Compositions: ceramic – Ceramic compositions – Devitrified glass-ceramics
Patent
1989-10-26
1991-03-19
Bell, Mark L.
Compositions: ceramic
Ceramic compositions
Devitrified glass-ceramics
501 61, 501 62, 501 67, 501 69, C03C 1008, C03C 3085
Patent
active
050010867
ABSTRACT:
There is disclosed a sintered, alpha-cordierite solid solution glass-ceramic body in which the properties of coefficient of thermal expansion and modulus of rupture are stabilized and controlled by using a combination of two dopants in the glass during sintering and crystallization. There is further disclosed the method of producing such bodies, and controlling such properties, through the use of the two dopants.
REFERENCES:
patent: 3450456 (1969-06-01), Stong
patent: 4540671 (1985-09-01), Kondo et al.
Carrier Gerald B.
Francis Gaylord L.
Paisley Robert J.
Trotter, Jr. Donald M.
Wexell Kathleen A.
Bell Mark L.
Corning Incorporated
Janes Clinton S.
Peterson Milton M.
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