KR920008203A - 고경도 내마모성 재료 - Google Patents

고경도 내마모성 재료 Download PDF

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Publication number
KR920008203A
KR920008203A KR1019910017571A KR910017571A KR920008203A KR 920008203 A KR920008203 A KR 920008203A KR 1019910017571 A KR1019910017571 A KR 1019910017571A KR 910017571 A KR910017571 A KR 910017571A KR 920008203 A KR920008203 A KR 920008203A
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South Korea
Prior art keywords
tungsten
carbon
temperature
reaction product
mixture
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KR1019910017571A
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English (en)
Inventor
이. 팀 에드워드
엠. 맥콤즈 앤
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리챠드 고든 워터맨
더 다우 케미칼 캄파니
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Application filed by 리챠드 고든 워터맨, 더 다우 케미칼 캄파니 filed Critical 리챠드 고든 워터맨
Publication of KR920008203A publication Critical patent/KR920008203A/ko

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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C29/00—Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides
    • 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
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/64—Burning or sintering processes
    • C04B35/645—Pressure sintering
    • 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
    • C04B35/56—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 carbides or oxycarbides
    • C04B35/5607—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 carbides or oxycarbides based on refractory metal carbides
    • C04B35/5622—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 carbides or oxycarbides based on refractory metal carbides based on zirconium or hafnium carbides
    • 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
    • C04B35/56—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 carbides or oxycarbides
    • C04B35/5607—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 carbides or oxycarbides based on refractory metal carbides
    • C04B35/5626—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 carbides or oxycarbides based on refractory metal carbides based on tungsten carbides
    • 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
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/64—Burning or sintering processes
    • C04B35/645—Pressure sintering
    • C04B35/6455—Hot isostatic pressing

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Powder Metallurgy (AREA)
  • Glass Compositions (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Stringed Musical Instruments (AREA)
  • Silicon Polymers (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Paints Or Removers (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

내용 없음

Description

고경도 내마모성 재료
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (12)

  1. AX, A 및 선택적인 양의 X사이의 적어도 하나의 불완전 반응 생성물을 포함하고 고경도 및 내마모성을 갖는 재료로서, 상기 불완전 반응 생성물은 미반응 AX와 적어도 하나의 화합물 AX′를 포함하며, 각각의 화합물 AX′는 AX와는 다른 화학량적인 관계를 가지며, 여기서 A는 티타늄, 망간, 지르코늄, 하프늄, 바나늄, 니오브, 탄탈, 철, 크롬, 몰리브덴 또는 텅스텐으로부터 선택되고 X는 붕소, 탄소, 실리콘 또는 질소로부터 선택되는 것을 특징으로 하는 고경도 내마모성 재료.
  2. 제1항에 있어서, A는 텅스텐 또는 하프늄이고 X는 탄소인 것을 특징으로 하는 재료.
  3. 제1항에 있어서, 상기 재료는 A의 잔류량도 포함하는 것을 특징으로 하는 재료.
  4. 상기항중 어느 한 항에 있어서, 상기 재료는 1kg하중하에서 측정한 적어도 1900kg/㎟의 비커스 경도와, ASTM G-65-80 방법에 의해 측정한 적어도 500㎝-3의 내마모성 및 이론 밀도의 90%이상의 밀도를 갖는 것을 특징으로 하는 재료.
  5. AX와 A의 분말 혼합물과 선택적인 양의 X를 분말 혼합물의 성분중 적어도 하나의 불완전 반응 생성물을 형성하기에 충분한 조건의 온도 및 압력하에 유지하는 단계를 포함하는, 고경도 또는 내마모성을 갖는 재료의 제조방법으로서, 상기 반응 생성물은 AX′를 나타내고 AX와는 다른 화학량적인 관계를 가지며 미반응 AX양과 생성물AX′를 포함하는 농후한 강화재료를 생성하며, 상기 AX′는 AX와 비교해 미소한 입자 성장을 했으며, A는 티타늄, 망간, 지르코늄, 하프늄, 바나늄, 니오브, 탄탈, 철, 크롬, 몰리브덴 또는 텅스텐으로부터 선택되는 금속이고, X는 붕소, 탄소, 실리콘 또는 질소로부터 선택되며, 상기 온도는 AX,AX′및 A감성을 방지하기에 충분히 낮은 온도인 것을 특징으로 하는 고경도 내마모성 재료 제조방법.
  6. 제5항에 있어서, 강화이전에 상기 혼합물을 성형 그린웨어 부품으로 변화시키는 중간 단계도 포함되는 것을 특징으로 하는 방법.
  7. 제5항에 있어서, A는 텅스텐이고, X는 탄소인 것을 특징으로 하는 방법.
  8. 제7항에 있어서, 상기 통합 생성물은 1kg하중하에서 측정한 적어도 2200kg/㎟의 비커스 경도와, ASTM G-65-80 방법에 의해 측정한 적어도 500m-3의 내마모성을 갖는 것을 특징으로 하는 방법.
  9. 제5,제6,제7항 또는 제8항중 어느 한 항에 있어서, 상기 혼합물은 강화 이전에 약 2000℃이하의 온도로 가열되고 강화압력은 1시간 이하의 주기동안 전방향 급속압착되게 공급되는 특징으로 하는 방법.
  10. 제9항에 있어서, 상기 압력은 약1분 이하의 주기동안 가해지는 것을 특징으로 하는 방법.
  11. 제5,제6,제7항 또는 제8항중 어느 한 항에 있어서, 상기 혼합물은 1500℃로부터 2000℃의 온도 범위로 가열되고 강화압력은 1시간 이하의 주기동안 고온 균일 프레싱에 의해 공급되는 것을 특징으로 하는 방법.
  12. 물분사 절단 작업용으로 사용할 수 있는 노즐로서, 제1항의 재료로 제조되는 것을 특징으로 하는 노즐.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910017571A 1990-10-09 1991-10-08 고경도 내마모성 재료 KR920008203A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/594,884 US5089447A (en) 1990-10-09 1990-10-09 High hardness, wear resistant materials
US594,884 1990-10-09

Publications (1)

Publication Number Publication Date
KR920008203A true KR920008203A (ko) 1992-05-27

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Application Number Title Priority Date Filing Date
KR1019910017571A KR920008203A (ko) 1990-10-09 1991-10-08 고경도 내마모성 재료

Country Status (11)

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US (1) US5089447A (ko)
EP (1) EP0480636B1 (ko)
JP (1) JPH05209248A (ko)
KR (1) KR920008203A (ko)
AT (1) ATE161813T1 (ko)
CA (1) CA2052977A1 (ko)
DE (1) DE69128595T2 (ko)
FI (1) FI914739A (ko)
IL (1) IL99675A0 (ko)
NO (1) NO913944L (ko)
TW (1) TW223125B (ko)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0627017A1 (en) * 1992-02-20 1994-12-07 The Dow Chemical Company Rhenium-bound tungsten carbide composites
EP0689525B1 (en) * 1993-03-18 1998-01-21 The Dow Chemical Company Complex multi-phase reaction sintered hard and wear resistant materials
EP0698002B1 (en) * 1993-04-30 1997-11-05 The Dow Chemical Company Densified micrograin refractory metal or solid solution (mixed metal) carbide ceramics
JP3310138B2 (ja) * 1995-07-11 2002-07-29 ダイジ▲ェ▼ット工業株式会社 焼結硬質材
US5952102A (en) * 1996-05-13 1999-09-14 Ceramatec, Inc. Diamond coated WC and WC-based composites with high apparent toughness
US6634837B1 (en) 2000-10-30 2003-10-21 Cerbide Corporation Ceramic cutting insert of polycrystalline tungsten carbide
JP5079940B2 (ja) * 2000-12-22 2012-11-21 日本特殊陶業株式会社 炭化タングステン系超硬基複合材料焼結体
US6843824B2 (en) 2001-11-06 2005-01-18 Cerbide Method of making a ceramic body of densified tungsten carbide
US20060003013A1 (en) * 2003-03-11 2006-01-05 Dobbs Robert J Grinding media and methods associated with the same
US20070098803A1 (en) 2005-10-27 2007-05-03 Primet Precision Materials, Inc. Small particle compositions and associated methods
US8091455B2 (en) 2008-01-30 2012-01-10 Cummins Filtration Ip, Inc. Apparatus, system, and method for cutting tubes
JP2009226512A (ja) * 2008-03-21 2009-10-08 Tungaloy Corp 炭化タングステン基焼結体
DE102014204277B4 (de) * 2014-03-07 2023-06-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. VERSCHLEIßFESTE WOLFRAMCARBID-KERAMIKEN UND VERFAHREN ZU IHRER HERSTELLUNG

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Publication number Priority date Publication date Assignee Title
US3488291A (en) * 1964-06-17 1970-01-06 Cabot Corp Process and composition for the production of cemented metal carbides
US3451791A (en) * 1967-08-16 1969-06-24 Du Pont Cobalt-bonded tungsten carbide
US3660050A (en) * 1969-06-23 1972-05-02 Du Pont Heterogeneous cobalt-bonded tungsten carbide
JPS5039445B2 (ko) * 1972-10-06 1975-12-17
SE412417B (sv) * 1973-01-18 1980-03-03 Massachusetts Inst Technology Skaerverktyg av volframkarbid och foerfarande foer dess tillverkning
US4124665A (en) * 1974-05-16 1978-11-07 Advanced Technology Center, Inc. Method of making a tungsten carbide body
US4292081A (en) * 1979-06-07 1981-09-29 Director-General Of The Agency Of Industrial Science And Technology Boride-based refractory bodies
US4828584A (en) * 1986-01-09 1989-05-09 Ceramatec, Inc. Dense, fine-grained tungsten carbide ceramics and a method for making the same
US4891338A (en) * 1987-01-13 1990-01-02 Lanxide Technology Company, Lp Production of metal carbide articles
US4945073A (en) * 1988-09-20 1990-07-31 The Dow Chemical Company High hardness, wear resistant materials

Also Published As

Publication number Publication date
FI914739A0 (fi) 1991-10-08
CA2052977A1 (en) 1992-04-10
TW223125B (ko) 1994-05-01
IL99675A0 (en) 1992-08-18
EP0480636B1 (en) 1998-01-07
NO913944L (no) 1992-04-10
DE69128595D1 (de) 1998-02-12
DE69128595T2 (de) 1998-04-16
NO913944D0 (no) 1991-10-08
EP0480636A3 (en) 1992-10-14
US5089447A (en) 1992-02-18
JPH05209248A (ja) 1993-08-20
FI914739A (fi) 1992-04-10
EP0480636A2 (en) 1992-04-15
ATE161813T1 (de) 1998-01-15

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