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

Swingler, J. and McBride, J.W. (1996) The erosion and arc characteristics of Ag/CdO and Ag/SnO2 materials under DC break conditions. IEEE Transactions on Components, Packaging, and Manufacturing Technology, Part A, 19, (3), 404-415. (doi:10.1109/95.536842).


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Break operation studies have been conducted upon Ag/CdO and Ag/SnO 2 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 arc and erosion characteristics of break only operations. The Ag/CdO contacts exhibit lower erosion than Ag/SnO2 contacts under these controlled conditions.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1109/95.536842
ISSNs: 1521-3331 (print)
Related URLs:
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
T Technology > TA Engineering (General). Civil engineering (General)
Q Science > QC Physics
Divisions : University Structure - Pre August 2011 > School of Engineering Sciences
ePrint ID: 21272
Accepted Date and Publication Date:
September 1996Published
Date Deposited: 17 Nov 2006
Last Modified: 31 Mar 2016 11:39

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