Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent
1978-09-08
1979-04-10
Vertiz, O. R.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Rod, strand, filament or fiber
C04B 3580, C04B 3514, C04B 3518
Patent
active
041489624
ABSTRACT:
A refractory composite insulating material prepared from silica fibers and aluminosilicate fibers in a weight ratio ranging from 1:19 to 19:1, and about 0.5 to 30% boron oxide, based on the total fiber weight. The aluminosilicate fiber and boron oxide requirements may be satisfied by using aluminoborosilicate fibers and, in such instances, additional free boron oxide may be incorporated in the mix up to the 30% limit. Small quanitites of refractory opacifiers, such as silicon carbide, may be also added. The composites just described are characterized by the absence of a nonfibrous matrix.
REFERENCES:
patent: 3077413 (1963-02-01), Campbell
patent: 3752683 (1973-08-01), Hawthorne
patent: 3788935 (1974-01-01), Shyne et al.
patent: 3935060 (1976-01-01), Blome et al.
patent: 4041199 (1977-08-01), Cartwright
Frosch Robert A. Administrator of the National Aeronautics and Space
Goldstein Howard E.
Leiser Daniel B.
Smith Marnell
Bell Mark
Brekke Darrell G.
Manning John R.
McMillan Armand
Vertiz O. R.
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