High strength, haze-free, transparent glass-ceramics

Details High strength, haze-free, transparent glass-ceramics High strength, haze-free, transparent glass-ceramics

1989-11-13

1990-07-10

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Devitrified glass-ceramics

501 61, 501 66, 501 67, C03C 322, C03C 304

Patent

active

049406744

ABSTRACT:
The present invention is directed to transparent, essentially haze-free glass-ceramic articles exhibiting moduli of rupture in excess of 10,000 psi which consist essentially, in weight percent, of 3-6% Li.sub.2 O, 17-23% Al.sub.2 O.sub.3, 1-4% B.sub.2 O.sub.3, 60-70% SiO.sub.2, 3-6% TiO.sub.2 and/or ZrO.sub.2, 25-500 ppm Cr.sub.2 O.sub.3, and 1-5 mole percent of a glass modifying oxide selected from the group consisting of 0-3% K.sub.2 O and 0-2.5% SrO and/or BaO.

REFERENCES:
patent: 4391914 (1983-07-01), Beall

Affiliated with

Also associated with

Rating

High strength, haze-free, transparent glass-ceramics does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with High strength, haze-free, transparent glass-ceramics, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and High strength, haze-free, transparent glass-ceramics will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1720728