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1·Plasma transferred arc produces the induced electromagnetic field that makes liquid metal convect in molten pool in the surface metallurgical course.

在表面冶金过程中等离子束产生感生磁场，使熔池内液态金属产生对流运动。

2·The results show that the microstructure and microhardness of the electroplated coatings are very sensitive to the effective output power for the transferred arc because of its high heat efficiency.

结果表明，由于转移弧热效率较高，试样组织及显微硬度的变化对有效输出功率的变化非常敏感。