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- 방전 플라즈마 소결법(SPS)으로 제조된 급속응고 p-type Bi2Te3 합금의 소결 특성
- 문철동, 홍순직, 김도향, 김택수
- Thermoelectric Properties of Rapid Solidified p-type Bi2Te3 Alloy Fabricated by Spark Plasma Sintering(SPS) Process
- Chul-Dong Moon, Soon-Jik Hong, Do-Hyang Kim, Taek-Soo Kim
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Journal of Korean Powder Metallurgy Institute 2010;17(6):494-498
DOI: https://doi.org/10.4150/KPMI.2010.17.6.494
1한국생산기술연구원 희소금속산업기술센터
2공주대학교 신소재공학부
3연세대학교 준결정연구단
4한국생산기술연구원 희소금속산업기술센터
1Dept. of Rare Metals, Korea Institute of Industrial Technology (KITECH)
2Division of Advanced Materials Engineering, Kongju National University
3Center for Non-crystalline Materials / Dept. of Advanced Materials Eng., Yonsei University
4Dept. of Rare Metals, Korea Institute of Industrial Technology (KITECH)
2공주대학교 신소재공학부
3연세대학교 준결정연구단
4한국생산기술연구원 희소금속산업기술센터
1Dept. of Rare Metals, Korea Institute of Industrial Technology (KITECH)
2Division of Advanced Materials Engineering, Kongju National University
3Center for Non-crystalline Materials / Dept. of Advanced Materials Eng., Yonsei University
4Dept. of Rare Metals, Korea Institute of Industrial Technology (KITECH)
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Abstract
The p-type thermoelectric compounds of Bi_2Te_3 based doped with 3wt% Te were fabricated by a combination of rapid solidification and spark plasma sintering (SPS) process. The effect of holding time during spark plasma sintering (SPS) on the microstructure and thermoelectric properties were investigated using scanning electron microscope (SEM), X-ray diffraction (XRD) and thermoelectric properties. The powders as solidified consisted of homogeneous thermoelectric phases. The thermoelectric figure of merit measured to be maximum (3.41times10-3/K) at the SPS temperature of 430°C.
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