지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.8 No.6
- 발행연도
- 2013.11
- 수록면
- 1,474 - 1,480 (7page)
이용수
초록· 키워드
오류제보하기
Silicon carbide (SiC)-zirconium diboride (ZrB₂) composites were prepared by subjecting a 60:40 vol% mixture of β-SiC powder and ZrB₂ matrix to spark plasma sintering (SPS) in 15 mmΦ and 20 mmΦ molds. The 15 mmΦ and 20 mmΦ compacts were sintered for 60 sec at 1500 °C under a uniaxial pressure of 50 MPa and argon atmosphere. Similar composites were simulated using Flux<SUP>®</SUP> 3D computer simulation software. The current and power densities of the specimen sections of the simulated SiC-ZrB₂ composites were higher than those of the mold sections of the 15 mmΦ and 20 mmΦ mold simulated specimens. Toward the centers of the specimen sections, the current densities in the simulated SiC-ZrB₂ composites increased. The power density patterns of the specimen sections of the simulated SiC-ZrB₂ composites were nearly identical to their current density patterns. The current densities of the 15 mmΦ mold of the simulated SiC-ZrB₂ composites were higher than those of the 20 mmΦ mold in the center of the specimen section. The volume electrical resistivity of the simulated SiC-ZrB2 composite was about 7.72 times lower than those of the graphite mold and the punch section. The power density, 1.4604 GW/㎥, of the 15 mmΦ mold of the simulated SiC-ZrB2 composite was higher than that of the 20 mmΦ mold, 1.3832 GW/㎥. The ZrB2 distributions in the 20 mmΦ mold in the sintered SiC-ZrB2 composites were more uniform than those of the 15 mmΦ mold on the basis of energy-dispersive spectroscopy (EDS) mapping. The volume electrical resistivity of the 20 mmΦ mold of the sintered SiC-ZrB₂ composite, 6.17 × 10<SUP>-4</SUP> Ω cm, was lower than that of the 15 mmΦ mold, 9.37 × 10-4 Ω ·cm, at room temperature.
목차
Abstract
1. Introduction
2. Experimental Procedure
3. Experimental Results and Discussion
4. Conclusion
References
참고문헌 (16)
참고문헌 신청
1. [학술지(정기간행물)] - D. M. Bi. / 2011 / Exploration of joining between ceramics and steels : An example Fig. 9. Temperature coefficient of resistance of the sintered SiC-ZrB2 composites using the spark plasma sintering technique / J. Phase Equilib. Diffus. 32 (3)
2. [학술지(정기간행물)] - D. Tiwari. / 2009 / Simulation of thermal and electric field evolution during spark plasma sintering / Ceram. Int. 35 : 699 ~ 708
3. [학술지(정기간행물)] - Y. Song. / 2011 / A multifield coupled FEM model for one-step-forming process of spark plasma sintering considering local densification of powder material / J. Mater. Sci. 46 : 5645 ~ 5656
4. [학술지(정기간행물)] - H. Hashiguchi. / 1994 / Electrical resistivity of α-SiC ceramics added with NiO / J. Ceram. Soc. Japan 102 (2) : 160 ~ 164
5. [학술지(정기간행물)] - 주진영 / 2009 / The Development of an Electroconductive SiC-ZrB2 Ceramic Heater through Spark Plasma Sintering / Journal of Electrical Engineering & Technology 4 (4) : 538 ~ 545
2. [학술지(정기간행물)] - D. Tiwari. / 2009 / Simulation of thermal and electric field evolution during spark plasma sintering / Ceram. Int. 35 : 699 ~ 708
3. [학술지(정기간행물)] - Y. Song. / 2011 / A multifield coupled FEM model for one-step-forming process of spark plasma sintering considering local densification of powder material / J. Mater. Sci. 46 : 5645 ~ 5656
4. [학술지(정기간행물)] - H. Hashiguchi. / 1994 / Electrical resistivity of α-SiC ceramics added with NiO / J. Ceram. Soc. Japan 102 (2) : 160 ~ 164
5. [학술지(정기간행물)] - 주진영 / 2009 / The Development of an Electroconductive SiC-ZrB2 Ceramic Heater through Spark Plasma Sintering / Journal of Electrical Engineering & Technology 4 (4) : 538 ~ 545
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