DE3671183D1 - Temperaturbestaendiger kompakter diamantschleifkoerper. - Google Patents
Temperaturbestaendiger kompakter diamantschleifkoerper.Info
- Publication number
- DE3671183D1 DE3671183D1 DE8686304323T DE3671183T DE3671183D1 DE 3671183 D1 DE3671183 D1 DE 3671183D1 DE 8686304323 T DE8686304323 T DE 8686304323T DE 3671183 T DE3671183 T DE 3671183T DE 3671183 D1 DE3671183 D1 DE 3671183D1
- Authority
- DE
- Germany
- Prior art keywords
- temperature
- diamond grinding
- grinding body
- resistant compact
- compact diamond
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/06—Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies
- B01J3/062—Processes 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical 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
- B24D3/04—Physical 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
- B24D3/06—Physical 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
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- C—CHEMISTRY; METALLURGY
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/6303—Inorganic additives
- C04B35/6316—Binders based on silicon compounds
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/64—Burning or sintering processes
- C04B35/645—Pressure sintering
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- C04B37/00—Joining burned ceramic articles with other burned ceramic articles or other articles by heating
- C04B37/02—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles
- C04B37/021—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles in a direct manner, e.g. direct copper bonding [DCB]
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- C—CHEMISTRY; METALLURGY
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- C04B37/00—Joining burned ceramic articles with other burned ceramic articles or other articles by heating
- C04B37/02—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles
- C04B37/023—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles characterised by the interlayer used
- C04B37/026—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles characterised by the interlayer used consisting of metals or metal salts
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C26/00—Alloys containing diamond or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2203/00—Processes utilising sub- or super atmospheric pressure
- B01J2203/06—High pressure synthesis
- B01J2203/0605—Composition of the material to be processed
- B01J2203/062—Diamond
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2203/00—Processes utilising sub- or super atmospheric pressure
- B01J2203/06—High pressure synthesis
- B01J2203/065—Composition of the material produced
- B01J2203/0655—Diamond
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2203/00—Processes utilising sub- or super atmospheric pressure
- B01J2203/06—High pressure synthesis
- B01J2203/0675—Structural or physico-chemical features of the materials processed
- B01J2203/0685—Crystal sintering
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/38—Non-oxide ceramic constituents or additives
- C04B2235/3817—Carbides
- C04B2235/3826—Silicon carbides
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/422—Carbon
- C04B2235/427—Diamond
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/428—Silicon
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5445—Particle size related information expressed by the size of the particles or aggregates thereof submicron sized, i.e. from 0,1 to 1 micron
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
- C04B2235/616—Liquid infiltration of green bodies or pre-forms
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6567—Treatment time
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/80—Phases present in the sintered or melt-cast ceramic products other than the main phase
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- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/02—Aspects relating to interlayers, e.g. used to join ceramic articles with other articles by heating
- C04B2237/04—Ceramic interlayers
- C04B2237/08—Non-oxidic interlayers
- C04B2237/083—Carbide interlayers, e.g. silicon carbide interlayers
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- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/02—Aspects relating to interlayers, e.g. used to join ceramic articles with other articles by heating
- C04B2237/04—Ceramic interlayers
- C04B2237/09—Ceramic interlayers wherein the active component for bonding is not the largest fraction of the interlayer
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- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
- C04B2237/32—Ceramic
- C04B2237/36—Non-oxidic
- C04B2237/363—Carbon
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- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
- C04B2237/40—Metallic
- C04B2237/401—Cermets
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- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/50—Processing aspects relating to ceramic laminates or to the joining of ceramic articles with other articles by heating
- C04B2237/61—Joining two substrates of which at least one is porous by infiltrating the porous substrate with a liquid, such as a molten metal, causing bonding of the two substrates, e.g. joining two porous carbon substrates by infiltrating with molten silicon
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- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
- C04B2237/50—Processing aspects relating to ceramic laminates or to the joining of ceramic articles with other articles by heating
- C04B2237/64—Forming laminates or joined articles comprising grooves or cuts
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Composite Materials (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA854339 | 1985-06-07 | ||
ZA863275 | 1986-05-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3671183D1 true DE3671183D1 (de) | 1990-06-21 |
Family
ID=27136297
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686304323T Expired - Lifetime DE3671183D1 (de) | 1985-06-07 | 1986-06-06 | Temperaturbestaendiger kompakter diamantschleifkoerper. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4789385A (de) |
EP (1) | EP0208414B1 (de) |
AU (1) | AU581520B2 (de) |
DE (1) | DE3671183D1 (de) |
IE (1) | IE58714B1 (de) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3625743A1 (de) * | 1986-07-30 | 1988-02-11 | Winter & Sohn Ernst | Verfahren zum bearbeiten von diamantkoernern |
IE60131B1 (en) * | 1986-09-24 | 1994-06-01 | De Beers Ind Diamond | Thermally stable diamond abrasive compact body |
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 |
US5032147A (en) * | 1988-02-08 | 1991-07-16 | Frushour Robert H | High strength composite component and method of fabrication |
US4908046A (en) * | 1989-02-14 | 1990-03-13 | Wiand Ronald C | Multilayer abrading tool and process |
IL90976A0 (en) * | 1988-07-20 | 1990-02-09 | De Beers Ind Diamond | Abrading ultra-hard stones |
FR2638461A1 (fr) * | 1988-11-03 | 1990-05-04 | Combustible Nucleaire | Produit composite abrasif comportant une partie active de materiau ultra-dur et procede de fabrication d'un tel produit |
ZA894689B (en) * | 1988-11-30 | 1990-09-26 | Gen Electric | Silicon infiltrated porous polycrystalline diamond compacts and their fabrications |
US4992082A (en) * | 1989-01-12 | 1991-02-12 | Ford Motor Company | Method of toughening diamond coated tools |
US4945686A (en) * | 1989-02-14 | 1990-08-07 | Wiand Ronald C | Multilayer abrading tool having an irregular abrading surface and process |
US5011509A (en) * | 1989-08-07 | 1991-04-30 | Frushour Robert H | Composite compact with a more thermally stable cutting edge and method of manufacturing the same |
IE902878A1 (en) * | 1989-09-14 | 1991-03-27 | De Beers Ind Diamond | Composite abrasive compacts |
US5022894A (en) * | 1989-10-12 | 1991-06-11 | General Electric Company | Diamond compacts for rock drilling and machining |
AU644213B2 (en) * | 1990-09-26 | 1993-12-02 | De Beers Industrial Diamond Division (Proprietary) Limited | Composite diamond abrasive compact |
JPH06155112A (ja) * | 1991-05-17 | 1994-06-03 | Nippon Seratetsuku:Kk | ダイヤモンド工具及びその製造方法 |
GB9112408D0 (en) * | 1991-06-10 | 1991-07-31 | De Beers Ind Diamond | Tool insert |
WO1993023204A1 (en) * | 1992-05-15 | 1993-11-25 | Tempo Technology Corporation | Diamond compact |
ZA935524B (en) * | 1992-08-05 | 1994-02-24 | De Beers Ind Diamond | Abrasive product |
ZA935525B (en) * | 1992-08-06 | 1994-02-24 | De Beers Ind Diamond | Tool insert |
US5564511A (en) * | 1995-05-15 | 1996-10-15 | Frushour; Robert H. | Composite polycrystalline compact with improved fracture and delamination resistance |
US5645617A (en) * | 1995-09-06 | 1997-07-08 | Frushour; Robert H. | Composite polycrystalline diamond compact with improved impact and thermal stability |
JP2004146413A (ja) * | 2002-10-22 | 2004-05-20 | Sumitomo Electric Ind Ltd | 半導体素子収納用パッケージおよび半導体装置 |
US7595110B2 (en) * | 2003-10-08 | 2009-09-29 | Frushour Robert H | Polycrystalline diamond composite |
US7517588B2 (en) * | 2003-10-08 | 2009-04-14 | Frushour Robert H | High abrasion resistant polycrystalline diamond composite |
US20130129983A1 (en) * | 2004-03-16 | 2013-05-23 | Metadigm Llc | Silicon carbide stabilizing of solid diamond and stabilized molded and formed diamond structures |
US9249492B2 (en) * | 2005-11-07 | 2016-02-02 | Micropyretics Heaters International, Inc. | Materials having an enhanced emissivity and methods for making the same |
US9095841B2 (en) * | 2006-08-02 | 2015-08-04 | Us Synthetic Corporation | Separation device and chemical reaction apparatus made from polycrystalline diamond, apparatuses including same such as separation apparatuses, and methods of use |
US8147574B2 (en) * | 2006-11-21 | 2012-04-03 | Charles Stephan Montross | Material containing diamond and an intermetallic compound |
US20090218287A1 (en) * | 2008-03-03 | 2009-09-03 | Us Synthetic Corporation | Solid phase extraction apparatuses and methods |
US8758463B2 (en) * | 2009-08-07 | 2014-06-24 | Smith International, Inc. | Method of forming a thermally stable diamond cutting element |
CA2770306A1 (en) * | 2009-08-07 | 2011-02-10 | Smith International, Inc. | Functionally graded polycrystalline diamond insert |
EP2462308A4 (de) * | 2009-08-07 | 2014-04-09 | Smith International | Wärmestabile konstruktionen aus polykristallinen diamanten |
EP2694455B1 (de) * | 2011-04-06 | 2017-03-29 | Diamond Innovations, Inc. | Verfahren zur verbesserung der wärmestabilität von polykristallinem diamant (pcd) |
GB2563101A (en) | 2015-05-28 | 2018-12-05 | Halliburton Energy Services Inc | Induced material segregation methods of manufacturing a polycrystalline diamond tool |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL267401A (de) * | 1960-07-22 | |||
US3306720A (en) * | 1964-05-28 | 1967-02-28 | Gen Electric | Method for the production of diamond compact abrasives |
US3574580A (en) * | 1968-11-08 | 1971-04-13 | Atomic Energy Commission | Process for producing sintered diamond compact and products |
NL7104326A (de) * | 1970-04-08 | 1971-10-12 | Gen Electric | |
US3745623A (en) * | 1971-12-27 | 1973-07-17 | Gen Electric | Diamond tools for machining |
US3982911A (en) * | 1972-11-01 | 1976-09-28 | General Electric Company | Process for the preparation of a composite cubic boron nitride layer abrasive body |
US3912500A (en) * | 1972-12-27 | 1975-10-14 | Leonid Fedorovich Vereschagin | Process for producing diamond-metallic materials |
US3944398A (en) * | 1974-04-30 | 1976-03-16 | Frank Rutherford Bell | Method of forming an abrasive compact of cubic boron nitride |
US3999962A (en) * | 1975-05-23 | 1976-12-28 | Mark Simonovich Drui | Copper-chromium carbide-metal bond for abrasive tools |
IL55719A0 (en) * | 1977-10-21 | 1978-12-17 | Gen Electric | Polycrystalline daimond bady/silicon carbide or silicon nitride substrate composite and process for preparing it |
US4124401A (en) * | 1977-10-21 | 1978-11-07 | General Electric Company | Polycrystalline diamond body |
US4171339A (en) * | 1977-10-21 | 1979-10-16 | General Electric Company | Process for preparing a polycrystalline diamond body/silicon carbide substrate composite |
US4151686A (en) * | 1978-01-09 | 1979-05-01 | General Electric Company | Silicon carbide and silicon bonded polycrystalline diamond body and method of making it |
ZA781154B (en) * | 1978-02-28 | 1979-09-26 | De Beers Ind Diamond | Abrasive bodies |
US4288248A (en) * | 1978-03-28 | 1981-09-08 | General Electric Company | Temperature resistant abrasive compact and method for making same |
US4255165A (en) * | 1978-12-22 | 1981-03-10 | General Electric Company | Composite compact of interleaved polycrystalline particles and cemented carbide masses |
US4241135A (en) * | 1979-02-09 | 1980-12-23 | General Electric Company | Polycrystalline diamond body/silicon carbide substrate composite |
US4231195A (en) * | 1979-05-24 | 1980-11-04 | General Electric Company | Polycrystalline diamond body and process |
US4311490A (en) * | 1980-12-22 | 1982-01-19 | General Electric Company | Diamond and cubic boron nitride abrasive compacts using size selective abrasive particle layers |
US4496372A (en) * | 1982-03-31 | 1985-01-29 | Almond Eric A | Abrasive bodies |
EP0090657B1 (de) * | 1982-03-31 | 1987-01-07 | De Beers Industrial Diamond Division (Proprietary) Limited | Verfahren zur Herstellung von Schleifkörpern |
US4534773A (en) * | 1983-01-10 | 1985-08-13 | Cornelius Phaal | Abrasive product and method for manufacturing |
GB8303498D0 (en) * | 1983-02-08 | 1983-03-16 | De Beers Ind Diamond | Abrasive products |
DE3511284A1 (de) * | 1984-03-30 | 1985-10-10 | De Beers Industrial Diamond Division (Proprietary) Ltd., Johannesburg, Transvaal | Schleifwerkzeug mit schleifeinsatz |
AU4772485A (en) * | 1984-08-24 | 1986-03-24 | Australian National University, The | Diamond compacts and process for making same |
-
1986
- 1986-06-04 IE IE148786A patent/IE58714B1/en not_active IP Right Cessation
- 1986-06-06 EP EP86304323A patent/EP0208414B1/de not_active Expired - Lifetime
- 1986-06-06 DE DE8686304323T patent/DE3671183D1/de not_active Expired - Lifetime
- 1986-06-06 AU AU58459/86A patent/AU581520B2/en not_active Ceased
-
1987
- 1987-05-04 US US07/047,531 patent/US4789385A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
IE861487L (en) | 1986-12-07 |
US4789385A (en) | 1988-12-06 |
EP0208414A2 (de) | 1987-01-14 |
AU581520B2 (en) | 1989-02-23 |
IE58714B1 (en) | 1993-11-03 |
EP0208414B1 (de) | 1990-05-16 |
AU5845986A (en) | 1986-12-11 |
EP0208414A3 (en) | 1987-11-04 |
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