ES8105679A1 - Un procedimiento y una celula de reanimacion a alta presion para la obtencion de nitruro de boro cubico - Google Patents

Un procedimiento y una celula de reanimacion a alta presion para la obtencion de nitruro de boro cubico

Info

Publication number
ES8105679A1
ES8105679A1 ES492309A ES492309A ES8105679A1 ES 8105679 A1 ES8105679 A1 ES 8105679A1 ES 492309 A ES492309 A ES 492309A ES 492309 A ES492309 A ES 492309A ES 8105679 A1 ES8105679 A1 ES 8105679A1
Authority
ES
Spain
Prior art keywords
boron nitride
high pressure
hbn
cubic boron
carbon
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
Application number
ES492309A
Other languages
English (en)
Other versions
ES492309A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric 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 General Electric Co filed Critical General Electric Co
Publication of ES492309A0 publication Critical patent/ES492309A0/es
Publication of ES8105679A1 publication Critical patent/ES8105679A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/06—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron
    • C01B21/064—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with boron
    • 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
    • C09K3/1409—Abrasive particles per se
    • C09K3/1418—Abrasive particles per se obtained by division of a mass agglomerated by sintering
    • 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
    • B01J2203/0685—Crystal sintering

Landscapes

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

Abstract

PROCEDIMIENTO Y CELULA DE REACCION A ALTA PRESION PARA LA OBTENCION DE NITRURO DE BORO CUBICO. CONSISTE EN SEPARAR EL OXIDO BORICO DE LA SUPERFICIE DEL NITRURO DE BORO HEXAGONAL MEDIANTE CALCINACION AL VACIO Y CONVERTIR ESTE ULTIMO EN NITRURO DE BORO CUBICO, SOMETIENDOLO, EN AUSENCIA DE IMPUREZAS, A UNA PRESION DE 50 A 80 KILOBARIAS Y A UNA TEMPERATURA ENTRE 2000 Y 2300 GC, DURANTE UN TIEMPO DE UNOS 8 MINUTOS. EL PROCESO TIENE LUGAR EN UNA CELULA DE REACCION FORMADA POR UN TUBO DE CARBONO (1) DISPUESTO EN EL INTERIOR DE UN MANGUITO CILINDRICO (7) DE MATERIAL REFRACTARIO QUE EVITA LA ENTRADA DE IMPUREZAS. EL NITRURO DE BORO HEXAGONAL (4) SE COLOCA PROTEGIDO POR UNOS TACOS DE CARBONO (3 Y 6), UNOS DISCOS (2) Y UNOS TACOS DE NITRURO DE BORO PRENSADO EN CALIENTE (5 Y 13).
ES492309A 1979-06-11 1980-06-10 Un procedimiento y una celula de reanimacion a alta presion para la obtencion de nitruro de boro cubico Expired ES8105679A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/047,656 US4289503A (en) 1979-06-11 1979-06-11 Polycrystalline cubic boron nitride abrasive and process for preparing same in the absence of catalyst

Publications (2)

Publication Number Publication Date
ES492309A0 ES492309A0 (es) 1981-05-16
ES8105679A1 true ES8105679A1 (es) 1981-05-16

Family

ID=21950212

Family Applications (1)

Application Number Title Priority Date Filing Date
ES492309A Expired ES8105679A1 (es) 1979-06-11 1980-06-10 Un procedimiento y una celula de reanimacion a alta presion para la obtencion de nitruro de boro cubico

Country Status (21)

Country Link
US (1) US4289503A (es)
EP (1) EP0022177B1 (es)
JP (2) JPS55167110A (es)
KR (1) KR830001462B1 (es)
AR (1) AR224157A1 (es)
AT (1) ATE11399T1 (es)
AU (1) AU544193B2 (es)
BE (1) BE883730A (es)
BR (1) BR8003655A (es)
CA (1) CA1140728A (es)
CH (1) CH647740A5 (es)
DE (1) DE3070001D1 (es)
DK (1) DK182880A (es)
ES (1) ES8105679A1 (es)
FI (1) FI68604C (es)
FR (1) FR2458510B1 (es)
IE (1) IE51436B1 (es)
IL (1) IL59898A (es)
IT (1) IT1150961B (es)
MX (1) MX153793A (es)
NO (1) NO801727L (es)

Families Citing this family (126)

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