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Experimental research and process parameter optimization of high-speed friction stir welding
The International Journal of Advanced Manufacturing Technology ( IF 2.9 ) Pub Date : 2021-06-11 , DOI: 10.1007/s00170-021-07369-9
Hepeng Jia , Kai Wu , Yu Sun , Fengfeng Hu , Yongyong Lin , Huade Zhang

The high-speed welding of friction stir welding can improve the production efficiency of the equipment. The orthogonal experiment method was used to study the high-speed welding process parameters of aluminum alloy. The mechanical properties of welded joints were tested, and the influence of process parameters on welding quality was analyzed. A data collection platform was designed, and the spindle axial force of the spindle and the three-directional force of the worktable were collected during the welding process. The relationship between the process force and process parameters was studied. From the perspective of macroscopic metallography, the causes of welding defects and the influence of process parameters are studied. The research results show that the mechanical properties of the welded joint are optimal and meet the requirements of welding quality when the process parameters are the tool rotational speed of 5000 rpm, the welding speed of 3000 mm/min, and the plunge depth of 0.25 mm.



中文翻译:

高速搅拌摩擦焊实验研究及工艺参数优化

搅拌摩擦焊的高速焊接可以提高设备的生产效率。采用正交试验法研究铝合金高速焊接工艺参数。对焊接接头的力学性能进行了测试,分析了工艺参数对焊接质量的影响。设计了数据采集平台,采集了焊接过程中主轴的主轴轴向力和工作台的三向力。研究了工艺力与工艺参数之间的关系。从宏观金相学角度,研究了焊接缺陷产生的原因和工艺参数的影响。

更新日期:2021-06-11
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