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ASM Handbook

Induction Heating and Heat Treatment

Edited by
Valery Rudnev
Valery Rudnev
Inductoheat Inc.
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George E. Totten
George E. Totten
Portland State University
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ASM International
Volume
4C
ISBN electronic:
978-1-62708-167-2
Publication date:
2014
Book Chapter

Residual Stresses in Induction Hardened Steels

By
Janez Grum
Janez Grum
University of Ljubljana
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Published:
2014
Page range:
103 - 129
Publication history
May 27, 2014

Abstract

Residual stresses are stresses within a part that result from non-uniform plastic deformation or heating and cooling and play a vital role in ensuring long life of the induction-hardened steel parts. This article provides a description of the formation of residual stresses, and factors affecting their magnitude and distribution as well as their effects on longevity of heat-treated components. The residual stresses of the induction-hardened part are often produced by microstructural transformation, thermal shrinking, distortion, and quenching. Fatigue strength is the main property that gets affected not only by induction hardening but also by residual stresses, quenching conditions, and grain size in the hardened condition. The article concludes with a review of induction heating or hardening in conjunction with other processing methods with examples in terms of properties and, in some cases, effects on residual stress.

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Janez Grum, 2014. "Residual Stresses in Induction Hardened Steels", Induction Heating and Heat Treatment, Valery Rudnev, George E. Totten

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