Fiber-reinforced metal matrix composites
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United States of America Patent
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Mar 26, 1991
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N/A
app pub date -
Nov 14, 1989
filing date -
Jun 21, 1985
priority date (Note) -
Expired
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Abstract
A metal matrix composite comprises essentially-aligned, fine-diameter inorganic oxide fibers embedded in a metal matrix material such as a light metal, for example aluminium or magnesium or an alloy thereof. In a particular embodiment the fibers are nominally-continuous and preferably are of mean diameter below 5 microns. The composite can be made by liquid infiltration of a fiber preform comprising the fibres bound together with an inorganic or an organic binder or (in the case of short fibers) by extrusion of a mixture, for example a suspension, of the fibers and powdered metal matrix material.
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