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ASM Handbook

Heat Treating of Irons and Steels

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
4D
ISBN electronic:
978-1-62708-168-9
Publication date:
2014
Book Chapter

Simulation of Steels Prone to Quench Cracking

By
K. Arimoto
K. Arimoto
Arimotech Ltd.
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Published:
2014
Page range:
44 - 57
Publication history
October 30, 2014

Abstract

Quench cracking is a brittle fracture phenomenon, and its occurrence depends not only on the stress changes but also on the mechanical characteristics of metals. Simulation of quenching processes has become possible in the analysis of quench cracking. This article commences with a discussion on the studies conducted to determine the origin of quench cracks, and then describes various test procedures for determining the susceptibility of quench cracking. It provides a description of the brittle fracture in terms of fracture mechanics and fracture toughness of quenched metals, and discusses the effects of impurities, hydrogen, and surface roughness on cracking. The article exemplifies simulation works applied to several successful cracking tests on cylindrical and complex-shaped steel parts.

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K. Arimoto, 2014. "Simulation of Steels Prone to Quench Cracking", Heat Treating of Irons and Steels, Jon L. Dossett, George E. Totten

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