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논문 기본 정보

저자정보
(원광대학교) (원광대학교) (원광대학교) (원광대학교)
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대한전기학회 전기학회논문지 전기학회논문지 제61권 제7호
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    초록·키워드

    The computer simulation was performed to confirm distribution of current and power density according to inner diameter of graphite mold of SPS(Spark Plasma Sintering). When the inner diameters of a graphite mold are varied 10㎜Φ, 20㎜Φ, 30㎜Φ and 40㎜Φ, the more the inner diameter of graphite mold is decreased, the more the current density of punch section is increased. Because the electrical resistivity of the SiC-ZrB₂ specimen section(7.77×10?⁴ Ωㆍ㎝) was lower than the electrical resistivity(6.00×10?³ Ωㆍ㎝) of graphite section, the current density and power density of specimen section was higher than those of graphite section. It is considered that a SiC-ZrB₂ composite is sintered by more Joule heat of specimen section than that of mold and punch section. The current and power density distribution of a SiC-ZrB₂ composite can be predicted through computer simulation when SPS is conducted, and an electrical resistivity of the SiC-ZrB₂ composite is main element of SPS.

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      UCI(KEPA) : I410-ECN-0101-2013-560-002669083