Prediction and evaluation of fatigue life via modified energy method considering surface processing-Reference-Cited by-同舟云学术

Prediction and evaluation of fatigue life via modified energy method considering surface processing

Published:2021-09-02 Issue: Volume: Page:105678952110451
ISSN:1056-7895
Container-title:International Journal of Damage Mechanics
language:en
Short-container-title:International Journal of Damage Mechanics

Author:

Wang Haijie¹²,Liu Xintian¹^ORCID,Chen Tie³,Xu Shen¹

Affiliation:

1. School of Mechanical and Automotive Engineering, Shanghai University of Engineering Science, Shanghai University of Engineering Science, Shanghai, China

2. School of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai, China

3. United Automotive Electronic Systems Co., Ltd, Shanghai, China

Abstract

To predict fatigue life more accurately, we consider the relationship between static toughness and fatigue toughness in fatigue failure process, the numerical model of total dissipated plastic strain energy (TDPSE) and fatigue life is established. And considering the effect of surface roughness and surface processing coefficient on fatigue life, the life prediction method of TDPSE is modified. In addition, the fatigue life of Non-Masing and Masing materials are predicted by TDPSE and modified TDPSE method, respectively. Compared with TDPSE method, the life estimated by the modified TDPSE method are closer to the test results, and the modified TDPSE method lays a technical foundation for the development of mechanical components.

Publisher

SAGE Publications

Subject

Mechanical Engineering,Mechanics of Materials,General Materials Science,Computational Mechanics

Link

http://journals.sagepub.com/doi/pdf/10.1177/10567895211045120

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