Investigation on Intermittent Failure Phenomenon of Electrical Connectors Under Repetitive Mechanical Insertion and Withdrawal Operations

被引：4
作者：
Meng, Yuan [1 ,2 ]
Ren, Wanbin [1 ,2 ]
Zhang, Chao [1 ,2 ]
机构：
[1] Harbin Inst Technol, Sch Elect Engn & Automat, Harbin 150001, Peoples R China
[2] Harbin Inst Technol, Sch Instrumentat Sci & Engn, Harbin 150001, Peoples R China
来源：
IEEE TRANSACTIONS ON COMPONENTS PACKAGING AND MANUFACTURING TECHNOLOGY | 2022年 / 12卷 / 09期
基金：
中国国家自然科学基金;
关键词：
Dynamic contact resistance; electrical connector; intermittent failure; wear; FRETTING CORROSION; CONTACT RESISTANCE; VIBRATION; TEMPERATURE; FREQUENCY; RELIABILITY; AMPLITUDE; BEHAVIOR; FAULT;
D O I：
10.1109/TCPMT.2022.3198107
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Electrical connectors play an indispensable role in electrical and electronic systems. The frequently occurred intermittent failure events seriously affect the reliability of application systems. In this article, the repetitive mechanical insertion and withdrawal experiment of electrical connector is carried out by using our designed test rig and the intermittent failure phenomena recurs. The typical waveforms of contact resistance and force during the mating operation are presented. The variation laws of static contact resistance and dynamic contact resistance under intermittent failure condition are counted and analyzed. And the dynamic contact resistance is proven to be a suitable sensitive parameter to characterize the intermittent failure event. Based on the mathematical model, variation of surface morphology, and element analysis, the failure mechanism of electrical connectors under repetitive operation is proposed.
引用
收藏
页码：1533 / 1541
页数：9
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