ZHANG Fuliang, XU Ning, WANG Yu, et al. Study on friction stir welding process performance of 6005A alloy[J]. 2021,51(7):62-65. DOI: 10.7512/j.issn.1001-2303.2021.07.11.
Friction stir welding(FSW) is used to conduct different welding process contrast experiment of 3 mm thick 6005A alloy plate. Through the mechanical tensile,hardness,forward bending,macro metallographic and micro metallogra-phic analysis of the weld position,the optimal welding process is finally determined. Research shows that when the rotational speed of the friction head is 1 200 r·min,-1, and the welding speed is 700 mm ·min,-1,the mechanical tensile fracture occurs near the heat affected zone and the fracture surface shows "necking" phenomenon,the Vickers hardness distribu-tion is W-shaped,and there are small S-lines in the micro-structure. The mechanical value is higher than the standard and better than the other three welding parameters,which meets the production process requirements and provides technical support for the production process.
关键词
6005A铝合金搅拌摩擦焊力学硬度宏观金相微观金相弯曲实验
Keywords
6005A aluminum alloyfriction stir weldingmechanicshardnessmacro metallographicmicro metallographicbending test