Zobrazeno 1 - 10
of 57
pro vyhledávání: '"Roman Gröger"'
Publikováno v:
Metallurgical and Materials Transactions A. 54:439-449
Autor:
Zachary T. Kloenne, Jean-Philippe Couzinié, Milan Heczko, Roman Gröger, Gopal B. Viswanathan, William A.T. Clark, Hamish L. Fraser
Publikováno v:
Scripta Materialia. 223:115071
Publikováno v:
Computational Materials Science. 216:111874
Autor:
Roman Gröger
Publikováno v:
Modelling and Simulation in Materials Science and Engineering. 30:085007
Many transition metals crystalizing in the body-centered cubic (bcc) structure exhibit anomalous slip on low-stressed { 110 } planes at low homologous temperatures, which cannot be reconciled with the Schmid law. Specifically, for uniaxial loading in
Autor:
Vaclav Vitek, Roman Gröger
Publikováno v:
Computational Materials Science. 159:297-305
It has been found in a number of computer simulations that the yield criterion for the onset of crystal plasticity of body-centered cubic (bcc) metals generally involves stress components other than the shear stress parallel to the slip direction. Th
Publikováno v:
Journal of Materials Research. 34:261-270
High-purity niobium single crystals of five different orientations were compressed at 77 K to 2–4% plastic strain to investigate the mechanisms operative in the initial stage of yielding. The crystals deformed in the direction close to the [001] ax
Publikováno v:
Materials Science and Engineering: A. 737:413-421
Vanadium is the least studied non-magnetic body centered cubic metal whose mechanism of plastic deformation is still a subject of controversy. Depending on the level of purity and spatial distribution of interstitial impurities, it has been shown to
Autor:
Roman Gröger
All yield criteria that determine the onset of plastic deformation in crystalline materials must be invariant under the inversion symmetry associated with a simultaneous change of sign of the slip direction and the slip plane normal. We demonstrate t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b7adb2c7f8a30bdbe8a7b9bcabd4f9d2
http://arxiv.org/abs/2103.03749
http://arxiv.org/abs/2103.03749
Autor:
David J. Wallis, Lok Yi Lee, Menno J. Kappers, Petr Vacek, Fabien Massabuau, Rachel A. Oliver, Roman Gröger, Martin Frentrup
The defect structure of zincblende GaN nucleation layers grown by metalorganic vapor-phase epitaxy on 3C-SiC/Si (001) was investigated by high-resolution scanning transmission electron microscopy. Perfect dislocations, partial dislocations, and stack
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::21576a3e2b4a8dad9ca914b3c655dddb
https://www.repository.cam.ac.uk/handle/1810/321597
https://www.repository.cam.ac.uk/handle/1810/321597
Autor:
Veronika Mazánová, Roman Gröger, Tomáš Záležák, Milan Heczko, Easo P. George, M.S. Hooshmand, Michael J. Mills, Antonín Dlouhý
Publikováno v:
Microscopy and Microanalysis. 27:3098-3099