Abstract: The mechanical alloying is an excellent technology of alloying in solid state witch has good prospects and has been applied successfully to produce nano-crystalline ultrafine grain dispersion strengthened materials,magnetic materials,superconducting materials and nano-crystalline materials. The development and process of mechanical alloying to produce nano-crystalline ultrafine grain materials and the mechanical,magnetic and deposited hydrogen properties of the materials are presented in this paper.

Key words: Mechanical Alloying, Nano-Crystalline Material, Producing, Properties

摘要： 机械合金化是一种很有发展前景的固态合金化方法 ,已成功地应用于制备纳米级超细晶弥散强化材料、磁性材料、超导材料、纳米晶材料等。介绍了机械合金化技术制备纳米级超细晶材料的发展及其工艺过程以及采用该技术制备的纳米级超细晶材料的力学性能、磁性能和储氢性能。

关键词: 机械合金化, 纳米晶材料, 制备, 性能