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The evaluation of arc erosion on electrical contacts using three-dimensional surface profiles

The evaluation of arc erosion on electrical contacts using three-dimensional surface profiles
The evaluation of arc erosion on electrical contacts using three-dimensional surface profiles
Three-dimensional surface profiling is a useful technique for the evaluation of electrical contact erosion. A review is given of the various methods by which a 3-D surface profile can be measured, and numerical techniques are described which can be used to analyze electrical contacts to define erosion in terms of volume and height changes. Experimental data on the rate of change of mass of Ag-CdO contacts are used to compare with volume and height changes over a number of switching cycles. Emphasis is given to the evaluation of 3-D surface profile in the particular condition where the change of mass of the contacts is nearly zero after a large number of break only switching cycles, and it is shown that in this condition the contacts exhibit volume changes both above and below the datum surface of a new contact.
2156-3950
87-97
McBride, John
d9429c29-9361-4747-9ba3-376297cb8770
Cross, K.J.
6d26e05d-3a5d-40bb-9529-4ce7f0c8320d
Sharkh, Suleiman
c8445516-dafe-41c2-b7e8-c21e295e56b9
McBride, John
d9429c29-9361-4747-9ba3-376297cb8770
Cross, K.J.
6d26e05d-3a5d-40bb-9529-4ce7f0c8320d
Sharkh, Suleiman
c8445516-dafe-41c2-b7e8-c21e295e56b9

McBride, John, Cross, K.J. and Sharkh, Suleiman (1996) The evaluation of arc erosion on electrical contacts using three-dimensional surface profiles. IEEE Transactions on Components Packaging and Manufacturing Technology, 19 (1), 87-97. (doi:10.1109/95.486567).

Record type: Article

Abstract

Three-dimensional surface profiling is a useful technique for the evaluation of electrical contact erosion. A review is given of the various methods by which a 3-D surface profile can be measured, and numerical techniques are described which can be used to analyze electrical contacts to define erosion in terms of volume and height changes. Experimental data on the rate of change of mass of Ag-CdO contacts are used to compare with volume and height changes over a number of switching cycles. Emphasis is given to the evaluation of 3-D surface profile in the particular condition where the change of mass of the contacts is nearly zero after a large number of break only switching cycles, and it is shown that in this condition the contacts exhibit volume changes both above and below the datum surface of a new contact.

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Published date: March 1996

Identifiers

Local EPrints ID: 21124
URI: http://eprints.soton.ac.uk/id/eprint/21124
ISSN: 2156-3950
PURE UUID: c89421e0-b34d-46ca-970c-ce651e9e31d0
ORCID for John McBride: ORCID iD orcid.org/0000-0002-3024-0326
ORCID for Suleiman Sharkh: ORCID iD orcid.org/0000-0001-7335-8503

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Date deposited: 03 Nov 2006
Last modified: 16 Mar 2024 02:48

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Contributors

Author: John McBride ORCID iD
Author: K.J. Cross
Author: Suleiman Sharkh ORCID iD

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