion in Reinforced Polymers by Modal Damping of Guided Acoustic Waves,” 2025. <a href=\"https://doi.org/10.71568/DASDAGA2025.052\">https://doi.org/10.71568/DASDAGA2025.052</a>.","ieee":"L. Claes, H. Zeipert, P. Brandes, E. Moritzer, and B. Henning, “Assessment of Fibre-Matrix Adhesion in Reinforced Polymers by Modal Damping of Guided Acoustic Waves,” presented at the DAS | DAGA 2025 - 51st Annual Meeting on Acoustics, Copenhagen, 2025, doi: <a href=\"https://doi.org/10.71568/DASDAGA2025.052\">10.71568/DASDAGA2025.052</a>.","ama":"Claes L, Zeipert H, Brandes P, Moritzer E, Henning B. Assessment of Fibre-Matrix Adhesion in Reinforced Polymers by Modal Damping of Guided Acoustic Waves. In: ; 2025. doi:<a href=\"https://doi.org/10.71568/DASDAGA2025.052\">10.71568/DASDAGA2025.052</a>"},"year":"2025","author":[{"first_name":"Leander","full_name":"Claes, Leander","id":"11829","last_name":"Claes","orcid":"0000-0002-4393-268X"},{"full_name":"Zeipert, Henning","id":"32580","last_name":"Zeipert","first_name":"Henning"},{"full_name":"Brandes, Philipp","id":"70091","last_name":"Brandes","first_name":"Philipp"},{"first_name":"Elmar","full_name":"Moritzer, Elmar","id":"20531","last_name":"Moritzer"},{"first_name":"Bernd","full_name":"Henning, Bernd","id":"213","last_name":"Henning"}],"date_created":"2025-04-25T08:48:10Z","oa":"1","date_updated":"2025-04-25T08:50:11Z","main_file_link":[{"open_access":"1"}],"doi":"10.71568/DASDAGA2025.052","conference":{"location":"Copenhagen","end_date":"2025-03-20","start_date":"2025-03-17","name":"DAS | DAGA 2025 - 51st Annual Meeting on Acoustics"},"title":"Assessment of Fibre-Matrix Adhesion in Reinforced Polymers by Modal Damping of Guided Acoustic Waves"},{"publication_identifier":{"issn":["0957-0233","1361-6501"]},"publication_status":"published","intvolume":"        36","citation":{"short":"D. Dreiling, D. Itner, H. Gravenkamp, L. Claes, C. Birk, B. Henning, Measurement Science and Technology 36 (2025).","bibtex":"@article{Dreiling_Itner_Gravenkamp_Claes_Birk_Henning_2025, title={Increasing the sensitivity of ultrasonic transmission measurements for elastic material parameter estimation}, volume={36}, DOI={<a href=\"https://doi.org/10.1088/1361-6501/add9b6\">10.1088/1361-6501/add9b6</a>}, number={6}, journal={Measurement Science and Technology}, publisher={IOP Publishing}, author={Dreiling, Dmitrij and Itner, Dominik and Gravenkamp, Hauke and Claes, Leander and Birk, Carolin and Henning, Bernd}, year={2025} }","mla":"Dreiling, Dmitrij, et al. “Increasing the Sensitivity of Ultrasonic Transmission Measurements for Elastic Material Parameter Estimation.” <i>Measurement Science and Technology</i>, vol. 36, 6, IOP Publishing, 2025, doi:<a href=\"https://doi.org/10.1088/1361-6501/add9b6\">10.1088/1361-6501/add9b6</a>.","apa":"Dreiling, D., Itner, D., Gravenkamp, H., Claes, L., Birk, C., &#38; Henning, B. (2025). Increasing the sensitivity of ultrasonic transmission measurements for elastic material parameter estimation. <i>Measurement Science and Technology</i>, <i>36</i>, Article 6. <a href=\"https://doi.org/10.1088/1361-6501/add9b6\">https://doi.org/10.1088/1361-6501/add9b6</a>","ieee":"D. Dreiling, D. Itner, H. Gravenkamp, L. Claes, C. Birk, and B. Henning, “Increasing the sensitivity of ultrasonic transmission measurements for elastic material parameter estimation,” <i>Measurement Science and Technology</i>, vol. 36, Art. no. 6, 2025, doi: <a href=\"https://doi.org/10.1088/1361-6501/add9b6\">10.1088/1361-6501/add9b6</a>.","chicago":"Dreiling, Dmitrij, Dominik Itner, Hauke Gravenkamp, Leander Claes, Carolin Birk, and Bernd Henning. “Increasing the Sensitivity of Ultrasonic Transmission Measurements for Elastic Material Parameter Estimation.” <i>Measurement Science and Technology</i> 36 (2025). <a href=\"https://doi.org/10.1088/1361-6501/add9b6\">https://doi.org/10.1088/1361-6501/add9b6</a>.","ama":"Dreiling D, Itner D, Gravenkamp H, Claes L, Birk C, Henning B. Increasing the sensitivity of ultrasonic transmission measurements for elastic material parameter estimation. <i>Measurement Science and Technology</i>. 2025;36. doi:<a href=\"https://doi.org/10.1088/1361-6501/add9b6\">10.1088/1361-6501/add9b6</a>"},"volume":36,"author":[{"last_name":"Dreiling","full_name":"Dreiling, Dmitrij","id":"32616","first_name":"Dmitrij"},{"first_name":"Dominik","full_name":"Itner, Dominik","last_name":"Itner"},{"first_name":"Hauke","full_name":"Gravenkamp, Hauke","last_name":"Gravenkamp"},{"first_name":"Leander","last_name":"Claes","orcid":"0000-0002-4393-268X","id":"11829","full_name":"Claes, Leander"},{"first_name":"Carolin","last_name":"Birk","full_name":"Birk, Carolin"},{"first_name":"Bernd","last_name":"Henning","id":"213","full_name":"Henning, Bernd"}],"date_updated":"2025-05-27T15:03:38Z","oa":"1","doi":"10.1088/1361-6501/add9b6","main_file_link":[{"open_access":"1","url":"https://iopscience.iop.org/article/10.1088/1361-6501/add9b6"}],"type":"journal_article","status":"public","department":[{"_id":"49"}],"user_id":"32616","_id":"59995","project":[{"name":"VaMP: Vollständige Bestimmung der akustischen Materialparameter von Polymeren","_id":"89","grant_number":"409779252"}],"funded_apc":"1","article_number":"6","article_type":"original","quality_controlled":"1","year":"2025","date_created":"2025-05-19T13:30:39Z","publisher":"IOP Publishing","title":"Increasing the sensitivity of ultrasonic transmission measurements for elastic material parameter estimation","publication":"Measurement Science and Technology","abstract":[{"lang":"eng","text":"<jats:title>Abstract</jats:title>\r\n               <jats:p>Ultrasonic transmission measurements can be used for material characterization, as the propagation time of sound waves and thus their velocity depends on the elastic material parameters. Measurement results for the elastic material parameters are acquired non-destructively using ultrasonic transmission measurements of hollow cylindrical polymer specimens. To determine the material parameters, an inverse approach is used comparing measurements with simulated data. Previous studies show that the procedure exhibits low sensitivity with respect to the shear parameters of the material. In order to increase the sensitivity, we propose to apply a spatially annular excitation on the base of the specimen. As a measure to analyse the sensitivities with respect to all parameters and their linear independence, we observe the volume of the parallelotope of the sensitivity vectors. Here, a scaled boundary finite element formulation of wave propagation in the specimen is expanded to yield derivative information directly, and a sensitivity analysis can be carried out efficiently. Finally, the results of this sensitivity analysis with regard to the annular excitation are also applied to the measurement setup.</jats:p>"}],"language":[{"iso":"eng"}],"keyword":["Sensitivity analysis","Ultrasonic transducer","Guided waves","Polymers","Gram determinant"]},{"date_updated":"2026-01-13T13:00:31Z","publisher":"AMA Service GmbH","author":[{"first_name":"Leander","full_name":"Claes, Leander","id":"11829","last_name":"Claes","orcid":"0000-0002-4393-268X"},{"first_name":"Jonas","last_name":"Hölscher","id":"73952","full_name":"Hölscher, Jonas"},{"first_name":"Olga","last_name":"Friesen","id":"44026","full_name":"Friesen, Olga"},{"first_name":"Claus","id":"38259","full_name":"Scheidemann, Claus","last_name":"Scheidemann"},{"first_name":"Tobias","last_name":"Hemsel","full_name":"Hemsel, Tobias","id":"210"},{"first_name":"Bernd","full_name":"Henning, Bernd","id":"213","last_name":"Henning"}],"date_created":"2025-11-25T12:23:06Z","title":"Estimation of third order elastic constants of piezoceramics using DC biased impedance measurements","doi":"10.5162/ultrasonic2025/a18-a6","place":"Paderborn","year":"2025","citation":{"ama":"Claes L, Hölscher J, Friesen O, Scheidemann C, Hemsel T, Henning B. Estimation of third order elastic constants of piezoceramics using DC biased impedance measurements. In: <i>2025 International Congress on Ultrasonics</i>. AMA Service GmbH; 2025:142–145. doi:<a href=\"https://doi.org/10.5162/ultrasonic2025/a18-a6\">10.5162/ultrasonic2025/a18-a6</a>","ieee":"L. Claes, J. Hölscher, O. Friesen, C. Scheidemann, T. Hemsel, and B. Henning, “Estimation of third order elastic constants of piezoceramics using DC biased impedance measurements,” in <i>2025 International Congress on Ultrasonics</i>, 2025, pp. 142–145, doi: <a href=\"https://doi.org/10.5162/ultrasonic2025/a18-a6\">10.5162/ultrasonic2025/a18-a6</a>.","chicago":"Claes, Leander, Jonas Hölscher, Olga Friesen, Claus Scheidemann, Tobias Hemsel, and Bernd Henning. “Estimation of Third Order Elastic Constants of Piezoceramics Using DC Biased Impedance Measurements.” In <i>2025 International Congress on Ultrasonics</i>, 142–145. Paderborn: AMA Service GmbH, 2025. <a href=\"https://doi.org/10.5162/ultrasonic2025/a18-a6\">https://doi.org/10.5162/ultrasonic2025/a18-a6</a>.","apa":"Claes, L., Hölscher, J., Friesen, O., Scheidemann, C., Hemsel, T., &#38; Henning, B. (2025). Estimation of third order elastic constants of piezoceramics using DC biased impedance measurements. <i>2025 International Congress on Ultrasonics</i>, 142–145. <a href=\"https://doi.org/10.5162/ultrasonic2025/a18-a6\">https://doi.org/10.5162/ultrasonic2025/a18-a6</a>","bibtex":"@inproceedings{Claes_Hölscher_Friesen_Scheidemann_Hemsel_Henning_2025, place={Paderborn}, title={Estimation of third order elastic constants of piezoceramics using DC biased impedance measurements}, DOI={<a href=\"https://doi.org/10.5162/ultrasonic2025/a18-a6\">10.5162/ultrasonic2025/a18-a6</a>}, booktitle={2025 International Congress on Ultrasonics}, publisher={AMA Service GmbH}, author={Claes, Leander and Hölscher, Jonas and Friesen, Olga and Scheidemann, Claus and Hemsel, Tobias and Henning, Bernd}, year={2025}, pages={142–145} }","mla":"Claes, Leander, et al. “Estimation of Third Order Elastic Constants of Piezoceramics Using DC Biased Impedance Measurements.” <i>2025 International Congress on Ultrasonics</i>, AMA Service GmbH, 2025, pp. 142–145, doi:<a href=\"https://doi.org/10.5162/ultrasonic2025/a18-a6\">10.5162/ultrasonic2025/a18-a6</a>.","short":"L. 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Wissensforum GmbH (Ed.), <i>PIAE EUROPE 2025</i> (pp. 347–360). {VDI Verlag}. <a href=\"https://doi.org/10.51202/9783181024461-347\">https://doi.org/10.51202/9783181024461-347</a>","chicago":"Moritzer, Elmar, Philipp Brandes, Leander Claes, and Bernd Henning. “Ultrasound Based Measurement of Mechanical Properties of Continuous Fiber Reinforced Thermoplastic Laminates // Ultrasound Based Measurement of Mechanical Properties of Continuous Fiber Reinforced Thermoplastic Laminates – A Non-Destructive Method to Identify Changes in Fiber Matrix Adhesion: A Non-Destructive Method to Identify Changes in Fiber Matrix Adhesion.” In <i>PIAE EUROPE 2025</i>, edited by VDI Wissensforum GmbH, 347–360. VDI-Berichte. Düsseldorf: {VDI Verlag}, 2025. <a href=\"https://doi.org/10.51202/9783181024461-347\">https://doi.org/10.51202/9783181024461-347</a>.","ieee":"E. Moritzer, P. Brandes, L. Claes, and B. Henning, “Ultrasound based measurement of mechanical properties of continuous fiber reinforced thermoplastic laminates // Ultrasound based measurement of mechanical properties of continuous fiber reinforced thermoplastic laminates – A non-destructive method to identify changes in fiber matrix adhesion: A non-destructive method to identify changes in fiber matrix adhesion,” in <i>PIAE EUROPE 2025</i>, V. Wissensforum GmbH, Ed. Düsseldorf: {VDI Verlag}, 2025, pp. 347–360.","ama":"Moritzer E, Brandes P, Claes L, Henning B. Ultrasound based measurement of mechanical properties of continuous fiber reinforced thermoplastic laminates // Ultrasound based measurement of mechanical properties of continuous fiber reinforced thermoplastic laminates – A non-destructive method to identify changes in fiber matrix adhesion: A non-destructive method to identify changes in fiber matrix adhesion. In: Wissensforum GmbH V, ed. <i>PIAE EUROPE 2025</i>. VDI-Berichte. {VDI Verlag}; 2025:347–360. doi:<a href=\"https://doi.org/10.51202/9783181024461-347\">10.51202/9783181024461-347</a>"},"page":"347–360","_id":"63439","series_title":"VDI-Berichte","user_id":"59363","language":[{"iso":"eng"}],"type":"book_chapter","publication":"PIAE EUROPE 2025","editor":[{"last_name":"Wissensforum GmbH","full_name":"Wissensforum GmbH, VDI","first_name":"VDI"}],"status":"public"},{"department":[{"_id":"49"},{"_id":"149"},{"_id":"321"}],"user_id":"338","_id":"62302","language":[{"iso":"eng"}],"keyword":["fibre-reinforced polymers","differential scanning calorimetry","degree of crosslinking","guided waves","ultrasound"],"publication":"2025 International Congress on Ultrasonics","type":"conference","status":"public","abstract":[{"lang":"eng","text":"The degree of crosslinking in unidirectional prepreg materials was investigated using differential scanning calorimetry to assess their curing behavior and thermal characteristics. To complement these measurements with a non-destructive, in-situ method, the propagation properties of guided acoustic waves in cured carbon fibre-reinforced epoxy plates were analysed. Correlations between the degree of crosslinking and acoustically determined mechanical properties were drawn to enable a future non-destructive evaluation approach."}],"date_created":"2025-11-25T12:23:07Z","author":[{"full_name":"Irmak, Hayrettin","id":"75657","orcid":"https://orcid.org/0009-0009-6267-2957","last_name":"Irmak","first_name":"Hayrettin"},{"last_name":"Claes","orcid":"0000-0002-4393-268X","full_name":"Claes, Leander","id":"11829","first_name":"Leander"},{"first_name":"Shuang","full_name":"Wu, Shuang","id":"48039","last_name":"Wu","orcid":"0000-0001-8645-9952"},{"full_name":"Marten, Thorsten","id":"338","orcid":"0009-0001-6433-7839","last_name":"Marten","first_name":"Thorsten"},{"last_name":"Tröster","id":"553","full_name":"Tröster, Thomas","first_name":"Thomas"}],"date_updated":"2026-03-23T10:31:53Z","publisher":"AMA Service GmbH","doi":"10.5162/ultrasonic2025/c13-b3","conference":{"name":"2025 ICU PADERBORN - 9th International Congress on Ultrasonics","start_date":"2025-09-21","end_date":"2025-09-25","location":"Paderborn, Germany"},"title":"Assessment of the influence of curing parameters on fibre reinforced epoxy composite properties using guided ultrasonic waves","quality_controlled":"1","publication_identifier":{"isbn":["978-3-910600-08-9"]},"publication_status":"published","page":"235–238","citation":{"apa":"Irmak, H., Claes, L., Wu, S., Marten, T., &#38; Tröster, T. (2025). Assessment of the influence of curing parameters on fibre reinforced epoxy composite properties using guided ultrasonic waves. <i>2025 International Congress on Ultrasonics</i>, 235–238. <a href=\"https://doi.org/10.5162/ultrasonic2025/c13-b3\">https://doi.org/10.5162/ultrasonic2025/c13-b3</a>","bibtex":"@inproceedings{Irmak_Claes_Wu_Marten_Tröster_2025, place={Paderborn}, title={Assessment of the influence of curing parameters on fibre reinforced epoxy composite properties using guided ultrasonic waves}, DOI={<a href=\"https://doi.org/10.5162/ultrasonic2025/c13-b3\">10.5162/ultrasonic2025/c13-b3</a>}, booktitle={2025 International Congress on Ultrasonics}, publisher={AMA Service GmbH}, author={Irmak, Hayrettin and Claes, Leander and Wu, Shuang and Marten, Thorsten and Tröster, Thomas}, year={2025}, pages={235–238} }","short":"H. Irmak, L. Claes, S. Wu, T. Marten, T. Tröster, in: 2025 International Congress on Ultrasonics, AMA Service GmbH, Paderborn, 2025, pp. 235–238.","mla":"Irmak, Hayrettin, et al. “Assessment of the Influence of Curing Parameters on Fibre Reinforced Epoxy Composite Properties Using Guided Ultrasonic Waves.” <i>2025 International Congress on Ultrasonics</i>, AMA Service GmbH, 2025, pp. 235–238, doi:<a href=\"https://doi.org/10.5162/ultrasonic2025/c13-b3\">10.5162/ultrasonic2025/c13-b3</a>.","chicago":"Irmak, Hayrettin, Leander Claes, Shuang Wu, Thorsten Marten, and Thomas Tröster. “Assessment of the Influence of Curing Parameters on Fibre Reinforced Epoxy Composite Properties Using Guided Ultrasonic Waves.” In <i>2025 International Congress on Ultrasonics</i>, 235–238. Paderborn: AMA Service GmbH, 2025. <a href=\"https://doi.org/10.5162/ultrasonic2025/c13-b3\">https://doi.org/10.5162/ultrasonic2025/c13-b3</a>.","ieee":"H. Irmak, L. Claes, S. Wu, T. Marten, and T. Tröster, “Assessment of the influence of curing parameters on fibre reinforced epoxy composite properties using guided ultrasonic waves,” in <i>2025 International Congress on Ultrasonics</i>, Paderborn, Germany, 2025, pp. 235–238, doi: <a href=\"https://doi.org/10.5162/ultrasonic2025/c13-b3\">10.5162/ultrasonic2025/c13-b3</a>.","ama":"Irmak H, Claes L, Wu S, Marten T, Tröster T. Assessment of the influence of curing parameters on fibre reinforced epoxy composite properties using guided ultrasonic waves. In: <i>2025 International Congress on Ultrasonics</i>. AMA Service GmbH; 2025:235–238. doi:<a href=\"https://doi.org/10.5162/ultrasonic2025/c13-b3\">10.5162/ultrasonic2025/c13-b3</a>"},"year":"2025","place":"Paderborn"},{"citation":{"chicago":"Moritzer, Elmar, Philipp Brandes, Maurice Wittler, Leander Claes, Mareen Wippermann, and Bernd Henning. “Non-Destructive Fiber-Matrix Adhesion Measurement of Glass Fiber Reinforced Thermoplastic Composite Laminates Using Ultrasound.” In <i>40th International Conference of the Polymer Processing Society</i>, 2025.","ieee":"E. Moritzer, P. Brandes, M. Wittler, L. Claes, M. Wippermann, and B. Henning, “Non-destructive fiber-matrix adhesion measurement of glass fiber reinforced thermoplastic composite laminates using ultrasound,” 2025.","bibtex":"@inproceedings{Moritzer_Brandes_Wittler_Claes_Wippermann_Henning_2025, title={Non-destructive fiber-matrix adhesion measurement of glass fiber reinforced thermoplastic composite laminates using ultrasound}, booktitle={40th International Conference of the Polymer Processing Society}, author={Moritzer, Elmar and Brandes, Philipp and Wittler, Maurice and Claes, Leander and Wippermann, Mareen and Henning, Bernd}, year={2025} }","short":"E. Moritzer, P. Brandes, M. Wittler, L. Claes, M. Wippermann, B. Henning, in: 40th International Conference of the Polymer Processing Society, 2025.","mla":"Moritzer, Elmar, et al. “Non-Destructive Fiber-Matrix Adhesion Measurement of Glass Fiber Reinforced Thermoplastic Composite Laminates Using Ultrasound.” <i>40th International Conference of the Polymer Processing Society</i>, 2025.","apa":"Moritzer, E., Brandes, P., Wittler, M., Claes, L., Wippermann, M., &#38; Henning, B. (2025). Non-destructive fiber-matrix adhesion measurement of glass fiber reinforced thermoplastic composite laminates using ultrasound. <i>40th International Conference of the Polymer Processing Society</i>.","ama":"Moritzer E, Brandes P, Wittler M, Claes L, Wippermann M, Henning B. Non-destructive fiber-matrix adhesion measurement of glass fiber reinforced thermoplastic composite laminates using ultrasound. In: <i>40th International Conference of the Polymer Processing Society</i>. ; 2025."},"year":"2025","author":[{"first_name":"Elmar","last_name":"Moritzer","id":"20531","full_name":"Moritzer, Elmar"},{"first_name":"Philipp","id":"70091","full_name":"Brandes, Philipp","orcid":"0009-0005-9707-0885","last_name":"Brandes"},{"last_name":"Wittler","id":"76071","full_name":"Wittler, Maurice","first_name":"Maurice"},{"id":"11829","full_name":"Claes, Leander","orcid":"0000-0002-4393-268X","last_name":"Claes","first_name":"Leander"},{"first_name":"Mareen","id":"74624","full_name":"Wippermann, Mareen","last_name":"Wippermann"},{"first_name":"Bernd","full_name":"Henning, Bernd","id":"213","last_name":"Henning"}],"date_created":"2026-01-05T08:42:55Z","date_updated":"2026-03-30T14:20:00Z","title":"Non-destructive fiber-matrix adhesion measurement of glass fiber reinforced thermoplastic composite laminates using ultrasound","publication":"40th International Conference of the Polymer Processing Society","type":"conference","status":"public","department":[{"_id":"9"},{"_id":"321"},{"_id":"367"},{"_id":"49"}],"user_id":"59363","_id":"63441","project":[{"grant_number":"495847374","_id":"157","name":"FaMOUS: Ein ultraschallbasiertes Messverfahren unter Berücksichtigung viskoelastischer Eigenschaften zur Charakterisierung der Faser-Matrix-Haftung bei Organoblechen sowie deren realitätsnahe Modellierung"}],"language":[{"iso":"eng"}],"keyword":["Faser-Kunststoff-Verbunde (FKV)","Faserverstärkte Kunststoffe (FVK)","Organobleche","Ultraschall"]}]