Crystallized glass-ceramic molded product and method of manufact

Details Crystallized glass-ceramic molded product and method of manufact Crystallized glass-ceramic molded product and method of manufact

1985-12-31

1988-08-30

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Devitrified glass-ceramics

501 32, 106DIG3, C03C 1016, C03C 106

Patent

active

047677252

ABSTRACT:
A crystallized glass-ceramic molded product having a glass matrix and crystallized calcium fluoride and fluormica dispersed therein. The molded product is prepared by mixing and melting together the necessary constituents for forming the glass, calcium fluoride and fluormica and rapidly cooling the melt to produce a frit. Particles of the frit or of two or more frits are then subjected to sintering and crystallizing heat treatments.

REFERENCES:
patent: 4386162 (1983-05-01), Beall
patent: 4390634 (1983-06-01), Hoda

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