Research on the Analysis of Residual Stress in Heat Treatment of Bellows Using ABAQUS

Author:

Wang Anheng1ORCID,Ling Chuanwen1,Zhao Xiang1,Wang Hui1,Wang Tao1,Tao Guangming2,Fu Yanchao2,Cheng Tao2

Affiliation:

1. School of Mechanical and Automotive Engineering, Anhui Polytechnic University, Wuhu 241000, China

2. Wuhu Taihe Pipe Insdustry Co., Ltd., Wuhu 241000, China

Abstract

Taking austenitic stainless-steel bellows as the research object, a finite element model for the heat treatment of austenitic stainless-steel bellows was constructed based on ABAQUS CAE 2022. The physical properties of the bellows after the heat treatment were analyzed using experimental and simulated curve processing analysis methods. The changes in residual stress and deformation in relation to the bellows under different cooling times were explored, as well as the distribution of residual stress and deformation at a certain cooling time. The results show that as the cooling time of the heat treatment increases, the residual stress of the bellow decreases significantly, the reduction rate accelerates, and the degree of deformation gradually decreases. When the cooling time of the heat treatment is 900 s, the residual stress of the wave peak in the middle position of the bellow is relatively small, and the residual stress value of the wave valley along the axis direction does not change significantly. The deformation degree of the wave peak and valley axis direction is relatively uniform.

Funder

Natural Science Foundation of Anhui Province of China

Publisher

MDPI AG

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