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陈志国,任杰克,张纪帅,陈继强,黄裕金,方 亮.AgSnO2触点涂层的组织与性能[J].稀有金属材料与工程(英文),2017,46(12):3858~3861.[.Microstructure and Properties of AgSnO2 Contact Materials Prepared by Cold Spray[J].Rare Metal Materials and Engineering,2017,46(12):3858~3861.]
Microstructure and Properties of AgSnO2 Contact Materials Prepared by Cold Spray
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Received:September 30, 2015  Revised:May 20, 2016
Key words: AgSnO2  Contact materials  Cold spray  Arc erosion
Foundation item:国家自然科学基金资助(项目号51171146)
Chen Zhiguo  Ren Jieke  Zhang Jishuai  Chen Jiqiang  Huang Yujin  Fang Liang
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      Cold spray was used to prepare the AgSnO2 coating on copper substrates with high energy ball milled Ag-SnO2 composite powders. The increased density, migration of Ag-rich phase toward the boundaries of original composite powders and decreased hardness occurred for the cold sprayed coatings during annealing at 850 ℃. It was found by the arcing and electrical contact experiments that there is low and stable contact resistance for the AgSnO2 coating, which can be used in the low voltage apparatus.