METHOD FOR MANUFACTURING THERMOELECTRIC CONVERSION MATERIAL

PROBLEM TO BE SOLVED: To provide a method for manufacturing a thermoelectric conversion material capable of producing a thermoelectric conversion material with stable quality.SOLUTION: The method for manufacturing a thermoelectric conversion material includes a sintering step. In the sintering step,...

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Hauptverfasser:	GUO JUNQING, KIKUCHI MASAAKI, TOMITA TAKETOSHI, SUZUKI SHOGO, OCHI TAKAHIRO, SUMIYOSHI ATSURO, NIE GE
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CASTING ELECTRICITY MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING WORKING METALLIC POWDER
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method for manufacturing a thermoelectric conversion material capable of producing a thermoelectric conversion material with stable quality.SOLUTION: The method for manufacturing a thermoelectric conversion material includes a sintering step. In the sintering step, an insulating layer 30 is disposed at least in a portion between an inner wall 12 of a conductive mold 10 and a sintered material 20, and by applying a voltage in a first direction of the mold 10 and energizing it, under the condition that the insulating layer 30 keeps insulating properties, a sintered body of the sintered material 20 is obtained. Here, the sintered body is a thermoelectric conversion material.SELECTED DRAWING: Figure 1 【課題】安定した品質で熱電変換材料を製造可能な熱電変換材料の製造方法を提供する。【解決手段】熱電変換材料の製造方法は、焼結工程を含む。焼結工程では、導電性の型１０の内壁１２と焼結材料２０との間の少なくとも一部に絶縁層３０が配置され、絶縁層３０が絶縁性を有し続ける条件の下で、型１０の第１の方向に電圧を印加して通電することにより、焼結材料２０の焼結体を得る。ここで、焼結体は、熱電変換物質である。【選択図】図１