Shaped bodies containing short inorganic fibers

Details Shaped bodies containing short inorganic fibers Shaped bodies containing short inorganic fibers

C - Chemistry, Metallurgy

04

B

C04B 35/80 (2006.01) B22D 19/14 (2006.01) C04B 30/02 (2006.01) C04B 41/53 (2006.01) C04B 41/72 (2006.01) C08K 7/02 (2006.01) C08L 91/06 (2006.01) C22C 47/06 (2006.01) C22C 47/08 (2006.01) C22C 49/00 (2006.01) C22C 49/06 (2006.01)

Patent

CA 2047739

2047739 9009461 PCTABS00001 A fiber-organic composition includes from about 5% to 50% by volume of uniformly dispersed, non-planar or three dimensionally random oriented inorganic fibers or whiskers, and a thermoplastic material such as paraffin wax. The composition also includes surfactants to promote wetting and dispersion of the inorganic fibers or whiskers. These materials are subjected to high shear mixing to form a uniform randomly oriented three-dimensional dispersion of the inorganic fibers or whiskers. After molding the mixture in such a manner so as not to disrupt the uniform, three-dimensional orientation of the fibers or whiskers, a majority of the thermoplastic material is removed leaving a shaped body or preform having sufficient strength for handling. The shaped body or preform can then be infiltrated with molten metal or the like to form a metal matrix composite.

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