Permanent magnet and manufacturing method thereof
    43.
    发明授权
    Permanent magnet and manufacturing method thereof 有权
    永磁体及其制造方法

    公开(公告)号:US08491728B2

    公开(公告)日:2013-07-23

    申请号:US13499492

    申请日:2011-03-28

    Abstract: There are provided a permanent magnet and a manufacturing method thereof that enables concentration of V, Mo, Zr, Ta, Ti, W or Nb contained in an organometallic compound in grain boundaries of the permanent magnet. To fine powder of milled neodymium magnet is added an organometallic compound solution containing an organometallic compound expressed with a structural formula of M-(OR)x (M represents V, Mo, Zr, Ta, Ti, W or Nb, R represents a substituent group consisting of a straight-chain or branched-chain hydrocarbon, x represents an arbitrary integer) so as to uniformly adhere the organometallic compound to particle surfaces of the neodymium magnet powder. Thereafter, a compact body obtained by compacting the magnet powder is held for several hours in hydrogen atmosphere at 200 through 900 degrees Celsius so as to perform a calcination process in hydrogen. Thereafter, through sintering, a permanent magnet is manufactured.

    Abstract translation: 提供一种使永磁体的晶界中的有机金属化合物中含有的V,Mo,Zr,Ta,Ti,W或Nb的浓度的永磁体及其制造方法。 向研磨的钕磁体的细粉末中加入含有结构式为M-(OR)x(M表示V,Mo,Zr,Ta,Ti,W或Nb的有机金属化合物)的有机金属化合物溶液,R表示取代基 由直链或支链烃构成的基团,x表示任意的整数),以使有机金属化合物均匀地附着于钕磁体粉末的粒子表面。 此后,将通过压实磁体粉末获得的紧凑体在200-900摄氏度的氢气氛中保持数小时,以便在氢气中进行煅烧过程。 此后,通过烧结制造永久磁铁。

    ELECTROCATALYTIC COMPOSITE(S), ASSOCIATED COMPOSITION(S), AND ASSOCIATED PROCESS(ES)
    44.
    发明申请
    ELECTROCATALYTIC COMPOSITE(S), ASSOCIATED COMPOSITION(S), AND ASSOCIATED PROCESS(ES) 有权
    电化学复合材料(S),相关组合物(S)和相关工艺(ES)

    公开(公告)号:US20130045866A1

    公开(公告)日:2013-02-21

    申请号:US13554551

    申请日:2012-07-20

    Abstract: Compositions having electrocatalytic activity and composites having electrocatalytic activity, as well as processes for making compositions and composites are described. Also, processes for using such compositions and/or composites, such as, for example, a machine or equipment are described. Some aspects of embodiments and/or embodiments of the present invention are directed to a nanosize transition metal alloy (such as for example an alloy and/or one or more intermetallics comprising copper, cobalt, nickel, palladium, platinum, ruthenium, the like, and combinations thereof) that is electrocatalytically active. Some other aspects of embodiments and/or embodiments of the present invention are directed to a composite material comprising a nanosize transition metal alloy and a carbonaceous matrix.

    Abstract translation: 描述具有电催化活性的组合物和具有电催化活性的复合材料,以及制备组合物和复合材料的方法。 此外,描述了使用这种组合物和/或复合材料(例如机器或设备)的方法。 本发明的实施方案和/或实施方案的一些方面涉及纳米尺寸过渡金属合金(例如合金和/或一种或多种金属间化合物,其包含铜,钴,镍,钯,铂,钌等, 及其组合),其具有电催化活性。 本发明的实施方案和/或实施方案的其它方面涉及包含纳米尺寸过渡金属合金和碳质基质的复合材料。

    Corrosion Resistant Metallurgical Powder Compositions
    47.
    发明申请
    Corrosion Resistant Metallurgical Powder Compositions 审中-公开
    耐腐蚀冶金粉末组合物

    公开(公告)号:US20120014827A1

    公开(公告)日:2012-01-19

    申请号:US13239614

    申请日:2011-09-22

    Abstract: Provided are corrosion resistant metallurgical powder compositions, corrosion resistant compacted articles prepared from metallurgical powder compositions, and methods of preparing the same. Corrosion resistant metallurgical powder compositions include as a major component, an iron-based powder and, as a minor component, alloy additives that include chromium, and carbon. Upon compaction and sintering, the iron-based powder and alloy additives form a dual phase alloy system. The dual phase alloy system is denoted by an admixed martensite and ferrite microstructure. This unique microstructure results in beneficial physical properties, such as for example, high strength, hardness, and ductility, impact energy, and fatigue endurance, while maintaining resistance to corrosion.

    Abstract translation: 提供耐腐蚀冶金粉末组合物,由冶金粉末组合物制备的耐腐蚀压实制品及其制备方法。 耐腐蚀冶金粉末组合物包括作为主要组分的铁基粉末和作为次要组分的包括铬和碳的合金添加剂。 在压实和烧结时,​​铁基粉末和合金添加剂形成双相合金系统。 双相合金系统由混合马氏体和铁素体微观结构表示。 这种独特的微观结构产生有益的物理性能,例如高强度,硬度和延展性,冲击能量和疲劳耐久性,同时保持耐腐蚀性。

    Method and Atmosphere for Extending Belt Life in Sintering Furnace
    48.
    发明申请
    Method and Atmosphere for Extending Belt Life in Sintering Furnace 有权
    烧结炉延长皮带寿命的方法和气氛

    公开(公告)号:US20110318216A1

    公开(公告)日:2011-12-29

    申请号:US12966440

    申请日:2010-12-13

    Abstract: Disclosed herein is a method and gas atmosphere for a metal component in a continuous furnace. In one embodiment, the method and gas atmosphere comprises the use of an effective amount, or about 1 to about 10 percent volume of endo-gas, into an atmosphere comprising nitrogen and hydrogen. In another embodiment, there is provided a method sintering metal components in a furnace at a one or more operating temperatures comprising: providing a furnace comprising a belt comprising a wire mesh material wherein the metal components are supported thereupon; and sintering the components in the furnace in an atmosphere comprising nitrogen, hydrogen, and effective amount of endothermic gas at the one or more operating temperatures ranging from about 1800° F. to about 2200° F. wherein the amount of endothermic gas in the atmosphere is such that it is oxidizing to the wire mesh material and reducing to the metal components.

    Abstract translation: 本文公开了连续炉中的金属成分的方法和气体气氛。 在一个实施方案中,所述方法和气体气氛包括使用有效量(或约1至约10体积%的内含气体)到包含氮气和氢气的气氛中。 在另一个实施方案中,提供了一种在一个或多个操作温度下在炉中烧结金属组分的方法,包括:提供包括包含金属丝网材料的带的炉子,其中金属组分被支撑在其上; 以及在约1800°F至约2200°F的一个或多个操作温度下,在包括氮气,氢气和有效量的吸热气体的气氛中烧结炉中的组分。其中吸入气体在大气中的量 使得其对金属丝网材料氧化并且还原成金属成分。

    MULTILEVEL PARTS FROM AGGLOMERATED SPHERICAL METAL POWDER
    50.
    发明申请
    MULTILEVEL PARTS FROM AGGLOMERATED SPHERICAL METAL POWDER 有权
    来自球形金属粉末的多部件

    公开(公告)号:US20110262763A1

    公开(公告)日:2011-10-27

    申请号:US13140207

    申请日:2010-01-08

    Inventor: Christer Åslund

    Abstract: A method for the manufacture of a multilevel metal part, the method including the steps of: a) compacting agglomerated spherical metal powder to a green multilevel preform such that an open porosity exists, wherein the green multilevel preform fulfils the relation zg=zHVC·a, b) debinding the green preform, c) sintering the green preform in an atmosphere including hydrogen, d) compacting the green preform with high velocity compaction to a density of at least 95% TD, e) subjecting the part to densification to a density of at least 99% TD. There is further provided a multilevel metal part. Advantages of the method include that it is possible to manufacture a multilevel part which is essentially uniform throughout the entire part and which has excellent tolerance, which at the same time has virtually full density and thereby having excellent mechanical properties as well as excellent corrosion properties.

    Abstract translation: 一种用于制造多层金属部件的方法,所述方法包括以下步骤:a)将聚集的球形金属粉末压实成绿色多层预型件,使得存在开放孔隙,其中,所述绿色多层预型件满足关系zg = zHVC·a b)去污绿色预成型件,c)在包括氢的气氛中烧结生坯预成型件,d)以高速压实将生坯预成型件压实至至少95%TD的密度,e)使部件致密化至密度 至少99%的TD。 还提供了多层金属部件。 该方法的优点在于,可以制造在整个部件上基本均匀的多层部件,其具有优异的公差,同时实际上具有全密度,从而具有优异的机械性能以及优异的腐蚀性能。

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