Method of making matrix composites
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United States of America Patent
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-
Sep 11, 1990
Grant Date -
N/A
app pub date -
Nov 16, 1988
filing date -
Nov 16, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Matrix composites and especially metal matrix composites are formed by coating a foam with a metal or ceramic to form a continuous structure from which the foam material is removed by pyrolysis. If this structure is composed of a metal it is subjected to treatment to transform the metal to a ceramic and the resulting ceramic structure is then filled with another material such as a matrix metal. The product is then compacted and heat treated if desired. The coating of the foam and the filling of the porous ceramic structure are effected preferably by low temperature arc vapor deposition.
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