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Tempering effect on residual stress in bimetallic roll

Department of Mechanical Engineering, Kyushu Institute of Technology, 1-1 Sensui-cho, Tobata-ku, Kitakyushu-shi 804-8550, Japan

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Mohd Radzi Aridi

Department of Mechanical Engineering, Kyushu Institute of Technology, 1-1 Sensui-cho, Tobata-ku, Kitakyushu-shi 804-8550, Japan

E-mail Address: aridi.mohd-radzi416@mail.kyutech.jp

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, and

Yoshikazu Sano

Department of Mechanical Engineering, Kyushu Institute of Technology, 1-1 Sensui-cho, Tobata-ku, Kitakyushu-shi 804-8550, Japan

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https://doi.org/10.1142/S0217979221400440Cited by:1 (Source: Crossref)

This article is part of the issue:

Special Issue on the Physics and Mechanics of New Materials and Their Application
Guest Editors: Prof. Yun-Hae Kim, Prof. Nao-Aki Noda, Prof. Ivan A. Parinov, Prof. Shun-Hsyung Chang and Dr. Pankaj Koinkar

Abstract

In this study, tempering effect on the residual stress is studied after uniform heating–quenching and nonuniform heating–quenching for bimetallic work roll. Results for uniform heating treatment showed that the maximum stress at the center decreases by 68% from 396 MPa to 126 MPa after the first and second tempering. Results for nonuniform heating treatment showed that the maximum stress at the center decreases by 47% from 309 MPa to 165 MPa after the first and second tempering. It may be concluded that nonuniform heating–quenching and tempering are useful for reducing the central tensile stress preventing cracks at the roll surface.

Keywords:

PACS: 81.40.Ef

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