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

The erosion and arc characteristics of Ag/CdO and Ag/SnO2 materials under DC break conditions
The erosion and arc characteristics of Ag/CdO and Ag/SnO2 materials under DC break conditions
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.
1521-3331
404-415
Swingler, J.
c6e2a49e-fadd-4f38-99f7-0ee1e2c92fac
McBride, J.W.
d9429c29-9361-4747-9ba3-376297cb8770
Swingler, J.
c6e2a49e-fadd-4f38-99f7-0ee1e2c92fac
McBride, J.W.
d9429c29-9361-4747-9ba3-376297cb8770

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 and Packaging Technologies, 19 (3), 404-415. (doi:10.1109/95.536842).

Record type: Article

Abstract

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.

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Published date: September 1996

Identifiers

Local EPrints ID: 21272
URI: http://eprints.soton.ac.uk/id/eprint/21272
ISSN: 1521-3331
PURE UUID: e4d55243-1e44-4ceb-b395-3f21cfe96f71
ORCID for J.W. McBride: ORCID iD orcid.org/0000-0002-3024-0326

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Date deposited: 17 Nov 2006
Last modified: 16 Mar 2024 02:37

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Contributors

Author: J. Swingler
Author: J.W. McBride ORCID iD

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