Reaction sintered multiphase ceramic

Details Reaction sintered multiphase ceramic Reaction sintered multiphase ceramic

1982-12-30

1986-08-12

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501 96, 501 97, 501 98, C04B 3556, C04B 3558

Patent

active

046056335

ABSTRACT:
Ceramic body formed by reaction sintering at pressures ranging from subatmospheric to superatmospheric of admixed and shaped reactants, which can be elements, compounds, intermetallic compounds and/or alloys, in stoichiometric proportions to substantially form 5-95 mole percent of nitride phase or phases of one or both of Al and Si, and 5-95 mole percent of second phase or phases being boride, carbide, silicide and/or sulfide of one or more of elements of Groups 3b including lanthanide and actinide series elements, 4b, 5b and 6b, which phases have a maximum grain size substantially not greater than 10 .mu.m and which body contains 0 to 4 weight percent oxygen.

REFERENCES:
patent: 2618565 (1952-11-01), Nicholson
patent: 3011983 (1961-12-01), Ricker
patent: 3084060 (1963-04-01), Baer et al.
patent: 3305374 (1974-02-01), Murata
patent: 3353954 (1967-11-01), Williams
patent: 3692474 (1972-09-01), Arber et al.
patent: 3705112 (1972-12-01), Nienart
patent: 3928244 (1975-12-01), Passmore
patent: 4145224 (1979-03-01), Mehalchick et al.
patent: 4534835 (1985-08-01), DeAngelis

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