The erosion and arc characteristics of Ag/CdO and Ag/SnO2 contact materials under DC break conditions

被引：59

作者：

Swingler, J ^{[1
]}

McBride, JW ^{[1
]}

机构：

[1] UNIV SOUTHAMPTON,DEPT ELECT ENGN,SOUTHAMPTON SO17 1BJ,HANTS,ENGLAND

来源：

IEEE TRANSACTIONS ON COMPONENTS PACKAGING AND MANUFACTURING TECHNOLOGY PART A | 1996年 / 19卷 / 03期

关键词：

DC erosion; silver metal oxide contacts;

D O I：

10.1109/95.536842

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Break operation studies have been conducted upon Ag/CdO and Ag/SnO2 contact materials under dc conditions between 1-16 a. The apparatus used allows contact materials to be continually tested with a controlled break velocity. Results are presented on erosion data in terms of mass transfer. Surface analysis methods are used, scanning electron micrographs reveal distinct structures and areas on the contact surface, and elemental analysis (EDS) shows migration of metal species with current. The metal-oxide used in the contact is shown to influence the are and erosion characteristics of break only operations. The Ag/CdO contacts exhibit loser erosion than Ag/SnO2 contacts under these controlled conditions.

引用

页码：404 / 415

页数：12

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