This article is cited in 3 papers

Mechanical properties, strength physics and plasticity

Microplasticity characteristics of ionic crystals upon contact actions

V. I. Savenko, E. D. Shchukin

Institute of Physical Chemistry and Electro Chemistry, Russian Academy of Sciences, Moscow

Abstract: The characteristics of the microhardness and microplasticity of ionic single crystals related to the dislocation structure formed in the near-surface layer of the samples around the indentor print have been analyzed. It has been shown that the most informative characteristic of the contact microplasticity reflecting both the bulk and surface properties of materials is the so-called “ray ratio”, i.e., the ratio of the lengths of edge $l_e$ and screw $l_s$ “arms” of dislocation indentation rosettes $\theta=l_e/l_s$.

Received: 09.04.2012
Accepted: 15.05.2012

 English version: Physics of the Solid State, 2012, 54:11, 2256–2259

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