• effects of spark plasma sintering temperature on thermoelectric properties of higher manganese silicide

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 758
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
      higher manganese silicide (hms) is a promising p-type thermoelectric material. hms samples were synthesized by a vacuum induction melting process and sintered by spark plasma sintering (sps) at various temperatures to obtain a single phase of hms and investigate the effect of the sps temperature on the thermoelectric properties. a single phase of hms was obtained, and the appearance and the amount of mn2o3 and mnsi as secondary phases could be controlled via the sps temperature. the effects of the sps temperature on the electrical conductivity and seebeck coefficient of the hms samples were investigated. the changes in the electrical conductivity and seebeck coefficient were attributed to changes in the density and the amount of mn2o3 secondary phase.

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