IE782085L - Diamond body bonded to a substrate of silicon carbide or¹silicon nitride - Google Patents

Diamond body bonded to a substrate of silicon carbide or¹silicon nitride

Info

Publication number
IE782085L
IE782085L IE782085A IE208578A IE782085L IE 782085 L IE782085 L IE 782085L IE 782085 A IE782085 A IE 782085A IE 208578 A IE208578 A IE 208578A IE 782085 L IE782085 L IE 782085L
Authority
IE
Ireland
Prior art keywords
silicon
container
substrate
silicon carbide
diamond crystals
Prior art date
Application number
IE782085A
Other versions
IE48038B1 (en
Original Assignee
Gen Elecric Co
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
Application filed by Gen Elecric Co filed Critical Gen Elecric Co
Publication of IE782085L publication Critical patent/IE782085L/en
Publication of IE48038B1 publication Critical patent/IE48038B1/en

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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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    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • 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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    • B22F3/12—Both compacting and sintering
    • B22F3/14—Both compacting and sintering simultaneously
    • B22F3/15—Hot isostatic pressing
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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
    • C04B2235/72—Products characterised by the absence or the low content of specific components, e.g. alkali metal free alumina ceramics
    • C04B2235/728—Silicon content
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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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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
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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
    • C04B2237/32—Ceramic
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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
    • C04B2237/368—Silicon nitride

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Composite Materials (AREA)
  • Ceramic Products (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

The composite comprises diamond crystals and a substrate of polycrystalline silicon carbide or silicon nitride bonded by silicon carbide and a carbide and/or silicide of a metal which forms a silicide with silicon. A mass of diamond crystals in contact with a mass of eutectiferous silicon-rich alloy and a silicon carbide or silicon nitride ceramic substrate are disposed in a container and placed within a pressure transmitting powder medium. Pressure is applied to the powder medium resulting in substantially isostatic pressure being applied to the container and its contents sufficient to dimensionally stabilize the container and its contents. The resulting shaped substantially isostatic system of powder-enveloped container is hot-pressed whereby fluid eutectiferous silicon-rich alloy is produced and infiltrated through the interstices between the diamond crystals and contacts the contacting face of the substrate sufficiently producing, upon cooling, an adherently bonded integral composite. In a modification, the use of a container is avoided by pressing a cavity in the pressure transmitting powder medium, placing the silicon-rich alloy, diamond crystals and silicon carbide or silicon nitride substrate in the cavity, covering the cavity with further powder medium, then applying isostatic pressure and hot pressing. [GB2006733A]
IE2085/78A 1977-10-21 1978-10-20 Polycrystalline diamond body/silicon carbide or silicon nitride substrate composite IE48038B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US84444977A 1977-10-21 1977-10-21
US84444777A 1977-10-21 1977-10-21

Publications (2)

Publication Number Publication Date
IE782085L true IE782085L (en) 1979-04-21
IE48038B1 IE48038B1 (en) 1984-09-05

Family

ID=27126501

Family Applications (1)

Application Number Title Priority Date Filing Date
IE2085/78A IE48038B1 (en) 1977-10-21 1978-10-20 Polycrystalline diamond body/silicon carbide or silicon nitride substrate composite

Country Status (15)

Country Link
JP (1) JPS5473811A (en)
AT (1) AT371400B (en)
AU (1) AU525777B2 (en)
BR (1) BR7806957A (en)
CH (1) CH647487A5 (en)
DE (1) DE2845834A1 (en)
DK (1) DK153536C (en)
ES (1) ES474394A1 (en)
FR (1) FR2414033A1 (en)
GB (1) GB2006733B (en)
IE (1) IE48038B1 (en)
IL (1) IL55719A0 (en)
IT (1) IT1099392B (en)
NL (1) NL186311C (en)
SE (1) SE445838B (en)

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US4453951A (en) * 1980-07-09 1984-06-12 General Electric Co. Process for the production of silicone carbide composite
WO1982000140A1 (en) * 1980-07-09 1982-01-21 Gen Electric Silicon carbide composite and process for production
WO1982000138A1 (en) * 1980-07-09 1982-01-21 Gen Electric Silicon carbide composite and process for production
JPS6059085B2 (en) * 1980-12-03 1985-12-23 住友電気工業株式会社 coated ceramic tools
JPS6059086B2 (en) * 1980-12-12 1985-12-23 住友電気工業株式会社 coated ceramic tools
US4448591A (en) * 1981-01-21 1984-05-15 General Electric Company Cutting insert having unique cross section
US4460382A (en) * 1981-12-16 1984-07-17 General Electric Company Brazable layer for indexable cutting insert
US4544517A (en) * 1981-12-16 1985-10-01 General Electric Co. Automatic composite press technique for producing cutting inserts
US4497639A (en) * 1981-12-16 1985-02-05 General Electric Company Silicon carbide cutting insert with pre-pressed core center piece and sintered diamond envelope
US4465650A (en) * 1981-12-16 1984-08-14 General Electric Company Process for preparing nitrided superhard composite materials
US4698070A (en) * 1981-12-16 1987-10-06 General Electric Company Cutting insert for interrupted heavy machining
US4483892A (en) * 1981-12-16 1984-11-20 General Electric Company Wear resistant annular insert and process for making same
AT386558B (en) 1984-03-30 1988-09-12 De Beers Ind Diamond USE OF A GRINDING TOOL
FR2568933B1 (en) * 1984-08-13 1986-09-19 Combustible Nucleaire DIAMOND ROTARY DRILLING TOOL AND METHOD FOR MANUFACTURING SUCH A TOOL
FR2568810B1 (en) * 1984-08-13 1986-11-14 Combustible Nucleaire DIAMOND CUTTING ELEMENT AND METHOD FOR MANUFACTURING SUCH AN ELEMENT
AU583299B1 (en) * 1984-08-24 1989-04-27 Australian National University, The Diamond compacts and process for making same
IE58714B1 (en) * 1985-06-07 1993-11-03 De Beers Ind Diamond Thermally stable diamond abrasive compact body
SE455277B (en) * 1986-03-21 1988-07-04 Uddeholm Tooling Ab SET FOR POWDER METAL SURGICAL PREPARING A FORM THROUGH HEAT COMPRESSION OF POWDER IN A CERAMIC FORM BY A PARTICULATED PRESSURE MEDIUM
FR2598644B1 (en) * 1986-05-16 1989-08-25 Combustible Nucleaire THERMOSTABLE DIAMOND ABRASIVE PRODUCT AND PROCESS FOR PRODUCING SUCH A PRODUCT
AU605994B2 (en) * 1988-08-31 1991-01-24 De Beers Industrial Diamond Division (Proprietary) Limited Manufacture of two-component products
AU605996B2 (en) * 1988-08-31 1991-01-24 De Beers Industrial Diamond Division (Proprietary) Limited Manufacture of abrasive products
AU605995B2 (en) * 1988-08-31 1991-01-24 De Beers Industrial Diamond Division (Proprietary) Limited Manufacture of abrasive products
US7647993B2 (en) * 2004-05-06 2010-01-19 Smith International, Inc. Thermally stable diamond bonded materials and compacts
DE102004056734A1 (en) * 2004-11-24 2006-06-01 Vatcharachai Buanatra Diamond molded article, useful as e.g. heat transmission medium, comprises multiplicity of diamond crystallites, whose boundary surfaces are connected with one another under the formation of an integral body structure
SE532992C2 (en) 2007-11-08 2010-06-08 Alfa Laval Corp Ab Process for making a diamond composite, green body, diamond composite and use of the diamond composite
US9469918B2 (en) * 2014-01-24 2016-10-18 Ii-Vi Incorporated Substrate including a diamond layer and a composite layer of diamond and silicon carbide, and, optionally, silicon
CN111004033A (en) * 2019-11-28 2020-04-14 江苏禾吉新材料科技有限公司 Preparation method of polycrystalline diamond cutter for cutting straws
IT202100006182A1 (en) * 2021-03-16 2022-09-16 Willem Mirani PROCEDURE FOR THE PRODUCTION OF AN ABRASIVE TOOL.

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NL267401A (en) * 1960-07-22
US3913280A (en) * 1971-01-29 1975-10-21 Megadiamond Corp Polycrystalline diamond composites
US3982911A (en) * 1972-11-01 1976-09-28 General Electric Company Process for the preparation of a composite cubic boron nitride layer abrasive body
US3853566A (en) * 1972-12-21 1974-12-10 Gen Electric Hot pressed silicon carbide
US4004934A (en) * 1973-10-24 1977-01-25 General Electric Company Sintered dense silicon carbide
US4042347A (en) * 1974-04-15 1977-08-16 Norton Company Method of making a resin-metal composite grinding wheel

Also Published As

Publication number Publication date
DE2845834C2 (en) 1989-08-31
NL186311C (en) 1990-11-01
AU4082578A (en) 1980-04-24
NL186311B (en) 1990-06-01
CH647487A5 (en) 1985-01-31
FR2414033B1 (en) 1982-10-22
IT1099392B (en) 1985-09-18
JPS5473811A (en) 1979-06-13
DE2845834A1 (en) 1979-04-26
ATA754278A (en) 1982-11-15
GB2006733B (en) 1982-10-20
AU525777B2 (en) 1982-12-02
DK153536C (en) 1988-12-19
IT7828925A0 (en) 1978-10-19
ES474394A1 (en) 1979-11-01
IL55719A0 (en) 1978-12-17
AT371400B (en) 1983-06-27
SE445838B (en) 1986-07-21
IE48038B1 (en) 1984-09-05
NL7810521A (en) 1979-04-24
SE7810975L (en) 1979-06-14
FR2414033A1 (en) 1979-08-03
JPS6213307B2 (en) 1987-03-25
DK469278A (en) 1979-04-22
DK153536B (en) 1988-07-25
GB2006733A (en) 1979-05-10
BR7806957A (en) 1979-05-08

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