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    REINFORCED ROLL AND METHOD OF MAKING SAME
    1.
    发明申请
    REINFORCED ROLL AND METHOD OF MAKING SAME 审中-公开
    增强辊及其制造方法

    公开(公告)号：WO2011008439A2

    公开(公告)日：2011-01-20

    申请号：PCT/US2010/039574

    申请日：2010-06-23

    Applicant: TDY INDUSTRIES, INC. ,  MIRCHANDANI, Prakash K. ,  CHANDLER, Morris E.

    Inventor： MIRCHANDANI, Prakash K. ,  CHANDLER, Morris E.

    IPC: B02C15/00 ,  B32B15/04 ,  B32B5/00 ,  B22F7/04 ,  B32B37/12 ,  B22D19/14 ,  B22D19/00 ,  B22D25/00 ,  B23K31/02 ,  B23P11/00

    CPC classification number: B22F7/062 ,  B02C4/305 ,  C22C1/1068 ,  C22C29/06 ,  Y10T29/49545 ,  Y10T29/49826 ,  Y10T156/10 ,  Y10T428/12097 ,  Y10T428/24 ,  Y10T428/249921

    Abstract: An article in the form of one of a plate, a sheet, a cylinder, and a portion of a cylinder, which is adapted for use as at least a portion of a wear resistant working surface of a roll is disclosed. The article includes a metal matrix composite comprising a plurality of inorganic particles dispersed in a matrix material. The matrix material includes at least one of a metal and a metal alloy, wherein the melting temperature of the inorganic particles is greater than the melting temperature of the matrix material. A plurality of hard elements are embedded in the metal matrix composite. The wear resistance of the metal matrix composite is less than the wear resistance of the hard elements, and the metal matrix composite preferentially wears away when the article is in use, thereby providing or preserving gaps between each of the plurality of hard elements at a working surface of the article.

    Abstract translation: 一种制品，其形式为板，片，圆柱体和圆柱体的一部分中的一种，其适合用作至少一部分的耐磨工作表面 卷被披露。 该制品包括金属基质复合物，其包含分散在基质材料中的多个无机颗粒。 基体材料包括金属和金属合金中的至少一种，其中无机颗粒的熔化温度大于基体材料的熔化温度。 多个硬质元件嵌入金属基质复合材料中。 金属基质复合材料的耐磨性小于硬质元件的耐磨性，并且当制品使用时金属基质复合材料优先磨损掉，从而在工作时在多个硬质元件中的每一个之间提供或保留间隙 文章的表面。

    COMPOSITE CUTTING INSERTS AND METHODS OF MAKING THE SAME
    3.
    发明申请
    COMPOSITE CUTTING INSERTS AND METHODS OF MAKING THE SAME 审中-公开

    公开(公告)号：WO2007022336A3

    公开(公告)日：2007-02-22

    申请号：PCT/US2006/032102

    申请日：2006-08-17

    Applicant: TDY INDUSTRIES, INC. ,  FANG, X., Daniel ,  WILLS, David, J. ,  MIRCHANDANI, Prakash, K.

    Inventor： FANG, X., Daniel ,  WILLS, David, J. ,  MIRCHANDANI, Prakash, K.

    IPC: B22F7/06 ,  C22C29/00 ,  B23P15/28

    Abstract: Embodiments of the present invention include methods of producing a composite article. A method comprises introducing a first powdered metal grade from a feed shoe into a first portion of a cavity in a die and a second powdered metal grade from the feed shoe into a second portion of the cavity, wherein the first powder metal grade differs from the second powdered metal grade in chemical composition or particle size. Further methods are also provided. Embodiments of the present invention also comprise composite inserts for material removal operations. The composite inserts may comprise a first region and a second region, wherein the first region comprises a first composite material and the second region comprises a second composite material.

    EARTH-BORING BITS
    4.
    发明申请
    EARTH-BORING BITS 审中-公开
    地球。

    公开(公告)号：WO2005106183A1

    公开(公告)日：2005-11-10

    申请号：PCT/US2005/014742

    申请日：2005-04-28

    Applicant: TDY INDUSTRIES, INC. ,  BACKER HUGHES INCORPORATED ,  MIRCHANDANI, Prakash, K. ,  EASON, Jimmy, W. ,  OAKES, James, J. ,  WESTHOFF, James, C. ,  COLLINS, Gabriel, B. ,  CLADWELL, Steven, G. ,  STEVENS, John, H. ,  MOSCO, Alfred, J.

    Inventor： MIRCHANDANI, Prakash, K. ,  EASON, Jimmy, W. ,  OAKES, James, J. ,  WESTHOFF, James, C. ,  COLLINS, Gabriel, B. ,  CLADWELL, Steven, G. ,  STEVENS, John, H. ,  MOSCO, Alfred, J.

    IPC: E21B10/46

    CPC classification number: E21B10/46 ,  B22F2005/001 ,  B22F2998/00 ,  C22C1/1068 ,  C22C29/00 ,  C22C29/005 ,  C22C29/067 ,  B22F7/06

    Abstract: The present invention relates to compositions and methods for forming a bit body for an earth-boring bit. The bit body may comprise hard particles, wherein the hard particles comprise at least one carbide, nitride, boride, and oxide and solid solutions thereof, and a binder binding together the hard particles. The binder may comprise at least one metal selected from cobalt, nickel, and iron, and, optionally, at least one melting point reducing constituent selected from a transition metal carbide in the range of (30) to (60) weight percent, boron up to (10) weight percent, silicon up to (20) weight percent, chromium up to (20) weight percent, and manganese up to (25) weight percent, wherein the weight percentages are based on the total weight of the binder. In addition, the hard particles may comprise at least one of (i) cast carbide (WC + W2C) particles, (ii) transition metal carbide particles selected from the carbides of titanium, chromium, vanadium, zirconium, hafnium, tantalum, molybdenum, niobium, and tungsten, and (iii) sintered cemented carbide particles.

    Abstract translation: 本发明涉及用于形成钻头的钻头体的组合物和方法。 钻头体可以包括硬质颗粒，其中硬颗粒包含至少一种碳化物，氮化物，硼化物及其氧化物和固体溶液，以及将硬颗粒结合在一起的粘合剂。 粘合剂可以包含选自钴，镍和铁中的至少一种金属，和任选的至少一种选自（30）至（60）重量百分比范围的过渡金属碳化物的熔点降低成分，硼上 至（10）重量百分比，硅至（20）重量百分比，铬至（20）重量百分比，以及至多（25）重量百分比的锰，其中重量百分数是基于粘合剂的总重量。 此外，硬颗粒可以包括（i）碳化钨（WC + W2C）颗粒，（ii）过渡金属碳化物颗粒中的至少一种，其选自钛，铬，钒，锆，铪，钽，钼， 铌和钨，和（iii）烧结的硬质合金颗粒。

    METHODS OF FORMING WEAR RESISTANT LAYERS ON METALLIC SURFACES
    5.
    发明申请
    METHODS OF FORMING WEAR RESISTANT LAYERS ON METALLIC SURFACES 审中-公开

    公开(公告)号：WO2013032626A3

    公开(公告)日：2013-03-07

    申请号：PCT/US2012/049284

    申请日：2012-08-02

    Applicant: TDY INDUSTRIES, LLC ,  MIRCHANDANI, Prakash K. ,  CHANDLER, Morris E.

    Inventor： MIRCHANDANI, Prakash K. ,  CHANDLER, Morris E.

    IPC: C23C26/00 ,  C23C26/02 ,  C23C24/10

    Abstract: Methods for forming a wear resistant layer metallurgically bonded to at least a portion of a surface of a metallic substrate may generally comprise positioning hard particles adjacent the surface of the metallic substrate, and infiltrating the hard particles with a metallic binder material to form a wear resistant layer metallurgically bonded to the surface. In certain embodiments of the method, the infiltration temperature may be 50C to 100C greater than a liquidus temperature of the metallic binder material. The wear resistant layer may be formed on, for example, an exterior surface and/or an interior surface of the metallic substrate. Related wear resistant layers and articles of manufacture are also described.

    REINFORCED ROLL AND METHOD OF MAKING SAME
    6.
    发明申请
    REINFORCED ROLL AND METHOD OF MAKING SAME 审中-公开
    加强辊和制造方法

    公开(公告)号：WO2011008439A3

    公开(公告)日：2011-10-13

    申请号：PCT/US2010039574

    申请日：2010-06-23

    Applicant: TDY IND INC ,  MIRCHANDANI PRAKASH K ,  CHANDLER MORRIS E

    Inventor： MIRCHANDANI PRAKASH K ,  CHANDLER MORRIS E

    IPC: C22C1/10 ,  B22F7/06 ,  B23P15/00 ,  C22C29/08

    CPC classification number: B22F7/062 ,  B02C4/305 ,  C22C1/1068 ,  C22C29/06 ,  Y10T29/49545 ,  Y10T29/49826 ,  Y10T156/10 ,  Y10T428/12097 ,  Y10T428/24 ,  Y10T428/249921

    Abstract: An article in the form of one of a plate, a sheet, a cylinder, and a portion of a cylinder, which is adapted for use as at least a portion of a wear resistant working surface of a roll is disclosed. The article includes a metal matrix composite comprising a plurality of inorganic particles dispersed in a matrix material. The matrix material includes at least one of a metal and a metal alloy, wherein the melting temperature of the inorganic particles is greater than the melting temperature of the matrix material. A plurality of hard elements are embedded in the metal matrix composite. The wear resistance of the metal matrix composite is less than the wear resistance of the hard elements, and the metal matrix composite preferentially wears away when the article is in use, thereby providing or preserving gaps between each of the plurality of hard elements at a working surface of the article.

    Abstract translation: 公开了一种适于用作辊的耐磨工作表面的至少一部分的板，片，圆筒和圆筒的一部分形式的制品。 该制品包括包含分散在基质材料中的多个无机颗粒的金属基质复合材料。 基质材料包括金属和金属合金中的至少一种，其中无机颗粒的熔融温度大于基质材料的熔融温度。 多个硬元素嵌入金属基质复合材料中。 金属基复合材料的耐磨性小于硬质元件的耐磨性，并且当使用该制品时，金属基复合材料优先磨损，从而在工作时提供或保留多个硬元件中的每一个之间的间隙 表面的物品。

    THREAD ROLLING DIE
    7.
    发明申请
    THREAD ROLLING DIE 审中-公开
    螺纹滚筒

    公开(公告)号：WO2011059658A1

    公开(公告)日：2011-05-19

    申请号：PCT/US2010/053650

    申请日：2010-10-22

    Applicant: TDY INDUSTRIES, INC. ,  MIRCHANDANI, Prakash K. ,  SHOOK, V. Brian ,  BOWMAN, Grayson L. ,  BROWN, Matthew D.

    Inventor： MIRCHANDANI, Prakash K. ,  SHOOK, V. Brian ,  BOWMAN, Grayson L. ,  BROWN, Matthew D.

    IPC: B21H3/04 ,  B21H3/06

    CPC classification number: B21H3/04 ,  B21H3/06

    Abstract: A thread rolling die (10) includes a thread rolling region (12) comprising a working surface (14) including a thread form (16). The thread rolling region (12) of the thread rolling die (10) comprises a sintered cemented carbide material having a hardness in the range of 78 HRA to 89 HRA. In certain embodiments, the thread rolling die (10) may further include at least one non-cemented carbide piece (18) metallurgically bonded to the thread rolling region (12) in an area of the thread rolling region that does not prevent a workpiece from contacting the working surface, and wherein the non-cemented carbide piece (18) comprises at least one of a metallic region and a metal matrix composite region.

    Abstract translation: 螺纹轧制模具（10）包括具有包括螺纹形式（16）的工作表面（14）的螺纹滚动区域（12）。 螺纹轧制模具（10）的螺纹滚动区域（12）包括硬度在78HRC至89HRC范围内的烧结硬质合金材料。 在某些实施例中，螺纹轧制模具（10）还可以包括至少一个在螺纹滚动区域上冶金结合到螺纹滚动区域（12）上的非硬质合金件（18），该区域不阻止工件 使所述工作表面接触，并且其中所述非硬质合金片（18）包括金属区域和金属基质复合区域中的至少一个。

    CEMENTED CARBIDE-METALLIC ALLOY COMPOSITES
    9.
    发明申请
    CEMENTED CARBIDE-METALLIC ALLOY COMPOSITES 审中-公开
    CEMENTED碳化物 - 金属合金复合材料

    公开(公告)号：WO2009149071A2

    公开(公告)日：2009-12-10

    申请号：PCT/US2009/045953

    申请日：2009-06-02

    Applicant: TDY INDUSTRIES, INC. ,  MIRCHANDANI, Prakash, K. ,  CHANDLER, Morris, E. ,  OLSEN, Eric, W.

    Inventor： MIRCHANDANI, Prakash, K. ,  CHANDLER, Morris, E. ,  OLSEN, Eric, W.

    CPC classification number: C22C29/00 ,  B22F2998/00 ,  B22F2998/10 ,  B22F2999/00 ,  C22C27/04 ,  C22C29/08 ,  C22C32/00 ,  B22F3/02 ,  B22F3/10 ,  B22F2201/013 ,  B22F2201/20

    Abstract: A macroscopic composite sintered powder metal article including a first region including cemented hard particles, for example, cemented carbide. The article includes a second region including one of a metal and a metallic alloy selected from the group consisting of a steel, nickel, a nickel alloy, titanium, a titanium alloy, molybdenum, a molybdenum alloy, cobalt, a cobalt alloy, tungsten, and a tungsten alloy. The first region is metallurgically bonded to the second region, and the second region has a thickness of greater than 100 microns. A method of making a macroscopic composite sintered powder metal article is also disclosed, herein. The method includes co-press and sintering a first metal powder including hard particles and a powder binder and a second metal powder including the metal or metal alloy.

    Abstract translation: 一种宏观复合烧结粉末金属制品，其包括具有硬质合金的第一区域，例如硬质合金。 所述制品包括第二区域，所述第二区域包括选自钢，镍，镍合金，钛，钛合金，钼，钼合金，钴，钴合金，钨中的金属和金属合金之一， 和钨合金。 第一区域冶金结合到第二区域，第二区域具有大于100微米的厚度。 本文还公开了制造宏观复合烧结粉末金属制品的方法。 该方法包括将包含硬颗粒和粉末粘合剂的第一金属粉末和包括金属或金属合金的第二金属粉末共压并烧结。

    COMPOSITE ARTICLE WITH COOLANT CHANNELS AND TOOL FABRICATION METHOD
    10.
    发明申请
    COMPOSITE ARTICLE WITH COOLANT CHANNELS AND TOOL FABRICATION METHOD 审中-公开
    具有冷却通道和工具制造方法的复合材料

    公开(公告)号：WO2007001870A3

    公开(公告)日：2007-05-10

    申请号：PCT/US2006023238

    申请日：2006-06-14

    Applicant: TDY IND INC ,  MIRCHANDANI PRAKASH K ,  WALLER MICHAEL E ,  WEIGOLD JEFFREY L ,  SWEARENGIN BILLY D

    Inventor： MIRCHANDANI PRAKASH K ,  WALLER MICHAEL E ,  WEIGOLD JEFFREY L ,  SWEARENGIN BILLY D

    IPC: B22F7/06 ,  B22F5/10

    CPC classification number: B29C47/06 ,  B21C23/22 ,  B21C25/02 ,  B22F5/10 ,  B22F7/06 ,  B22F2005/001 ,  B22F2005/004 ,  B22F2998/00 ,  B22F2998/10 ,  Y10T407/19 ,  Y10T407/1904 ,  Y10T408/907 ,  Y10T428/131 ,  Y10T428/1317 ,  B22F3/20 ,  B22F3/04 ,  B22F5/106

    Abstract: Embodiments of the present invention include composite articles comprising at least a first region and a second region and methods of making such articles. The first region may comprise a first composite material, wherein the first region comprises less than 5 wt. % cubic carbides by weight, and the second region may comprise a second composite material, wherein the second composite material differs from the first composite material in at least one characteristic. The composite article may additionally comprise at least one coolant channel. In certain embodiments, the first and second composite material may individually comprise hard particles in a binder, wherein the hard particles independently comprise at least one of a carbide, a nitride, aboride, a silicide, an oxide, and solid solutions thereof and the binder comprises at least one metal selected from cobalt, nickel, iron and alloys thereof. In specific embodiments, the first composite material and the second composite material may individually comprise metal carbides in a binder, such as a cemented carbide.

    Abstract translation: 本发明的实施例包括至少包括第一区域和第二区域的复合制品以及制造这种制品的方法。 第一区域可以包括第一复合材料，其中第一区域包含小于5wt。 并且第二区域可以包括第二复合材料，其中第二复合材料与第一复合材料在至少一个特性上不同。 复合制品还可以包括至少一个冷却剂通道。 在某些实施方案中，第一和第二复合材料可以单独地包含粘合剂中的硬颗粒，其中硬颗粒独立地包括碳化物，氮化物，硼化物，硅化物，氧化物和固溶体中的至少一种和粘合剂 包括选自钴，镍，铁及其合金中的至少一种金属。 在具体实施方案中，第一复合材料和第二复合材料可以单独地包括粘合剂中的金属碳化物，例如硬质合金。

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