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Proceedings Paper

Performance Of In-Situ Copper Alloys As Electrodes In High Current, High Energy Switches
Author(s): A. L. Donaldson; F. M. Lehr; M. Kristiansen
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Paper Abstract

The thermal loading of high current, high energy opening and closing switches require electrode materials which have superior high temperature strength and thermal conductivi-ty. A recently developed class of copper alloys, called in-situ materials', such as Cu-Nb, Cu-Ta, and Cu-W, provide these char-acteristics. In addition, our recent tests have verified that the addition of LaB6 to Cu and CuW composite materials improved their performance. Results are given for several of these material combinations in both stationary and moving arc closing switches. Performance is evaluated using figures of merit derived from thermal considerations.

Paper Details

Date Published: 6 April 1988
PDF: 7 pages
Proc. SPIE 0871, Space Structures, Power, and Power Conditioning, (6 April 1988); doi: 10.1117/12.943673
Show Author Affiliations
A. L. Donaldson, Texas Tech University (United States)
F. M. Lehr, Texas Tech University (United States)
M. Kristiansen, Texas Tech University (United States)


Published in SPIE Proceedings Vol. 0871:
Space Structures, Power, and Power Conditioning
Raymond F. Askew, Editor(s)

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