Coated SiC reinforcements and composites containing same
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United States of America Patent
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Oct 11, 1994
Grant Date -
N/A
app pub date -
Jun 27, 1990
filing date -
Jun 27, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The subject invention relates to a coated reinforcement material comprising a SiC-based reinforcement having a rare earth boride coating preferably of the general formula: R.sub.x B.sub.1-x wherein R is selected from the group consisting of Y, Sc, Gd, Tb, Dy, Ho, Er and combinations thereof; and x is from about 0.05 to about 0.66. The invention further relates to a high strength, high temperature performance composite comprising a SiC-based reinforcement material having a coating comprising a rare earth boride, said coated reinforcement material disposed in a metal matrix material.
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