Welding characteristics of Ag-based contact material under automobile lamp load

被引：10
|
作者：
Liu, XJ [1 ]
Xiao, F [1 ]
Fei, HJ [1 ]
机构：
[1] Fuzhou Univ, Dept Elect Engn, Fujian 350002, Peoples R China
来源：
PROCEEDINGS OF THE FORTY-NINTH IEEE HOLM CONFERENCE ON ELECTRICAL CONTACTS | 2003年
关键词：
contact material; welding; automobile lamp load; ductile fracture;
D O I：
10.1109/HOLM.2003.1246490
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The welding characteristics of different contact pairs, which are made up of AgNi10, AgNi0.15 or AgSnO2, under automobile lamp load are investigated. The appearance of contact surfaces and composition distributing over the welding area are studied by means of scanning electron microscope and electron probe. The results have shown that the welding area consists of melting area and welding points. The welding points distribute over the melting area. The rupture mode of welding points is ductile fracture and the fractured surfaces are characterized by a heavily dimpled appearance. The composition of welding points is almost the same as that of anode material for the asymmetrical pairs. The welding performance is influenced significantly by anode material.
引用
收藏
页码：145 / 149
页数：5
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