Potassium fluorrichterite glass ceramics and method

Details Potassium fluorrichterite glass ceramics and method Potassium fluorrichterite glass ceramics and method

1983-05-09

1984-08-21

Bell, Mark

Compositions: ceramic

Ceramic compositions

Devitrified glass-ceramics

501 57, C03C 322, C03C 304

Patent

active

044670397

ABSTRACT:
There is disclosed a highly crystalline glass-ceramic article exhibiting superior toughness against fracture propagation, a modulus of rupture in excess of 20,000 psi, a predominant crystal phase of potassium fluorrichterite, and having an overall composition consisting essentially of

REFERENCES:
patent: 2948629 (1960-08-01), Shell
patent: 3201266 (1965-08-01), MacDowell
patent: 3384508 (1968-05-01), Bopp et al.
patent: 3516810 (1970-06-01), Ivey et al.
patent: 3720526 (1973-03-01), Duke et al.
patent: 3839056 (1974-10-01), Grossman
patent: 3905824 (1975-09-01), Grossman
patent: 4341872 (1982-07-01), MacDowell
patent: 4386162 (1983-05-01), Beall

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