Ceramic-ceramic composite prepregs and methods for their use and preparation
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United States of America Patent
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Mar 7, 1995
Grant Date -
N/A
app pub date -
Nov 9, 1989
filing date -
Nov 9, 1989
priority date (Note) -
Expired
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Abstract
Prepregs for producing ceramic-ceramic composite articles are prepared by impregnating a ceramic substrate with a liquid ceramic precursor material. By properly controlling the viscosity of the precursor material and the conditions of application of the precursor to the substrate, a prepreg which can retain the precursor may be obtained. The prepreg is suitable for shaping into a wide variety of geometries, and the ceramic precursor may be transformed into the corresponding ceramic matrix material by curing and conversion steps.
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