Metal matrix coated fiber composites and the methods of manufacturing such composites
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United States of America Patent
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Sep 14, 1993
Grant Date -
N/A
app pub date -
Jan 27, 1989
filing date -
Jan 27, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A fiber coating which allows ceramic or metal fibers to be wetted by molten metals is disclosed. The coating inhibits degradation of the physical properties caused by chemical reaction between the fiber and the coating itself or between the fiber and the metal matrix. The fiber coating preferably includes at least a wetting layer, and in some applications, a wetting layer and a barrier layer between the fiber and the wetting layer. The wetting layer promotes fiber wetting by the metal matrix. The barrier layer inhibits fiber degradation. The fiber coating permits the fibers to be infiltrated with the metal matrix resulting in composites having unique properties not obtainable in pure materials.
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