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Multiaxial fatigue under variable amplitude loadings: review and solutions

Qing-Yun Deng (School of Mechanical and Electrical Engineering, University of Electronic Science and Technology of China, Chengdu, China)
Shun-Peng Zhu (School of Mechanical and Electrical Engineering, University of Electronic Science and Technology of China, Chengdu, China) (Institute of Electronic and Information Engineering of UESTC in Guangdong, Dongguan, China)
Jin-Chao He (School of Mechanical and Electrical Engineering, University of Electronic Science and Technology of China, Chengdu, China)
Xue-Kang Li (School of Mechanical and Electrical Engineering, University of Electronic Science and Technology of China, Chengdu, China)
Andrea Carpinteri (Department of Engineering and Architecture, University of Parma, Parma, Italy)

International Journal of Structural Integrity

ISSN: 1757-9864

Article publication date: 12 April 2022

Issue publication date: 23 May 2022

600

Abstract

Purpose

Engineering components/structures with geometric discontinuities normally bear complex and variable loads, which lead to a multiaxial and random/variable amplitude stress/strain state. Hence, this study aims how to effectively evaluate the multiaxial random/variable amplitude fatigue life.

Design/methodology/approach

Recent studies on critical plane method under multiaxial random/variable amplitude loading are reviewed, and the computational framework is clearly presented in this paper.

Findings

Some basic concepts and latest achievements in multiaxial random/variable amplitude fatigue analysis are introduced. This review summarizes the research status of four main aspects of multiaxial fatigue under random/variable amplitude loadings, namely multiaxial fatigue criterion, method for critical plane determination, cycle counting method and damage accumulation criterion. Particularly, the latest achievements of multiaxial random/variable amplitude fatigue using critical plane methods are classified and highlighted.

Originality/value

This review attempts to provide references for further research on multiaxial random/variable amplitude fatigue and to promote the development of multiaxial fatigue from experimental research to practical engineering application.

Keywords

Acknowledgements

The authors acknowledge the financial support of the National Natural Science Foundation of China (No. 11972110), Sichuan Science and Technology Program (No. 2022JDJQ0024), and Guangdong Basic and Applied Basic Research Foundation (No. 2021B1515140030).

Citation

Deng, Q.-Y., Zhu, S.-P., He, J.-C., Li, X.-K. and Carpinteri, A. (2022), "Multiaxial fatigue under variable amplitude loadings: review and solutions", International Journal of Structural Integrity, Vol. 13 No. 3, pp. 349-393. https://doi.org/10.1108/IJSI-03-2022-0025

Publisher

:

Emerald Publishing Limited

Copyright © 2022, Emerald Publishing Limited

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