EXPERIMENTAL INVESTIGATION OF DOUBLE SIDE FRICTION STIR WELDING (FSW) ON HIGH DENSITY POLYETHYLENE BLANKS

被引:0
作者
Saeedy, S. [1 ]
Givi, M. K. Besharati [1 ]
机构
[1] Univ Tehran, Dept Mech Engn, Fac Engn, Tehran, Iran
来源
PROCEEDINGS OF THE ASME 10TH BIENNIAL CONFERENCE ON ENGINEERING SYSTEMS DESIGN AND ANALYSIS, 2010, VOL 4 | 2010年
关键词
Friction stir welding; Polyethylene Blanks; Double side; TOOL;
D O I
暂无
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
The effect of double side technique in friction stir welding of polyethylene blanks has been studied. Experiments have been designed and analyzed with the full factorial method. The process parameters were rotation speed and tool tilt angle. The optimum welding condition has been determined. It has been demonstrated that double side FSW can improve the weld quality by decreasing the problem of stress concentration in the root of the joint. By applying this technique, 80% of the base material strength is achieved. Considerable reduction in elongation and toughness of the seam weld is due to crystallinity changes of the weld zone which are indicated in the DSC test results.
引用
收藏
页码:845 / 848
页数:4
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