Transient temperature and internal stress analysis of quenched centric and eccentric cylindrical tubes

Xin Yao; Jianfeng Gu; Jingping Li; Mingjuan Hu

doi:10.3139/ijmr-2003-0013

Article

Transient temperature and internal stress analysis of quenched centric and eccentric cylindrical tubes

Xin Yao , Jianfeng Gu , Jingping Li and Mingjuan Hu

Published/Copyright: January 5, 2022

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From the journal International Journal of Materials Research Volume 94 Issue 1

Abstract

The aim of the study is to investigate the transient temperature, structure and internal stress evolution and distribution of oil-quenched centric and eccentric cylindrical tubes by a finite element method. Thermal analysis is first performed to obtain the cooling curves for the core and surface of the tubes, and then followed by a structural analysis. The study finds that at the initial stages of the quenching process, the residual axial stresses are tensile at the surface and compressive in the core for both geometries. However, toward the end of quenching, the interactions of thermal and transformation stresses make the surface and core axial stresses of the centric tube reverse their sign several times. Under the same quenching process, it has been found that the residual stress distribution of the eccentric tube is quite different from the centric one.

Keywords: Finite element modeling; Quenching; Residual stress; Thermal analysis

Xin Yao 560#, Dept. of Mater. Sci. & Eng., Shanghai Jiao Tong University 1954 Huashan Rd., Shanghai, P. R. China Tel.: +86 21 6293 2563 Fax: +86 21 6293 2563-8015

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Received: 2002-07-08

Published Online: 2022-01-05

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Articles in the same Issue

https://doi.org/10.3139/ijmr-2003-0013

Keywords for this article

Finite element modeling; Quenching; Residual stress; Thermal analysis