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Growth of 3D edge cracks in mode I and T-stress on the atomistic level
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SYSNO ASEP 0477355 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Growth of 3D edge cracks in mode I and T-stress on the atomistic level Author(s) Machová, Anna (UT-L) RID, ORCID
Uhnáková, Alena (UT-L) RID, ORCID
Hora, Petr (UT-L) RID, ORCIDNumber of authors 3 Source Title Computational Materials Science. - : Elsevier - ISSN 0927-0256
Roč. 138, October (2017), s. 315-322Number of pages 8 s. Publication form Print - P Language eng - English Country NL - Netherlands Keywords bcc iron ; crack growth ; dislocation emission ; twins ; atomic stress Subject RIV BM - Solid Matter Physics ; Magnetism OECD category Condensed matter physics (including formerly solid state physics, supercond.) R&D Projects EF15_003/0000493 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) GA15-20666S GA ČR - Czech Science Foundation (CSF) GA17-12925S GA ČR - Czech Science Foundation (CSF) Institutional support UT-L - RVO:61388998 UT WOS 000410617000037 EID SCOPUS 85023616152 DOI 10.1016/j.commatsci.2017.06.045 Annotation We present results of 3D molecular dynamic (MD) simulations accompanied by stress calculations on the atomistic level in 3D bcc iron crystals with edge cracks ð 110Þ½110 . Two different crack lengths in samples of SEN type loaded uniaxially in mode I were treated with negative and positive values of T-stress according to the continuum prediction by Fett for constant stress boundary condition. Atomistic results are compared with continuum predictions, including influence of T-stress on the ductile-brittle behavior of cracks. Workplace Institute of Thermomechanics Contact Marie Kajprová, kajprova@it.cas.cz, Tel.: 266 053 154 ; Jana Lahovská, jaja@it.cas.cz, Tel.: 266 053 823 Year of Publishing 2018
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