Effect of friction stir welding tool design on welding thermal efficiency

被引：11
|
作者：
Li, Hongjun [1 ]
Gao, Jian [1 ]
Li, Qinchuan [1 ]
Galloway, Alexander [2 ]
Toumpis, Athanasios [2 ]
机构：
[1] Zhejiang Sci Tech Univ, Fac Mech Engn & Automat, Xiasha Higher Educ Zone, Hangzhou 310018, Zhejiang, Peoples R China
[2] Univ Strathclyde, Dept Mech & Aerosp Engn, Glasgow, Lanark, Scotland
来源：
SCIENCE AND TECHNOLOGY OF WELDING AND JOINING | 2019年 / 24卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Friction stir welding; heat transfer; FE model; heat insulation; FSW tool; welding thermal efficiency; HEAT-TRANSFER; TEMPERATURE DISTRIBUTION; MECHANICAL-PROPERTIES; MATERIAL FLOW; WORKPIECE; MODEL;
D O I：
10.1080/13621718.2018.1495868
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Enhancing the heat transfer to the material being welded, instead of the tool, will improve the welding thermal efficiency. Friction stir welding of 5 mm thick 6061-T6 aluminium alloy plates was carried out with the newly produced tools. It was found that the thermal efficiency increased by 4.2% using a tool with all the new design features (i.e. hollow, fluted and thermally insulated) compared to the conventional tool for aluminium welding. To assess the benefits of the new tool design on steel FSW, a finite element numerical simulation study was undertaken. In this case, the simulation results yielded a welding thermal efficiency increase of 10-15% using a thermally coated tool, thereby offering potential productivity gains.
引用
收藏
页码：156 / 162
页数：7
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