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

author：

Liu, X. (Liu, X..) ^[1] | Feng, X. (Feng, X..) ^[2] | Fei, H. (Fei, H..) ^[3]

Indexed by：

Scopus

Abstract：

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.

Keyword：

Automobile lamp load; Contact material; Ductile fracture; Welding

Community：

[ 1 ] [Liu, X.]Dept. of Electrical Engineering, Fuzhou University, Fuzhou, 350002, China
[ 2 ] [Feng, X.]Dept. of Electrical Engineering, Fujian Province Engineering Inst., Fuzhou, China
[ 3 ] [Fei, H.]Dept. of Electrical Engineering, Fuzhou University, Fuzhou, 350002, China

Reprint 's Address：

[Liu, X.]Dept. of Electrical Engineering, Fuzhou University, Fuzhou, 350002, China

Email：

liuxj@fzu.edu.cn

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Source ：

Electrical Contacts, Proceedings of the Annual Holm Conference on Electrical Contacts

ISSN： 0361-4395

Year： 2003

Page： 145-149

Language： English

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