A
comparison study of fatigue behavior in Al-Al and Al-steel refill
friction stir spot welding joint
Haokun Yang1a*, Detao Cai2,3a,
Jiaxin Li1, Chin Yung Kwok1,
Yunqiang Zhao3, Yu Li4, Haisheng
Liu4, Waiwah Lai1
1
Smart
Manufacturing Division (SMD), Hong Kong Productivity Council (HKPC),
Hong Kong 999077, People’s Republic of China
2 State Key Laboratory of Advanced Design and Manufacturing for Vehicle
Body, Hunan University, Changsha, Hunan 410082, People’s Republic of
China
3 China-Ukraine Belt and Road Joint Laboratory on Materials Joining and
Advanced Manufacturing, China-Ukraine Institute of Welding Guangdong
Academy of Sciences, Guangzhou, Guangdong 510650, People’s Republic of
China
4 Center for Industrial Analysis and Testing, Guangdong Academy of
Science, Guangzhou, Guangdong 510650, People’s Republic of China
a These authors contribute equally
Corresponding
author: Haokun Yang, +852 27885679,hkyang@hkpc.org
Keywords:
Refill
friction stir spot welding, Fatigue fracture, Aluminum, Steel