ZA893416B - Method for producing mono-crystalline alumina grains - Google Patents

Method for producing mono-crystalline alumina grains

Info

Publication number
ZA893416B
ZA893416B ZA893416A ZA893416A ZA893416B ZA 893416 B ZA893416 B ZA 893416B ZA 893416 A ZA893416 A ZA 893416A ZA 893416 A ZA893416 A ZA 893416A ZA 893416 B ZA893416 B ZA 893416B
Authority
ZA
South Africa
Prior art keywords
crystalline alumina
alumina grains
producing mono
mono
producing
Prior art date
Application number
ZA893416A
Other languages
English (en)
Inventor
Masahiro Tamamaki
Tamamaki Masahiro
Yoshihiro Onada
Onada Yoshihiro
Masaru Nozaki
Nozaki Masaru
Original Assignee
Japan Abrasive Company Limited
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 Japan Abrasive Company Limited filed Critical Japan Abrasive Company Limited
Publication of ZA893416B publication Critical patent/ZA893416B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C01F7/021—After-treatment of oxides or hydroxides
    • C01F7/027—Treatment involving fusion or vaporisation
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10—Inorganic compounds or compositions
    • C30B29/16—Oxides
    • C30B29/20—Aluminium oxides
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B9/00—Single-crystal growth from melt solutions using molten solvents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
ZA893416A 1988-05-09 1989-05-09 Method for producing mono-crystalline alumina grains ZA893416B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63112233A JPH01282195A (ja) 1988-05-09 1988-05-09 アルミナ質単結晶粒とその製造方法及び研磨具

Publications (1)

Publication Number Publication Date
ZA893416B true ZA893416B (en) 1990-01-31

Family

ID=14581574

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA893416A ZA893416B (en) 1988-05-09 1989-05-09 Method for producing mono-crystalline alumina grains

Country Status (7)

Country Link
EP (1) EP0342841A1 (xx)
JP (1) JPH01282195A (xx)
CN (1) CN1024459C (xx)
AU (1) AU633000B2 (xx)
BR (1) BR8902159A (xx)
NO (1) NO891851L (xx)
ZA (1) ZA893416B (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100390330C (zh) * 2006-09-21 2008-05-28 中国铝业股份有限公司 低温制备片状α－Al2O3单晶颗粒的方法
US20110046267A1 (en) * 2008-04-30 2011-02-24 Denki Kagaku Kogyo Kabushiki Kaisha Alumina powder, process for its production and resin composition employing it
JP5471398B2 (ja) * 2009-12-16 2014-04-16 日立化成株式会社 エピタキシャル成長用のサファイア単結晶ウエハ及びその製造方法
CN108865063A (zh) * 2018-06-12 2018-11-23 山东鲁信四砂泰山磨料有限公司 氧化铝基磨料及其制备方法
CN110241458A (zh) * 2019-05-24 2019-09-17 淅川正弘单晶刚玉厂 灰白色单晶刚玉的生产方法
CN112725904B (zh) * 2020-12-09 2022-12-13 天通银厦新材料有限公司 蓝宝石晶体的边角料晶壳料的再利用方法
CN114408954B (zh) * 2022-01-26 2023-06-13 株洲科能新材料股份有限公司 一种单晶氧化铝微粉的制备方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3950507A (en) * 1974-03-19 1976-04-13 Boreskov Georgy Konstantinovic Method for producing granulated porous corundum
DE2658124C3 (de) * 1976-12-22 1982-05-06 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Herstellung von Elektroschmelzkorund
DE2850064B1 (de) * 1978-11-18 1980-05-08 Giulini Chemie Hexagonale tafelfoermige alpha-Aluminiumoxid-Einkristalle und Verfahren zu ihrer Herstellung
DE3212297C2 (de) * 1982-03-29 1984-12-13 Schweizerische Aluminium Ag, Chippis Verfahren zur Herstellung grobkristalliner Tonerde

Also Published As

Publication number Publication date
AU3452589A (en) 1989-11-09
NO891851D0 (no) 1989-05-05
AU633000B2 (en) 1993-01-21
JPH01282195A (ja) 1989-11-14
CN1040634A (zh) 1990-03-21
CN1024459C (zh) 1994-05-11
NO891851L (no) 1989-11-10
EP0342841A1 (en) 1989-11-23
JPH0476350B2 (xx) 1992-12-03
BR8902159A (pt) 1990-01-02

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