Polymer-derived ceramic matrix composite components
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United States of America Patent
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May 15, 2001
Grant Date -
N/A
app pub date -
Oct 26, 1998
filing date -
Oct 26, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for rapidly manufacturing 'green-state' ceramic matrix composite components, components made from this method, and a resin/catalyst precursor mixture used in the method. The method includes manufacturing a component by preparing the precursor mixture by mixing a requisite quantity of a polymer-derived ceramic precursor resin, a catalyst, a discontinuous reinforcing fiber and filler material, and then loading this precursor mixture in a preheated mold. The precursor mixture then is cured in the mold to form the component which is porous. Thereafter, the component is reinfilitrated with a resin to at least partially fill the pores of the component. This method yields a ceramic matrix composite component that is cured in approximately one minute as well as a resin/catalyst precursor mixture that can be stored in excess of four weeks.
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