Research on Anti-Welding Ability in Air and Vacuum of Nano-AgSnO2 Contacts
To study the anti-welding ability of Nano-AgSnO2 contacts, electrical endurance tests are conducted with nanocrystal AgSnO2 (Nano-AgSnO2) contacts in air and in vacuum under the condition of 28V/10A.The experimental results show the anti-welding ability of Nano-AgSnO2 contacts in air is better than that in vacuum.In order to clarify the causes leading to this phenomenon, analyses of changes of the surfare composition as well as surface appearance have been performed with Field Emission Scanning Electron Microscopy (FESEM).The results indicate that element O decreases largely over the welding area of the contact in vacuum, compared with that of the contact surface in air.As a result, AgSn comes into being on the surface of the contacts, whose anti-welding ability is worse than AgSnO2.This may be the main reason leading to that the anti-welding ability of Nano-AgSnO2 contacts in vacuum is worse than that in air.
Nano-material AgSnO2 Anti-welding ability
Qian wang Jinyou Liu Xiaocheng Yang Laijun Zhao Xiwen Huang Zhenbiao Li Bingbing Cai Danjiang Wang
State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Guilin Electrical Equipment Scientific Research Institute Co., Ltd., Guilin 541000, China
国际会议
温州
英文
112-118
2014-11-16（万方平台首次上网日期，不代表论文的发表时间）