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Advances in Materials Science and Engineering
Volume 2017, Article ID 7189369, 10 pages
https://doi.org/10.1155/2017/7189369
Research Article

Very High Cycle Fatigue Crack Initiation Mechanism in Nugget Zone of AA 7075 Friction Stir Welded Joint

1School of Architecture and Civil Engineering, Chengdu University, Chengdu 610106, China
2Micromechanics Laboratory, Faculty of Engineering, Kyushu University, Fukuoka 8190395, Japan
3Department of Mechanical Engineering, Kochi National College of Technology, Nankoku 783-8508, Japan
4Key Laboratory of Energy Engineering Safety and Disaster Mechanics, Ministry of Education, Sichuan University, Chengdu 610065, China

Correspondence should be addressed to Qing-yuan Wang; nc.ude.ucs@yqgnaw

Received 9 June 2017; Accepted 30 August 2017; Published 27 November 2017

Academic Editor: Pavel Lejcek

Copyright © 2017 Chao He et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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