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。
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.
在连续大电流区间获得稳定的熔滴过渡形式才是采用无氦混合气体保护实现高熔敷率MAG焊工艺的核心问题。
It is the key to realizing high deposition rates MAG process with non-helium in shielding-gas mixture to acquire stable metal transfer mode in the region of high continuous current.
解决了连续大电流区间熔滴过渡稳定性问题，实现了无氟混合气体保护的高熔敷率MAG焊工艺。
The stabilization of metal transfer in the range of high continuous current is solved, and the high deposition rates MAG process without helium in shielding-gas mixture is realized.
解决了连续大电流区间熔滴过渡稳定性问题，实现了无氟混合气体保护的高熔敷率MAG焊工艺。
The stabilization of metal transfer in the range of high continuous current is solved, and the high deposition rates MAG process without helium in shielding-gas mixture is realized.
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