High temperature refractory fiber

Details High temperature refractory fiber High temperature refractory fiber

1984-03-01

1985-11-26

McCarthy, Helen M.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 31, 501 68, C03C 304, C03C 1300

Patent

active

045554927

ABSTRACT:
A composition for forming a high temperature, alkali resistant refractory fiber. The compositional formulation, by weight, is 46-52% silica, 32-38% alumina, 13-18% zirconia with a silica to zirconia ratio in the range from 2.6 to 3.8. These fibers have a maximum service temperature in the range of 2550.degree. F. (1400.degree. C.) to 2650.degree. F. (1455.degree. C.) and exhibit better shrinkage resistance than similarly rated commercially available refractory fiber.

REFERENCES:
patent: 2873197 (1959-02-01), McMullen
patent: 3205079 (1965-09-01), Stookey
patent: 3449137 (1969-06-01), Ekdahl
patent: 3904424 (1975-09-01), Aoki et al.
patent: 4001996 (1977-01-01), Byrd
patent: 4125406 (1978-11-01), Sowman
patent: 4240833 (1980-12-01), Myles
patent: 4251279 (1981-02-01), Ekdahl
patent: 4379111 (1983-04-01), Smith et al.
Olds, L. E. et al., "High Temperature Alumina-Silicate Fibers Stabilized with Cr.sub.2 O.sub.3 ", Ceramic Bulletin 59(7), 1980, pp. 739-741.

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