Wear-resistant material, puffer cylinder, and puffer-type gas circuit breaker
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United States of America Patent
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Mar 28, 2017
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app pub date -
Jun 17, 2014
filing date -
Jun 18, 2013
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Abstract
The present invention includes a wear-resistant material including: a base material formed of pure aluminum or an aluminum alloy having a finely asperity structure on a surface thereof; and a coat including a hydrated oxide coat of aluminum, the coat being formed on the surface of the base material. Further, the present invention including a puffer cylinder including: a finely asperity structure on an inner-wall surface thereof; and a coat including a hydrated oxide coat of aluminum, the coat being formed on the inner-wall surface of the puffer cylinder. The present invention also includes a puffer-type gas circuit breaker includes the above puffer cylinder.
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