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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

Wear Failures of Plastics

By
Sujeet K. Sinha
Sujeet K. Sinha
National University of Singapore
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Published:
2002
Page range:
1019 - 1027
Publication history
November 01, 2002

Abstract

Plastics or polymers are used in a variety of engineering and nonengineering applications where they are subjected to surface damage and wear. This article discusses the classification of polymer wear mechanisms based on the methodologies of defining the types of wear. The first classification is based on the two-term model that divides wear mechanisms into interfacial and bulk or cohesive. The second is based on the perceived wear mechanism. The third classification is specific to polymers and draws the distinction based on mechanical properties of polymers. In this classification, wear study is separated as elastomers, thermosets, glassy thermoplastics, and semicrystalline thermoplastics. The article describes the effects of environment and lubricant on the wear failures of polymers. It presents a case study on nylon as a tribological material. The article explains the wear failure of an antifriction bearing, a nylon driving gear, and a polyoxymethylene gear wheel.

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Sujeet K. Sinha, 2002. "Wear Failures of Plastics", Failure Analysis and Prevention, William T. Becker, Roch J. Shipley

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