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http://dx.doi.org/10.6111/JKCGCT.2016.26.5.188

SiC powders synthesized from rice husk  

Park, Tae-Eon (Ecotechkorea Co., LTD.)
Hwang, Jun Yeon (Carbon Composite Materials Research Center, Institute of Advanced Composites Materials, KIST, Jeonbuk Branch)
Lim, Jin Seong (Carbon Composite Materials Research Center, Institute of Advanced Composites Materials, KIST, Jeonbuk Branch)
Yun, Young-Hoon (Dept. of Hydrogen & Fuel Cell Tech., Dongshin University)
Publication Information
Journal of the Korean Crystal Growth and Crystal Technology / v.26, no.5, 2016 , pp. 188-192 More about this Journal
Abstract
In this work, the SiC powders were synthesized through the carbonized matter from the mixture of silica powder and rice husks. The SiC powders, obtained from the carbothermal reduction reaction of silica and carbonized rice husks, were investigated by XRD patterns, XPS, FE-SEM and FE-TEM. In the XRD patterns, the specimens showed clearly very high strong peak of (111) plane near $35^{\circ}$ as well as weak (220) and (311) peak respectively at approximately $60^{\circ}$ and $72^{\circ}$. Under Ar atmosphere, the power synthesized from the mixture (in case of mixing ratio, 6 : 4) of carbonized rice husks and silica showed mainly cubic SiC crystalline phase showing relatively lower ratio of hexagonal phase without residual carbon in XRD pattern. In the TEM analysis, the specimen, synthesized from carbonized rice husks and silica with mixing ratio of 6 : 4 under Ar atmosphere, showed relatively fine particles under $5{\mu}m$ and a crystalline SiC phase of (100) diffraction pattern.
Keywords
Silicon carbide (SiC); Rice husks; Silica; Carbonized rice husks; Carbothermal reduction;
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Times Cited By KSCI : 1  (Citation Analysis)
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