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    • 3. 发明授权
    • P-type thermoelectric material
    • P型热电材料
    • US5484490A
    • 1996-01-16
    • US200321
    • 1994-02-23
    • Shigeki TokitaMakoto OkabayashiTakashi AmanoIsao Nishida
    • Shigeki TokitaMakoto OkabayashiTakashi AmanoIsao Nishida
    • C01B33/06H01C7/00H01L35/20H01L35/22H01L35/14
    • H01L35/22
    • A P-type thermoelectric material consists essentially of iron disilicide, metallic manganese and metallic aluminium dissolved in or alloyed with the iron disilicide, and silicon oxide and/or aluminum oxide present in the iron disilicide. The manganese is contained in an amount of from 1.67 to 4.1 atomic % with respect to a sum of atoms of iron and silicon constituting the iron disilicide, the metallic manganese and the metallic aluminum taken as 100 atomic %, and the metallic aluminum contained in an amount of from 1.33 to 3.33 atomic % with respect thereto, and a sum of the metallic manganese and the metallic aluminum in an amount of from 4.0 to 5.34 atomic % with respect thereto. The P-type thermoelectric material having such a composition produces a thermoelectromotive force equal to or greater than those of the conventional P-type thermoelectric materials comprised of iron disilicide, and it exhibits a mean resistivity equal to or smaller than that of the N-type thermoelectric material. Hence, a thermocouple including the P-type thermoelectric material and the N-type thermoelectric material can be remarkably enhanced in the performance as a whole.
    • P型热电材料基本上由二硅化铁,金属锰和金属铝组成,其与二硅化铁相溶合或与二硅化铁合金,以及存在于二硅化铁中的氧化硅和/或氧化铝。 相对于构成二硅化铁的铁和硅的原子,金属锰和金属铝为100原子%的原子总和,含锰量为1.67〜4.1原子%,金属铝的含量为 相对于此为1.33〜3.33原子%,金属锰和金属铝的总量相对于其为4.0〜5.34原子%。 具有这种组成的P型热电材料产生等于或大于由二硅化铁组成的常规P型热电材料的热电动势,并且其具有等于或小于N型的平均电阻率 热电材料。 因此,作为整体的性能,可以显着提高包括P型热电材料和N型热电材料的热电偶。
    • 7. 发明授权
    • Apparatus for finely dividing molten metal
    • 用于细分熔融金属的装置
    • US4624409A
    • 1986-11-25
    • US691312
    • 1985-01-14
    • Tohru TakedaKazumi Minagawa
    • Tohru TakedaKazumi Minagawa
    • B22F9/08
    • B22F9/082B22F2009/088
    • A method and an apparatus for finely dividing a molten metal by atomization is provided herein. This apparatus includes a nozzle for feeding a molten metal and an annular atomizing nozzle to force a high-pressure liquid jet against a stream of the molten metal flowing from the feed nozzle. The atomizing nozzle is made of an annular jetting zone adapted to form a narrow opening under the pressure of the high-pressure liquid, an inside jacket and an outside jacket adjacent to the annular jetting zone. The apparatus further includes a pressure reduction chamber located beneath the atomizing nozzle which is in contact with the lower part of the jet from the atomizing nozzle.
    • 本文提供了通过雾化来细分熔融金属的方法和装置。 该装置包括用于供给熔融金属的喷嘴和环形雾化喷嘴,以迫使高压液体喷射抵抗从进料喷嘴流出的熔融金属流。 雾化喷嘴由适于在高压液体的压力下形成狭窄的开口的环形喷射区域,邻近环形喷射区域的内护套和外护套构成。 该装置还包括位于雾化喷嘴下方的与来自雾化喷嘴的射流下部接触的减压室。