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ASM Handbook

Fatigue and Fracture

ASM International
Volume
19
ISBN electronic:
978-1-62708-193-1
Publication date:
1996
Book Chapter

Fatigue and Fracture Control for Powder Metallurgy Components

By
Randall M. German
Randall M. German
The Pennsylvania State University
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Richard A. Queeney
Richard A. Queeney
The Pennsylvania State University
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Published:
1996
Page range:
337 - 344

Abstract

This article discusses the fracture and fatigue properties of powder metallurgy (P/M) materials depending on the microstructure. It describes the effects of porosity on the P/M processes relevant to fatigue and fracture resistance. The article details the factors determining fatigue and fracture resistance of P/M materials. It reviews the methods employed to improve fatigue and fracture resistance, including carbonitriding, surface strengthening and sealing treatments, shot-peening, case hardening, repressing and resintering, coining, sizing, and postsintering heat treatments. Safety factors for P/M materials are also detailed.

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Randall M. German, Richard A. Queeney, 1996. "Fatigue and Fracture Control for Powder Metallurgy Components", Fatigue and Fracture

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