Investigations of the Mechanical and Microstructural Effects of Pinless Tool Geometry on Friction Stir Spot Welding Process

被引：0
|
作者：
Hande Güler Özgül
Orhan Dedeoğlu
机构：
[1] Uludag University,Department of Automotive Engineering, Faculty of Engineering
[2] Uludag University,Department of Automotive Engineering, Graduate School of Natural and Applied Sciences
来源：
Transactions of the Indian Institute of Metals | 2020年 / 73卷
关键词：
Friction stir spot welding; Aluminum alloys; Hardness; Shear force;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this study, mechanical properties, macrostructure and microstructure of the friction stir spot weld joints were investigated under the influence of pinless tool geometry and different rotation speed parameters (1350, 1850 and 2530 rpm) using Al5754 plates. Tensile shear strength tests were carried out for joints of different process parameters, and fracture surfaces were inspected by scanning electron microscopy; in addition, fracture modes of the joints were also evaluated. According to the results, the maximum strength values were obtained at 1850 rpm rotation speed, and ductile and brittle fractures were observed together.
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页码：2281 / 2289
页数：8
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