Equations of heat generation during friction stir welding for tapered polygonal tools

被引：9
|
作者：
Al Bhadle, Basim M. A. [1 ,2 ]
Al Azzawi, Rafat A. A. [1 ,2 ]
Thornton, R. [1 ]
Beamish, K. [3 ]
Shi, S. [3 ]
Dong, H. B. [1 ]
机构：
[1] Univ Leicester, Dept Engn, Univ Rd, Leicester LE1 7RH, Leics, England
[2] Middle Tech Univ, Tech Engn Coll Baghdad, Baghdad, Iraq
[3] TWI Ltd, Cambridge, England
来源：
SCIENCE AND TECHNOLOGY OF WELDING AND JOINING | 2019年 / 24卷 / 02期
关键词：
Friction stir welding (FSW); heat generation; taper tools; taper tool factors; PIN PROFILE; INPUT; TEMPERATURE;
D O I：
10.1080/13621718.2018.1495407
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Owing to the complex nature of heat generation in friction stir welding, equations are required to understand the effect of process parameters and tool geometry on heat generation. In this study, simplified equations for straight tool profiles have been extended to treat tapered tool profiles for triangular, square, pentagonal and hexagonal geometries. New equations have been implemented to model heat generation in a finite element software package for welding aluminium alloy. The calculated thermal profiles agree better with experimental data than those calculated using the simplified equations. It was also demonstrated that the amount of heat generation increases with increasing number of flats on the tapered tool profile, with a hexagonal tapered tool profile generating the highest temperature.
引用
收藏
页码：93 / 100
页数：8
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