한국재료학회지 (Korean Journal of Materials Research)

  • 제14권8호
  • /
  • Pages.535-541
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  • 2004
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  • 1225-0562(pISSN)
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  • 2287-7258(eISSN)
한국재료학회 (Materials Research Society of Korea)
권호 표지
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기계적 합금화에 의한 Zn4Sb3 열전소재의 합성 및 열전 특성

Synthesis and Thermoelectric Properties of Zn4Sb3 by Mechanical Alloying Process

  • 어순철 (충주대학교 신소재공학과/나노기술연구소)
  • Ur Soon-Chul (Dept. of Materials Science & Engineering/Nano Technology Lab., Chungju National University)
  • 발행 : 2004.08.01
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초록

Thermoelectric $Zn_{4}Sb_3$ alloy powders were synthesized from elemental powders by mechanical alloying process and consolidated by hot pressing under controlled atmosphere. Single phase $Zn_{4}Sb_3$ was not obtained using a nominal stoichiometric composition, but near single phase $Zn_{4}Sb_3$ with remnant elemental Zn having a relatively high density was produced using a nominally 11.7 $at.\%$ Zn rich powders. Phase transformations during mechanical alloying were systematically investigated using XRD and SEM. Thermoelectric and transport properties were evaluated for the hot pressed specimens and compared with results of analogous studies.

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