Process for producing composite material combining a magnesium alloy containing zirconium with a carbon reinforcement
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United States of America Patent
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Jan 6, 1998
Grant Date -
N/A
app pub date -
Apr 26, 1996
filing date -
Sep 10, 1992
priority date (Note) -
Expired
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Abstract
The invention relates to a composite material combining a magnesium alloy containing zirconium with a carbon reinforcement, as well as to its production process. According to the invention, such a composite material is prepared by the infiltration of a reinforcement formed from graphite or carbon fibres by a liquid magnesium alloy containing 0.3 to 1% by weight zirconium at a temperature of 650.degree. to 850.degree. C. Under these conditions, on said fibres is formed a zirconium carbide layer containing magnesium in solid solution and e.g. complying with the formula ZrC.sub.x Mg.sub.y with 0.3
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