D - Textiles – Paper – 01 – F
Patent
D - Textiles, Paper
01
F
18/6
D01F 9/12 (2006.01) C04B 35/80 (2006.01) C04B 35/83 (2006.01)
Patent
CA 1161214
Abstract of the Disclosure A carbon composite article and the method of making the article wherein selected carbon fibrous materials are formed into a basic starting substrate having a volume greater than the desired volume of the' finished article. Very small amounts of a carbonaceous- binder material are used to bond the fibrous materials together at a multiplicity of bonding sites. The basic substrate is then subjected to controlled temperatures and pressures to form a shaped substrate characterized by having a high degree of open porosity, a predetermined shape and structural integrity sufficient to withstand subsequent substrate processing The carbonaceous binder is applied to the fibrous material in a manner whereby substantial encapsulation of the individual fibers is avoided so that the portions of the fibers disposed inter- mediate the bonding sites are free to move to accomodate and effectively distribute stresses which may be generated within the substrate due to material shrinkage or other process related causes. The shaped substrate is then partially or fully densified in a freestanding config- uration by chemical vapor deposition of pyrolytic materials interstitially of the substrate.
353838
Baldelli Gary
Leeds Donald H.
Mitchell Robert W.
Goodrich (b.,f.) Company (the)
Swabey Mitchell
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