Synthesis of Silicon Carbide through the Sol—Gel Process from Rayon Fibers

Vasantha Raman; V.K. Parashar; Sanjay R. Dhakate; Om Prakash Bahl; Urmila Dhawan

doi:10.1111/j.1151-2916.2000.tb01302.x

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Synthesis of Silicon Carbide through the Sol—Gel Process from Rayon Fibers

Vasantha Raman V.K. Parashar Sanjay R. Dhakate Om Prakash Bahl Urmila Dhawan

Year: 2000 Journal: Journal of the American Ceramic Society Vol: 83 (4)Pages: 952-954 Publisher: Wiley

DOI: 10.1111/j.1151-2916.2000.tb01302.x

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Abstract

Silicon carbide whiskers (SiC( w )) are synthesized by the pyrolysis of rayon fibers impregnated with sol—gel‐derived SiO 2 . The influence of boric acid on whisker growth and the effect of varying the TEOS:rayon weight ratio are studied and reported. Evolution of SiC( w ) from impregnated rayon fibers in the carbonized and in the carbothermal stages is investigated.

Keywords:

Whisker Silicon carbide Whiskers Materials science Boric acid Pyrolysis Sol-gel Carbonization Monocrystalline whisker Chemical engineering Composite material Carbothermic reaction Carbide Scanning electron microscope Nanotechnology Chemistry Organic chemistry

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Thin-Film Transistor Technologies

Physical Sciences → Engineering → Electrical and Electronic Engineering

Silicon Carbide Semiconductor Technologies

Physical Sciences → Engineering → Electrical and Electronic Engineering

Advanced ceramic materials synthesis

Physical Sciences → Materials Science → Ceramics and Composites

Synthesis of Silicon Carbide through the Sol—Gel Process from Rayon Fibers

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