给出金属板在高密度电流脉冲下裂纹尖端电流集肤效应和急剧发热升温解析的边界元法。
Concerns BEM (boundary element method) of electric current concentrating effect and temperature rising analysis at the crack tip with high density electric pulse.
将H59双相多晶黄铜冷轧变形后，进行高密度脉冲电流处理。
High current density electropulsing was applied to a cold-worked H59 brass.
结果表明，高密度脉冲电流可以显著细化其凝固组织。
Experimental results show that the solidification structure can be remarkably refined by the application of the higher density pulsed current.
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