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ASM Handbook

Steel Heat Treating Fundamentals and Processes

Edited by
Jon L. Dossett
Jon L. Dossett
Consultant
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George E. Totten
George E. Totten
Portland State University
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ASM International
Volume
4A
ISBN electronic:
978-1-62708-165-8
Publication date:
2013
Book Chapter

Induction Surface Hardening of Steels[1]

By
Valery Rudnev
Valery Rudnev
Inductoheat Incorporated
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Jon Dossett
Jon Dossett
Consultant
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Published:
2013
Page range:
438 - 461
Publication history
July 08, 2013

Abstract

This article commences with a description of the principles of induction heating followed by a discussion on the high temperature electrical, magnetic, and thermal properties of steel, which influence the performance of induction heaters. The importance of eddy current distribution in a workpiece is explained, with emphasis on the skin effect. The article discusses typical procedures for induction hardening of steel, namely, austenitizing and quenching to form martensite either on the surface (case hardening) or through the entire section (through hardening). It briefly describes induction heating parameters for surface hardening, through hardening, tempering, and some general heating operations in metalworking.

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Valery Rudnev, Jon Dossett, 2013. "Induction Surface Hardening of Steels", Steel Heat Treating Fundamentals and Processes, Jon L. Dossett, George E. Totten

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