研究了交流和直流反接两种型式下焊丝金属熔敷率、焊接接头金属组织以及接头的力学性能。
The deposition efficiency of welding wires metal, microstructure and mechanical properties of welded joints were studied.
焊工艺是一种新型的高效、高熔敷率的气体保护焊工艺，本文介绍了它的主要特点及优越性。
E. welding is a new kind of high deposition efficiency welding technology, and the article present its main characteristics and advantages.
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.
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.
结果表明，激光输出功率、扫描速度对熔敷层成形的影响显著，而搭接率的影响程度较小。
The results show that the laser power and scanning speed affect the performance of coating shaping significantly, while overlapping has less influence on shaping.
结果表明，激光输出功率、扫描速度对熔敷层成形的影响显著，而搭接率的影响程度较小。
The results show that the laser power and scanning speed affect the performance of coating shaping significantly, while overlapping has less influence on shaping.
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