Method for joining of prefired or fired ceramics using sol gels

Details Method for joining of prefired or fired ceramics using sol gels Method for joining of prefired or fired ceramics using sol gels

1987-01-08

1990-12-18

Lovering, Richard D.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

106692, 156 89, 2523157, 264 36, C03B 2900, C09J 100, C09J 506

Patent

active

049784102

ABSTRACT:
A method of repairing a defect in or joining fired or unfired ceramic bodies by using a paste composed of a wet undried metal oxide gel consisting of Al.sub.2 O.sub.3, SiO.sub.2, MgO, ZrO.sub.2, Y.sub.2 O.sub.3, and mixtures thereof and joining the paste. A reinforcement material consisting of SiC, C, SiO.sub.2, Al.sub.2 O.sub.3, ZrO.sub.2, Y.sub.2 O.sub.3, MgO and mixtures thereof may be included in the paste.

REFERENCES:
patent: 2085129 (1937-06-01), Stoewener
patent: 3287476 (1966-11-01), Snyder
patent: 4397666 (1983-08-01), Mishima et al.
patent: 4861410 (1989-08-01), Clark et al.
Yoldas: "Alumina Gels That Form Porous Transparent Al.sub.2 O.sub.3 ", Journal of Materials Science, vol. 10, No. 11, Nov. 1975, pp. 1856-1860.

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