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《Chinese Journal of Materials Research》 2003-02
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Preparation and arc erosion characteristics of new type of AgSnO_2 alloys

XU Aibin WANG Yaping DING Bingjun (Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016 Xi'an Jiaotong University, Xi'an 710049) To whom correspondence should be addressed, Tel:(024)23971872,  
The arc erosion characteristics of a new type of silver tin oxide contact material fabricated by high-energy ball milling, hot pressing and sintering was investigated. The microstructure of the AgSnO2 materials was characterized. The nano-scaled tin oxide particles dispersed evenly inside silver grains. The molten droplets in the new type contact material decrease obviously and thermal cracks are inhibited on the contact surface, indicating that the silver tin oxide contacts exhibit less arc erosion.
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