Process for preparation of metal carbide fibers

Details Process for preparation of metal carbide fibers Process for preparation of metal carbide fibers

1992-02-18

1995-07-04

Nelson, Peter A.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Filaments

264 297, 264 66, 2642108, 26421114, D01F 912, D01D 512

Patent

active

054297788

ABSTRACT:
A process for forming a metal or non-metal carbide fiber comprising the steps of stabilizing a fiber comprising a carbon forming polymer and a metal or non-metal oxide or a mixture of more than 50% by weight of said oxide and a metal or non-metal to form a stabilized fiber; carbonizing the stabilized fiber to form a fiber comprising carbon and a metal or non-metal oxide or a mixture of said oxide and a metal or non-metal; reacting the carbon and metal or non-metal oxide or mixture of said oxide and metal or non-metal to form a fiber comprising a metal or non-metal carbide; and sintering the fiber comprising said metal or non-metal carbide to form a fiber having a density of greater than about 70% of the theoretical density of said metal or non-metal carbide.

REFERENCES:
patent: 4124665 (1978-11-01), Petersen et al.
patent: 4126652 (1978-11-01), Oohara et al.
patent: 4897229 (1990-01-01), Sawaki et al.
patent: 4904424 (1990-02-01), Johnson

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