Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Andreas Stärk"'
Autor:
Meet Jaydeepkumar Oza, Andreas Stark, Efthymios Polatidis, Pere Barriobero Vila, Moslem Shahverdi, Christian Leinenbach
Publikováno v:
Materials & Design, Vol 247, Iss , Pp 113378- (2024)
Iron-based shape memory alloys (Fe-SMAs) are e-merging materials with extensive application in civil structures owing to their unique properties, including the shape memory effect. However, it is crucial to understand the time dependent behavior of F
Externí odkaz:
https://doaj.org/article/3025b25fd79a4017bec899c4c63c2b1a
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 5850-5862 (2024)
The α2 phase with an ordered hexagonal structure has a strong mechanical anisotropy. The limited plasticity interacting with crystallographic texture formation undoubtedly complicate the deformation mechanisms of the α2 phase. Taking advantage of i
Externí odkaz:
https://doaj.org/article/cf90e0938b164d48957f0eee6d449f46
Autor:
Andreas Starke, Alexander M. Kollikowski, Vivian Vogt, Guido Stoll, Bernhard Nieswandt, Mirko Pham, David Stegner, Michael K. Schuhmann
Publikováno v:
Biomedicines, Vol 12, Iss 10, p 2191 (2024)
Background: Severe acute ischemic stroke (AIS) is mainly caused by thromboembolism originating from symptomatic carotid artery (ICA) stenosis or in the heart due to atrial fibrillation. Glycoprotein VI (GPVI), a principal platelet receptor, facilitat
Externí odkaz:
https://doaj.org/article/f668caeb58f740a484fde12cd765f6f1
Autor:
Joachim Gussone, Marcus Willi Rackel, Silvana Tumminello, Pere Barriobero-Vila, Frederic Kreps, Klemens Kelm, Andreas Stark, Norbert Schell, Florian Pyczak, Jan Haubrich, Guillermo Requena
Publikováno v:
Materials & Design, Vol 232, Iss , Pp 112154- (2023)
We compare microstructure formation during laser powder bed fusion (LPBF) of a Ti-22Al-25Nb alloy applying low and high pre-heating build plate temperatures. Fast cooling rates during low-temperature LPBF lead to metastable weakly ordered β phase, i
Externí odkaz:
https://doaj.org/article/d721c2c942cc42e38b4bd51c9e67b460
Autor:
Stefan Heinze, Tim Krülle, Lars Ewenz, Christina Krywka, Anton Davydok, Andreas Stark, Rainer Cremer, Christoph Leyens
Publikováno v:
Materials & Design, Vol 225, Iss , Pp 111535- (2023)
This paper focuses on the influence of the High Power Pulsed Magnetron Sputtering (HPPMS) and Direct Current Magnetron Sputtering (DCMS) coating deposition processes, the bias voltage, deposition temperature, and substrate on various properties of th
Externí odkaz:
https://doaj.org/article/b825d4b21be348f0953e2850ae31a794
Publikováno v:
Materials & Design, Vol 225, Iss , Pp 111462- (2023)
This paper focuses on the Cr2AlC phase formation during annealing post-treatment, with amorphous Cr-Al-C and (Cr,Al)2C as initial phases in the as-deposited state. The influence of the deposition process on the Cr2AlC formation, texture, and phase co
Externí odkaz:
https://doaj.org/article/379d5971596f432c9d1b8ec74fbb05f1
Autor:
Martina Heßler-Klintz, Astrid Markus, Gerhard Huber, Hans-Wolfram Fehlhaber, Dietrich Müller, Torsten Siegels, Andreas Stärk, Dirk Böttger, Armin Maulshagen, Gerhard Seibert, Jean van Heijenoort, Yveline van Heijenoort, Armin Biallaß, Kurt Hobert, Peter Welzel, Monika Hiegemann
Publikováno v:
Tetrahedron. 49:7667-7678
Isolation and structure elucidation of a new moenomycin antibiotic (C1, 1e) that lacks the branching methyl group in the 4-position of unit F are reported. The smallest antibiotically active degradation product of 1e is the trisaccharide derivative 3
Autor:
Astrid Markus, Hans J. Veith, Dietrich Müller, Michael Limbert, Andreas Stärk, Gerhard Huber, Hans-Wolfram Fehlhaber, Torsten Siegels, Manfred Kaiser, Kurt Hobert, Aranka Hiltmann, Jürgen Scherkenbeck, Jean van Heijenoort, Shuji Takahashi, Peter Welzel, Yveline van Heijenoort, Dirk Böttger, Wassja Bankova, Gerhard Seiberg
Publikováno v:
Tetrahedron. 49:3091-3100
Isolation, structural assignment, and antibiotic efficiency of the new moenomycin antibiotics C3 (1b) and C4 (1c) is decribed. The previously published structure of pholipomycin (1d) is modified.
Publikováno v:
Acta Orthopaedica, Vol 92, Iss 1, Pp 102-108 (2020)
Background and purpose — Classification of ankle fractures is crucial for guiding treatment but advanced classifications such as the AO Foundation/Orthopedic Trauma Association (AO/OTA) are often too complex for human observers to learn and use. We
Externí odkaz:
https://doaj.org/article/b6a49c2925c54bd6973ea961fdc3191c
Autor:
Klaudia Horváth Fekete, Daria Drozdenko, Jan Čapek, Kristián Máthis, Domonkos Tolnai, Andreas Stark, Gerardo Garcés, Patrik Dobroň
Publikováno v:
Journal of Magnesium and Alloys, Vol 8, Iss 1, Pp 199-209 (2020)
The compressive deformation behavior of the extruded WZ42 (Mg98.5Y1Zn0.5 in at.%) magnesium alloy containing a low amount of long-period stacking ordered (LPSO) phase was studied by in-situ synchrotron radiation diffraction technique. Tests were cond
Externí odkaz:
https://doaj.org/article/5bc1d710ddab4d69aed71d6f06ae7683