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Damage quantification under sliding and seizure condition using first-of-a-kind fretting machine

Chaudhry, V and Kailas, Satish V (2013) Damage quantification under sliding and seizure condition using first-of-a-kind fretting machine. In: WEAR, 305 (1-2). pp. 140-154.

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Official URL: http://dx.doi.org/10.1016/j.wear.2013.04.003

Abstract

In a practical situation, it is difficult to model exact contact conditions clue to challenges involved in the estimation of contact forces, and relative displacements between the contacting bodies. Sliding and seizure conditions were simulated on first-of-a-kind displacement controlled system. Self-mated stainless steels have been investigated in detail. Categorization of contact conditions prevailing at the contact interface has been carried out based on the variation of coefficient of friction with number of cycles, and three-dimensional fretting loops. Surface and subsurface micro-cracks have been observed, and their characteristic shows strong dependence on loading conditions. Existence of shear bands in the subsurface region has been observed for high strain and low strain rate loading conditions. Studies also include the influence of initial surface roughness on the damage under two extreme contact conditions. (C) 2013 Elsevier B.V. All rights reserved.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the Copy right for this article belongs to the
Keywords: Sliding; Seizure; Fretting; Cracks; Shear bands; Surface roughness
Department/Centre: Division of Mechanical Sciences > Mechanical Engineering
Depositing User: Id for Latest eprints
Date Deposited: 26 Aug 2015 09:51
Last Modified: 26 Aug 2015 09:51
URI: http://eprints.iisc.ac.in/id/eprint/52214

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