Transactions of Nonferrous Metals Society of China The Chinese Journal of Nonferrous Metals

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中国有色金属学报

ZHONGGUO YOUSEJINSHU XUEBAO

第23卷    第8期    总第173期    2013年8月

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文章编号:1004-0609(2013)08-2213-08
铜基电磁开关触头材料的抗熔焊性能
李 权1,丁 敏2,吴爱萍1,邹贵生1,宋 伟2,李 剑2

(1. 清华大学 机械工程系 先进成形制造教育部重点实验室,北京 100084;
2. 博世汽车部件(长沙)有限公司,长沙 410100
)

摘 要: 自行设计了结构简单、操作方便的电磁开关触头材料抗熔焊性能模拟试验机。通过该试验机,研究纯铜、典型铜合金、铜基复合材料的抗熔焊性能。结果表明:相对于纯铜触头材料,碲铜合金、钨铜复合材料均有较优异的抗熔焊性能;从降低熔焊触头融焊力的角度考虑,触头材料的抗熔焊性能与触头闭合时熔焊区域是否容易形成焊接缺陷有关。研究结果对改善电磁开关触头抗熔焊性能具有重要参考意义。

 

关键字: 铜基材料;电磁开关;触头;抗熔焊性能

Anti-welding performance of copper-based electrical contacts in solenoid switch
LI Quan1, DING Min2, WU Ai-ping1, ZOU Gui-sheng1, SONG Wei2, LI Jian2

1. Key Laboratory for Advanced Materials Processing Technology, Ministry of Education,
Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China;
2. Bosch Automotive Products (Changsha) Co., Ltd., Changsha 410100, China

Abstract:A simulation device of solenoid switch with simple structure and easy operation, was developed to test the anti-welding performance of pure copper, typical copper alloys and copper-based materials. The results show that CuTe alloy and CuW30 composites have better anti-welding performance than pure copper. From the view of decreasing welding force, the anti-welding performances of different copper-based materials are related to the formation of welding defects in the welding zone when the contacts are connected. The results are beneficial to improving the anti-welding performance of electrical contacts in solenoid switch.

 

Key words: copper-based materials; solenoid switch; electrical contacts; anti-welding performance

ISSN 1004-0609
CN 43-1238/TG
CODEN: ZYJXFK

ISSN 1003-6326
CN 43-1239/TG
CODEN: TNMCEW

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