Solid solution and process for producing a solid solution

Details Solid solution and process for producing a solid solution Solid solution and process for producing a solid solution

1978-02-23

1979-02-27

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 734, 106 735, C04B 3552, C04B 3558

Patent

active

041417402

ABSTRACT:
A solid solution and a process for producing a solid solution, the solid solution including at least the compounds: silicon carbide and aluminum oxycarbide, and also aluminum nitride. The new material including all three compounds is referred to by the acronym, SiCAlON, which is a coined term consisting of the chemical abbreviations for the elements present in the solid solution. The solid solution is obtained by heating an intimate mixture of reactants above about 1550.degree. C. The silicon carbide in the solid solution has the alpha or hexagonal structure and the aluminum nitride has the wurtzite or hexagonal structure. The solid solution is characterized by the substantial absence of iron or other impurities that tend to encourage the formation of silicon carbide as a separate phase having a beta or cubic structure.

REFERENCES:
patent: 3259509 (1966-07-01), Matkovich et al.
patent: 3890250 (1975-06-01), Richerson
patent: 3895219 (1975-07-01), Richerson
patent: 3974106 (1976-08-01), Richerson

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