Fatigue behavior of Al-Al and Al-steel refill friction stir spot
welding joints 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