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    NIOBIUM BASED ALLOY THAT IS RESISTANT TO AQUEOUS CORROSION
    4.
    发明申请
    NIOBIUM BASED ALLOY THAT IS RESISTANT TO AQUEOUS CORROSION 审中-公开
    基于NIOBIUM的合金可以抵抗水性腐蚀

    公开(公告)号：US20110008201A1

    公开(公告)日：2011-01-13

    申请号：US12498770

    申请日：2009-07-07

    申请人： Paul R. Aimone ,  Prabhat Kumar

    发明人： Paul R. Aimone ,  Prabhat Kumar

    IPC分类号： C22C27/02 ,  C22B9/22 ,  C22B9/20

    CPC分类号： C22B34/24 ,  C22B9/20 ,  C22B9/226 ,  C22B9/228 ,  C22C27/02

    摘要： A niobium or niobium alloy which contains pure or substantially pure niobium and at least one metal element selected from the group consisting of Ru, Rh, Pd, Os, Ir, Pt, Mo, W and Re to form a niobium alloy that is resistant to aqueous corrosion. The invention also relates to the process of preparing the niobium alloy.

    摘要翻译： 一种铌或铌合金，其含有纯的或基本上纯的铌和至少一种选自Ru，Rh，Pd，Os，Ir，Pt，Mo，W和Re的金属元素，以形成铌合金， 含水腐蚀。 本发明还涉及制备铌合金的方法。

    Refractory metal and alloy refining by laser forming and melting
    5.
    发明授权
    Refractory metal and alloy refining by laser forming and melting 有权
    耐火金属和合金精炼通过激光成形和熔化

    公开(公告)号：US07651658B2

    公开(公告)日：2010-01-26

    申请号：US10501837

    申请日：2003-01-22

    申请人： Paul R. Aimone ,  Prabhat Kumar ,  Peter R. Jepson

    发明人： Paul R. Aimone ,  Prabhat Kumar ,  Peter R. Jepson

    IPC分类号： B22F5/00 ,  B23K26/32

    CPC分类号： B22F5/00 ,  C23C14/3414 ,  C23C24/10

    摘要： A process to chemically refine and consolidate tantalum, niobium and their alloys to a fabricated product of net shape or near-net shape with higher throughput, more consistency, and lower manufacturing costs compared to prior art routes or rejuvenate damaged and deteriorated refractory metal parts. Powder metal is loaded into hoppers to be fed into laser forming/melting equipment. A suitable substrate is loaded into a laser forming/melting chamber onto which the powder will be deposited and consolidated in a point-scan process. As the powder is fed onto successive points of the surface of the substrate in linear traces, the laser is used to heat and partially melt the substrate and completely melt the powder. A combined deposition and melt beam traces the substrate surface repeatedly over a selected area to build up a dense coating of controlled microstructure in multiple layers. A fully dense deposit is built up that becomes the desired shape.

    摘要翻译： 与现有技术路线相比，将钽，铌及其合金化学改善和固结成网状或近净形状的制造产品，具有更高的生产能力，更高的一致性和更低的制造成本，或者使受损和劣化的难熔金属部件恢复活力。 将粉末金属装入料斗中以供入激光成形/熔化设备。 合适的基底被加载到激光成形/熔化室中，粉末将在其中沉积并在点扫描过程中固结到其上。 当粉末以线性迹线供给到基底表面的连续点时，激光用于加热和部分熔化基底并完全熔化粉末。 组合的沉积和熔体束在选择的区域上重复地跟踪衬底表面，以在多层中建立受控微结构的致密涂层。 建立了一个完全致密的沉积物，成为所需的形状。

    Fine grain niobium sheet via ingot metallurgy
    9.
    发明授权
    Fine grain niobium sheet via ingot metallurgy 有权
    通过锭冶金制造细晶铌片

    公开(公告)号：US07666243B2

    公开(公告)日：2010-02-23

    申请号：US10974519

    申请日：2004-10-27

    申请人： Paul R. Aimone ,  Kurt D. Moser ,  Robert A. Dorvel ,  Ryan Balter

    发明人： Paul R. Aimone ,  Kurt D. Moser ,  Robert A. Dorvel ,  Ryan Balter

    IPC分类号： C22B9/20

    CPC分类号： C22F1/18 ,  C22C1/045 ,  C22C27/02 ,  C23C14/3414

    摘要： A method of making a silicon-containing alloy of niobium that includes: A) forming a blend comprising niobium powder and silicon powder and pressing the blend to form pressed blend; B) attaching the pressed blend to an electrode comprising niobium; C) melting the electrode and pressed blend under vacuum arc remelting conditions, such that the blend mixes with the melted electrode; D) cooling the melted electrode to form an alloy ingot; and E) applying thermo-mechanical processing steps to the alloy ingot to form a wrought product. The method provides a fully recrystalized niobium wrought product with a grain size finer that ASTM 5, that can be used to make deep drawn cups and sputtering targets.

    摘要翻译： 一种制造铌含硅合金的方法，其包括：A）形成包含铌粉末和硅粉末的共混物，并压制所述共混物以形成压制共混物; B）将压制的共混物连接到包含铌的电极; C）在真空电弧重熔条件下熔化电极和压制共混物，使得共混物与熔融电极混合; D）冷却熔融的电极以形成合金锭; 和E）将热机械加工步骤应用于合金锭以形成锻造产品。 该方法提供了一种完全重结晶的铌锻造产品，其具有ASTM 5的粒度更细，可用于制备深拉杯和溅射靶。