shaped fibrous materials for fiber-reinforced metals

Details shaped fibrous materials for fiber-reinforced metals shaped fibrous materials for fiber-reinforced metals

1992-05-27

1994-11-29

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Refractory

501126, 501127, 501153, 264 56, 264 87, 264DIG19, 428688, 4289088, C04B 3502, C04B 3508

Patent

active

053690648

ABSTRACT:
This invention relates to a shaped fibrous material for use in the manufacture of fiber-reinforced metals comprising a uniform mixture of ceramic fibers and aluminum borate whiskers. The invention also relates to a method for producing the shaped fibrous material comprising the steps of dispersing ceramic fibers and aluminum borate whiskers in a suitable solvent containing a binder to form a slurry, transferring the slurry into a suction molding, aspirating and dehydrating the slurry to form a shaped dehydrated fibrous material, and drying and firing the shaped dehydrated fibrous material to obtain the shaped fibrous material. The shaped fibrous material can be cast efficiently into a fiber-reinforced metal with a high yield. The thus produced fiber-reinforced metal has a high wear resistance combined with a very mild nature of attacking the mating member.

REFERENCES:
patent: 3785838 (1974-01-01), Weidman
patent: 3795524 (1974-03-01), Sowman
patent: 4737326 (1988-04-01), Wirth et al.
CA117(22):217580h Suganuma et al., "Nickel-Aluminum Matrix Composites Reinforced with Aluminum Particle/Fiber", Compos., Proc. Int. Conf. Compos. Mater., 8th Edition, vol. 3, 23E/1-23E/11, 1991.

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