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Detail publikace
ČERNÝ, M. POKLUDA, J.
Originální název
Influence of superimposed normal stress on the <112>{111} shear strength in perfect fcc metals
Typ
článek v časopise ve Web of Science, Jimp
Jazyk
angličtina
Originální abstrakt
The influence of a stress applied perpendicularly to slip planes during the shear deformation of fcc crystals on the theoretical shear strength was studied for <112>{111} slip system using first principles methods. A special relaxation procedure guarantees that all stresses acting on the system are zero with the exception of the normal stress and the resolved shear stress. The theoretical shear strength was found to be a decreasing function of the applied tensile normal stress. The results were compared with similar calculations for rigid atomic planes and the role of relaxation of atomic positions within the planes was found to be important for correct description of the studied deformation process.
Klíčová slova
ideal shear strength, homogeneous deformation, ab initio calculations
Autoři
ČERNÝ, M.; POKLUDA, J.
Rok RIV
2008
Vydáno
1. 1. 2008
ISSN
0927-0256
Periodikum
COMPUTATIONAL MATERIALS SCIENCE
Ročník
44
Číslo
10
Stát
Nizozemsko
Strany od
127
Strany do
130
Strany počet
4
BibTex
@article{BUT44480, author="Miroslav {Černý} and Jaroslav {Pokluda}", title="Influence of superimposed normal stress on the <112>{111} shear strength in perfect fcc metals", journal="COMPUTATIONAL MATERIALS SCIENCE", year="2008", volume="44", number="10", pages="127--130", issn="0927-0256" }