Friction stir lap welds of AA6111 aluminum alloy

被引：0
|
作者：
Yadava, M. [1 ]
Mishra, R. S. [1 ]
Chen, Y. L. [1 ]
Gayden, X. Q. [1 ]
Grant, G. J. [1 ]
机构：
[1] Univ Missouri, Ctr Frict Stir Proc Mat Sci & Engn, Rolla, MO 65401 USA
来源：
FRICTION STIR WELDING AND PROCESSING IV | 2007年
关键词：
lap joints; AA6111; lap shear tests; effective thickness; hooking defect;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Lap joints of I mm thick AA6111 aluminum sheets were made by friction stir welding, using robotic and conventional machines. Welds were made for advancing as well as retreating side loading. Thinning in welds was quantified. Lap shear test of welds was conducted in as-welded and paint-baked conditions. Paint bake treatment improved the weld strength; but the improvement varied with process parameters. Advancing side loaded welds achieved higher strength than the retreating side loaded welds. Fracture was found to occur on the loaded side of the weld and along the thinning defect.
引用
收藏
页码：203 / +
页数：2
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