SiC powders synthesized from rice husk (왕겨로부터 합성된 탄화규소 분말)

Tae-Eon Park (박태언); Jun Yeon Hwang (황준연); Jin Seong Lim (임진성); Young-Hoon Yun (윤영훈)

doi:10.6111/JKCGCT.2016.26.5.188

SiC powders synthesized from rice husk

Journal of the Korean Crystal Growth and Crystal Technology
Abbr : J. Korean Cryst. Growth Cryst. Technol.
2016, 26(5), pp.188-192
DOI : 10.6111/JKCGCT.2016.26.5.188
Publisher : The Korea Association Of Crystal Growth, Inc.
Research Area : Engineering > Materials Science and Engineering
Received : March 31, 2016
Accepted : September 23, 2016
Published : October 31, 2016

Tae-Eon Park ¹, Jun Yeon Hwang ², Jin Seong Lim ², Young-Hoon Yun ³

¹(주)에코텍코리아
²한국과학기술원 전북분원
³동신대학교

Accredited

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 o as well as weak (220) and (311) peak respectively at approximately 60 o and 72 o . 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 μm 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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Journal of the Korean Crystal Growth and Crystal Technology 2023 KCI Impact Factor : 0.19

SiC powders synthesized from rice husk

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* References for papers published after 2023 are currently being built.

Journal of the Korean Crystal Growth and Crystal Technology 2023 KCI Impact Factor : 0.19

SiC powders synthesized from rice husk

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