SIO.sub.2 -CaO Based low cubically expansive flame-spraying mate

Details SIO.sub.2 -CaO Based low cubically expansive flame-spraying mate SIO.sub.2 -CaO Based low cubically expansive flame-spraying mate

1983-03-22

1984-12-04

Poer, James

Compositions: ceramic

Ceramic compositions

Refractory

501133, C04B 3514, C04B 3516

Patent

active

044865457

ABSTRACT:
The present invention provides a flame-spraying material composed of a powder mixture having a particle size not more than 0.5 mm and essentially comprising 85 to 98% by weight of SiO.sub.2 and 2 to 15% by weight of CaO, and also comprising 0.05 to 1.0% by weight of Li.sub.2 O in addition to the above which show a good adhesion rate and high mechanical strength of the flame-spray deposited coating as well as a tendency towards higher anti-spalling due to the reduced melt viscosity and hot linear thermal expansion rate similar to that of silica brick.

REFERENCES:
patent: 1934263 (1933-11-01), Hacks et al.
patent: 2573264 (1951-10-01), Keltz
patent: 2968083 (1961-01-01), Lentz et al.
patent: 3082104 (1963-03-01), Belz
patent: 3620783 (1971-11-01), Mahler et al.
patent: 3684538 (1972-08-01), Wright
patent: 3684560 (1972-08-01), Brichard et al.
patent: 3788866 (1974-01-01), Flood et al.
patent: 3826658 (1974-07-01), Nicholas
patent: 4346177 (1982-08-01), Cochet et al.

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