TY - CHAP AU - Eikermann, Larissa ED - Ströter-Bender, Jutta ID - 45276 SN - 9783828876668 T2 - Das Erbe der Kinder: Provenienzforschung und Sammlungsgeschichte von Kinder- und Jugendzeichnungen: Museen, Archive, private Kollektionen und "verschwundene Sammlungen" = The children's heritage: provenance research and the history of children's and youth drawings collections: museums, archives, private holdings and "lost collections" TI - Children´s drawings on Pippi & Co. - A visit to the Astrid Lindgren Archive in the Royal Library of Stockholm. Sweden VL - Bd. 30 ER - TY - CHAP AU - Kamcili-Yildiz, Naciye ED - Espelage, Christian ED - Mohagheghi, Hamideh ED - Schober, Michael ID - 42096 T2 - Interreligiöse Öffnung durch Begegnung. Grundlagen - Erfahrungen - Perspektiven im Kontext des christlich-islamischen Dialogs TI - Begegnungslernen in den Kerncurricula des islamischen Religionsunterrichts VL - 43 ER - TY - BOOK AU - Kamcili-Yildiz, Naciye ID - 42058 SN - 973-3830942958 TI - Zwischen Glaubensvermittlung und Reflexivität: Eine quantitative Studie zu professionellen Kompetenzen von islamischen ReligionslehrerInnen VL - 682 ER - TY - JOUR AU - Mustafa, Abdul Rahman ID - 42265 IS - 8 JF - Political Theology TI - Supernatural, Unnatural, Queer: Gratitude and Nature in Islamic Political Theology VL - 22 ER - TY - JOUR AU - Aghaei Abrandabadi, Seyed Ali AU - Marx, Michel ID - 42224 IS - 1 JF - Journal of Iranian National Museum TI - Carbon Dating of Seven Parchment Qurʾān Manuscripts and One Syriac Bible of the National Museum of Iran VL - 2 ER - TY - JOUR AU - Ghaffar, Zishan ID - 42341 IS - 2 JF - Der Islam TI - Kontrafaktische Intertextualität im Koran und die exegetische Tradition des syrischen Christentums VL - 98 ER - TY - CHAP AU - Tatari, Muna ED - Khalfaoui, Mouez ED - Ehret, Jean ID - 37120 SN - 9783451391439 T2 - Islamische Theologie in Deutschland. Ein Modell für Europa und die Welt TI - Islamische systematische Theologie in Deutschland: Konturen eines jungen Faches ER - TY - BOOK AU - Tatari, Muna AU - von Stosch, Klaus ID - 37035 SN - 3451389649 TI - Prophetin - Jungfrau - Mutter: Maria im Koran ER - TY - GEN AU - Nassery, Idris ID - 42479 T2 - Frankfurter Allgemeine Zeitung TI - Die unerwünschte Empfehlung, Hybris: Woran der Westen in Afghanistan tatsächlich gescheitert ist ER - TY - JOUR AU - Kulgemeyer, Christoph AU - Kempin, Maren AU - Weißbach, Anna AU - Borowski, Andreas AU - Buschhüter, David AU - Enkrott, Patrick AU - Reinhold, Peter AU - Riese, Josef AU - Schecker, Horst AU - Schröder, Jan AU - Vogelsang, Christoph ID - 45177 IS - 18 JF - International Journal of Science Education KW - Education SN - 0950-0693 TI - Exploring the impact of pre-service science teachers’ reflection skills on the development of professional knowledge during a field experience VL - 43 ER - TY - CONF AU - Große-Heilmann, Rike Isabel AU - Burde, Jan-Philipp AU - Riese, Josef AU - Schubatzky, Thomas AU - Weiler, David ID - 45407 T2 - PhyDid B-Didaktik der Physik-Beiträge zur DPG-Frühjahrstagung 2021 TI - Erwerb und Messung physikdidaktischer Kompetenzen zum Einsatz digitaler Medien ER - TY - CONF AU - Weiler, David AU - Burde, Jan-Philipp AU - Große-Heilmann, Rike Isabel AU - Lachner, Andreas AU - Riese, Josef AU - Schubatzky, Thomas ID - 45408 T2 - PhyDid B-Didaktik der Physik-Beiträge zur DPG-Frühjahrstagung 2021 TI - Entwicklung eines Seminars zur Förderung des Konzeptverständnisses mittels digitaler Medien ER - TY - CHAP AU - Haghani Fazl, Mohammad ED - Grössl, Johannes ED - von Stosch, Klaus ID - 45436 T2 - Impeccability and Temptation: Understanding Christ's Divine and Human Will TI - The Scope of ‘iṣma and Qur’anic Evidence ER - TY - JOUR AU - Hein, Maxwell AU - Hoyer, Kay-Peter AU - Schaper, Mirko ID - 41511 IS - 7 JF - Materialwissenschaft und Werkstofftechnik KW - Mechanical Engineering KW - Mechanics of Materials KW - Condensed Matter Physics KW - General Materials Science SN - 0933-5137 TI - Additively processed TiAl6Nb7 alloy for biomedical applications VL - 52 ER - TY - JOUR AB - Purpose The currently existing restrictions regarding the deployment of additively manufactured components because of poor surface roughness, porosity and residual stresses as well as their influence on the low-cycle fatigue (LCF) strength are addressed in this paper. Design/methodology/approach This study aims to evaluating the effect of different pre- and post-treatments on the LCF strength of additively manufactured 316L parts. Therefore, 316L specimens manufactured by laser powder bed fusion were examined in their as-built state as well as after grinding, or coating with regard to the surface roughness, residual stresses and LCF strength. To differentiate between topographical effects and residual stress-related phenomena, stress-relieved 316L specimens served as a reference throughout the investigations. To enable an alumina coating of the 316L components, atmospheric plasma spraying was used, and the near-surface residual stresses and the surface roughness are measured and investigated. Findings The results have shown that the applied pre- and post-treatments such as stress-relief heat treatment, grinding and alumina coating have each led to an increase in LCF strength of the 316L specimens. In contrast, the non-heat-treated specimens predominantly exhibited coating delamination. Originality/value To the best of the authors’ knowledge, this is the first study of the correlation between the LCF behavior of additively manufactured uncoated 316L specimens in comparison with additively manufactured 316L specimens with an alumina coating. AU - Garthe, Kai-Uwe AU - Hoyer, Kay-Peter AU - Hagen, Leif AU - Tillmann, Wolfgang AU - Schaper, Mirko ID - 41507 IS - 5 JF - Rapid Prototyping Journal KW - Industrial and Manufacturing Engineering KW - Mechanical Engineering SN - 1355-2546 TI - Correlation between pre- and post-treatments of additively manufactured 316L parts and the resulting low cycle fatigue behavior VL - 28 ER - TY - JOUR AB - Processing aluminum alloys employing powder bed fusion of metals (PBF-LB/M) is becoming more attractive for the industry, especially if lightweight applications are needed. Unfortunately, high-strength aluminum alloys such as AA7075 are prone to hot cracking during PBF-LB/M, as well as welding. Both a large solidification range promoted by the alloying elements zinc and copper and a high thermal gradient accompanied with the manufacturing process conditions lead to or favor hot cracking. In the present study, a simple method for modifying the powder surface with titanium carbide nanoparticles (NPs) as a nucleating agent is aimed. The effect on the microstructure with different amounts of the nucleating agent is shown. For the aluminum alloy 7075 with 2.5 ma% titanium carbide nanoparticles, manufactured via PBF-LB/M, crack-free samples with a refined microstructure having no discernible melt pool boundaries and columnar grains are observed. After using a two-step ageing heat treatment, ultimate tensile strengths up to 465 MPa and an 8.9% elongation at break are achieved. Furthermore, it is demonstrated that not all nanoparticles used remain in the melt pool during PBF-LB/M. AU - Heiland, Steffen AU - Milkereit, Benjamin AU - Hoyer, Kay-Peter AU - Zhuravlev, Evgeny AU - Kessler, Olaf AU - Schaper, Mirko ID - 41506 IS - 23 JF - Materials KW - General Materials Science SN - 1996-1944 TI - Requirements for Processing High-Strength AlZnMgCu Alloys with PBF-LB/M to Achieve Crack-Free and Dense Parts VL - 14 ER - TY - JOUR AB - Implants often overtake body function just for a certain time and remain as an unnecessary foreign body or have to be removed. Thus, resorbable implants are highly beneficial to reduce patient burden. Besides established materials, Iron-(Fe)-based alloys are in focus due to superior mechanical properties and good biocompatibility. However, their degradation rate needs to be increased. Phases with high electrochemical potential could promote the dissolution of residual material based on the galvanic coupling. Silver (Ag) is promising due to its high electrochemical potential (+0.8 V vs. SHE), immiscibility with Fe, biocompatibility, and anti-bacterial properties. But to prevent adverse consequences the Ag-particles, remaining after dissolution of the matrix, need to dissolve. Thus, a bioresorbable Ag-alloy is required. Regarding the electrochemical potential and degradation behavior of binary alloys, Cerium (Ce) and Lanthanum (La) are well-suited considering their biocompatibility and antibacterial behavior. Accordingly, this research addresses AgCe and AgCeLa alloys as additives for Fe-based materials with adapted degradation behavior. Furthermore, degradable Ag-alloys combined with inert implant materials could enable the controlled release of antibacterial active Ag-ions. AU - Krüger, Jan Tobias AU - Hoyer, Kay-Peter AU - Schaper, Mirko ID - 24790 JF - Materials Letters SN - 0167-577X TI - Bioresorbable AgCe and AgCeLa alloys for adapted Fe-based implants VL - 306 ER - TY - JOUR AU - Tillmann, Wolfgang AU - Lopes Dias, Nelson Filipe AU - Franke, Carlo AU - Kokalj, David AU - Stangier, Dominic AU - Filor, Viviane AU - Mateus-Vargas, Rafael Hernán AU - Oltmanns, Hilke AU - Kietzmann, Manfred AU - Meißner, Jessica AU - Hein, Maxwell AU - Pramanik, Sudipta AU - Hoyer, Kay-Peter AU - Schaper, Mirko AU - Nienhaus, Alexander AU - Thomann, Carl Arne AU - Debus, Jörg ID - 41516 JF - Surface and Coatings Technology KW - Materials Chemistry KW - Surfaces KW - Coatings and Films KW - Surfaces and Interfaces KW - Condensed Matter Physics KW - General Chemistry SN - 0257-8972 TI - Tribo-mechanical properties and biocompatibility of Ag-containing amorphous carbon films deposited onto Ti6Al4V VL - 421 ER - TY - JOUR AU - Andreiev, Anatolii AU - Hoyer, Kay-Peter AU - Dula, Dimitri AU - Hengsbach, Florian AU - Grydin, Olexandr AU - Frolov, Yaroslav AU - Schaper, Mirko ID - 41512 JF - Materials Science and Engineering: A KW - Mechanical Engineering KW - Mechanics of Materials KW - Condensed Matter Physics KW - General Materials Science SN - 0921-5093 TI - Laser beam melting of functionally graded materials with application-adapted tailoring of magnetic and mechanical performance VL - 822 ER - TY - JOUR AU - Pramanik, Sudipta AU - Andreiev, Anatolii AU - Hoyer, Kay-Peter AU - Schaper, Mirko ID - 41510 JF - International Journal of Fatigue KW - Industrial and Manufacturing Engineering KW - Mechanical Engineering KW - Mechanics of Materials KW - General Materials Science KW - Modeling and Simulation SN - 0142-1123 TI - Quasi in-situ analysis of fracture path during cyclic loading of double-edged U notched additively manufactured FeCo alloy VL - 153 ER -