High-strength and high-toughness sinter and process for producin

Details High-strength and high-toughness sinter and process for producin High-strength and high-toughness sinter and process for producin

1988-10-31

1991-02-05

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501 95, C04B 3536

Patent

active

049904701

ABSTRACT:
The high-strength and high-toughness sinter of the present invention comprises a crystal agglomerate maintaining a fibrous shape and composed of crystals of SiC and MC.sub.1-x wherein M is Ti and/or Zr and X is a number of 0 or more but less than 1. This sinter is produced by laminating an inorganic fiber comprising a particular inorganic material containing titanium and/or zirconium molding the laminate into a predetermined shape, and conducting heat-sintering simultaneously with the molding or after the molding in an atmosphere comprising at least one member selected from the group consisting of a vacuum, an inert gas, a reducing gas, and a hydrucoarbon gas at a temperature of 1,700.degree. to 2,200.degree. C.

REFERENCES:
patent: 4101616 (1978-07-01), Buljan et al.
patent: 4336215 (1982-06-01), Yajima et al.
patent: 4387080 (1983-06-01), Hatta et al.

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