High-strength friction stir welding of selective laser melted AlSi10Mg alloys

作     者：Wang Wei Li Peng Meng Xiangchen Xie Yuming Mao Dongxin Zhang Zeyu Huang Yongxian 王伟;李鹏;孟祥晨;谢聿铭;冒冬鑫;张泽宇;黄永宪

作者机构：State Key Laboratory of Advanced Welding and JoiningHarbin Institute of TechnologyHarbin 150001China Beijing Hangxing Machinery Manufacturing Co.LtdBeijing 100013China 

出 版 物：《China Welding》 (中国焊接（英文版）)

年 卷 期：2022年第31卷第4期

页      面：23-27页

学科分类：080503[工学-材料加工工程] 08[工学] 0805[工学-材料科学与工程（可授工学、理学学位）] 0802[工学-机械工程] 080201[工学-机械制造及其自动化] 

基　　金：financial support by the National Natural Science Foundation of China(No.52175301) the China National Postdoctoral Program for Innovative Talents(No.BX20220384) the Shanghai Aerospace Science and Technology Innovation Fund of China(No.SAST2020-108) 

主　　题：Friction stir welding selective laser melting AlSi10Mg alloy 

摘      要：Selective laser melted AlSi10Mg alloys with eutectic network structures were successfully joined by friction stir *** butt-lap joints have been achieved.A novel enlarged pin was designed to overcome kissing bonding defects and increase interfacial bonding *** hook defect in a conventional butt-lap joint was avoided due to the limitation of the upward flow of interfacial materials,and the interfacial joining width was 2.5 times of the plate *** eutectic Si network structure was broken into the re-dispersed rich-Si phases,improving joint *** ultimate tensile strength reached 83.1%of the matrix,higher than those of conventional melting techniques.