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ASM Handbook

Failure Analysis and Prevention

Edited by
William T. Becker
William T. Becker
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Roch J. Shipley
Roch J. Shipley
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ASM International
Volume
11
ISBN electronic:
978-1-62708-180-1
Publication date:
2002
Book Chapter

Impact Wear Failures

By
Roger Lewis
Roger Lewis
The University of Sheffield
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Rob Dwyer-Joyce
Rob Dwyer-Joyce
The University of Sheffield
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Published:
2002
Page range:
965 - 974
Publication history
November 01, 2002

Abstract

This article discusses the generic features of impact wear on metals, ceramics, and polymers. It describes normal impact wear and compound impact wear, as well as the features of impact wear testing apparatus such as ballistic impact wear apparatus and pivotal hammer impact wear apparatus. Most mechanical components continue to be functional beyond the zero wear limit, and their usefulness is normally connected with the loss of a specific depth of material. The article reviews the zero impact wear model and some measurable impact wear models. It presents a case study illustrating the impact of wear failure on automotive engine inlet valves and seat inserts.

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Roger Lewis, Rob Dwyer-Joyce, 2002. "Impact Wear Failures", Failure Analysis and Prevention, William T. Becker, Roch J. Shipley

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