机械合金化方法制备银镍触头合金的研究

稀有金属材料与工程, 2003, 32(4): 298-300.

机械合金化方法制备银镍触头合金的研究

罗群芳 ^1, , 刘丽琴 ^2, , 王亚平 ^3, , 丁秉钧 ^4,

1.西安交通大学,陕西,西安,710049

2.西安交通大学,陕西,西安,710049

3.西安交通大学,陕西,西安,710049

4.西安交通大学,陕西,西安,710049

基金项目: 国家自然科学基金(50071043)

关键词：机械合金化 , 热压 , 电接触

Preparation of Silver- Nickel Contact Materials by Mechanical Alloying

采用机械合金化和热压方法制备Ag90Ni10及Ag70Ni30触头合金.机械合金化过程中形成Ni固溶于Ag基体的过饱和固溶体,热压时从银固溶体基体上析出弥散细小的镍强化相.与传统粉末冶金相比,组织更为弥散、细小、均匀.

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