Interfacial strength saturation due to local melting at bonding interface in ultrasonic welding of 7075 aluminum alloy to 316L stainless steel

被引:6
作者
Chiu, Hsiang-Yi [1 ]
Huang, Jhong-Ren [2 ]
Lin, Jhe-Yu [1 ]
机构
[1] Natl Taipei Univ Technol, Dept Mech Engn, 1,Sec 3,Zhongxiao E Rd, Taipei 10608, Taiwan
[2] Natl Taiwan Univ Sci & Technol, Dept Mech Engn, 43,Sec 4,Keelung Rd, Taipei 10607, Taiwan
关键词
Ultrasonic welding; Steel; Aluminum; Local melting; JOINT;
D O I
10.1016/j.matlet.2024.136249
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
This study elucidated the similar to 1-mu m precipitate layers of Al18Mg3Cr2 and Al-6(Cu, Fe) formed apart from the interface when the interfacial temperature is higher than 470 C-degrees during ultrasonic welding of steel/7075 Al alloy. The formation of continuous precipitate layers was induced by local melting, leading to strength saturation (2.75 kN).
引用
收藏
页数:4
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