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    Co-based water-atomised powder composition for die compaction
    21.
    发明申请
    Co-based water-atomised powder composition for die compaction 审中-公开
    用于模具压实的共用水雾化粉末组合物

    公开(公告)号：US20060198751A1

    公开(公告)日：2006-09-07

    申请号：US11418211

    申请日：2006-05-05

    Applicant: Christophe Szabo ,  Owe Mars

    Inventor： Christophe Szabo ,  Owe Mars

    IPC: C22C19/07 ,  C22C1/05

    CPC classification number: C22C1/0433 ,  B22F2009/0828 ,  B22F2998/10 ,  B22F2999/00 ,  B22F9/082 ,  B22F1/0059 ,  B22F3/02 ,  B22F3/10 ,  B22F2201/013 ,  B22F2201/02

    Abstract: The present invention concerns a powder metal composition for producing powder metal components comprising a Co-based pre-alloyed powder, with irregularly shaped particles comprising at least 15% by weight Cr and less than 0.3% by weight C, admixed with graphite. The invention also concerns a method for producing PM components by pressing of articles to shape from the powder metal composition according to the invention and sintering them.

    Abstract translation: 本发明涉及用于生产粉末金属组分的粉末金属组合物，其包含Co基预合金粉末，其具有与石墨混合的包含至少15重量％Cr和小于0.3重量％C的不规则形状的颗粒。 本发明还涉及通过按照本发明的粉末金属组合物压制制品以形成PM组分并将其烧结的方法。

    Method of producing tablets formed by prealloys of aluminum-iron produced from automized powders, and tablets produced thereby
    22.
    发明授权
    Method of producing tablets formed by prealloys of aluminum-iron produced from automized powders, and tablets produced thereby 失效
    由自动化粉末生产的铝铁的预合金形成的片剂的制造方法以及由此制成的片剂

    公开(公告)号：US07033414B2

    公开(公告)日：2006-04-25

    申请号：US10349445

    申请日：2003-01-22

    Applicant: Ivan Calia Barchese

    Inventor： Ivan Calia Barchese

    IPC: B22F9/08

    CPC classification number: C22C33/0278 ,  B22F2009/0828 ,  B22F2009/0892 ,  B22F2998/10 ,  B22F9/082 ,  B22F1/0088 ,  B22F3/02

    Abstract: A tablet formed by prealloys iron-aluminum produced from atomized powders to be used as additive element in aluminum alloys, is manufactured by the method having the steps of obtaining a metallic alloy by fusion of iron and aluminum with the iron and aluminum added in an electric arc or induction furnace, atomizing the melted alloy by transporting the melted alloy to an intermediary container with an opening as a metal flux controlled by a valve located in the opening for controlling and proportionating a continuous flux and supplying a jet of water under pressure when the liquid metal drains to provide atomization and to produce small droplets that cool in water, solidify and are deposited as a powder; reducing humidity of the powder; classifying the thusly produced material, and compacting a thin fraction of the material for obtaining tablets; a tablet.

    Abstract translation: 通过以下方法制造由用于铝合金中的添加元素的由雾化粉末制备的预先合成铁 - 铝的片剂，所述方法具有以下步骤：通过铁和铝的熔融获得金属合金与以电 电弧或感应电炉，通过将熔融合金输送到具有作为金属助熔剂的开口的中间容器来雾化熔融的合金，该金属焊剂由位于开口中的阀控制，用于控制和配量连续焊剂并在压力下供给水射流 液态金属排水管以提供雾化并产生在水中冷却的小液滴，固化并作为粉末沉积; 降低粉末的湿度; 对由此产生的材料进行分级，并压制薄片材料以获得片剂; 一个平板电脑

    Agglomerated stainless steel powder compositions and methods for making same
    23.
    发明申请
    Agglomerated stainless steel powder compositions and methods for making same 审中-公开
    聚集不锈钢粉末组合物及其制备方法

    公开(公告)号：US20030177866A1

    公开(公告)日：2003-09-25

    申请号：US10104844

    申请日：2002-03-22

    Applicant: OMG Americas, Inc.

    Inventor： Nic Veloff ,  Prasan K. Samal

    IPC: B22F009/08

    CPC classification number: B22F1/0059 ,  B22F1/0096 ,  B22F2009/0828 ,  B22F2998/10 ,  B22F9/082

    Abstract: An agglomerated stainless steel powder composition for use in rigid-die powder metallurgy is provided. The composition preferably comprises a pre-alloyed water atomized stainless steel powder and a water-soluble binder. It exhibits minimal dusting, segregation, and die galling, has good compressibility and flow rate, and produces a finished part essentially free of non-metal residues. Methods for making this agglomerated stainless steel powder composition are also provided. Improved stainless steel rigid-die powder metallurgical parts are also provided.

    Abstract translation: 提供了一种用于刚性粉末冶金的凝聚不锈钢粉末组合物。 组合物优选包含预合金化的水雾化不锈钢粉末和水溶性粘合剂。 它具有最小的除尘，分离和模具磨损，具有良好的压缩性和流动速率，并且产生基本上不含非金属残留物的成品部件。 还提供了制造该附聚不锈钢粉末组合物的方法。 还提供了改进的不锈钢刚性模具粉末冶金零件。

    Water-atomized iron powder and method
    24.
    发明授权
    Water-atomized iron powder and method 失效
    水雾铁粉及方法

    公开(公告)号：US5462577A

    公开(公告)日：1995-10-31

    申请号：US243997

    申请日：1994-05-18

    Applicant: Kuniaki Ogura ,  Hiroyuki Ishikawa ,  Yoshiaki Maeda ,  Kouichi Komamura

    Inventor： Kuniaki Ogura ,  Hiroyuki Ishikawa ,  Yoshiaki Maeda ,  Kouichi Komamura

    IPC: B22F9/08 ,  C22C33/02 ,  B22F1/00

    CPC classification number: C22C33/0264 ,  B22F9/082 ,  C22C33/02 ,  B22F2009/0828 ,  B22F2998/00

    Abstract: Water-atomized iron powder for powder metallurgy having a hardness of particle cross section of from about Hv 80 or higher to about 250 or lower, the iron powder having been atomized with water and dried, and having a particle surface covered with oxides which are reducible in a sintering atmosphere, and which has an oxygen content of 1.0 wt. % or less.The water-atomized ion powder can be made by an improved and simplified processing, and the cost of resulting sintered products is decreased as a result of its use.

    Abstract translation: 用于粉末冶金的水雾铁粉末，具有约Hv 80或更高至约250或更低的颗粒横截面硬度，铁粉已用水雾化并干燥，并且具有被可还原的氧化物覆盖的颗粒表面 在烧结气氛中，氧含量为1.0重量％。 ％ 或更少。 水雾化的离子粉末可以通过改进和简化的加工制成，并且由于使用而导致烧结产品的成本降低。

    Method for preparing metal powder by water atomization
    28.
    发明授权
    Method for preparing metal powder by water atomization 有权

    公开(公告)号：US12064816B2

    公开(公告)日：2024-08-20

    申请号：US17295059

    申请日：2018-11-20

    Applicant: HUNAN TERRY NEW MATERIALS CO., LTD

    Inventor： Jinsong Huang ,  Xin Jin

    IPC: B22F9/08 ,  B22F1/05

    CPC classification number: B22F9/082 ,  B22F1/05 ,  B22F2009/0828 ,  B22F2009/086 ,  B22F2301/10

    Abstract: A method for preparing metal powder by water atomization is disclosed. The method includes the steps of smelting, atomization, separation and drying, and the metal powder is freeze-dried in the drying step. Experiments show that freeze-drying is an important factor affecting oxygen content indexes of copper and copper alloys, and can be applied to the preparation of copper and copper alloy powder and even metal powder with low oxygen content. The method further considers all the details that may cause oxidation during the atomization process, and takes comprehensive measures to greatly reduce the probability of oxidization of copper and copper alloy powder, so that the oxygen content and oxidation of the water atomized powder are effectively reduced, and the water atomized powder is not easy to be oxidized during long-term storage.

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