metallurgical

The feasibility of inner crack intercritieal heat treatmemt in hypoeutectoid steel was analysed in detail by metallurgical principle.

利用金属学原,了亚共钢内裂纹亚温愈合处的可行性。

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。