312 放電プラズマ焼結・接合法よるFeSi_2系熱電変換材料のp-n直接接合(一般講演(加工))

概要

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FeSi_2 thermoelectric elements are expected for high temperature applications because, of its low cost, nontoxic and superior oxidation resistance. The possibility of production of FeSi_2 thermoelectric conversion module by spark plasma sinter-joining method was examined. In addition, the thermoelectric conversion characteristics was evaluated by using the module processed in various kinds of shape. It was clarified that the p-n joining with sintering from powder was possible by spark plasma sinter-joining method. The module with excellent thermoelectric conversion characteristics was obtained by the direct joining further than the sinter-joining. It was made clear that the Seebeck coefficient depended on the shape of module.
社団法人日本機械学会の論文
2007-11-16