In this paper, the mechanisms, processing and characteristic of mechanical alloying (ma) are briefly reviewed, and the progresses of the electrical contact materials prepared by ma is described.
介绍了机械合金化技术的基本原理、工艺过程及其特点，阐述了机械合金化(ma)制备电触头材料的研究进展。
Bulk electrical switches suitable for prefabricated copper and aluminum bus industry, with flat curved, vertical bending, punching, shearing, press Ma, flattening, bending and so on.
适合用于电气开关行业批量预制铜铝母线，具有平弯、立弯、冲孔、剪断、压麻点、矫平、弯管等功能。
Bulk electrical switches suitable for prefabricated copper and aluminum bus industry, with flat curved, vertical bending, punching, shearing, press Ma, flattening, bending and so on.
适合用于电气开关行业批量预制铜铝母线，具有平弯、立弯、冲孔、剪断、压麻点、矫平、弯管等功能。
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