研究了45钢脉冲磁处理过程中残余拉应力与磁致振动之间的相互作用关系。
The relationship between magneto-vibration and magnetic treatment induced tensile residual stress reduction in the steel 45 was studied.
本文利用高速摄影机和示波器研究了钢焊丝熔化极脉冲焊的各种熔滴过渡形式，试验是在平焊和仰焊位置进行的。
In this paper various metal transfer modes in the pulse MIG welding with steel electrode are studied by means of high speed cine camera and oscillograph.
研究了45钢在脉冲电场作用下淬火的新工艺。
The new technics of 45 steel quenching under pulse electric field was studied.
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