Boride Containing Patents (Class 419/12)
-
Patent number: 11915861Abstract: There is provided a method for manufacturing a rare earth sintered magnet having a stable magnetic performance, by uniformly distributing a heavy rear earth element to the surface of the magnet and the grain boundary inside of the magnet by using a mixture of a heavy rare earth compound or a heavy rare earth metal alloy and a rare earth magnet powder, to lower a decrease rate of the magnetic characteristics based on the temperature of the rare earth sintered magnet.Type: GrantFiled: September 13, 2018Date of Patent: February 27, 2024Assignee: STAR GROUP IND. CO., LTDInventors: Dong Hwan Kim, Koon Seung Kong
-
Patent number: 11857034Abstract: A titanium sintered body has an average crystal grain diameter on the surface of more than 30 ?m and 500 ?m or less, and a Vickers hardness on the surface of 300 or more and 800 or less. In the titanium sintered body, it is preferred that crystal structures on the surface have an average aspect ratio of 1 or more and 3 or less. Further, in the titanium sintered body, it is preferred that the oxygen content on the surface is 2000 ppm by mass or more and 5500 ppm by mass or less. Further, in the titanium sintered body, it is preferred that titanium is contained as a main component, and an ?-phase stabilizing element and a ?-phase stabilizing element are also present.Type: GrantFiled: August 30, 2018Date of Patent: January 2, 2024Inventor: Keisuke Itotsubo
-
Patent number: 11802326Abstract: An anisotropic bonded magnet and a preparation method thereof are provided. By stacking magnets having different magnetic properties and/or densities, the magnets in the middle have high properties and the magnets at two ends and/or the periphery have low properties, thereby compensating for a property deviation caused by a difference in pressing densities during a pressing process, and improving the property uniformity of the magnets in an axial direction. The method solves the problem of “low in the middle and high at two ends” caused by the phenomenon of non-uniform magnetic field orientation and density along a height direction during orientation and densification.Type: GrantFiled: May 26, 2021Date of Patent: October 31, 2023Assignees: GRIREM HI-TECH CO., LTD., GRIREM ADVANCED MATERIALS CO., LTD., Grirem (Rongcheng) Co., Ltd.Inventors: Yang Luo, Yuanfei Yang, Zilong Wang, Dunbo Yu, Hongbin Zhang, Jiajun Xie, Zhou Hu, Zhongkai Wang
-
Patent number: 11767587Abstract: A target for use in a physical vapor deposition process includes a matrix composed of a composite material selected from the group consisting of aluminum-based material, titanium-based material and chromium-based material and all combinations thereof. The matrix is doped with doping elements and the doping elements are embedded as constituents of ceramic compounds or aluminum alloys in the matrix. The doping elements are selected from the group of the lanthanides: La, Ce, Nb, Sm and Eu. A process for producing such a target and a use of such a target in a physical vapor deposition process are also provided.Type: GrantFiled: February 19, 2018Date of Patent: September 26, 2023Assignee: Plansee Composite Materials GmbHInventors: Peter Polcik, Szilard Kolozsvari, Paul Mayrhofer, Helmut Riedl
-
Patent number: 11396063Abstract: A system used to additively manufacture an object layer-by-layer using direct energy deposition (DED) includes a base where the object is formed, a depositor configured to deposit material layer-by-layer on the base or a previously deposited layer of the object, an energy source configured to selectively direct an energized beam at the material to fuse a new layer of the material to a previously formed layer, and a heating element in contact with at least a portion of the base and configured to supply heat to the base.Type: GrantFiled: March 23, 2020Date of Patent: July 26, 2022Assignee: Rosemount Aerospace Inc.Inventors: Rudy Pitera, Scott Wigen, Paul Robert Johnson, Ryan Philip Chou
-
Patent number: 11396044Abstract: The present invention relates to granular composite density enhancement, and related methods and compositions. The application where the properties are valuable include but are not limited to: 1) additive manufacturing (“3D printing”) involving metallic, ceramic, cermet, polymer, plastic, or other dry or solvent-suspended powders or gels, 2) concrete materials, 3) solid propellant materials, 4) cermet materials, 5) granular armors, 6) glass-metal and glass-plastic mixtures, and 7) ceramics comprising (or manufactured using) granular composites.Type: GrantFiled: March 15, 2016Date of Patent: July 26, 2022Assignees: The Trustees of Princeton University, Heavy Metal LLCInventors: Adam Bayne Hopkins, Salvatore Torquato
-
Patent number: 11251686Abstract: The present disclosure provides a radially oriented solid cylindrical magnet, a method and device for molding and manufacturing the same, and a rotor and motor component using the same. The radial orientation degree of the solid cylindrical magnet is greater than or equal to 90%. A mold includes no mold core. Magnetic particles in the mold are continuously rotated in a magnetic field during molding, and an oriented magnetic field is applied during molding. The manufactured solid cylindrical magnet can be directly used as a rotor of a micro-motor to replace a conventional rotor with a radially oriented magnet ring, or can be used for producing radially oriented magnet rings with an arbitrary inner diameter, so as to obtain radially oriented magnet rings having an inner diameter less than 3 mm or even less for micro-motors.Type: GrantFiled: May 29, 2020Date of Patent: February 15, 2022Assignee: SHENZHEN RADIMAG MAGNETS CO., LTDInventor: Wenhao Cheng
-
Patent number: 11040401Abstract: A throwaway insert includes a base and a cutting edge member. The cutting edge member includes: a rake face; a flank face extending to cross the rake face; a first connecting face connecting the flank face to a side surface of the base and extending to cross the rake face; and a first ridgeline formed by the rake face and the flank face and serving as a cutting edge. When viewed in a plan view from the upper surface of the base, the flank face and the first connecting face are located external to the base. A second ridgeline formed by the rake face and the first connecting face crosses the first ridgeline at an obtuse angle.Type: GrantFiled: October 25, 2016Date of Patent: June 22, 2021Assignee: Sumitomo Electric Sintered Alloy, Ltd.Inventor: Kazuo Maeda
-
Patent number: 10867729Abstract: Provided is a method for producing a sintered body that forms a rare-earth permanent magnet, has a single sintered structure and an arbitrary shape, and has easy magnetization axis orientations of different directions applied to the magnet material particles in a plurality of arbitrary regions. This method forms a three-dimensional first molded article from a composite material formed by mixing a resin material and magnet material particles containing a rare-earth substance. The first molded article is then subjected to a deforming force and a second molded article is formed in which the orientation direction of the easy magnetization axis of the magnet material particles in at least the one section of the horizontal cross-section is changed to a direction which differs from the orientation direction of the first molded article. The second molded article is heated to a sintering temperature and kept at the temperature for a period of time.Type: GrantFiled: March 24, 2016Date of Patent: December 15, 2020Assignee: NITTO DENKO CORPORATIONInventors: Kenichi Fujikawa, Katsuya Kume, Kazuo Ouchi, Toshinobu Hoshino, Masakazu Morimoto, Hirofumi Ono, Katsuyuki Nakabayashi, Miho Yamaguchi, Hiroshi Matsuo, Toshiaki Okuno, Makoto Fujihara, Eiichi Imoto, Hirofumi Ebe, Tomohiro Omure, Izumi Ozeki, Takashi Yamamoto, Yuki Kato, Tomoya Matsuda, Shoichiro Saito
-
Patent number: 10828865Abstract: Composite structures having a reinforced material intermingled with a substrate wherein the reinforced material includes titanium monoboride, titanium diboride, or a combination thereof.Type: GrantFiled: May 23, 2017Date of Patent: November 10, 2020Assignee: Consolidated Nuclear Security, LLCInventors: Roland D. Seals, Edward B. Ripley, Russell L. Hallman
-
Patent number: 10493529Abstract: Provided is a hard sintered body which exhibits excellent high temperature oxidation resistance and has a high hardness at a high temperature. In the hard sintered body, a binder phase is contained at from 8.8 to 34.4 mol % and the balance is composed of a hard phase and inevitable impurities. The binder phase contains iron aluminide containing FeAl as a main component and alumina that is dispersed in iron aluminide and has a particle size of 1 ?m or less. The hard phase is composed of at least one kind selected from carbides, nitrides, carbonitrides and borides of Group 4 metals, Group 5 metals and Group 6 metals in the periodic table, and solid solutions of these.Type: GrantFiled: October 2, 2015Date of Patent: December 3, 2019Assignee: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Koji Shimojima, Ryouichi Furushima, Hiroyuki Hosokawa, Kiyotaka Katou, Akihiro Matsumoto
-
Patent number: 10421900Abstract: An emissive material includes a source of alumina in an amount between about 20 and about 30 weight % (wt. %), B4C in an amount between about 10 and about 20 wt. %, and SiC in an amount between about 55 and about 65 wt. %.Type: GrantFiled: March 6, 2015Date of Patent: September 24, 2019Assignee: RAYTHEON COMPANYInventor: Clifford S. Burnes
-
Patent number: 10208364Abstract: A Ni-based alloy comprises nitrides, of which an estimated largest size is an area-equivalent diameter of 12 ?m to 25 ?m, the estimated largest size of the nitrides being determined by calculating an area-equivalent diameter D which is defined as D=A1/2 in relation to an area A of a nitride with a largest size among nitrides present in a measurement field of view area S0 of an observation of the Ni-based alloy, repeatedly performing this operation for n times corresponding to a measurement field of view number n to acquire n pieces of data of the area-equivalent diameter D, arranging the pieces of data of area-equivalent diameter D in ascending order into D1, D2, . . .Type: GrantFiled: August 6, 2014Date of Patent: February 19, 2019Assignee: Hitachi Metals, Ltd.Inventors: Ikuo Okada, Masaki Taneike, Hidetaka Oguma, Yoshitaka Uemura, Daisuke Yoshida, Yoshiyuki Inoue, Masato Itoh, Kenichi Yaguchi, Tadashi Fukuda, Takanori Matsui
-
Patent number: 9970240Abstract: A polycrystalline diamond (PCD) composite compact element comprising a PCD structure bonded to a cemented carbide substrate, in which at least a peripheral region of the substrate comprises cemented carbide material having a mean free path (MFP) characteristic of at least about 0.1 microns and at most about 0.7 microns; and an elastic limit of at least about 1.9 GPa.Type: GrantFiled: January 13, 2014Date of Patent: May 15, 2018Assignees: Element Six GmbH, Baker Hughes IncorporatedInventors: Danny Eugene Scott, Jimmy Wayne Eason, David Alexander Curry, Igor Yuri Konyashin
-
Patent number: 9969004Abstract: Titanium alloy containing iron, that is, iron-containing titanium alloy having high strength and hardness in which iron in a composition which cannot be realized in a conventional method, is contained with no segregation, and is provided in lower cost. The ?+? titanium alloy or ? titanium alloy is produced by a forming process such as hot extrusion of titanium alloy powder containing 3 to 15 mass % of iron powder. The method for production of the ?+? titanium alloy or ? titanium alloy includes a step of mixing 3 to 15 mass % of iron powder and titanium alloy powder as the remainder, and a step of performing a forming process of hot extrusion on this powder mixture.Type: GrantFiled: December 16, 2011Date of Patent: May 15, 2018Assignees: TOHO TITANIUM CO., LTD., SANYO SPECIAL STEEL CO., LTD.Inventors: Osamu Kanou, Satoshi Sugawara, Hideo Takatori
-
Patent number: 9685263Abstract: A coil component is constituted by a composite magnetic material containing alloy grains whose oxygen atom concentration in their surfaces is 50 percent or less, and resin, and also by a coil. The coil component using the composite magnetic material does not require high pressure when formed.Type: GrantFiled: August 28, 2015Date of Patent: June 20, 2017Assignee: TAIYO YUDEN CO., LTD.Inventor: Hideki Ogawa
-
Patent number: 9555561Abstract: Provided is a method of manufacturing a polyimide substrate. An acid solution is provided to a glass substrate to remove a first cation included in the glass substrate, and a source solution including polyamic acid is provided to the glass substrate. Then, the polyamic acid is cured to form a polyimide substrate on the glass substrate, and the polyimide substrate is separated from the glass substrate.Type: GrantFiled: February 25, 2014Date of Patent: January 31, 2017Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hayk Khachatryan, Hyunwoo Koo, Sunho Kim, Taewoong Kim
-
Patent number: 9487449Abstract: A cubic boron nitride sintered body includes cubic boron nitride, a binder, and a metal catalyst element, a content by percentage of the cubic boron nitride is 50 vol % or more and 85 vol % or less, a content by percentage of the catalyst is 0.5 mass % or more and 5 mass % or less. A sum of a detected peak value of nitrogen and a detected peak value of boron at each of arbitrary measurement points on line segments is calculated, a measurement point at which the sum is a half or less of a maximum value among the sums at all measurement points respectively is identified as a binder-portion measurement point, and a ratio of the number of measurement points at which the catalyst element is not detected among the binder-portion measurement points, to a total number of all binder-portion measurement points, is 30% or less.Type: GrantFiled: October 10, 2013Date of Patent: November 8, 2016Assignee: SUMITOMO ELECTRIC HARDMETAL CORP.Inventors: Yoshiaki Sorai, Katsumi Okamura, Tomohiro Fukaya
-
Patent number: 9177705Abstract: A sintered rare earth magnet rotating machine and method improve temperature properties and strength having an excellent corrosion resistance. The sintered rare earth magnet includes at least a main phase composed of R2T14B (R represents at least one rare earth element of Nd, Pr or both and T represents at least one transition metal element including Fe or Fe and Co) compound and a grain boundary phase containing a higher proportion of R than the main phase, wherein the main phase includes a heavy rare earth element (one of Dy, Tb or both), at least part of main phase grains of the main phase included in the sintered rare earth magnet includes at least the following regions, low, high and intermediate concentration regions. These regions exist in order of low, high, and intermediate concentration regions, from low concentration region towards the grain boundary phase in the main phase grains.Type: GrantFiled: May 25, 2012Date of Patent: November 3, 2015Assignee: TDK CORPORATIONInventors: Tetsuya Hidaka, Kazuo Sato, Kazuya Sakamoto, Shinya Fujito, Motoaki Hosako, Motohisa Murata, Koji Mitake
-
Patent number: 9108276Abstract: The present disclosure relates generally to hardface coating systems and methods for metal alloys and other materials for wear and corrosion resistant applications. More specifically, the present disclosure relates to hardface coatings that include a network of titanium monoboride (TiB) needles or whiskers in a matrix, which are formed from titanium (Ti) and titanium diboride (TiB2) precursors by reactions enabled by the inherent energy provided by the process heat associated with coating deposition and, optionally, coating post-heat treatment. These hardface coatings are pyrophoric, thereby generating further reaction energy internally, and may be applied in a functionally graded manner. The hardface coatings may be deposited in the presence of a number of fluxing agents, beta stabilizers, densification aids, diffusional aids, and multimode particle size distributions to further enhance their performance characteristics.Type: GrantFiled: September 28, 2012Date of Patent: August 18, 2015Assignee: Consolidated Nuclear Security, LLCInventor: Roland D. Seals
-
Publication number: 20150110663Abstract: A cBN material and a method of making a cBN material, the method including the steps of providing a powder mixture comprising cBN grains, aluminum and a Ti(CxNyOz)a powder, subjecting the powder mixture to a milling to form a powder blend, subjecting the powder blend to a forming operation to form a green body, subjecting the green body to a pre-sintering step, at a temperature between 650 to 950° C., to form a pre-sintered body, and subjecting the pre-sintered body to a HPHT operation to form the cBN material. For the Ti(CxNyOz)a powder, 0.05?z?0.4. In addition, a cBN material includes cBN grains, an Al2O3 phase, a binder phase of TiC, TiN and/or TiCN, W and Co, whereby a quotient Q is <0.25 of the cBN material.Type: ApplicationFiled: May 31, 2013Publication date: April 23, 2015Inventors: Gerold Weinl, Annika Kauppi, Malin Martensson, Torbjorn Selinder, Rui Shao
-
Patent number: 8992827Abstract: A process is provided for producing aluminum-titanium-boron grain refining master alloys containing soluble titanium aluminide and insoluble aluminum boride particles, the process comprising mixing aluminum-boron alloy powder and K2TiF6 salt to obtain a blended mixture, heat treating the mixed powder blend thus obtained in an inert gas furnace just below the melting point of aluminum, at approximately 650 degrees Celcius sufficiently long and compacting the heated powder blend in the form of tablets. The cast grain size of an aluminum- 7 wt % silicon foundry alloy after inoculation with this master alloy at an addition level of 0.02% Ti was less than 200 microns for contact times of upto 15 minutes.Type: GrantFiled: February 27, 2009Date of Patent: March 31, 2015Assignee: TubitakInventor: Yucel Birol
-
Patent number: 8937419Abstract: A method for producing a radially anisotropic ring magnet having at least one axial groove on the inner surface comprises using a die comprising a cylindrical, magnetic core, a magnetic sleeve having an axial ridge in alignment with the groove on the outer surface and disposed on an outer peripheral surface of the core, and an outer, cylindrical die member defining a cavity for forming the ring magnet with the magnetic sleeve, and compression-molding magnet powder charged into the cavity while applying a magnetic field in a radial direction, and a radially anisotropic ring magnet substantially having a composition of R-TM-B, wherein R is at least one of rare earth elements including Y, TM is at least one of transition metals, and B is boron, having at least one axial groove on the inner surface, and magnetized such that centerlines between magnetic poles do not overlap grooves.Type: GrantFiled: June 23, 2008Date of Patent: January 20, 2015Assignee: Hitachi Metals, Ltd.Inventors: Nobuyuki Hirai, Mitsutoshi Natsumeda
-
Publication number: 20150015359Abstract: Disclosed herein are a soft magnetic composite including an insulating layer formed along an inter-particle boundary of a soft magnetic core metal powder, a method for preparing the same, and electronic components including the same as a core material. The soft magnetic composite according to the present invention may include the insulating layer formed along the inter-particle boundary of the soft magnetic core metal particles, such that damage to a coating film caused by a molding of the existing soft magnetic powder having the insulation coating film formed therein may be prevented, whereby an eddy current loss may be minimized.Type: ApplicationFiled: July 14, 2014Publication date: January 15, 2015Inventors: Hak Kwan KIM, Sang Kyun KWON, Sung Jae LEE, Sung Yong AN
-
Publication number: 20150004044Abstract: An alloy and method of forming the alloy are provided. The alloy includes a matrix phase, and a multimodally distributed population of particulate phases dispersed within the matrix. The matrix includes iron and chromium, and the population includes a first subpopulation of particulate phases and a second subpopulation of particulate phases. The first subpopulation of particulate phases include a complex oxide, having a median size less than about 15 nm, and present in the alloy in a concentration from about 0.1 volume percent to about 5 volume percent. The second subpopulation of particulate phases have a median size in a range from about 25 nm to about 10 microns, and present in the alloy in a concentration from about 0.1 volume percent to about 15 volume percent. Further embodiments include articles, such as turbomachinery components and fasteners, for example, that include the above alloy, and methods for making the alloy.Type: ApplicationFiled: November 8, 2013Publication date: January 1, 2015Applicant: GENERAL ELECTRIC COMPANYInventors: Laura Cerully Dial, Matthew Joseph Alinger, Richard DiDomizio
-
Publication number: 20150004043Abstract: An alloy and method of forming the alloy are provided. The alloy includes a matrix phase, and a population of particulate phases dispersed within the matrix. The matrix includes iron and chromium; and the population includes a first subpopulation of particulate phases and a second subpopulation of particulate phases. The first subpopulation of particulate phases include a complex oxide, having a median size less than about 20 nm, and present in the alloy in a concentration from about 0.1 volume percent to about 5 volume percent. The second subpopulation of particulate phases have a median size in a range from about 30 nm to about 10 microns, and present in the alloy in a concentration from about 1 volume percent to about 15 volume percent.Type: ApplicationFiled: June 28, 2013Publication date: January 1, 2015Inventors: Richard DiDomizio, Matthew Joseph Alinger, Laura Cerully Dial
-
Publication number: 20140377118Abstract: An ultrasonic welding tool fabricated of powder metal material includes a body and a welding tip extending axially from the body to a working end. The powder metal material can be ferrous-based and admixed with additives, such as alumina, carbide, ferro-molybdenum, ferro-nickel, chrome or tribaloy. An exposed surface of the welding tip can comprise Fe3O4 oxides. The tool is compacted to the desired shape and sintered. The body can include a different second material compacted separately from the welding tip and then joined to the tip and sintered.Type: ApplicationFiled: September 12, 2014Publication date: December 25, 2014Inventor: Denis Christopherson, JR.
-
Publication number: 20140355178Abstract: A capacitor anode including a tungsten sintered body having an average pore diameter of 0.3 ?m or less; and a method for producing the anode. The method includes forming tungsten powder into a molded body having a density (Dg) of 8 g/cm3 or more and then sintering the molded body to a density (Ds) of at least 1.15 times the density (Dg) to form a tungsten sintered body having an average pore diameter of 0.3 ?m or less.Type: ApplicationFiled: August 30, 2012Publication date: December 4, 2014Applicant: SHOWA DENKO K.K.Inventor: Kazumi Naito
-
Patent number: 8889065Abstract: An improved sintered material and product. A nanometer size reinforcement powder is mixed with a micron size titanium or titanium alloy powder. After the reinforcement powder is generally uniformly dispersed, the powder mixture is compacted and sintered, causing the nano reinforcement to react with the titanium or titanium alloy, producing a composite material containing nano and micron size precipitates that are uniformly distributed throughout the material.Type: GrantFiled: September 14, 2006Date of Patent: November 18, 2014Assignee: IAP Research, Inc.Inventors: Bhanumathi Chelluri, Edward Arlen Knoth, Edward John Schumaker, Ryan D. Evans, James. L. Maloney, III
-
Publication number: 20140294655Abstract: The present invention is directed to a method for preparing a permanent magnet, and more specifically, to a method for preparing a high-performance sintered Nd—Fe—B permanent magnet, in order to solve the problems of increased brittleness or high cost present in the permanent magnet prepared by the existing process. A method for preparing a sintered Nd—Fe—B permanent magnet includes the following steps: (1) ingredient calculation and raw material preparation in which calculating ingredients and preparing raw materials according to the ingredient formula of the resultantly sintered Nd—Fe—B permanent magnet in mass fraction, i.e., (NdA?XREX)A(Febal?yMy)balB0.95˜1.03, in which A %+(0.95˜4.03)%+bal %=100%; then dividing the raw materials into a rare earth Fe—B compound and rare earth metals, the formula of the rare earth Fe—B compound in mass fraction being (Nd28?aREa)28(Febal?yMy)balB0.95˜1.03 and that of the rare earth metals being (NdA?28?bREb)A?28.Type: ApplicationFiled: February 14, 2014Publication date: October 2, 2014Inventors: Jingfeng Wu, Jingshan Wu
-
Publication number: 20140271321Abstract: The present invention relates to a method of making a cemented carbide or a cermet body comprising the steps of first forming a powder blend comprising powders forming hard constituents and metal binder. The powder blend is then subjected to a mixing operation using a non-contact mixer wherein acoustic waves achieving resonance conditions to form a mixed powder blend and then subjecting said mixed powder blend to a pressing and sintering operation. The method makes it possible to maintain the grain size, the grain size distribution and the morphology of the WC grains.Type: ApplicationFiled: October 17, 2012Publication date: September 18, 2014Applicant: SANDVIK INTELLECTUAL PROPERTY ABInventors: Carl-Johan Maderud, Tommy Flygare, Michael Carpenter, Jane Smith
-
Publication number: 20140233154Abstract: A method of manufacturing an anode body of a capacitor. An anode body of a capacitor is obtained by sintering a molded body of tungsten powder, which includes sintering the molded body by exposing the molded body to silicon vapor so that at least a part of the surface of the obtained sintered body is made to be tungsten silicide.Type: ApplicationFiled: August 29, 2012Publication date: August 21, 2014Applicant: SHOWA DENKO K.K.Inventors: Kazumi Naito, Shoji Yabe
-
Publication number: 20140147221Abstract: A target for the deposition of mixed crystal layers with at least two different metals on a substrate by means of arc vapor deposition (arc PVD), wherein the target includes at least two different metals. To produce mixed crystal layers which are as free as possible of macroparticles (droplets) according to the invention at least the metal with the lowest melting point is present in the target in a ceramic compound, namely as a metal oxide, metal carbide, metal nitride, metal carbonitride, metal oxynitride, metal oxycarbide, metal oxycarbonitride, metal boride, metal boronitride, metal borocarbide, metal borocarbonitride, metal borooxynitride, metal borooxocarbide, metal borooxocarbonitride, metal oxoboronitride, metal silicate or mixture thereof, and at least one metal different from the metal with the lowest melting point is present in the target in elemental (metallic) form.Type: ApplicationFiled: October 18, 2011Publication date: May 29, 2014Applicant: WALTER AGInventor: Veit Schier
-
Publication number: 20140086782Abstract: A method for producing a composite material includes providing a composition comprising at least one hardness carrier and a base binder alloy, and sintering the composition. The base binder alloy comprises from 66 to 93 wt.-% of nickel, from 7 to 34 wt.-% of iron, and from 0 to 9 wt.-% of cobalt, wherein the wt.-% proportions of the base binder alloy add up to 100 wt.-%.Type: ApplicationFiled: May 24, 2012Publication date: March 27, 2014Applicant: H.C. STARCK GMBHInventor: Benno Gries
-
Publication number: 20140079583Abstract: Disclosed herein are titanium-tungsten alloys and composites wherein the tungsten comprises 0.5% to 40% by weight of the alloy. Also disclosed is a method of making such alloys and composites using powders of tungsten less then 3 ?m in size, such as 1 ?m or less. Also disclosed is a method of making the titanium alloy by powder metallurgy, and products made from such alloys or billets that may be cast, forged, or extruded. These methods of production can be used to make titanium alloys comprising other slow-diffusing beta stabilizers, such as but not limited to V, Nb, Mo, and Ta.Type: ApplicationFiled: March 26, 2013Publication date: March 20, 2014Applicant: Dynamet Technology, Inc.Inventors: Stanley Abkowitz, Susan M. Abkowitz, Harvey Fisher, Patricia J. Schwartz
-
Patent number: 8647561Abstract: 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.Type: GrantFiled: July 25, 2008Date of Patent: February 11, 2014Assignee: Kennametal Inc.Inventors: X. Daniel Fang, David J. Wills, Prakash K. Mirchandani
-
Patent number: 8636947Abstract: The present invention provides an improved metal separator for a fuel cell and a method for preparing same. More particularly, the invention provides a metal separator for a fuel cell, whereby the separator has a surface structure that imparts reduced contact resistance, improved corrosion resistance, and stable electrical conductivity. The invention further provides a surface treatment method for making the metal separator of the invention. The inventive method comprises sintering Fe—Cr—B—V-based powder on the surface of a metal foam to form an alloy layer; and forming a nitride layer of a (Cr—V—B)N-based material while supplying nitrogen gas on the surface of the alloy layer.Type: GrantFiled: November 22, 2010Date of Patent: January 28, 2014Assignee: Hyundai Motor CompanyInventors: Young Min Nam, Yoo Chang Yang, Suk Min Baeck, Seung Gyun Ahn
-
Publication number: 20140010700Abstract: A method for producing a high strength aluminum alloy brackets, cases, tubes, ducts, beams, spars and other parts containing L12 dispersoids from an aluminum alloy powder containing the L12 dispersoids. The powder is consolidated into a billet having a density of about 100 percent. The billet is extruded using an extrusion die shaped to produce the component.Type: ApplicationFiled: June 25, 2013Publication date: January 9, 2014Inventor: Awadh B. Pandey
-
Patent number: 8572830Abstract: A method and apparatus for producing a magnetic attachment mechanism is described. A method is provided for determining the magnetic field axis of an element prior to machining it. The magnetic field axis can be used as a reference to machine an outer surface of the magnetic element at a desired angle. The method provides a means to more precisely align magnetic field axes of corresponding magnets in a magnetic attachment system.Type: GrantFiled: August 11, 2011Date of Patent: November 5, 2013Assignee: Apple Inc.Inventor: Cesare A. Tolentino
-
Patent number: 8574380Abstract: The present invention discloses a composite magnetic material. The composite magnetic material may comprise an Nd—Fe—B alloy and a Fe-based soft magnetic alloy having the general formula of Fe100-x-y-z-aAxRaSiyBz. A may be at least one element selected from Cu and Au. R may be at least one element selected from the group consisting of Ti, Zr, Hf, Mo, Nb, Ta, W and V. And the x, a, y, and z may satisfy: 0?x?3, 0?a?10, 0?y?20 and 2?z?25. The present invention further discloses a method of preparing the composite magnetic material as described above. According to the present invention, the composite magnetic material may have an enhanced magnetic energy product and residual magnetism respectively.Type: GrantFiled: March 26, 2010Date of Patent: November 5, 2013Assignee: BYD Company LimitedInventors: Qing Gong, Xin Du, Xiaofeng Cheng
-
Patent number: 8545641Abstract: A method for manufacturing a sintered rare-earth magnet having a magnetic anisotropy, in which a very active powder having a small grain size can be safely used in a low-oxidized state. A fine powder as a material of the sintered rare-earth magnet having a magnetic anisotropy is loaded into a mold until its density reaches a predetermined level. Then, in a magnetic orientation section, the fine powder is oriented by a pulsed magnetic field. Subsequently, the fine powder is not compressed but immediately sintered in a sintering furnace. A multi-cavity mold for manufacturing a sintered rare-earth magnet having an industrially important shape, such as a plate magnet or an arched plate magnet, may be used.Type: GrantFiled: June 30, 2005Date of Patent: October 1, 2013Assignee: Intermetallics Co., Ltd.Inventors: Masato Sagawa, Hiroshi Nagata, Osamu Itatani
-
Patent number: 8500922Abstract: The present invention relates to a permanent magnet manufactured by steps of: pulverizing a magnet raw material into fine particles having a grain size of 3 ?m or less; mixing the pulverized magnet raw material with a rust preventive oil in which a high-melting metal element-containing organic compound or a precursor of a high-melting ceramic is dissolved, thereby preparing a slurry; compression molding the slurry to form a molded body; and sintering the molded body.Type: GrantFiled: April 14, 2009Date of Patent: August 6, 2013Assignee: Nitto Denko CorporationInventors: Izumi Ozeki, Katsuya Kume, Junichi Nakayama, Yuuki Fukuda, Toshinobu Hoshino, Tomokazu Horio
-
Patent number: 8500920Abstract: There are provided a permanent magnet and a manufacturing method thereof capable of densely sintering the entirety of the magnet without making a gap between a main phase and a grain boundary phase in the sintered magnet. To fine powder of milled neodymium magnet is added an organometallic compound solution containing an organometallic compound expressed with a structural formula of M-(OR)X (M represents V, Mo, Zr, Ta, Ti, W or Nb, R represents a substituent group consisting of a straight-chain or branched-chain hydrocarbon, X represents an arbitrary integer) so as to uniformly adhere the organometallic compound to particle surfaces of the neodymium magnet powder. Thereafter, a compact body formed through powder compaction is held for several hours in hydrogen atmosphere at 200 through 900 degrees Celsius. Thereafter, through sintering process, a permanent magnet is manufactured.Type: GrantFiled: March 28, 2011Date of Patent: August 6, 2013Assignee: Nitto Denko CorporationInventors: Izumi Ozeki, Katsuya Kume, Keisuke Hirano, Tomohiro Omure, Keisuke Taihaku, Takashi Ozaki
-
Patent number: 8500921Abstract: There are provided a permanent magnet and a manufacturing method thereof capable of densely sintering the entirety of the magnet without making a gap between a main phase and a grain boundary phase in the sintered magnet. To fine powder of milled neodymium magnet is added an organometallic compound solution containing an organometallic compound expressed with a structural formula of M-(OR)x (M represents V, Mo, Zr, Ta, Ti, W or Nb, R represents a substituent group consisting of a straight-chain or branched-chain hydrocarbon, x represents an arbitrary integer) so as to uniformly adhere the organometallic compound to particle surfaces of the neodymium magnet powder. Thereafter, desiccated magnet powder is held for several hours in hydrogen atmosphere at 200 through 900 degrees Celsius. Thereafter, the powdery calcined body calcined through the calcination process in hydrogen is held for several hours in vacuum atmosphere at 200 through 600 degrees Celsius for a dehydrogenation process.Type: GrantFiled: March 28, 2011Date of Patent: August 6, 2013Assignee: Nitto Denko CorporationInventors: Izumi Ozeki, Katsuya Kume, Keisuke Hirano, Tomohiro Omure, Keisuke Taihaku, Takashi Ozaki
-
Patent number: 8480818Abstract: There are provided a permanent magnet and a manufacturing method thereof capable of preventing grain growth in a main phase and enabling rare-earth rich phase to be uniformly dispersed. To fine powder of milled neodymium magnet material is added an organometallic compound solution containing an organometallic compound expressed with a structural formula of M-(OR)x (in the formula, M represents Cu or Al, R represents a substituent group consisting of a straight-chain or branched-chain hydrocarbon, x represents an arbitrary integer) so as to uniformly adhere the organometallic compound to particle surfaces of the neodymium magnet powder. Thereafter, a compact body formed by compacting the above neodymium magnet powder is held for several hours in hydrogen atmosphere at 200 through 900 degrees Celsius. Thereafter, through a sintering process, a permanent magnet is manufactured.Type: GrantFiled: March 28, 2011Date of Patent: July 9, 2013Assignee: Nitto Denko CorporationInventors: Izumi Ozeki, Katsuya Kume, Keisuke Hirano, Tomohiro Omure, Keisuke Taihaku, Takashi Ozaki
-
Patent number: 8480816Abstract: There are provided a permanent magnet and a manufacturing method thereof capable of preventing degrade in the magnetic properties by densely sintering the entirety of the magnet. To fine powder of milled neodymium magnet is added an organometallic compound solution containing an organometallic compound expressed with a structural formula of M-(OR)X (M represents Dy or Tb, R represents a substituent group consisting of a straight-chain or branched-chain hydrocarbon, X represents an arbitrary integer) so as to uniformly adhere the organometallic compound to particle surfaces of the neodymium magnet powder. Thereafter, the desiccated magnet powder is calcined by utilizing plasma heating and the powdery calcined body is sintered so as to form a permanent magnet 1.Type: GrantFiled: March 28, 2011Date of Patent: July 9, 2013Assignee: Nitto Denko CorporationInventors: Izumi Ozeki, Katsuya Kume, Keisuke Hirano, Tomohiro Omure, Keisuke Taihaku, Takashi Ozaki
-
Patent number: 8355815Abstract: Methods include one or more of robotically positioning a cutting element on an earth-boring tool, using a power-driven device to move a cutting element on an earth-boring tool, and robotically applying a bonding material for attaching a cutting element to an earth-boring tool. Robotic systems are used to robotically position a cutting element on an earth-boring tool. Systems for orienting a cutting element relative to a tool body include a power-driven device for moving a cutting element on or adjacent the tool body. Systems for positioning and orienting a cutting element on an earth-boring tool include such a power-driven device and a robot for carrying a cutting element. Systems for attaching a cutting element to an earth-boring tool include a robot carrying a torch for heating at least one of a cutting element, a tool body, and a bonding material.Type: GrantFiled: February 12, 2009Date of Patent: January 15, 2013Assignee: Baker Hughes IncorporatedInventors: David Keith Luce, Sean W. Wirth, Alan J. Massey, Crystal A. Parrott
-
Patent number: 8333848Abstract: The present invention relates to a permanent magnet manufactured by steps of: wet-pulverizing a high-melting metal element-containing organic compound or a precursor of a high-melting ceramic in a solvent together with a magnet raw material to pulverize the magnet raw material into fine particles having a grain size of 3 ?m or less and to coat a surface of the pulverized magnet raw material with the high-melting metal element-containing organic compound or the precursor of the high-melting ceramic; adding a resin binder to the magnet raw material coated with the high-melting metal element-containing organic compound or the precursor of the high-melting ceramic; producing a slurry by kneading the magnet raw material and the resin binder; molding the slurry into a sheet form to prepare a green sheet; and sintering the green sheet.Type: GrantFiled: April 14, 2009Date of Patent: December 18, 2012Assignee: Nitto Denko CorporationInventors: Izumi Ozeki, Katsuya Kume, Junichi Nakayama, Yuuki Fukuda, Toshinobu Hoshino, Tomokazu Horio
-
Patent number: 8323790Abstract: Multimodal cermet compositions having lower melting point metal binders and methods of making are provided. The multimodal cermet compositions having a low melting point metal binder include: a) a ceramic phase, and b) a low melting point metal binder phase, wherein the ceramic phase is a metal boride with a multimodal distribution of particles, wherein the metal of the metal boride is chosen from Group IV, Group V, Group VI elements of the Long Form of the Periodic Table of Elements, and mixtures thereof, and wherein the low melting metal binder phase is represented by the formula (DEF), wherein D is a base metal chosen from Fe, Ni, Co, Mn and mixtures thereof, E is an alloying metal comprising Cr, Si, and B, and F is an alloying element chosen from C, N, P, Al, Ga, Ge, As, In, Sn, Sb, Pb, Sc, La, Y, Ce, Ti, Zr, Hf, V, Nb, Ta, Mo, W, Re, Ru, Rh, Ir, Pd, Pt, Cu, Ag, Au and mixtures thereof, and wherein said low melting metal binder phase has a melting point less than 1250° C.Type: GrantFiled: November 14, 2008Date of Patent: December 4, 2012Assignee: ExxonMobil Research and Engineering CompanyInventors: ChangMin Chun, Narasimha-Rao Venkata Bangaru
-
Patent number: 8318045Abstract: Disclosed is a radiation shielding member having improved radiation absorption performance, including 80.0˜99.0 wt % of a polymer matrix or metal matrix and 1.0˜20.0 wt % of a radiation shielding material in the form of nano-particles having a size of 10˜900 nm as a result of pulverization, wherein the radiation shielding material is homogeneously dispersed in the matrix through powder mixing or melt mixing after treatment with a surfactant which is the same material as the matrix or which has high affinity for the matrix. A preparation method thereof is also provided. This radiation shielding member including the nano-particles as the shielding material further increases the collision probability of the shielding material with radiation, compared to conventional shielding members including micro-particles, thus reducing the mean free path of radiation in the shielding member, thereby exhibiting superior radiation shielding effects.Type: GrantFiled: May 12, 2009Date of Patent: November 27, 2012Assignee: Korea Atomic Energy Research InstituteInventors: Jaewoo Kim, Young Rang Uhm, Byungchul Lee, Jinwoo Jung, Chang Kyu Rhee, Min-Ku Lee, Hee Min Lee, Sang Hoon Lee