一种新型Ag-SnO_2触头材料的制备及对性能的影响  

Preparation of New Ag-SnO_2 Contact Material and Its Effectson the Material's Properties

作　　者：周兆锋[1] 甘卫平[1] 林炳[1] 

机构地区：[1]中南大学材料科学与工程学院,湖南长沙410083

出　　处：《稀有金属与硬质合金》2004年第3期22-24,共3页Rare Metals and Cemented Carbides

摘　　要：采用化学共沉淀法和粉末热锻相结合的工艺,研制出新型的Ag-SnO2触头材料,并对其组织结构进行了观察分析,同时还测试了材料的密度、硬度、电阻率等物理性能。The new AgSnO_2 contact material is developed by chemical co-precipitation and powder hot forging.Analysis and testing is made of its structure and physical properties such as density,hardness and resistivity,etc.

关 键 词：Ag—SnO2触头材料 化学共沉淀 粉末热锻 

分 类 号：TM241[一般工业技术—材料科学与工程]