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Shear Instability in a System of Point Defects
Author(s) -
Gluzman S. L.,
Psakhe S. G.
Publication year - 1991
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.2221640105
Subject(s) - instability , shear (geology) , critical resolved shear stress , shear stress , materials science , shear rate , mechanics , thermodynamics , composite material , physics , rheology
Impurity behaviour (both thermodynamic and mechanic properties) are investigated under pressure and shear application. The conditions are found of shear instability occurrence — the critical temperature θ c and critical shear stress τ c . θ c decreases with shear stresses application and τ c decreases with temperature growth. The used Green's functions method could be applied for the different cases of atomic Hamiltonians and for the different types of mechanical loading.