HYDRIDE-COATED MICROPARTICLES AND METHODS FOR MAKING THE SAME
    7.
    发明申请
    HYDRIDE-COATED MICROPARTICLES AND METHODS FOR MAKING THE SAME 审中-公开
    水性涂​​料微胶囊及其制备方法

    公开(公告)号:US20150337423A1

    公开(公告)日:2015-11-26

    申请号:US14720757

    申请日:2015-05-23

    摘要: A metal microparticle coated with metal hydride nanoparticles is disclosed. Some variations provide a material comprising a plurality of microparticles (1 micron to 1 millimeter) containing a metal or metal alloy and coated with a plurality of nanoparticles (less than 1 micron) containing a metal hydride or metal alloy hydride. The invention eliminates non-uniform distribution of sintering aids by attaching them directly to the surface of the microparticles. No method is previously known to exist which can assemble nanoparticle metal hydrides onto the surface of a metal microparticle. Some variations provide a solid article comprising a material with a metal or metal alloy microparticles coated with metal hydride or metal alloy hydride nanoparticles, wherein the nanoparticles form continuous or periodic inclusions at or near grain boundaries within the microparticles.

    摘要翻译: 公开了涂覆有金属氢化物纳米颗粒的金属微粒。 一些变型提供了包含多个含有金属或金属合金的微粒(1微米至1毫米)并涂覆有含有金属氢化物或金属合金氢化物的多个纳米颗粒(小于1微米)的材料。 本发明通过将它们直接附着在微粒的表面上来消除烧结助剂的不均匀分布。 以前不知道存在可以将纳米颗粒金属氢化物装配到金属微粒表面上的方法。 一些变型提供了一种固体制品,其包括具有用金属氢化物或金属合金氢化物纳米颗粒涂覆的金属或金属合金微粒的材料,其中纳米颗粒在微粒内或其附近的晶界处或附近形成连续或周期性的夹杂物。

    Heat treatments of ALM formed metal mixes to form super alloys
    8.
    发明授权
    Heat treatments of ALM formed metal mixes to form super alloys 有权
    热处理ALM形成的金属混合物形成超级合金

    公开(公告)号:US08986604B2

    公开(公告)日:2015-03-24

    申请号:US13275694

    申请日:2011-10-18

    申请人: Gordon Green

    发明人: Gordon Green

    摘要: A method of forming an article includes forming a layer of a mixture of at least two distinct metal powders selected such that when combined they are chemically in the proportions of a superalloy containing a gamma prime phase, and fusing the powders locally without diffusion to define the shape of a part of the article such that the materials of the distinct metal powders remain substantially chemically segregated forming regions of different chemical composition. The method further includes repeating the forming and fusing until the derived article is formed, and heat treating the finished article such that at least one of the distinct separate materials diffuses to form a gamma prime phase containing superalloy with the other.

    摘要翻译: 形成制品的方法包括形成选自至少两种不同的金属粉末的混合物层,使得当它们组合时,它们以含有γ'相的超合金的比例化学化,并且在不扩散的情况下将粉末局部熔融以限定 制品的一部分的形状,使得不同金属粉末的材料基本上化学分离形成不同化学成分的区域。 该方法还包括重复成型和熔合,直到形成衍生物品,并且对最终制品进行热处理,使得至少一种不同的独立材料扩散以形成含有超合金的伽马质相。

    Iron-based alloy powder
    9.
    发明授权
    Iron-based alloy powder 有权
    铁基合金粉末

    公开(公告)号:US08685180B2

    公开(公告)日:2014-04-01

    申请号:US12918483

    申请日:2009-02-19

    IPC分类号: C22C38/12

    摘要: A powder for a sintered valve sheet made of an iron-based alloy is provided, which has excellent compactibility and abrasion resistance and from which a carbide that may abrade a counterpart is not precipitated. A powder is provided, wherein a molten steel, in which carbon is controlled to be less than 0.1% by mass to avoid precipitation of a carbide, 0.5 to 8.5% by mass of Si, 10 to 25% by mass of Ni, 5 to 20% by mass of Mo, and 5 to 20% by mass of Co are contained, and a remainder includes Fe and incidental impurities, is rapidly cooled by a conventional technique such as a gas atomization method, a water atomization method, or a centrifugal force atomization method, so that a supersaturated solid solution of the alloy elements consisting mainly of austenite, which is effective in softening the powder, is formed. Since the powder has low hardness, the compactibility is excellent at the time of compression molding. On the other hand, since the powder is hardened after sintering, a valve sheet as a final product has excellent abrasion resistance. In addition, since no carbide is precipitated, the counterpart may not be abraded.

    摘要翻译: 提供了一种由铁基合金制成的烧结阀片的粉末,其具有优异的紧密性和耐磨性,并且可能磨损对应物的碳化物不会沉淀。 提供一种粉末,其中将碳控制在小于0.1质量%以防止碳化物沉淀的钢水,0.5〜8.5质量%的Si,10〜25质量%的Ni,5〜5质量% 含有20质量%的Mo和5〜20质量%的Co,余量包括Fe和杂质,通过常规技术如气体雾化法,水雾化法或离心法快速冷却 形成主要由奥氏体组成的合金元素的过饱和固溶体,其有效地软化粉末。 由于粉末硬度低,压缩成形时的压实性优异。 另一方面,由于粉末在烧结后硬化,作为最终产品的阀片具有优异的耐磨性。 此外,由于没有碳化物沉淀,对应物可能不被磨损。

    Substrates comprising switchable ferromagnetic nanoparticles
    10.
    发明授权
    Substrates comprising switchable ferromagnetic nanoparticles 失效
    衬底包括可切换的铁磁性纳米粒子

    公开(公告)号:US08632814B2

    公开(公告)日:2014-01-21

    申请号:US12887138

    申请日:2010-09-21

    申请人: Ekkehard Brueck

    发明人: Ekkehard Brueck

    IPC分类号: A61K9/14

    摘要: In a process for producing organic substrate particles bonded to switchable ferromagnetic nanoparticles with a mean particle diameter in the range from 10 to 1000 nm, the ferromagnetic nanoparticles used are those nanoparticles which are nonferromagnetic at first, but become ferromagnetic when the temperature is lowered, these at first nonferromagnetic nanoparticles in dispersed form are bonded to the organic substance particles, and then the nanoparticles bonded to the substrate particles are made ferromagnetic as a result of the temperature being lowered.

    摘要翻译: 在制造平均粒径为10〜1000nm的可切换铁磁性纳米粒子的有机基体粒子的制造方法中,使用的铁磁性纳米粒子首先是非铁磁性的,当温度降低时变成铁磁性, 首先将分散形式的非磁性纳米粒子结合到有机物质颗粒上,然后结合到基底颗粒的纳米颗粒由于温度降低而变成铁磁性的。