[go: up one dir, main page]

SE8204983D0 - A diamond compact for a tool and a process for the production of the same - Google Patents

A diamond compact for a tool and a process for the production of the same

Info

Publication number
SE8204983D0
SE8204983D0 SE8204983A SE8204983A SE8204983D0 SE 8204983 D0 SE8204983 D0 SE 8204983D0 SE 8204983 A SE8204983 A SE 8204983A SE 8204983 A SE8204983 A SE 8204983A SE 8204983 D0 SE8204983 D0 SE 8204983D0
Authority
SE
Sweden
Prior art keywords
group
grain size
diamond compact
tool
production
Prior art date
Application number
SE8204983A
Other languages
English (en)
Other versions
SE8204983L (sv
SE457537B (sv
Inventor
T Nakai
S Yazu
Original Assignee
Sumitomo Electric Industries
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP56138644A external-priority patent/JPS5841769A/ja
Priority claimed from JP19277281A external-priority patent/JPS5896848A/ja
Priority claimed from JP57095104A external-priority patent/JPS58213676A/ja
Priority claimed from JP12451282A external-priority patent/JPS5916942A/ja
Application filed by Sumitomo Electric Industries filed Critical Sumitomo Electric Industries
Publication of SE8204983D0 publication Critical patent/SE8204983D0/sv
Publication of SE8204983L publication Critical patent/SE8204983L/sv
Publication of SE457537B publication Critical patent/SE457537B/sv

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C26/00Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J3/00Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/06Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies
    • B01J3/062Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies characterised by the composition of the materials to be processed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24DTOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/02Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
    • B24D3/04Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
    • B24D3/06Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2203/00Processes utilising sub- or super atmospheric pressure
    • B01J2203/06High pressure synthesis
    • B01J2203/0605Composition of the material to be processed
    • B01J2203/062Diamond
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2203/00Processes utilising sub- or super atmospheric pressure
    • B01J2203/06High pressure synthesis
    • B01J2203/0605Composition of the material to be processed
    • B01J2203/0645Boronitrides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2203/00Processes utilising sub- or super atmospheric pressure
    • B01J2203/06High pressure synthesis
    • B01J2203/065Composition of the material produced
    • B01J2203/0655Diamond
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2203/00Processes utilising sub- or super atmospheric pressure
    • B01J2203/06High pressure synthesis
    • B01J2203/065Composition of the material produced
    • B01J2203/066Boronitrides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2203/00Processes utilising sub- or super atmospheric pressure
    • B01J2203/06High pressure synthesis
    • B01J2203/0675Structural or physico-chemical features of the materials processed
    • B01J2203/0685Crystal sintering
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C26/00Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
    • C22C2026/005Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes with additional metal compounds being borides
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S76/00Metal tools and implements, making
    • Y10S76/12Diamond tools

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
SE8204983A 1981-09-04 1982-09-01 Diamantpresskropp foer ett verktyg samt saett att framstaella densamma SE457537B (sv)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP56138644A JPS5841769A (ja) 1981-09-04 1981-09-04 工具用ダイヤモンド焼結体及びその製造方法
JP19277281A JPS5896848A (ja) 1981-12-02 1981-12-02 工具用高硬度焼結体およびその製造方法
JP57095104A JPS58213676A (ja) 1982-06-02 1982-06-02 工具用ダイヤモンド焼結体及びその製造方法
JP12451282A JPS5916942A (ja) 1982-07-19 1982-07-19 工具用複合ダイヤモンド焼結体

Publications (3)

Publication Number Publication Date
SE8204983D0 true SE8204983D0 (sv) 1982-09-01
SE8204983L SE8204983L (sv) 1983-03-05
SE457537B SE457537B (sv) 1989-01-09

Family

ID=27468301

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8204983A SE457537B (sv) 1981-09-04 1982-09-01 Diamantpresskropp foer ett verktyg samt saett att framstaella densamma

Country Status (5)

Country Link
US (1) US4505746A (sv)
DE (1) DE3232869A1 (sv)
FR (1) FR2512430B1 (sv)
GB (1) GB2107298B (sv)
SE (1) SE457537B (sv)

Families Citing this family (81)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3570480D1 (en) * 1984-03-26 1989-06-29 Eastman Christensen Co Multi-component cutting element using consolidated rod-like polycrystalline diamond
US5199832A (en) * 1984-03-26 1993-04-06 Meskin Alexander K Multi-component cutting element using polycrystalline diamond disks
US5028177A (en) * 1984-03-26 1991-07-02 Eastman Christensen Company Multi-component cutting element using triangular, rectangular and higher order polyhedral-shaped polycrystalline diamond disks
AU571419B2 (en) * 1984-09-08 1988-04-14 Sumitomo Electric Industries, Ltd. Diamond sintered for tools and method of manufacture
JPS6184303A (ja) * 1984-09-28 1986-04-28 Ishizuka Kenkyusho:Kk 複合焼結体の製造法
EP0181979B1 (en) * 1984-11-21 1989-03-15 Sumitomo Electric Industries Limited High hardness sintered compact and process for producing the same
IE57439B1 (en) * 1985-04-09 1992-09-09 De Beers Ind Diamond Wire drawing die
US4695321A (en) * 1985-06-21 1987-09-22 New Mexico Tech Research Foundation Dynamic compaction of composite materials containing diamond
AU577958B2 (en) * 1985-08-22 1988-10-06 De Beers Industrial Diamond Division (Proprietary) Limited Abrasive compact
CA1313762C (en) * 1985-11-19 1993-02-23 Sumitomo Electric Industries, Ltd. Hard sintered compact for a tool
US4797326A (en) * 1986-01-14 1989-01-10 The General Electric Company Supported polycrystalline compacts
AT394329B (de) * 1987-10-12 1992-03-10 Anh Tuan Dipl Ing Dr Techn Ta Sinterkoerper und verfahren zu deren herstellung
FR2623201B1 (fr) * 1987-11-17 1993-04-16 Combustible Nucleaire Produit abrasif diamante composite, son procede de preparation et les outils de forage ou d'usinage qui en sont equipes
US4899922A (en) * 1988-02-22 1990-02-13 General Electric Company Brazed thermally-stable polycrystalline diamond compact workpieces and their fabrication
US5593474A (en) * 1988-08-04 1997-01-14 Smith International, Inc. Composite cemented carbide
US4923490A (en) * 1988-12-16 1990-05-08 General Electric Company Novel grinding wheels utilizing polycrystalline diamond or cubic boron nitride grit
EP0391418B2 (en) * 1989-04-06 1998-09-09 Sumitomo Electric Industries, Ltd. A diamond for a dresser
ZA901817B (en) * 1989-06-15 1991-04-24 Gen Electric Tools employing a large or irregularly shaped diamond abrasive
US5183602A (en) * 1989-09-18 1993-02-02 Cornell Research Foundation, Inc. Infra red diamond composites
US5206083A (en) * 1989-09-18 1993-04-27 Cornell Research Foundation, Inc. Diamond and diamond-like films and coatings prepared by deposition on substrate that contain a dispersion of diamond particles
US5045972A (en) * 1990-08-27 1991-09-03 The Standard Oil Company High thermal conductivity metal matrix composite
US5120495A (en) * 1990-08-27 1992-06-09 The Standard Oil Company High thermal conductivity metal matrix composite
EP0520403B1 (en) * 1991-06-25 1995-09-27 Sumitomo Electric Industries, Ltd Hard sintered compact for tools
ZA943646B (en) * 1993-05-27 1995-01-27 De Beers Ind Diamond A method of making an abrasive compact
US5536485A (en) * 1993-08-12 1996-07-16 Agency Of Industrial Science & Technology Diamond sinter, high-pressure phase boron nitride sinter, and processes for producing those sinters
EP0659894B1 (en) * 1993-12-27 2005-05-04 Kabushiki Kaisha Toyota Chuo Kenkyusho High-modulus iron-based alloy and a process for manufacturing the same
JP3309897B2 (ja) * 1995-11-15 2002-07-29 住友電気工業株式会社 超硬質複合部材およびその製造方法
US5855996A (en) * 1995-12-12 1999-01-05 General Electric Company Abrasive compact with improved properties
TW394723B (en) * 1997-04-04 2000-06-21 Sung Chien Min Abrasive tools with patterned grit distribution and method of manufacture
DE69808064T2 (de) 1997-04-17 2003-05-22 De Beers Industrial Diamonds (Pty.) Ltd., Johannesburg Sinterverfahren für diamanten und diamant-züchtung
WO1999029411A1 (en) * 1997-12-11 1999-06-17 De Beers Industrial Diamond Division (Proprietary) Limited Crystal growth
WO2000007773A1 (de) * 1998-08-03 2000-02-17 Tyrolit Schleifmittelwerke Swarovski Kg Abrasivwerkzeug
US6951578B1 (en) * 2000-08-10 2005-10-04 Smith International, Inc. Polycrystalline diamond materials formed from coarse-sized diamond grains
JP3957632B2 (ja) * 2000-10-12 2007-08-15 エレメント シックス (プロプライエタリイ)リミテッド 多結晶質研磨性粗粒子
US6541115B2 (en) * 2001-02-26 2003-04-01 General Electric Company Metal-infiltrated polycrystalline diamond composite tool formed from coated diamond particles
JP3913118B2 (ja) * 2002-06-13 2007-05-09 忠正 藤村 超微粒ダイヤモンド粒子を分散した金属薄膜層、該薄膜層を有する金属材料、及びそれらの製造方法
US7175687B2 (en) * 2003-05-20 2007-02-13 Exxonmobil Research And Engineering Company Advanced erosion-corrosion resistant boride cermets
US7247186B1 (en) * 2003-05-20 2007-07-24 Exxonmobil Research And Engineering Company Advanced erosion resistant carbonitride cermets
US7438741B1 (en) 2003-05-20 2008-10-21 Exxonmobil Research And Engineering Company Erosion-corrosion resistant carbide cermets for long term high temperature service
US7316724B2 (en) * 2003-05-20 2008-01-08 Exxonmobil Research And Engineering Company Multi-scale cermets for high temperature erosion-corrosion service
US7175686B2 (en) * 2003-05-20 2007-02-13 Exxonmobil Research And Engineering Company Erosion-corrosion resistant nitride cermets
US7074253B2 (en) * 2003-05-20 2006-07-11 Exxonmobil Research And Engineering Company Advanced erosion resistant carbide cermets with superior high temperature corrosion resistance
US20050019114A1 (en) * 2003-07-25 2005-01-27 Chien-Min Sung Nanodiamond PCD and methods of forming
US20050227590A1 (en) * 2004-04-09 2005-10-13 Chien-Min Sung Fixed abrasive tools and associated methods
US7435478B2 (en) * 2005-01-27 2008-10-14 Smith International, Inc. Cutting structures
GB2429471B (en) 2005-02-08 2009-07-01 Smith International Thermally stable polycrystalline diamond cutting elements and bits incorporating the same
US7694757B2 (en) * 2005-02-23 2010-04-13 Smith International, Inc. Thermally stable polycrystalline diamond materials, cutting elements incorporating the same and bits incorporating such cutting elements
US7493973B2 (en) 2005-05-26 2009-02-24 Smith International, Inc. Polycrystalline diamond materials having improved abrasion resistance, thermal stability and impact resistance
US20070056778A1 (en) * 2005-09-15 2007-03-15 Steven Webb Sintered polycrystalline diamond material with extremely fine microstructures
US7731776B2 (en) * 2005-12-02 2010-06-08 Exxonmobil Research And Engineering Company Bimodal and multimodal dense boride cermets with superior erosion performance
US8206474B2 (en) * 2006-07-31 2012-06-26 Klaus Tank Abrasive compacts
US9097074B2 (en) * 2006-09-21 2015-08-04 Smith International, Inc. Polycrystalline diamond composites
WO2008053431A1 (en) * 2006-10-31 2008-05-08 Element Six (Production) (Pty) Ltd Polycrystalline diamond abrasive compacts
WO2008053430A1 (en) * 2006-10-31 2008-05-08 Element Six (Production) (Pty) Ltd Polycrystalline diamond abrasive compacts
US8028771B2 (en) 2007-02-06 2011-10-04 Smith International, Inc. Polycrystalline diamond constructions having improved thermal stability
US7942219B2 (en) 2007-03-21 2011-05-17 Smith International, Inc. Polycrystalline diamond constructions having improved thermal stability
WO2008135949A2 (en) * 2007-05-07 2008-11-13 Element Six (Production) (Pty) Ltd Polycrystalline diamond composites
CA2705769A1 (en) * 2007-11-20 2009-05-28 Exxonmobil Research And Engineering Company Bimodal and multimodal dense boride cermets with low melting point binder
KR100985231B1 (ko) * 2007-11-30 2010-10-05 이세린 다공성 경량체 및 그 제조방법
US9297211B2 (en) * 2007-12-17 2016-03-29 Smith International, Inc. Polycrystalline diamond construction with controlled gradient metal content
GB2459272A (en) * 2008-04-15 2009-10-21 Element Six Diamond enhanced carbide type materials
US8349040B2 (en) * 2008-07-08 2013-01-08 Smith International, Inc. Method for making composite abrasive compacts
EP2300366B1 (en) * 2008-07-08 2016-09-07 Smith International, Inc. Method of forming a sintered polycrystalline ultra hard material by pulsed electrical field assisted or spark plasma sintering
US8927101B2 (en) * 2008-09-16 2015-01-06 Diamond Innovations, Inc Abrasive particles having a unique morphology
US8083012B2 (en) * 2008-10-03 2011-12-27 Smith International, Inc. Diamond bonded construction with thermally stable region
GB0819257D0 (en) * 2008-10-21 2008-11-26 Element Six Holding Gmbh Insert for an attack tool
CN102414394B (zh) 2009-05-06 2015-11-25 史密斯国际有限公司 具有再加工的热稳定多晶金刚石切割层的切割元件,结合有其的钻头,及其制造方法
GB2481957B (en) * 2009-05-06 2014-10-15 Smith International Methods of making and attaching tsp material for forming cutting elements, cutting elements having such tsp material and bits incorporating such cutting
GB2483590B8 (en) * 2009-06-18 2014-07-23 Smith International Polycrystalline diamond cutting elements with engineered porosity and method for manufacturing such cutting elements
US8590646B2 (en) * 2009-09-22 2013-11-26 Longyear Tm, Inc. Impregnated cutting elements with large abrasive cutting media and methods of making and using the same
US9949539B2 (en) 2010-06-03 2018-04-24 Frederick Goldman, Inc. Method of making multi-coated metallic article
US8689912B2 (en) 2010-11-24 2014-04-08 Smith International, Inc. Polycrystalline diamond constructions having optimized material composition
WO2012167044A1 (en) 2011-06-03 2012-12-06 Frederick Goldman, Inc. Coated metallic products and methods for making the same
EP2713802A4 (en) 2011-06-03 2015-03-11 Frederick Goldman Inc MULTILAYERED METALLIC PRODUCTS AND METHOD OF MANUFACTURING THEM
EP2847413A4 (en) * 2012-05-11 2016-01-06 Ulterra Drilling Technologies L P DIAMOND CUTTING ELEMENTS FOR BITTERS SOLD WITH CRYSTALLINE MATERIAL HCP
PE20171462A1 (es) 2015-01-12 2017-10-11 Longyear Tm Inc Herramientas de perforacion que tienen matrices con aleaciones que forman carburo y metodos para fabricarlas y utilizarlas
US10287824B2 (en) 2016-03-04 2019-05-14 Baker Hughes Incorporated Methods of forming polycrystalline diamond
US11292750B2 (en) 2017-05-12 2022-04-05 Baker Hughes Holdings Llc Cutting elements and structures
US11396688B2 (en) 2017-05-12 2022-07-26 Baker Hughes Holdings Llc Cutting elements, and related structures and earth-boring tools
US11536091B2 (en) 2018-05-30 2022-12-27 Baker Hughes Holding LLC Cutting elements, and related earth-boring tools and methods
GB201918378D0 (en) * 2019-12-13 2020-01-29 Element Six Uk Ltd Polycrystalline diamond with iron-containing binder

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2731711A (en) * 1954-05-13 1956-01-24 Gen Electric Sintered tungsten carbide composition
US3000087A (en) * 1959-05-01 1961-09-19 Western Alloy Products Company Sintered tungsten carbide alloy product
FR1384785A (fr) * 1963-11-27 1965-01-08 Jersey Prod Res Co Procédé de fabrication de pièces par infiltration
AU518306B2 (en) * 1977-05-04 1981-09-24 Sumitomo Electric Industries, Ltd. Sintered compact for use ina cutting tool anda method of producing thesame
AU529416B2 (en) * 1978-07-04 1983-06-09 Sumitomo Electric Industries, Ltd. Diamond compact for a wire drawing die
US4303442A (en) * 1978-08-26 1981-12-01 Sumitomo Electric Industries, Ltd. Diamond sintered body and the method for producing the same
US4231195A (en) * 1979-05-24 1980-11-04 General Electric Company Polycrystalline diamond body and process
JPS5747771A (en) * 1980-09-06 1982-03-18 Sumitomo Electric Industries Sintered body for linedrawing dice and manufacture

Also Published As

Publication number Publication date
DE3232869C2 (sv) 1992-05-14
SE8204983L (sv) 1983-03-05
US4505746A (en) 1985-03-19
GB2107298B (en) 1985-07-17
FR2512430A1 (fr) 1983-03-11
DE3232869A1 (de) 1983-05-26
SE457537B (sv) 1989-01-09
FR2512430B1 (fr) 1988-03-11
GB2107298A (en) 1983-04-27

Similar Documents

Publication Publication Date Title
SE8204983D0 (sv) A diamond compact for a tool and a process for the production of the same
GB2024843B (en) Composite diamond compact for a wire drawing die and a process for the production of the same
ATE61419T1 (de) Gesinterter formkoerper zur spanabhebenden bearbeitung.
SE9004123D0 (sv) Diamantimpregnerat haardmaterial
SE8002425L (sv) Sintrad presskropp for bearbetningsverktyg
DE3576129D1 (de) Presse zum bearbeiten von werkstuecken aus metall.
FR2389437A1 (sv)
MY102741A (en) Imidazole compounds and biocidal composition comprising the same for controlling harmful organisms
FR2598644B1 (fr) Produit abrasif diamante thermostable et procede de fabrication d'un tel produit
ATE19549T1 (de) Splitterbildendes wolfram-wuchtgeschoss.
HUT67394A (en) Sintered composite abrasive grains, method of preparation and use thereof
JPS56156738A (en) Sintered body for high hardness tool and its manufacture
IE801134L (en) Process for the extraction of urea grains having improved¹storage properties
ES8701737A1 (es) Un procedimiento para la preparacion de nuevas quinazolindionas.
GB2056489B (en) Tungsten carbide-based hard metals
AU6918291A (en) Coating material, process for producing it and its use
AU553700B2 (en) Cemented carbide compositions
JPS5419282A (en) Chuck having diamond grain
FR2434130A1 (fr) Corps de diamant fritte et son procede de fabrication
DE3877501D1 (en) Thermolumineszentes material.
GB2011949A (en) A hard alloy containing molybdenum and tungsten
JPS6483662A (en) Coated sintered hard alloy
JPS56146846A (en) Sintered body with high hardness
SU711746A1 (ru) Сверхтвердый композиционный материал
AT223837B (de) Schneidwerkzeug für Mikrotome, insbesondere Ultramikrotome

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8204983-4

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 8204983-4

Format of ref document f/p: F