The part of a metal that is not melted during cutting, brazing, or welding, but whose microstructure and physical properties are altered by these processes.

在经过切割、铜焊、焊接后，金属中没有熔融的部分，但其微观结构和物理特性已被改变。

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By a method of recording of welding currents and time, the information of joint microstructure and properties can be gained according to the welding time with different currents.

利用微机检测焊接电流和时间，运用统计方法获得在不同焊接电流区间的焊接时间，间接给出焊接接头组织性能的状态。

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This papers using experiment and theory studies and discusses dose of explosive welding, microstructure of interface wave and mechanical properties relation of explosive clad plates.

本论文从实验和理论两个方面对爆炸焊接装药量与界面波的组织形状及复合板力学性能间的关系进行了研究和探讨。

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