KR900007757A - 다결정성 cbn 세라믹 재료의 제조방법 및 그 제품 - Google Patents

다결정성 cbn 세라믹 재료의 제조방법 및 그 제품 Download PDF

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KR900007757A
KR900007757A KR1019890016205A KR890016205A KR900007757A KR 900007757 A KR900007757 A KR 900007757A KR 1019890016205 A KR1019890016205 A KR 1019890016205A KR 890016205 A KR890016205 A KR 890016205A KR 900007757 A KR900007757 A KR 900007757A
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레이몬드 코리간 프란시스
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아더 엠. 킹
제너럴 일렉트릭 캄파니
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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
    • C04B35/58—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
    • 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
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
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  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
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Abstract

내용 없음

Description

다결정성 CBN 세라믹 재료의 제조방법 및 그 제품
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
도면은 실시예에 사용된 반응 대역 조립체 또는, 예를 들면 미합중국 특허 제2,947,611호, 동 제2,941,241호 및 동 제2,941,248호에 더욱 상세히 설명된 셀의 횡단면 배치도이다.

Claims (24)

  1. GBN및 1종 이상이 세라믹 물질 또는 BN과 반응하여 세라믹 물질을 형성하는 금속으로 된 혼합물을, 상기 GBN을 CBN으로 전환시키고, 상기 금속을 그에 대응하는 금속 세라믹으로 전환시키며, 상기 CBN/세라믹체를 형성하기 위한 HP/HT 조건하에서 처리하는 것을 특징으로 하는 소결된 다결정 CBN/세라믹체의 개선된 제조방법.
  2. 제1항에 있어서, 상기 혼합물중의 GBN의 비율이 약 10 내지 95vol%인 것을 특징으로 하는 방법.
  3. 제1항에 있어서, 상기 혼합물의 중의 약 1.5밀리미터 이하의 입도를 갖는 입자 형태인 것을 특징으로 하는 방법.
  4. 제3항에 있어서, GBN입자의 입도가 0.1 내지 10 미크론 범위인 것을 특징으로 하는 방법.
  5. 제1항에 있어서, 상기 혼합물 중의 세라믹 물질 또는 금속 0.1 내지 100 미크론 범위의 입도를 갖는 입자 형태인 것을 특징으로 하는 방법.
  6. 제1항에 있어서, 상기 혼합물 중의 GBN을 표면의 산화붕소를 제거하기 위해 진공 소성 처리하는 것을 특징으로 하는 방법.
  7. 제1항에 있어서, 상기 혼합물 중의 GBN을 부분적으로 분해시킴으로써 표면의 붕소 풍부화를 얻기 위해 진공 소성 처리하는 것을 특징으로 하는 방법.
  8. 제1항에 있어서, 상기 혼합물의 화학 증착법, 졸겔 기술, 중합체 열분해 기술 및 연소 합성법 중 어느 한가지 방법에 의해 형성되는 것을 특징으로 하는 방법.
  9. 제1항에 있어서, 상기 혼합물 중의 세라믹 물질이 알루미늄, 티탄, 규소, 크롬, 하프늄, 지르코늄, 탄탈, 볼리브덴, 니오븀, 바나듐, 텅스텐 및 이들의 혼합물로 구성되는 군 중에서 선택된 금속의 탄화물, 질화물, 침탄질화물, 붕화물 또는 규화물인 것을 특징으로 하는 방법.
  10. 제1항에 있어서, 상기 세라믹 물질이 알루미늄, 티탄, 규소, 크롬, 하프늄, 지르코늄, 탄탈, 몰리브덴, 니오븀, 바나듐, 텅스텐 및 이들의 혼합물로 구성되는 군중에서 선택된 금속의 탄화물, 질화물, 침탄질화물, 붕화물 또는 규화물인 세라믹을 니켈, 코발트, 크롬, 망간, 철, 몰리브덴, 텅스텐, 바나듐, 알루미늄, 마그네슘, 규소, 티탄, 지르코늄, 하프늄 및 이들의 혼합물로 구성되는 군중에서 선택된 금속으로 접합시킴으로써 형성된 서어멧(cermet)인 것을 특징으로 하는 방법.
  11. 제1항에 있어서, 상기 전환을 유도하기 위해 상기 혼합물을 1000-2300℃의 온도 및 45-80Kbar의 압력을 받게하는 것을 특징으로 하는 방법.
  12. 제1항에 있어서, 형성된 CBN/세라믹체를 그의 입자 형성을 위해 입도 축소 처리하는 것을 특징으로 하는 방법.
  13. GBN과 1종 이상의 세라믹 물질 또는 BN과 반응하며 세라믹 물질을 형성하는 금속으로 된 혼합물로 부터 HP/HT법에 의해 GBN 및 결합체 모두가 그 자체로서 형성되는 것이 특징인 CBN/세라믹결합체.
  14. 제13항에 있어서, 상기 혼합물 중의 GBN의 비율이 10-95 vol%범위인 것을 특징으로 하는 결합체.
  15. 제13항에 있어서, 상기 혼합물 중의 GBN 약 1.5㎜ 이하의 입도를 갖는 입자 형태인 것을 특징으로 하는 결합체.
  16. 제15항에 있어서, 상기 혼합물 중의 GBN입자의 입도가 0.1-10 미크론 범위인 것을 특징으로 하는 결합체.
  17. 제13항에 있어서, 상기 혼합물 중의 세라믹 물질 또는 금속이 0.1-100 미크론 범위의 입도를 갖는 입자 형태인 것을 특징으로 하는 결합체.
  18. 제13항에 있어서, 상기 혼합물 중의 GBN을 표면의 산화붕소를 제거하기 위해 진공 소성 처리하는 것을 특징으로 하는 결합체.
  19. 제13항에 있어서, 상기 혼합물 중의 GBN을 진공소성 처리하여 부분적으로 분해시킴으로써 표면을 붕소풍부화시키는 것을 특징으로 하는 결합체.
  20. 제13항에 있어서, 상기 혼합물 중의 세라믹 물질이 알루미늄, 티탄, 규소, 크롬, 하프늄, 지르코늄, 탄탈, 몰리브덴, 니오븀, 바나듐, 텅스텐 및 이들의 혼합물로 구성되는 군 중에서 선택된 금속의 탄화물, 질화물, 침탄질화물, 붕화물 또는 규화물인 것을 특징으로 하는 결합체.
  21. 제13항에 있어서, 상기 세라믹 물질이, 알루미늄, 티탄, 규소, 크롬, 하프늄, 지르코늄, 탄탈, 몰리브덴, 니오븀, 바나듐, 텅스텐 및 이들의 혼합물로 구성되는 군중에서 선택된 금속의 탄화물, 질화물, 침탄진화물, 봉화물 또는 규화믈인 세라믹을 니켈, 코발트, 크롬, 망간, 철, 몰리브텐, 텅스텐, 바나듐, 알루미늄, 마그네슘, 규소, 티탄, 지르코늄, 하프늄 및 이들의 혼합물로 구성되는 군중에서 선택된 금속으로 접합시킴으로써 형성된 서어멧(cermet)인 것을 특징으로 하는 결합체.
  22. 제13항에 있어서, 상기 전환을 유도하기 위해 상기 혼합물을 1000-2300℃의 온도 및 45-80Kbar의 압력을 받게 하는 것을 특징으로 하는 결합체.
  23. 제13항에 있어서, 형성된 CBN/세라믹체를 입자 형성을 위해 입도 축소 처리하는 것을 특징으로 하는 결합체.
  24. 제13항에 있어서, 상기 결합체를 형성하는 혼합물을 화학 증착법, 졸겔기술, 중합체 열분해 기술 및 연소합성법 중 어느 한 가지 방법으로 제조하는 것을 특징으로 하는 결합체.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890016205A 1988-11-10 1989-11-09 다결정성 cbn 세라믹체의 제조 방법 및 그 제품 KR970009987B1 (ko)

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US26996588A 1988-11-10 1988-11-10
US269,965 1989-06-16
US07/366,943 US5043120A (en) 1988-11-10 1989-06-16 Process for preparing polycrystalline CBN ceramic masses
US366,943 1989-06-16

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KR900007757A true KR900007757A (ko) 1990-06-01
KR970009987B1 KR970009987B1 (ko) 1997-06-20

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US (1) US5043120A (ko)
EP (1) EP0368069B1 (ko)
JP (1) JP2980623B2 (ko)
KR (1) KR970009987B1 (ko)
AT (1) ATE155121T1 (ko)
CA (1) CA1326949C (ko)
DE (1) DE68928160T2 (ko)
ES (1) ES2103703T3 (ko)

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EP0368069A3 (en) 1990-10-31
ATE155121T1 (de) 1997-07-15
US5043120A (en) 1991-08-27
EP0368069A2 (en) 1990-05-16
EP0368069B1 (en) 1997-07-09
CA1326949C (en) 1994-02-15
KR970009987B1 (ko) 1997-06-20
JPH02212362A (ja) 1990-08-23
DE68928160D1 (de) 1997-08-14
JP2980623B2 (ja) 1999-11-22
DE68928160T2 (de) 1998-01-22

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