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    METHOD OF MANUFACTURING PERMANENT MAGNET AND PERMANENT MAGNET
    76.
    发明申请
    METHOD OF MANUFACTURING PERMANENT MAGNET AND PERMANENT MAGNET 审中-公开
    制造永磁体和永磁体的方法

    公开(公告)号：US20100239878A1

    公开(公告)日：2010-09-23

    申请号：US12679623

    申请日：2008-10-28

    申请人： Hiroshi Nagata ,  Yoshinori Shingaki ,  Kazutoshi Takahashi ,  Yasuo Nakadai

    发明人： Hiroshi Nagata ,  Yoshinori Shingaki ,  Kazutoshi Takahashi ,  Yasuo Nakadai

    IPC分类号： B32B15/02 ,  B05D5/00

    CPC分类号： H01F7/02 ,  B22F3/003 ,  B22F3/1007 ,  B22F2003/1046 ,  F27B5/04 ,  F27B5/06 ,  F27D5/0006 ,  H01F41/0293 ,  Y10T428/12028

    摘要： High-performance magnets are obtained by: housing metal evaporating materials (v) containing at least one of Dy and Tb and sintered magnets (S) inside a processing box; disposing the processing box inside a vacuum chamber; thereafter, heating the processing box to a predetermined temperature in a vacuum atmosphere to thereby evaporate the metal evaporating materials and cause them to be adhered to the sintered magnets. The metal atoms of the adhered Dy or Tb are diffused into grain boundaries and/or grain boundary phases of the sintered magnets. A method of manufacturing a permanent magnet is provided in which, even if the sintered magnets and the metal evaporating materials are disposed in close proximity to each other, the squareness of demagnetization curve is not impaired and in which high feasibility of mass production can be attained. While the metal evaporating materials are being evaporated, an inert gas is introduced into the processing chamber in which the sintered magnets are disposed.

    摘要翻译： 通过以下方式获得高性能磁体：将包含Dy和Tb中的至少一种的金属蒸发材料（v）和在处理盒内的烧结磁体（S））容纳; 将处理箱置于真空室内; 之后，在真空气氛中将处理箱加热至预定温度，从而蒸发金属蒸发材料并使它们粘附在烧结磁体上。 附着的Dy或Tb的金属原子扩散到烧结磁体的晶界和/或晶界相。 提供一种制造永磁体的方法，其中即使烧结磁体和金属蒸发材料彼此靠近地设置，也不会损害退磁曲线的矩形度，并且可以实现大批量生产的高可行性 。 当金属蒸发材料被蒸发时，将惰性气体引入其中设置烧结磁体的处理室中。

    High pressure superabrasive particle synthesis
    79.
    发明授权
    High pressure superabrasive particle synthesis 失效
    高压超磨料颗粒合成

    公开(公告)号：US07323049B2

    公开(公告)日：2008-01-29

    申请号：US10791300

    申请日：2004-03-01

    申请人： Chien-Min Sung

    发明人： Chien-Min Sung

    IPC分类号： B28D1/02 ,  B28D11/00 ,  C30B29/04

    CPC分类号： E21B10/5676 ,  B01J3/062 ,  B01J2203/061 ,  B01J2203/062 ,  B01J2203/0635 ,  B01J2203/0645 ,  B01J2203/0655 ,  B01J2203/066 ,  B01J2203/068 ,  B01J2203/0685 ,  B22F2005/001 ,  B22F2999/00 ,  B23D61/18 ,  B23D65/00 ,  B23P15/28 ,  B24D3/08 ,  B24D7/066 ,  B24D18/00 ,  B24D99/005 ,  B24D2203/00 ,  C22C1/051 ,  C22C26/00 ,  C22C2204/00 ,  B22F2207/03 ,  B22F1/0011 ,  B22F3/004 ,  B22F2003/1046

    摘要： An improved method for controlling nucleation sites during superabrasive particle synthesis can provide high quality industrial superabrasive particles with high yield and a narrow size distribution. The synthesis method can include forming a raw material layer, forming a particulate catalyst layer adjacent the raw material layer, and placing crystalline seeds in a predetermined pattern at least partially in the catalyst layer or raw material layer to form a growth precursor. Alternatively, the raw material and catalyst material can be mixed to form a particulate crystal growth layer and then placing the crystalline seeds in a predetermined pattern in the growth layer. Preferably, seeds can be substantially surrounded by catalyst material. The growth precursor can be maintained at a temperature and pressure at which the superabrasive crystal is thermodynamically stable for a time sufficient for a desired degree of growth. The crystalline seeds can be placed in a predetermined pattern using a template, a transfer sheet, vacuum chuck or similar techniques. The superabrasive particles grown using the described methods typically have a high yield of high quality industrial particles and a narrow distribution of particle sizes.

    摘要翻译： 在超磨料颗粒合成中控制成核位置的改进方法可以提供高产率和窄尺寸分布的高质量工业超研磨颗粒。 合成方法可以包括形成原料层，在原料层附近形成颗粒催化剂层，并将至少部分地将结晶晶种至少部分地放置在催化剂层或原料层中以形成生长前体。 或者，可以将原料和催化剂材料混合以形成颗粒状晶体生长层，然后将结晶种子以预定图案放置在生长层中。 优选地，种子可以被催化剂材料基本包围。 生长前体可以保持在超磨料晶体在热力学稳定的温度和压力下达足以达到所需生长程度的时间。 结晶种子可以使用模板，转印片，真空吸盘或类似技术以预定图案放置。 使用所述方法生长的超级磨料颗粒通常具有高产率的高质量工业颗粒和窄粒度分布。