Connection piece made of a composite of graphite and carbon-fiber-reinforced carbon and method of manufacturing the connection piece
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United States of America Patent
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Nov 24, 2015
Grant Date -
Sep 20, 2012
app pub date -
Apr 23, 2012
filing date -
Oct 23, 2009
priority date (Note) -
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Abstract
A connection piece for connecting graphite electrodes contains at least one region made of graphite and at least one region made of carbon-fiber-reinforced carbon. The graphite contains less than 10 mass-% of fibers and the carbon-fiber-reinforced carbon contains more than 20 mass-% of carbon fibers. The connection piece preferably contains a graphite body in the shape of a cylinder or a bi-cone. There is a plurality of groove-shaped recesses in the graphite body which are filled with the material made of carbon-fiber-reinforced carbon having a percent by weight of carbon fibers of more than 20 mass-%.
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