Taking the He-Ar mixed gas as protected atmosphere, TIG welding process parameters for AZ31 magnesium alloy plates was optimized by using the method of the orthogonal experiment and variance analysis.
以氦-氩混合气体为保护气氛，采用正交试验和方差分析的方法，对AZ31镁合金板材进行了TIG焊工艺参数的优化。
The He-Ar mixed gas TIG welding for AZ31 magnesium alloy plate by was carried out. The surface of observed joint is smooth free from heap high and appearance defects.
在氦-氩混合气体保护条件下，对AZ31 镁合金板材进行了TIG 焊接，获得了表面光滑、无堆高和无变形等缺陷的焊缝。
The mixed gas metal arc welding process is used for the first time by DFEM in the discharge chamber of the hydraulic turbine exported to Syria's Tishrin.
东方电机股份有限公司首次采用混合气体熔化极气体保护焊焊接水轮机转轮室，并且在出口叙利亚的迪什林水轮机中应用。
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