Process for manufacturing ceramic fibers consisting mainly...

Details Process for manufacturing ceramic fibers consisting mainly... Process for manufacturing ceramic fibers consisting mainly...

C - Chemistry, Metallurgy

03

C

49/9.1

C03C 13/06 (2006.01) C03B 37/01 (2006.01) H01B 3/12 (2006.01) H01B 3/44 (2006.01)

Patent

CA 1215838

ABSTRACT OF THE DISCLOSURE A mixture containing 35 to 65% by weight of Al2O3, 30 to 60% by weight of SiO2, 1.5 to 4% by weight of Cr2O3, and 0.01 to 0.1% by weight of carbon, the balance being unavoidable impurities, is melted, and amorphous fibers are formed from said molten material by blowing or spinning. The fibers are heated rapidly to a temperature of 950°C to 1,150°C, held at that temperature for several to about a dozen minutes, and cooled rapidly to ordinary room temperature. -10-

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