Korean Journal of Materials Research (한국재료학회지)

Materials Research Society of Korea (한국재료학회)
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Synthesis and Thermoelectric Properties of Zn4Sb3 by Mechanical Alloying Process

기계적 합금화에 의한 Zn4Sb3 열전소재의 합성 및 열전 특성

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

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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