KR910015510A - 소결 알루미나 지립 및 그 제조방법 - Google Patents

소결 알루미나 지립 및 그 제조방법 Download PDF

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Publication number
KR910015510A
KR910015510A KR1019910002239A KR910002239A KR910015510A KR 910015510 A KR910015510 A KR 910015510A KR 1019910002239 A KR1019910002239 A KR 1019910002239A KR 910002239 A KR910002239 A KR 910002239A KR 910015510 A KR910015510 A KR 910015510A
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South Korea
Prior art keywords
sintered alumina
abrasive grains
alumina abrasive
acid
dispersion
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KR1019910002239A
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English (en)
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KR950002333B1 (ko
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마사히로 타마마끼
요시히로 오노다
마사루 노자끼
시게오 스즈끼
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원본미기재
니혼 켄마자이 고오교 가부시끼가이샤
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    • 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
    • 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
    • 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
    • C04B35/1115—Minute sintered entities, e.g. sintered abrasive grains or shaped particles such as platelets

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

내용 없음

Description

소결 알루미나 지립 및 그 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (13)

  1. 순도 98.0wt%이상의 산화 알루미늄과 0.01∼1.5wt%의 산화 리튬을 포함하고, 적어도 이론밀도의 95%이상의 밀도를 가지고 있으며, α-Al2O3결정이 1미크론보다 작은 것을 특징으로 하는 소결 알루미나 지립.
  2. 제1항에 있어서, α-Al2O3결정화율이 75∼95%인 소결 알루미나 지립.
  3. 제1항 또는 2항에 있어서, 산화 리튬을 0.03∼1.5wt% 포함하고, α-Al2O3결정이 0.1∼0.5미크론 인 소결 알루미나 지립.
  4. 물에 알루미나 1수화물과 리튬 전구체와 산을 첨가 혼합해서 리튬을 포함하는 분산체로 되게하고, 이 분산체를 건조, 분쇄하고, 다시 1100℃∼1500℃의 온도에서 소결하는 것을 특징으로 하는 소결 알루미나 지립의 제조방법.
  5. 제4항에 있어서, 분산체에 알루미나의 개질성분을 첨가하는 소결 알루미나 지립의 제조방법.
  6. 제4항 또는 제5항에 있어서, 40∼80℃의 온도에서 혼합처리해서 분산체로 하는 소결 알루미나 지립의 제조방법.
  7. 제4항 내지 제6항에 있어서, 분산체를 작성후, 다시 초음파 진동처리하는 소결 알루미나 지립의 제조방법.
  8. 제4항 내지 제7항에 있어서, 산이 질산, 염산, 초산중 어느 하나이든, 또는 그들의 혼합된 산으로 이루어지는 소결 알루니마 지립의 제조방법.
  9. 제4항 내지 제8항에 있어서, 개질성분이 Mg, Ca, Co, Ni, Cr, Fe, Si, Zn, Mn, Ti및 Zr의 원소군으로부터 선택되는 것을 특지으로 하는 소결 알루미나 지립의 제조방법.
  10. 제4항 내지 제9항에 있어서, 리튬을 포함하는 분산체를 전조, 분쇄한 생성물을, 1100∼1500℃의 온도에서 10분 내지 2시간 소성하고, α-A12O3결정화율이 75∼95%의 소결 알루미나 지립을 얻는 소결 알루미나 지립의 제조방법.
  11. 제4항 내지 제10항에 있어서, 리튬을 포함하는 분산체를 성형, 건조후, 1100∼1500℃의 온도에서 소성하고, α-Aㅣ2O3결정화율이 75∼95%의 소결 알루미나 지립을 얻는 소결 알루미나 지립의 제조방법.
  12. 제1항, 제2항 또는 제3항에 기재된 소결 알루미나 지립을 사용하고, 무기질 또는 유기질 본드를 사용하여 소성된 지석.
  13. 제1항, 제2항 또는 제3항에 기재한 소결 알루미나 연마입자를 사용하고, 레진본드를 사용하여 소성된 연마마포지제품.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910002239A 1990-02-09 1991-02-09 소결 알루미나 지립 및 그 제조방법 KR950002333B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2-30427 1990-02-09
JP2030427A JPH06104816B2 (ja) 1990-02-09 1990-02-09 焼結アルミナ砥粒及びその製造方法

Publications (2)

Publication Number Publication Date
KR910015510A true KR910015510A (ko) 1991-09-30
KR950002333B1 KR950002333B1 (ko) 1995-03-16

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Country Status (10)

Country Link
US (1) US5190567A (ko)
EP (1) EP0441640A3 (ko)
JP (1) JPH06104816B2 (ko)
KR (1) KR950002333B1 (ko)
AU (1) AU651959B2 (ko)
BR (1) BR9100562A (ko)
CA (1) CA2036051A1 (ko)
NO (1) NO910504L (ko)
NZ (1) NZ237083A (ko)
ZA (1) ZA91997B (ko)

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Also Published As

Publication number Publication date
JPH06104816B2 (ja) 1994-12-21
EP0441640A3 (en) 1993-02-03
BR9100562A (pt) 1991-10-29
CA2036051A1 (en) 1991-08-10
AU651959B2 (en) 1994-08-11
NO910504L (no) 1991-08-12
ZA91997B (en) 1994-10-06
US5190567A (en) 1993-03-02
AU7094791A (en) 1991-08-15
NO910504D0 (no) 1991-02-08
JPH03234785A (ja) 1991-10-18
KR950002333B1 (ko) 1995-03-16
EP0441640A2 (en) 1991-08-14
NZ237083A (en) 1993-05-26

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