Fiber reinforced composite having an aluminum phosphate bonded matrix
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United States of America Patent
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Oct 30, 2001
Grant Date -
N/A
app pub date -
Aug 14, 1989
filing date -
Aug 14, 1989
priority date (Note) -
Expired
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Abstract
A method of forming fiber reinforced aluminum phosphate bonded material having improved strength at elevated temperatures. The method comprises the steps of: (a) preparing a slurry by blending alumina and alumina phosphate solution, the slurry being substantially free of silica; (b) providing a fiber substrate; (c) infiltrating the solution into the fiber substrate; and (d) curing the infiltrated substrate to form a fiber reinforced aluminum phosphate bonded composite material. In a preferred embodiment of the present invention, the fiber substrate is made from SiC fibers.
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