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焊接顺序对镁合金角焊缝残余应力和变形的影响 被引量:5

Effect of welding sequence on residual stress and deformation of magnesium alloy fillet welds
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摘要 为了获得焊接顺序对镁合金角焊缝焊接应力分布及变形影响规律,采用MSC.mar软件,建立了DE-GMAW修正高斯热源模型,对镁合金角焊缝进行焊接温度场、应力场数值模拟分析。结果表明:由筒体首部向尾部方向焊接角焊缝一侧,再进行反方向焊接另一侧角焊缝的焊接顺序的焊接残余变形与焊后横向残余应力最适宜。研究结果为控制镁合金角焊缝焊接残余应力和变形提供了理论支撑。
出处 《金属加工(热加工)》 2020年第2期59-62,共4页 MW Metal Forming
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