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The Dislocation Image Force in Cubic Polycrystals
Author(s) -
Head A. K.
Publication year - 1965
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2220100209
Subject(s) - misorientation , dislocation , burgers vector , condensed matter physics , anisotropy , materials science , grain boundary , cubic crystal system , peierls stress , geometry , crystallography , dislocation creep , metallurgy , physics , mathematics , optics , chemistry , microstructure
The image force on a screw dislocation in an anisotropic cubic polycrystal is examined as a function of elastic anisotropy and Burgers vector. For iron it is shown that the screw glide dislocation is always repelled from a grain boundary but for copper there can be either an attraction or repulsion depending on the misorientation across the grain boundary.
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