公开(公告)号：US20180178283A1

公开(公告)日：2018-06-28

申请号：US15391251

申请日：2016-12-27

Applicant: Wenhui Jiang

Inventor： Wenhui Jiang

IPC: B22F1/02 ,  B23K35/02 ,  C22C19/05 ,  C04B35/56 ,  C04B35/628

CPC classification number: B22F1/025 ,  B22F2301/205 ,  B22F2999/00 ,  B23K35/0227 ,  B23K35/025 ,  B23K35/0261 ,  C04B35/5626 ,  C04B35/62828 ,  C04B35/62831 ,  C04B35/62836 ,  C04B35/62897 ,  C04B2235/3843 ,  C04B2235/5436 ,  C22C19/058 ,  C22C29/08

Abstract: A hardfacing composition comprising tungsten carbide particles having a barrier coating and a binder alloy is disclosed. The tungsten carbide particles comprise at least one kind of cast tungsten carbide, carburized tungsten carbide, macro-crystalline tungsten carbide, or sintered tungsten carbide. The barrier coating comprises at least one of metallic carbides, borides, nitrides, or their hybrid compounds. The hardfacing composition takes one of the forms selected from a welding/brazing tube, rod, rope, powder, paste, slurry, or cloth, which are suitable for being applied by various welding or brazing methods. The barrier coating would prevent or mitigate the degradation of the tungsten carbide particles due to attack of a molten binder alloy during a welding or brazing process. One of thermoreactive deposition/diffusion methods—halide activated pack cementation for making tungsten carbide particles having a barrier coating is disclosed.

公开(公告)号：US20180118628A1

公开(公告)日：2018-05-03

申请号：US15569109

申请日：2016-04-22

Applicant: Element Six (UK) Limited

Inventor： Santonu GHOSH ,  Martin Ryan GARDENER

IPC: C04B35/5831 ,  C04B35/63 ,  C04B35/645 ,  C04B37/00 ,  C22C29/16 ,  B22F5/00

CPC classification number: C04B35/5831 ,  B22F3/14 ,  B22F5/00 ,  B22F2005/001 ,  B22F2302/20 ,  C04B35/117 ,  C04B35/5611 ,  C04B35/58014 ,  C04B35/58021 ,  C04B35/58071 ,  C04B35/581 ,  C04B35/6303 ,  C04B35/645 ,  C04B37/001 ,  C04B2235/3217 ,  C04B2235/3251 ,  C04B2235/3256 ,  C04B2235/3258 ,  C04B2235/3813 ,  C04B2235/3843 ,  C04B2235/3856 ,  C04B2235/386 ,  C04B2235/3865 ,  C04B2235/3886 ,  C04B2235/3895 ,  C04B2235/446 ,  C04B2235/5409 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/5463 ,  C04B2235/5472 ,  C04B2235/77 ,  C04B2235/80 ,  C04B2237/36 ,  C04B2237/361 ,  C22C26/00 ,  C22C29/16

Abstract: A sintered polycrystalline body and a method of forming the sintered polycrystalline body are disclosed. The sintered polycrystalline body comprises a plurality of particles cubic boron nitride dispersed in a matrix. The matrix includes materials selected from compounds of any of titanium and aluminium. The polycrystalline body further comprises 0.1 to 5.0 volume % of lubricating chalcogenide particles dispersed in the matrix. The chalcogenide particles have a coefficient of friction of less than 0.1 with respect to a workpiece material. Preferably sulfide particles are used as lubricant. Preferably 30-70 vol.-% cBN is contained. Sintering takes place at 1100-1600° C. and 4-8 GPa.

公开(公告)号：US09856176B2

公开(公告)日：2018-01-02

申请号：US15247167

申请日：2016-08-25

Applicant: Rolls-Royce High Temperature Composites, Inc.

Inventor： Stephen Harris ,  Robert Shinavski

IPC: C04B35/628 ,  C04B35/80 ,  C04B35/657 ,  C04B35/622 ,  C04B35/56 ,  C04B35/565 ,  C04B35/58 ,  F01D5/28 ,  F23R3/00

CPC classification number: C04B35/803 ,  C04B35/5607 ,  C04B35/5615 ,  C04B35/5618 ,  C04B35/5622 ,  C04B35/565 ,  C04B35/58007 ,  C04B35/58014 ,  C04B35/58028 ,  C04B35/62277 ,  C04B35/62863 ,  C04B35/62868 ,  C04B35/62873 ,  C04B35/62884 ,  C04B35/62894 ,  C04B35/657 ,  C04B35/806 ,  C04B2235/3826 ,  C04B2235/3843 ,  C04B2235/3891 ,  C04B2235/428 ,  C04B2235/44 ,  C04B2235/5244 ,  C04B2235/5256 ,  C04B2235/5436 ,  C04B2235/606 ,  C04B2235/608 ,  C04B2235/616 ,  C04B2235/728 ,  C04B2235/77 ,  C04B2235/80 ,  F01D5/282 ,  F01D5/284 ,  F05D2240/11 ,  F05D2300/222 ,  F05D2300/6033 ,  F23M5/00 ,  F23M2900/05004 ,  F23R3/007

Abstract: A ceramic matrix composite includes continuous silicon carbide fibers in a ceramic matrix comprising silicon carbide and a MAX phase compound having a chemical composition Mn+1AXn, where M is a transition metal selected from the group consisting of: Ti, V, Cr, Sc, Zr, Nb, Mo, Hf, and Ta; A is a group-A element selected from the group consisting of: Al, Si, P, S, Ga, Ge, As, Cd, In, Sn, Tl and Pb; and X is carbon or nitrogen, with n being an integer from 1 to 3.

公开(公告)号：US20170275205A1

公开(公告)日：2017-09-28

申请号：US15513969

申请日：2015-09-08

Applicant: Refractory Intellectual Property GmbH & Co. KG

Inventor： Boro Djuricic ,  Norbert Freiberger ,  Jurgen Muhlhausser ,  Christoph Bauer

IPC: C04B35/10 ,  C04B35/103 ,  C04B38/00

CPC classification number: C04B35/10 ,  C04B35/043 ,  C04B35/101 ,  C04B35/103 ,  C04B35/107 ,  C04B35/66 ,  C04B38/0058 ,  C04B2111/28 ,  C04B2235/3232 ,  C04B2235/3239 ,  C04B2235/3241 ,  C04B2235/3244 ,  C04B2235/3251 ,  C04B2235/3272 ,  C04B2235/3293 ,  C04B2235/349 ,  C04B2235/3817 ,  C04B2235/3826 ,  C04B2235/3843 ,  C04B2235/3852 ,  C04B2235/3895 ,  C04B2235/404 ,  C04B2235/405 ,  C04B2235/425 ,  C04B2235/428 ,  C04B2235/5436 ,  C04B2235/72 ,  C04B2235/728 ,  C04B2235/77 ,  C04B2235/80 ,  C04B38/0074

Abstract: The invention relates to a refractory product, a batch for producing the product, a method for producing the product, and a use of the refractory product.

公开(公告)号：US09719307B1

公开(公告)日：2017-08-01

申请号：US14507638

申请日：2014-10-06

Applicant: US Synthetic Corporation

Inventor： Kenneth E. Bertagnolli ,  Michael A. Vail

IPC: E21B10/55 ,  E21B10/567 ,  E21B10/46 ,  B24D3/10 ,  C04B35/63 ,  C04B35/645

CPC classification number: E21B10/567 ,  B24D3/10 ,  B32B9/00 ,  C04B35/52 ,  C04B35/6303 ,  C04B35/645 ,  C04B2235/3201 ,  C04B2235/3203 ,  C04B2235/3206 ,  C04B2235/3208 ,  C04B2235/3213 ,  C04B2235/3225 ,  C04B2235/3234 ,  C04B2235/3256 ,  C04B2235/3272 ,  C04B2235/3274 ,  C04B2235/3427 ,  C04B2235/3821 ,  C04B2235/3843 ,  C04B2235/421 ,  C04B2235/427 ,  C04B2235/44 ,  C04B2235/442 ,  C04B2235/448 ,  E21B10/55 ,  Y10T407/27

Abstract: A polycrystalline diamond compact useful for wear, cutting, drilling, drawing and like applications is provided with a first diamond region remote from the working surface which has a metallic catalyzing material and a second diamond region adjacent to or including the working surface containing a non-metallic catalyst and the method of making such a compact is provided. This compact is particularly useful in high temperature operations, such as hard rock drilling because of the improved thermal stability at the working surface.

公开(公告)号：US20170166486A1

公开(公告)日：2017-06-15

申请号：US15374658

申请日：2016-12-09

Applicant: University of the Witwatersrand, Johannesburg ,  Fraunhofer-Gesellschaft zur Forderung der Angewandten Forschung E.V.

Inventor： Phylis Sarah Makurunje ,  Iakovos Sigalas ,  Mathias Herrmann

IPC: C04B35/83 ,  C04B35/65

CPC classification number: C04B35/83 ,  C04B35/573 ,  C04B35/65 ,  C04B35/806 ,  C04B2235/3234 ,  C04B2235/3251 ,  C04B2235/3255 ,  C04B2235/3418 ,  C04B2235/36 ,  C04B2235/3839 ,  C04B2235/3843 ,  C04B2235/3891 ,  C04B2235/48 ,  C04B2235/5436 ,  C04B2235/616 ,  C04B2235/666 ,  C04B2235/80

Abstract: The present invention provides for carbide ceramic matrix composite comprising Cf/C—SiC-xMC wherein Cf/C is a carbon fibre reinforced carbon matrix, x is at least 2, and wherein MC are carbides of transition metals with M being at least two different transition metals selected from the group consisting of titanium, zirconium, hafnium, vanadium, niobium, tantalum, chromium, molybdenum, and tungsten. The invention further provides for a method for manufacturing the composite.

公开(公告)号：US09662711B2

公开(公告)日：2017-05-30

申请号：US14400980

申请日：2013-03-26

Applicant: MITSUBISHI MATERIALS CORPORATION

Inventor： Yosuke Miyashita ,  Masahiro Yano ,  Tadakazu Ohashi

IPC: B23B27/14 ,  C04B35/5831 ,  C04B35/628 ,  C04B35/63 ,  C04B35/645 ,  C04B37/02 ,  C04B35/64

CPC classification number: B23B27/14 ,  B23B2226/125 ,  C04B35/5831 ,  C04B35/62813 ,  C04B35/62836 ,  C04B35/62884 ,  C04B35/62889 ,  C04B35/62894 ,  C04B35/62897 ,  C04B35/6303 ,  C04B35/64 ,  C04B35/645 ,  C04B37/026 ,  C04B2235/3217 ,  C04B2235/3804 ,  C04B2235/3813 ,  C04B2235/3843 ,  C04B2235/3847 ,  C04B2235/3856 ,  C04B2235/386 ,  C04B2235/3865 ,  C04B2235/3886 ,  C04B2235/402 ,  C04B2235/404 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/80 ,  C04B2235/96 ,  C04B2237/125 ,  C04B2237/126 ,  C04B2237/127 ,  C04B2237/361 ,  C04B2237/401 ,  Y10T407/27

Abstract: A cBN tool that exhibits: excellent chipping resistance and wear resistance; and excellent cutting performance, for a long term use even in intermittent cutting work on high hardened steel is provided. The cutting tool includes a cutting tool body that is a cubic boron nitride-based material containing cubic boron nitride particles as a hard phase component. In the cutting tool, the cubic boron nitride particles includes an Al2O3 layer with an average layer thickness of 1.0-10 nm on a surface of the cubic boron nitride particles, a rift with an average rift formation ratio of 0.02-0.20 being formed in the Al2O3 layer, and the cubic boron nitride-based sintered material includes a binding phase containing at least one selected from a group consisting of: titanium nitride; titanium carbide; titanium carbonitride; titanium boride; aluminum nitride; aluminum oxide; inevitable products; and mutual solid solution thereof, around the cubic boron nitride particles.

公开(公告)号：US09643892B2

公开(公告)日：2017-05-09

申请号：US14784648

申请日：2014-04-28

Applicant: Element Six Limited ,  Element Six Abrasives S.A.

Inventor： Stig Åke Andersin ,  Antionette Can

IPC: C04B35/5831 ,  C04B35/645 ,  C04B35/626

CPC classification number: C04B35/5831 ,  C04B35/6261 ,  C04B35/645 ,  C04B2235/3804 ,  C04B2235/3839 ,  C04B2235/3843 ,  C04B2235/3847 ,  C04B2235/3856 ,  C04B2235/386 ,  C04B2235/3865 ,  C04B2235/3886 ,  C04B2235/402 ,  C04B2235/404 ,  C04B2235/5409 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/5454 ,  C04B2235/5463 ,  C04B2235/5472 ,  C04B2235/781 ,  C04B2235/783 ,  C04B2235/785 ,  C04B2235/786 ,  C04B2235/80

Abstract: PCBN material consisting of cBN grains dispersed in a matrix, the content of the cBN grains being in the range of about 35 to about 70 volume % of the PCBN material. The matrix comprises at least one kind of chemical compound that includes aluminum (Al) and at least one kind of chemical compound that includes titanium (Ti). The size distribution of the cBN grains exposed at a surface of the PCBN material is such that at least about 50% percent of the total equivalent circle area (ECA) arises from cBN intercept lengths up to 5 microns. At least about 20 percent of the total ECA arises from cBN intercept lengths greater than about 5 microns.

公开(公告)号：US20170101346A1

公开(公告)日：2017-04-13

申请号：US15128871

申请日：2015-03-27

Applicant: MITSUBISHI MATERIALS CORPORATION

Inventor： Kenji YUMOTO ,  Yosuke MIYASHITA

IPC: C04B35/5831

CPC classification number: C04B35/5831 ,  C04B35/6261 ,  C04B35/645 ,  C04B37/026 ,  C04B41/009 ,  C04B41/5068 ,  C04B41/52 ,  C04B41/87 ,  C04B41/89 ,  C04B2235/3217 ,  C04B2235/3804 ,  C04B2235/3813 ,  C04B2235/3843 ,  C04B2235/3856 ,  C04B2235/3865 ,  C04B2235/3886 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/5454 ,  C04B2235/5472 ,  C04B2235/604 ,  C04B2235/661 ,  C04B2235/781 ,  C04B2235/785 ,  C04B2235/80 ,  C04B2235/81 ,  C04B2237/125 ,  C04B2237/36 ,  C04B2237/401 ,  C22C26/00 ,  C22C2026/003 ,  C23C16/34 ,  C04B35/58021 ,  C04B41/4529 ,  C04B41/5063

Abstract: A cBN sintered material cutting tool is provided. The cBN cutting tool includes a cutting tool body, which is a sintered material including cBN grains and a binder phase, wherein the sintered material comprises: the cubic boron nitride grains in a range of 40 volume % or more and less than 60 volume %; and Al in a range from a lower limit of 2 mass % to an upper limit Y, satisfying a relationship, Y=−0.1X+10, Y and X being an Al content in mass % and a content of the cubic boron nitride grains in volume %, respectively, the binder phase comprises: at least a Ti compound; Al2O3; and inevitable impurities, the Al2O3 includes fine Al2O3 grains with a diameter of 10 nm to 100 nm dispersedly formed in the binder phase, and there are 30 or more of the fine Al2O3 grains generated in an area of 1 μm×1 μm in a cross section of the binder phase.

公开(公告)号：US09568246B2

公开(公告)日：2017-02-14

申请号：US14343891

申请日：2012-09-05

Applicant: Jacques Piret

Inventor： Jacques Piret

IPC: F27D1/00 ,  C04B35/66 ,  C21B7/06 ,  C04B35/532 ,  C04B35/626 ,  C04B35/63 ,  C04B37/00 ,  F27B1/14 ,  F27D1/10 ,  C21C5/44

CPC classification number: F27D1/0006 ,  C04B35/532 ,  C04B35/6269 ,  C04B35/6303 ,  C04B35/66 ,  C04B37/005 ,  C04B2235/3232 ,  C04B2235/3843 ,  C04B2235/425 ,  C04B2235/428 ,  C04B2235/5276 ,  C04B2237/086 ,  C04B2237/32 ,  C04B2237/78 ,  C21B7/06 ,  C21C2005/446 ,  F27B1/14 ,  F27D1/10

Abstract: A ramming mass for the block lining of at least some of the refractory elements of a refractory lining of a metallurgical vessel such as a blast furnace, said ramming mass being composed of a mixture of a granular phase and a binder phase, wherein the granular phase and/or binder comprises at least one component having a microporous structure or capable of forming a microporous structure by firing during the blast furnace campaign. The ramming mass is in particular intended for forming the joint between two concentric annular assemblies forming a side wall of the vessel or between a lower part of an inner annular assembly and the periphery of one or more refractory layers forming the floor of the vessel.

Abstract translation: 一种用于冶金容器如高炉的耐火衬里的至少一些难熔元件的块衬的捣打块，所述捣打块由颗粒相和粘结相的混合物组成，其中所述颗粒状相 和/或粘合剂包括至少一种具有微孔结构或能够在高炉活动期间通过烧制形成微孔结构的组分。 捣打物质特别用于在形成容器的侧壁或形成内部环形组件的下部和形成容器的底部的一个或多个耐火层的周边之间形成两个同心环形组件之间的接头。