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IT1096850B - COMPACT AGGREGATE OF CUBIC BORON NITRIDE (CBN) AND DIRECT CONVERSION PROCESS FOR ITS PRODUCTION FROM PYROLYTIC BORON NITRIDE (PBN) - Google Patents

COMPACT AGGREGATE OF CUBIC BORON NITRIDE (CBN) AND DIRECT CONVERSION PROCESS FOR ITS PRODUCTION FROM PYROLYTIC BORON NITRIDE (PBN)

Info

Publication number
IT1096850B
IT1096850B IT25186/78A IT2518678A IT1096850B IT 1096850 B IT1096850 B IT 1096850B IT 25186/78 A IT25186/78 A IT 25186/78A IT 2518678 A IT2518678 A IT 2518678A IT 1096850 B IT1096850 B IT 1096850B
Authority
IT
Italy
Prior art keywords
boron nitride
pbn
cbn
production
conversion process
Prior art date
Application number
IT25186/78A
Other languages
Italian (it)
Other versions
IT7825186A0 (en
Original Assignee
Gen Electric
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 US05/812,283 external-priority patent/US4188194A/en
Application filed by Gen Electric filed Critical Gen Electric
Publication of IT7825186A0 publication Critical patent/IT7825186A0/en
Application granted granted Critical
Publication of IT1096850B publication Critical patent/IT1096850B/en

Links

Classifications

    • H10W70/692—
    • 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
    • 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
    • C04B35/58—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 borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
    • C04B35/583—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 borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on boron nitride
    • C04B35/5831—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 borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on boron nitride based on cubic boron nitrides or Wurtzitic boron nitrides, including crystal structure transformation of powder
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K3/00—Materials not provided for elsewhere
    • C09K3/14—Anti-slip materials; Abrasives
    • 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
    • B01J2203/0645—Boronitrides
    • 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
    • B01J2203/066—Boronitrides
    • 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
    • B01J2203/068—Crystal growth

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Ceramic Products (AREA)
  • Compositions Of Oxide Ceramics (AREA)
IT25186/78A 1977-07-01 1978-06-30 COMPACT AGGREGATE OF CUBIC BORON NITRIDE (CBN) AND DIRECT CONVERSION PROCESS FOR ITS PRODUCTION FROM PYROLYTIC BORON NITRIDE (PBN) IT1096850B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/812,283 US4188194A (en) 1976-10-29 1977-07-01 Direct conversion process for making cubic boron nitride from pyrolytic boron nitride

Publications (2)

Publication Number Publication Date
IT7825186A0 IT7825186A0 (en) 1978-06-30
IT1096850B true IT1096850B (en) 1985-08-26

Family

ID=25209106

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25186/78A IT1096850B (en) 1977-07-01 1978-06-30 COMPACT AGGREGATE OF CUBIC BORON NITRIDE (CBN) AND DIRECT CONVERSION PROCESS FOR ITS PRODUCTION FROM PYROLYTIC BORON NITRIDE (PBN)

Country Status (20)

Country Link
JP (1) JPS5433510A (en)
AT (1) AT395144B (en)
AU (1) AU524584B2 (en)
BE (1) BE868653A (en)
BR (1) BR7804310A (en)
CH (1) CH644091A5 (en)
DE (1) DE2828742A1 (en)
DK (1) DK298578A (en)
ES (1) ES471333A1 (en)
FR (1) FR2395948A1 (en)
GB (1) GB2002333B (en)
IE (1) IE47548B1 (en)
IL (1) IL54939A0 (en)
IN (1) IN150013B (en)
IT (1) IT1096850B (en)
MX (1) MX149093A (en)
NL (1) NL186506C (en)
NO (1) NO153603C (en)
SE (1) SE447241B (en)
ZA (1) ZA783449B (en)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4289503A (en) * 1979-06-11 1981-09-15 General Electric Company Polycrystalline cubic boron nitride abrasive and process for preparing same in the absence of catalyst
DE3125484A1 (en) * 1981-06-29 1983-03-17 Belorusskij politechničeskij institut, Minsk Process for the production of polycrystals of a boron nitride consisting of dense modifications
DE3229846C2 (en) * 1982-08-11 1984-05-24 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Length or angle measuring device
EP0194358B1 (en) * 1985-01-11 1991-10-23 Sumitomo Electric Industries, Ltd. Heat sink using a sintered body having high heat-conductivity and method of manufacturing thereof
EP0221531A3 (en) * 1985-11-06 1992-02-19 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha High heat conductive insulated substrate and method of manufacturing the same
JPS62108716A (en) * 1985-11-07 1987-05-20 Denki Kagaku Kogyo Kk Production of cubic boron nitride
JPS62108715A (en) * 1985-11-07 1987-05-20 Denki Kagaku Kogyo Kk Production of cubic boron nitride
JPS62108714A (en) * 1985-11-07 1987-05-20 Denki Kagaku Kogyo Kk Production of cubic boron nitride
JPS62108713A (en) * 1985-11-07 1987-05-20 Denki Kagaku Kogyo Kk Production of cubic boron nitride
JPS62108717A (en) * 1985-11-07 1987-05-20 Denki Kagaku Kogyo Kk Production of cubic boron nitride
JPS62108711A (en) * 1985-11-07 1987-05-20 Denki Kagaku Kogyo Kk Production of cubic boron nitride
DE3774744D1 (en) * 1986-04-09 1992-01-09 Sumitomo Electric Industries METHOD FOR PRODUCING COMPACT SINTER BODIES FROM CUBIC BORNITRIDE.
JPH0339795U (en) * 1989-04-19 1991-04-17
US5015265A (en) * 1989-06-14 1991-05-14 General Electric Company Process for making cubic boron nitride from coated hexagonal boron nitride, and abrasive particles and articles made therefrom
DE4204009C2 (en) * 1992-02-12 1994-09-15 Goelz Siegfried Fa Process for the production of amorphous ultra-hard boron nitride and boron nitride produced by the process
JPH07104739A (en) * 1993-10-01 1995-04-21 Maruyasu Kanagata:Kk Small japanese harp called taishogoto
JPH10158065A (en) * 1996-11-28 1998-06-16 Sumitomo Electric Ind Ltd Cubic boron nitride sintered body and method for producing the same
CA2711146A1 (en) * 2007-12-31 2009-07-09 Rafael Nathan Kleiman High efficiency silicon-based solar cells
US20090169781A1 (en) * 2007-12-31 2009-07-02 Marc Schaepkens Low thermal conductivity low density pyrolytic boron nitride material, method of making, and articles made therefrom
JP5900502B2 (en) 2011-08-30 2016-04-06 住友電気工業株式会社 Cubic boron nitride composite polycrystal and manufacturing method thereof, cutting tool, drawing die, and grinding tool
JP6159064B2 (en) * 2012-08-08 2017-07-05 住友電気工業株式会社 Cubic boron nitride composite polycrystal and cutting tool, wire drawing die, and grinding tool
JP5929655B2 (en) * 2012-09-11 2016-06-08 住友電気工業株式会社 Cubic boron nitride composite polycrystal, method for producing the same, cutting tool, and wear-resistant tool
JP6291995B2 (en) 2014-04-18 2018-03-14 住友電気工業株式会社 Cubic boron nitride polycrystal, cutting tool, wear-resistant tool, grinding tool, and method for producing cubic boron nitride polycrystal
JP6447197B2 (en) 2015-02-04 2019-01-09 住友電気工業株式会社 Cubic boron nitride polycrystal, cutting tool, wear-resistant tool, grinding tool, and method for producing cubic boron nitride polycrystal
JP6447205B2 (en) 2015-02-09 2019-01-09 住友電気工業株式会社 Cubic boron nitride polycrystal, cutting tool, wear-resistant tool, grinding tool, and method for producing cubic boron nitride polycrystal
JP6978445B2 (en) * 2016-06-29 2021-12-08 スミス インターナショナル インコーポレイテッド Binderless cBN sintering by cubic press
EP3333141B1 (en) 2016-10-06 2021-12-15 Sumitomo Electric Industries, Ltd. Method for producing boron nitride polycrystal, boron nitride polycrystal, cutting tool, wear-resistant tool, and grinding tool
CN112334434B (en) * 2018-06-18 2023-06-30 住友电工硬质合金株式会社 Polycrystalline cubic boron nitride and method for producing same
CN112752737B (en) * 2018-09-27 2023-01-10 住友电工硬质合金株式会社 Polycrystalline cubic boron nitride and method for producing same
EP3932890A4 (en) * 2019-02-28 2022-04-27 Sumitomo Electric Hardmetal Corp. Polycrystalline cubic boron nitride and production method therefor
WO2020174923A1 (en) * 2019-02-28 2020-09-03 住友電工ハードメタル株式会社 Polycrystalline cubic boron nitride and production method therefor
WO2020174922A1 (en) * 2019-02-28 2020-09-03 住友電工ハードメタル株式会社 Polycrystalline cubic boron nitride and production method therefor
WO2023027122A1 (en) * 2021-08-26 2023-03-02 デンカ株式会社 Method for producing ceramic plate, ceramic plate, composite sheet and multilayer substrate

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3578403A (en) * 1968-07-05 1971-05-11 Union Carbide Corp Recrystallization of pyrolytic boron nitride
DE2111180C3 (en) * 1971-03-09 1973-10-11 Institut Fisiki Twojordowo Tela I Poluprowodnikow Akademii Nauk Belorusskoj Ssr, Minsk (Sowjetunion) Process for the production of cubic boron nitride
ZA724056B (en) * 1971-07-01 1973-03-28 Gen Electric Catalyst systems for synthesis of cubic boron nitride
JPS5238049B2 (en) * 1972-02-04 1977-09-27
JPS5647124B2 (en) * 1973-06-26 1981-11-07
CA1006328A (en) * 1973-09-06 1977-03-08 General Electric Company Large boron nitride abrasive particles
JPS5760676B2 (en) * 1973-09-28 1982-12-21 Tokyo Shibaura Electric Co
JPS5061413A (en) * 1973-10-01 1975-05-27
JPS5750677Y2 (en) * 1973-12-05 1982-11-05
JPS5116196A (en) * 1974-07-29 1976-02-09 Hitachi Ltd KOKANYOROTSUKAKUKETSUSOKUSOCHI

Also Published As

Publication number Publication date
BR7804310A (en) 1979-04-17
GB2002333B (en) 1982-05-26
ATA477478A (en) 1992-02-15
CH644091A5 (en) 1984-07-13
IL54939A0 (en) 1978-08-31
DE2828742A1 (en) 1979-03-01
JPS63394B2 (en) 1988-01-06
IN150013B (en) 1982-06-26
NL186506B (en) 1990-07-16
AU524584B2 (en) 1982-09-23
NL7807196A (en) 1979-01-03
MX149093A (en) 1983-08-24
DE2828742C2 (en) 1989-02-02
AT395144B (en) 1992-09-25
BE868653A (en) 1978-10-16
DK298578A (en) 1979-01-02
IE781320L (en) 1979-01-01
GB2002333A (en) 1979-02-21
SE447241B (en) 1986-11-03
ZA783449B (en) 1980-04-30
NO782272L (en) 1979-01-03
IT7825186A0 (en) 1978-06-30
JPS5433510A (en) 1979-03-12
NO153603B (en) 1986-01-13
NO153603C (en) 1986-04-23
IE47548B1 (en) 1984-04-18
FR2395948B1 (en) 1984-03-23
AU3761978A (en) 1980-01-03
ES471333A1 (en) 1979-10-01
NL186506C (en) 1990-12-17
FR2395948A1 (en) 1979-01-26

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