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首页> 外文会议>International Conference on Manufacturing Science and Engineering >Influence of Friction Stir Welding Process on the Weld Formation and Tensile Strength of Titanium and Aluminum Dissimilar Alloys Welded Joint
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Influence of Friction Stir Welding Process on the Weld Formation and Tensile Strength of Titanium and Aluminum Dissimilar Alloys Welded Joint

机译：摩擦搅拌焊接工艺对钛和铝异种合金焊接接头焊接和拉伸强度的影响

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摘要

Titanium alloy TC1 and Aluminum alloy LF6 were jointed by friction stir welding (FSW), and the influence of process parameters on formation of weld surface, cross-section morphology and tensile strength were studied. The results show that, Titanium and Aluminum dissimilar alloy is difficult to be joined by FSW, and some defects such as cracks and grooves are easy to occur. When the rotational speed of stir head(n) is 750r/min and 950r/min, the welding speed(v) is 118mm/min or 150mm/min, a good formation of weld surface can be obtained, but the bonding of titanium/aluminum interface in the cross-section of weld joint is bad when n is 750r/min which results in a low strength joint. When n is 950r/min and v is 118mm/min, the strength of the FSW joint of Titanium/Aluminum dissimilar materials is 131MPa which is the highest．
机译：钛合金TC1和铝合金LF6通过摩擦搅拌焊接（FSW）连接，研究了工艺参数对焊接表面形成，横截面形态和拉伸强度的影响。结果表明，FSW难以加入钛和铝不同合金，易于发生诸如裂缝和凹槽的一些缺陷。当搅拌头（n）的转速为750r / min和950r / min时，焊接速度（v）为118mm / min或150mm / min，可以获得良好的焊接表面形成，但钛/当N为750r / min时，焊接接头横截面中的铝接口差，这导致低强度接头。当n为950r / min和v为118mm / min时，钛/铝异种材料的FSW接头的强度为131MPa，最高。

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