Abstract

The theory of the internal friction observed in metals at relatively low temperatures in the course of plastic deformation is developed on the assumption that the damping is induced by dynamic recovery related to the logarithmic type of creep, common to many crystalline solids. Experimental data for several metals agree with the theoretical deductions; these are consistent with the view that the rate of recovery is controlled by non-conservative jog displacements in which point defects are formed.

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