Alloy containing rare earth element, production method thereof, magnetostrictive device, and magnetic refrigerant material
    61.
    发明授权
    Alloy containing rare earth element, production method thereof, magnetostrictive device, and magnetic refrigerant material 有权
    含稀土元素的合金,其制造方法,磁致伸缩元件和磁性制冷剂材料

    公开(公告)号:US07695574B2

    公开(公告)日:2010-04-13

    申请号:US10531480

    申请日:2003-10-22

    Abstract: A method for producing an RE-containing alloy represented by formula R(T1−xAx)13−y (wherein R represents Ce, etc.; T represents Fe, etc.; and A represents Al, etc; 0.05≦x≦0.2; and −1≦y≦1) including a melting step of melting alloy raw materials at 1,200 to 1,800° C.; and a solidification step of rapidly quenching the molten metal produced through the above step, to thereby form the first RE-containing alloy, wherein the solidification step is performed at a cooling rate of 102 to 104° C./second, as measured at least within a range of the temperature of the molten metal to 900° C.; and an RE-containing alloy, which is represented by a compositional formula of RrTtAa (wherein R and A represent the same meaning as above, T represents Fe, etc.; 5.0 at. %≦r≦6.8 at. %, 73.8 at. %≦t≦88.7 at. %, and 4.6 at. %≦a≦19.4 at. %) and has an alloy microstructure containing an NaZn13-type crystal structure in an amount of at least 85 mass % and α-Fe in an amount of 5-15 mass % inclusive.

    Abstract translation: 一种由式R(T1-xAx)13-y(其中R表示Ce等),T表示Fe等,A表示Al等的表面活性剂的含RE合金的制造方法; 0.05≦̸ x& ;和-1≦̸ y≦̸ 1)包括在1,200至1,800℃熔化合金原料的熔融步骤。 以及通过上述步骤快速骤冷熔融金属的固化步骤,从而形成第一含RE合金,其中凝固步骤以至少为102至104℃/秒的冷却速率进行,至少测量 在熔融金属的温度范围内达到900℃; 和由RrTtAa的组成式(其中R和A表示与上述相同的含义,T表示Fe等,5.0原子%; n1E; r,n1E; 6.8原子%,73.8, 。%≦̸ t≦̸ 88.7at。%,4.6at。%≦̸ a≦̸ 19.4at。%),并且具有含有至少85质量%的NaZn13型晶体结构的合金显微结构,α-Fe 含量为5-15质量%。

    POWDER, METHOD OF MANUFACTURING A COMPONENT AND COMPONENT
    62.
    发明申请
    POWDER, METHOD OF MANUFACTURING A COMPONENT AND COMPONENT 有权
    粉末,制造组分和组分的方法

    公开(公告)号:US20100054982A1

    公开(公告)日:2010-03-04

    申请号:US12519367

    申请日:2007-12-28

    Applicant: Mats Larsson

    Inventor: Mats Larsson

    Abstract: A powder for use in the powder metallurgical manufacture of components is provided. Particularly the subject matter concerns an iron or iron based powder intended for the powder metallurgical manufacturing of components. It is especially suitable for manufacturing of components wherein self-lubricating properties are desired. The subject matter further relates to a method of manufacturing a component from said powder and an accordingly produced component. A diffusion-bonded powder comprising iron or iron-based particles, and particles diffusion-bonded to the iron or iron-based particles is provided. The said particles diffusion-bonded to the iron or iron-based particles may comprise an alloy of Cu and 5% to 15% by weight of Sn. A component is provided which is at least partly formed from such a diffusion-bonded powder.

    Abstract translation: 提供用于粉末冶金制造组分的粉末。 特别地,主题涉及用于组分的粉末冶金制造的铁或铁基粉末。 特别适用于需要自润滑性能的部件的制造。 主题还涉及从所述粉末和相应产生的组分制造组分的方法。 提供了包含铁或铁基颗粒的扩散粘合粉末和扩散粘合到铁或铁基颗粒的颗粒。 扩散接合到铁或铁基颗粒的所述颗粒可以包含Cu和5重量%至15重量%的Sn的合金。 提供了至少部分地由这种扩散粘合粉末形成的部件。

    Method for manufacturing noble metal fine particles
    65.
    发明申请
    Method for manufacturing noble metal fine particles 审中-公开
    贵金属微粒的制造方法

    公开(公告)号:US20090255373A1

    公开(公告)日:2009-10-15

    申请号:US12385494

    申请日:2009-04-09

    Abstract: A method for manufacturing noble metal fine particles, by which noble metal fine particles are obtained whose particle diameter and alloy composition are easy to control and whose crystallinity and purity are high, is provided. The method includes the steps of: (1) obtaining a molten mixture containing a noble metal chloride, by insufflating chlorine gas into a mixture of a molten salt of an alkali metal chloride and a noble metal; (2) obtaining a noble metal oxide as a precipitate by adding an alkali metal carbonate to the molten mixture under an inert gas atmosphere; (3) obtaining a mixture containing noble metal oxide fine particles, by pulverizing the noble metal oxide with at least one of an alkali metal carbonate and an alkali earth metal carbonate; and (4) obtaining noble metal fine particles by heating the mixture obtained in step (3) under an atmosphere of gas containing hydrogen, and then treating the heat-treated mixture with acid.

    Abstract translation: 本发明提供一种贵金属微粒的制造方法,通过该方法可获得其粒径和合金组成容易控制并且结晶度和纯度高的贵金属微粒。 该方法包括以下步骤:(1)通过将氯气吹入碱金属氯化物的熔盐和贵金属的混合物中,获得含有贵金属氯化物的熔融混合物; (2)在惰性气体气氛下,向熔融混合物中加入碱金属碳酸盐,得到贵金属氧化物作为沉淀物; (3)通过用碱金属碳酸盐和碱土金属碳酸盐中的至少一种粉碎所述贵金属氧化物,得到含有贵金属氧化物微粒的混合物; 和(4)通过在含氢气体气氛下加热步骤(3)中获得的混合物,然后用酸处理热处理的混合物,得到贵金属微粒。

    APPARATUS FOR PLASMA SYNTHESIS OF RHENIUM NANO AND MICRO POWDERS
    66.
    发明申请
    APPARATUS FOR PLASMA SYNTHESIS OF RHENIUM NANO AND MICRO POWDERS 有权
    硝酸铑和微粉的等离子体合成装置

    公开(公告)号:US20090243168A1

    公开(公告)日:2009-10-01

    申请号:US12349486

    申请日:2009-01-06

    Abstract: The process for the synthesis of rhenium powders comprises the injection of ammonium perrhenate powder through a carrier gas in a plasma torch of a plasma reactor operated using a mixture including hydrogen as the plasma gas, yielding metallic rhenium under the following chemical reaction: 2NH4ReO4+4H2→2Re+N2↑+8H2O↑. The reactor is provided with a quench zone for cooling the metallic rhenium so as to yield rhenium nano and micro powders.

    Abstract translation: 用于合成铼粉末的方法包括通过使用包括氢作为等离子体气体的混合物操作的等离子体反应器的等离子体炬中的载气注入高铼酸铵粉末,在以下化学反应下产生金属铼: -line-formula description =“In-line Formulas”end =“lead”?> 2NH4ReO4 + 4H2-> 2Re + N2↑+ 8H2O↑<?in-line-formula description =“In-line Formulas”end =“ 尾部“→反应器设置有用于冷却金属铼的骤冷区,以产生铼纳米和微粉末。

    PROCESS FOR PRODUCING POROUS METAL BODY
    67.
    发明申请
    PROCESS FOR PRODUCING POROUS METAL BODY 有权
    生产多孔金属体的方法

    公开(公告)号:US20090232692A1

    公开(公告)日:2009-09-17

    申请号:US12405367

    申请日:2009-03-17

    Abstract: Disclosed is a process of producing a porous metal body containing a metal component which is likely to be oxidized, by which process the amounts of residual carbon and residual oxygen therein are decreased, and by which the performance of the product porous body can be largely promoted. The process for producing a porous metal body by sintering a material of the porous metal body, which material is obtained by coating a slurry containing a metal powder and an organic binder on an organic porous aggregate, comprises a defatting step of treating the material of the porous metal body at a temperature not higher than 650° C. in an atmosphere containing carbon monoxide and carbon dioxide; a decarbonization step of treating the material of the porous metal body after the defatting step in an inert atmosphere or vacuum atmosphere at a temperature not higher than sintering temperature; and a sintering step of retaining the material of the porous metal body after the decarbonization step in an inert atmosphere, vacuum atmosphere, hydrogen atmosphere, or in a reducing atmosphere containing hydrogen gas and an inert gas at a temperature not higher than the melting point of the metal powder.

    Abstract translation: 公开了一种生产含有可能被氧化的金属成分的多孔金属体的方法,通过该方法可以减少残留碳和残余氧的量,从而可以大大促进产物多孔体的性能 。 通过烧结多孔金属体的材料来制造多孔金属体的方法,该材料通过将含有金属粉末和有机粘合剂的浆料涂覆在有机多孔聚集体上而获得,该方法包括:脱脂步骤, 在含有一氧化碳和二氧化碳的气氛中,不高于650℃的多孔金属体; 在惰性气氛或真空气氛中,在不高于烧结温度的温度下,在脱脂步骤之后处理多孔金属体的材料的脱碳步骤; 在惰性气氛,真空气氛,氢气氛或含有氢气和惰性气体的还原气氛中,在不高于熔点的温度的温度下,将脱碳后的多孔金属体的材料保持在 金属粉末。

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