Dislocation internal friction at random external loadings

В. М. Чернов

doi:10.1016/j.msea.2003.07.012

2004-04-01

PRE

В. М. Чернов

O. V. Kamaeva

DOI：10.1016/j.msea.2003.07.012

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摘要

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Dislocation internal friction under random external forces acting upon a dislocation was investigated. Different types of random forces (telegraph, impulse, others) were considered. Inertial properties of dislocation and effects of potential (parabolic) crystal relief were taken into account. Analytical expressions for decrement were derived and its dependencies on a degree of correlation of random force, dislocation and medium parameters were analyzed. (C) 2003 Elsevier B.V. All rights reserved.

Keyword:

dislocation

random loadings

internal friction