KR940009313A - 세라믹 연마재 입자와 그 제조방법 및 연마제품 - Google Patents

세라믹 연마재 입자와 그 제조방법 및 연마제품 Download PDF

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Publication number
KR940009313A
KR940009313A KR1019930022183A KR930022183A KR940009313A KR 940009313 A KR940009313 A KR 940009313A KR 1019930022183 A KR1019930022183 A KR 1019930022183A KR 930022183 A KR930022183 A KR 930022183A KR 940009313 A KR940009313 A KR 940009313A
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phase
ceramic abrasive
oxide
abrasive particles
abrasive grain
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KR1019930022183A
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English (en)
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타마마끼 마사히로
후지이 쇼오이찌
쯔다 코오지
스즈끼 나루오
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야츠끼 후지따로
니혼 켄마자이 고오교 가부시끼가이샤
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Publication of KR940009313A publication Critical patent/KR940009313A/ko

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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
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/111—Fine ceramics
    • C04B35/117—Composites
    • 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
    • C04B35/624—Sol-gel processing
    • 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
    • C09K3/1436—Composite particles, e.g. coated particles
    • C09K3/1445—Composite particles, e.g. coated particles the coating consisting exclusively of metals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y10T428/2993—Silicic or refractory material containing [e.g., tungsten oxide, glass, cement, etc.]

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Composite Materials (AREA)
  • Structural Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

경도, 입자강도(인성), 자생발인력 및 연삭시의 영응력의 완화에 뛰어나며, 스테인레스강, 티탄강, 고니켈 합금등의 난삭재료의 연삭에도 대응할 수 있는 Al2O3-Er2O3질 세라믹 연마재 입자 및 이 연마재 입자의 제조방법 및 이 연마재 입자를 이용한 연마제품을 제공한다.
실질적으로 α-Al2O3만으로 된 제1상과 이 제1상을 에워싼 반응생성물의 형태를 취하고, 산화알루미늄과 산화에르븀으로 된 제2상으로 되어 있고, 이 2개상으로 된 결정입자의 크기가 1μm 이하이며 제1상중에 제2상이 포함되어 있지 않은 Al2O3-Er2O3질 세라믹 연마재 입자이며, 졸겔 법을 사용하여 0.4중량% 도입하는 제조방법이며, 얻어진 연마재 입자은 랩재, 연삭숫돌, 연마디스크 연마포지 제품으로서 이용된다.

Description

세라믹 연마재 입자와 그 제조방법 및 연마제품
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 Al2O3-Er2O3질 세라믹 연마재 입자의 고분해능 분석전자현미경(투과전자현미경：촬영배율 10만배) 사진에 근거한 모식도,
제3도는 졸·겔법에 근거한 알루미나 희토류질 세라믹 연마재 입자의 편광현미경사진(촬영배율：1천배)에 근거한 모식도.

Claims (12)

  1. 제1상을 에워싼 반응 생성물의 형태를 취하는 산화 알루미늄과 산화 에르븀으로 이루어진 제2상, 및 이 제2상을 포함하지 않는 α-Al2O3만으로 된 제1상으로 구성되고, 동시에 이들의 2상으로 된 결정입자의 크기가 1μm이 하인 것을 특징으로 하는 Al2O3-Er2O3질 세라믹 연마재 입자.
  2. 제1항에 있어서, 산화 알루미늄과 산화 에르븀으로 이루어진 제2상의 광물상이 사방정계인 Er2O3·Al2O3로 구성되고, 제1상인 α-Al2O3를 에워싼 형상을 이루는 것을 특징으로 하는 세라믹 연마재 입자.
  3. 제1항에 있어서, 산화 알루미늄과 산화 에르븀으로 이루어진 제2상의 광물상이 사방정계인 Er2O3·Al2O3와 등축정계인 3Er2O3·5Al2O3로 구성되고, 제1상인 α-Al2O3를 에워싼 형상을 이루는 것을 특징으로 하는 세라믹 연마재 입자.
  4. 제2 또는 제3항에 있어서, 림 형상을 이루는 제2상의 두께가 0.1μm 이하인 것을 특징으로 하는 세라믹 연마재 입자.
  5. 제1항 내지 4항중 어느 한 항에 있어서, 산화 에르븀의 함유량이 0.05-0.4중량%이며, 0.1-1부피%의 산화알루미늄과 산화 에르븀으로 이루어진 제2상을 가짐을 특징으로 하는 세라믹 연마재 입자.
  6. 제1항 내지 5항중 어느 한 항에 있어서, 제1상 및 제2상에 있어서, 0.01-1.5wt%의 산화 리튬을 함유함을 특징으로 하는 세라믹 연마재 입자.
  7. 제1항 내지 6항중 어느 한 항에 있어서, 2상으로 된 결정입자의 크기가 0.5μm이하임을 특징으로 하는 세라믹 연마재 입자.
  8. 제1항 내지 7항중 어느 한 항에 있어서, 적어도 이론 밀도의 97.5% 이상의 밀도와 21GPa 이상의 경도를 가짐을 특징으로 하는 세라믹 연마재 입자.
  9. 물에 알루미늄 1수화물과 산을 더하여 혼합하고, 이 분산체를 건조, 분쇄, 가소시키고, 또한 1100-1500℃의 온도에서 10분 내지 2시간동안 소결하는 공정에 있어서, 연마재 입자 제품 중에서 반응 생성물의 형태를 취하는 산화 알루미늄과 산화 에르븀으로 이루어진 제2상을 형성하는 에르븀 전구체를 Er2O 환산으로 0.05-0.4중량% 도입하는 것을 특징으로 하는 세라믹 연마재 입자의 제조방법.
  10. 제9항에 있어서, 분산체를 가소시킨 후 900-1300℃로 예비소성시키고, 상대밀도를 미리 80% 이상으로하여 기르븀 전구체의 도입을 수행하는 것을 특징으로 하는 세라믹 연마재 입자의 제조방법.
  11. 제1항 내지 8항중 어느 한 항의 세라믹 연마재 입자를 이용하여 무기질 또는 유기질 결합제로 결합하여 이루어지는 숫돌 제품.
  12. 제1항 내지 8항중 어느 한 항의 세라믹 연마재입자를 이용하여 유기질 본도로 결합하여 이루어진 연마포지 제품.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930022183A 1992-10-23 1993-10-22 세라믹 연마재 입자와 그 제조방법 및 연마제품 KR940009313A (ko)

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JP1992-286090 1992-10-23
JP4286090A JPH0715095B2 (ja) 1992-10-23 1992-10-23 セラミック砥粒及びその製造方法並びに研磨製品

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US (1) US5431704A (ko)
EP (1) EP0594455A3 (ko)
JP (1) JPH0715095B2 (ko)
KR (1) KR940009313A (ko)
CN (1) CN1086201A (ko)
AU (1) AU5025993A (ko)
BR (1) BR9304350A (ko)
CA (1) CA2109020A1 (ko)
NO (1) NO933798L (ko)
ZA (1) ZA937900B (ko)

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JPH06136353A (ja) 1994-05-17
NO933798D0 (no) 1993-10-22
CA2109020A1 (en) 1994-04-24
EP0594455A3 (en) 1994-09-28
US5431704A (en) 1995-07-11
ZA937900B (en) 1994-06-16
JPH0715095B2 (ja) 1995-02-22
EP0594455A2 (en) 1994-04-27
AU5025993A (en) 1994-05-05
NO933798L (no) 1994-04-25
CN1086201A (zh) 1994-05-04
BR9304350A (pt) 1994-10-11

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