Fully dense ceramic article and process employing magnesium oxid

Compositions: coating or plastic – Coating or plastic compositions – Metal-depositing composition or substrate-sensitizing...

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106 65, 106 734, 106 735, C04B 3558

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039532216

ABSTRACT:
Fully dense ceramic articles are prepared by mixing powders of silicon nide, aluminum oxide and magnesium oxide to form a composite powder composition wherein the magnesium oxide acts as a sintering aid, forming the composite powder into a desired shape, and heating the shaped composite powder composition in the absence of applied pressure at a temperature sufficient to effect sintering of the composition.

REFERENCES:
patent: 3262761 (1966-07-01), Bechtold
patent: 3821005 (1974-06-01), Layden
patent: 3837871 (1974-09-01), Weaver
patent: 3839540 (1974-10-01), Arrol

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