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RESEARCH PAPERS

On the Calculation of Seizure Considering the Plastic Flow of the Surficial Layers

[+] Author and Article Information
I. V. Kragelsky, N. M. Alekseev

Laboratory of Friction and Friction Materials, Institute of Mechanical Engineering, Moscow, USSR

J. of Lubrication Tech 98(1), 133-138 (Jan 01, 1976) (6 pages) doi:10.1115/1.3452747 History: Received September 29, 1975; Online October 20, 2010

Abstract

A scheme for estimating, in two stages, the seizure of friction pairs has been proposed. The first stage is the assessment of the extent of destruction of lubricant or other protective films. The second stage deals with plastic flow which occurs in surficial layers of the solid. For the second stage, the solid is assumed to be perfectly plastic with deformation hardening. This material model allows the definition of conditions at which plastic flow develops and damage of the surfaces occurs in the form of torn out wedges. Examples of such an estimate for seizure which considers both the properties of lubricant and protective surface films and mechanical properties of the surficial layer of material have been given. Comparison is made of the estimate and experimental data.

Copyright © 1976 by ASME
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