Zobrazeno 1 - 10 of 115 pro vyhledávání: '"Thomas E. Weirich"'
1
Microstructural and chemical surface and rim zone changes of ferrite‐perlite 42CrMo4 steel after electrochemical machining
Autor: H. Meyer, Andreas Klink, Joachim Mayer, Alexander Schwedt, Daniela Zander, Lisa Ehle, Oliver Beyss, Thomas E. Weirich, Bob Rommes, S. Harst, Alexander Schupp
Publikováno v: Materials science and engineering technology = Materialwissenschaft und Werkstofftechnik 52(11), 1214-1229 (2021). doi:10.1002/mawe.202100087
Materials science and engineering technology = Materialwissenschaft und Werkstofftechnik 52(11), 1214-1229 (2021). doi:10.1002/mawe.202100087
Published by Wiley-VCH, Weinheim
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c809bb22a653dc447ee530e845be3d85
https://doi.org/10.1002/mawe.202100087
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2
Correlating the Synthesis, Structure, and Catalytic Performance of Pt–Re/TiO2 for the Aqueous-Phase Hydrogenation of Carboxylic Acid Derivatives
Autor: Alexander Meledin, Thomas E. Weirich, Sebastian Leiting, Nico C. Roubicek, Claudia Weidenthaler, Sven Moos, Moritz Otto Haus, Regina Palkovits, Yannik Louven
Publikováno v: ACS catalysis 11(9), 5119-5134 (2021). doi:10.1021/acscatal.0c05612
Pt–Re bimetallic catalysts have many applications, ranging from catalytic reforming to the reduction of carboxylic acid derivatives. However, the exact role of Re in these systems has remained a ma...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::95adb1141cd4cdaaf0c872586563ec72
https://doi.org/10.1021/acscatal.0c05612
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3
Oxygen Surface Exchange and Tracer Diffusion in Differently Oriented Thin Films of Gd-Doped CeO2
Autor: Roger A. De Souza, Thomas E. Weirich, Andreas Klein, Benjamin J. Statham, Stephan P. Waldow, Hans F. Wardenga
Publikováno v: ACS Applied Materials & Interfaces. 12:36768-36777
The exchange of 18O between gaseous molecular oxygen and thin-film samples of Ce0.99Gd0.01O1.995 with two different, nominal surface orientations [(111) and (110)] was studied. Oxygen isotope exchange experiments were conducted in the temperature ran
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2e4e7f8a18a52d8b59b2cc6d1f7b64fd
https://doi.org/10.1021/acsami.0c09605
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5
Akademický článek
Microstructure, phase transformation and hardness of nanometric Cr-Al multilayer coatings
Autor: Yean-Liang Su, Kai-Wen Cheng, Joachim Mayer, Thomas E Weirich, Alexander Schwedt, Yue-Feng Lin
Publikováno v: Advances in Mechanical Engineering, Vol 7 (2015)
Nanometric Cr-Al multilayer films are deposited by magnetron sputtering to investigate the influences of composition and annealing on the microstructure, phase transformation, and hardness. The enhancement of hardness of as-deposited coatings is attr
Externí odkaz: https://doaj.org/article/fc69af349d8840b382b8a4e8cdbcd1d5
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6
Novel low-temperature lean NOx storage materials based on La0.5Sr0.5Fe1-xMxO3-δ/Al2O3 infiltration composites (M = Ti, Zr, Nb)
Autor: Jürgen Dornseiffer, Wilhelm A. Meulenberg, Yoo Jung Sohn, H. Schlenz, F.S. Sauerwein, S.I. Ecker, Olivier Guillon, Jonas Werner, Henny J.M. Bouwmeester, Stefan Baumann, Thomas E. Weirich
Publikováno v: Applied catalysis / B 286, 119919-(2021). doi:10.1016/j.apcatb.2021.119919
Applied catalysis B: environmental, 286:119919. Elsevier
Low-temperature NOx storage materials for lean NOx traps based on nanocomposites containing perovskite-type oxides of La0.5Sr0.5Fe1-xMxO3-δ (M = Ti, Nb or Zr; x = 0.25 or 0.5) are prepared in a highly porous alumina with different loadings of 15−2
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a550e1d2d1677100df767f48b17b0a8e
https://doi.org/10.1016/j.apcatb.2021.119919
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7
Effect of target peak power density on the phase formation, microstructure evolution, and mechanical properties of Cr2AlC MAX-phase coatings
Autor: Jonas Werner, Szilard Kolozsvári, Holger Rueß, Jochen M. Schneider, Bastian Stelzer, Denis Music, Yeliz Unutulmazsoy, Peter Polcik, Thomas E. Weirich, Jürgen W. Gerlach, Xiang Chen
Publikováno v: Journal of the European Ceramic Society 41(3), 1841-1847 (2021). doi:10.1016/j.jeurceramsoc.2020.10.072
The applicability of Cr2AlC MAX-phases as protective coatings in energy conversion or aerospace applications requires a dense, single-phase structure. Therefore, we study the effect of target power density and substrate bias on phase formation, micro
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6ef5233ad1f47707a1389072e0c4e34d
https://publications.rwth-aachen.de/record/808004
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8
New Opportunities for Brazing Research by in situ Experiments in a Large Chamber Scanning Electron Microscope
Autor: Alexander Schmidt, Riza Iskandar, Thomas E. Weirich, Anke Aretz, Kirsten Bobzin, Joachim Mayer
Publikováno v: Lecture Notes in Mechanical Engineering ISBN: 9783030703318
The present study demonstrates that in situ heating experiments in a LC-SEM are capable to provide hitherto not accessible insights into the kinetics of the brazing process. Continuous video documentation and temperature logging of the entire experim
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d4ee980b7896271b8fe66491a40d083f
https://doi.org/10.1007/978-3-030-70332-5_6
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10
Composition/Performance Evaluation of Lean NOx Trap Catalysts for Coupling with SCR Technology
Autor: Joachim Mayer, Riza Iskandar, Stefan Sterlepper, Egbert Wessel, Stefan Pischinger, Jürgen Dornseiffer, Bernd Wolkenar, Thomas E. Weirich, Simon Schönebaum, Peter Mauermann, Ulrich Simon, Olivier Guillon
Publikováno v: ChemCatChem 13(7), 1787-1805 (2021). doi:10.1002/cctc.202001761
The washcoat composition and the catalytic properties of two commercially available lean NOx traps (LNTs) were investigated. Both catalysts contained nominally the same NOx storage and catalytic materials but differed strongly in their amount and act
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0154d5e8d9a347b2bc1eca607e96feef
https://juser.fz-juelich.de/record/893351
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