GB1592267A - Production of electrofusion corundum - Google Patents
Production of electrofusion corundum Download PDFInfo
- Publication number
- GB1592267A GB1592267A GB53334/77A GB5333477A GB1592267A GB 1592267 A GB1592267 A GB 1592267A GB 53334/77 A GB53334/77 A GB 53334/77A GB 5333477 A GB5333477 A GB 5333477A GB 1592267 A GB1592267 A GB 1592267A
- Authority
- GB
- United Kingdom
- Prior art keywords
- corundum
- alumina
- weight
- melt
- alkali
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
- 239000010431 corundum Substances 0.000 title claims description 59
- 229910052593 corundum Inorganic materials 0.000 title claims description 59
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 41
- 238000000034 method Methods 0.000 claims description 38
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 34
- 239000000203 mixture Substances 0.000 claims description 32
- 239000013078 crystal Substances 0.000 claims description 25
- 239000003513 alkali Substances 0.000 claims description 19
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 18
- 238000005406 washing Methods 0.000 claims description 18
- 239000000155 melt Substances 0.000 claims description 17
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 14
- 239000000377 silicon dioxide Substances 0.000 claims description 13
- 239000006004 Quartz sand Substances 0.000 claims description 12
- 239000012535 impurity Substances 0.000 claims description 12
- 239000002253 acid Substances 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 238000010891 electric arc Methods 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000012216 screening Methods 0.000 claims description 3
- 238000004131 Bayer process Methods 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000002474 experimental method Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 11
- 239000011159 matrix material Substances 0.000 description 7
- 239000012071 phase Substances 0.000 description 6
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 5
- 238000000227 grinding Methods 0.000 description 5
- 239000007858 starting material Substances 0.000 description 5
- 239000008187 granular material Substances 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910018557 Si O Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229910052910 alkali metal silicate Inorganic materials 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000005368 silicate glass Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 238000004017 vitrification Methods 0.000 description 1
- 238000002424 x-ray crystallography Methods 0.000 description 1
Classifications
-
- 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
- C09K3/1427—Abrasive particles per se obtained by division of a mass agglomerated by melting, at least partially, e.g. with a binder
-
- 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
- C01F7/46—Purification of aluminium oxide, aluminium hydroxide or aluminates
-
- 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
- C04B35/107—Refractories by fusion casting
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/02—Amorphous compounds
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/32—Thermal properties
- C01P2006/33—Phase transition temperatures
- C01P2006/36—Solid to solid transition temperatures
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Geology (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Silicon Compounds (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Glass Compositions (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2658124A DE2658124C3 (de) | 1976-12-22 | 1976-12-22 | Verfahren zur Herstellung von Elektroschmelzkorund |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1592267A true GB1592267A (en) | 1981-07-01 |
Family
ID=5996232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB53334/77A Expired GB1592267A (en) | 1976-12-22 | 1977-12-21 | Production of electrofusion corundum |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4177235A (enExample) |
| JP (1) | JPS5379797A (enExample) |
| AT (1) | AT373567B (enExample) |
| BE (1) | BE862106A (enExample) |
| CA (1) | CA1107938A (enExample) |
| DE (1) | DE2658124C3 (enExample) |
| ES (1) | ES465278A1 (enExample) |
| FR (1) | FR2375153A1 (enExample) |
| GB (1) | GB1592267A (enExample) |
| IT (1) | IT1113264B (enExample) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2029817A (en) * | 1978-09-06 | 1980-03-26 | Thorn Electrical Ind Ltd | Sealing of ceramic and cermet partds |
| WO1984001374A1 (en) * | 1982-09-30 | 1984-04-12 | Ford Motor Co | METHOD OF IMPROVING QUALITY OF HOT PRESSED Si3N4 BODIES |
| US4623498A (en) * | 1982-09-30 | 1986-11-18 | Ceradyne Advanced Products, Inc. | Method of improving quality of hot pressed Si3 N4 bodies |
| JPS61179009A (ja) * | 1985-01-31 | 1986-08-11 | 日本特殊陶業株式会社 | 高周波誘電体磁器 |
| JPS61183163A (ja) * | 1985-02-08 | 1986-08-15 | 日本特殊陶業株式会社 | アルミナ磁器組成物 |
| JPH01282195A (ja) * | 1988-05-09 | 1989-11-14 | Nippon Kenmazai Kogyo Kk | アルミナ質単結晶粒とその製造方法及び研磨具 |
| US5273619A (en) * | 1988-05-09 | 1993-12-28 | Japan Abrasive Co., Ltd. (Nihon Kenmazai Kogyo Kabushiki Kaisha) | Method for producing mono-crystalline alumina grains |
| DE3842403C1 (enExample) * | 1988-12-16 | 1990-01-18 | Radex-Heraklith Industriebeteiligungs Ag, Wien, At | |
| JPH0424687U (enExample) * | 1990-06-22 | 1992-02-27 | ||
| JPH09100179A (ja) * | 1995-07-26 | 1997-04-15 | Sumitomo Electric Ind Ltd | 窒化ケイ素質多孔体およびその製造方法 |
| ES2140237T3 (es) * | 1996-07-09 | 2000-02-16 | Europ Economic Community | Bolo rumial para la identificacion electronica de un rumiante. |
| DE102005045180B4 (de) * | 2005-09-21 | 2007-11-15 | Center For Abrasives And Refractories Research & Development C.A.R.R.D. Gmbh | Kugelförmige Korundkörner auf Basis von geschmolzenem Aluminiumoxid sowie ein Verfahren zu ihrer Herstellung |
| JP4997953B2 (ja) * | 2006-12-15 | 2012-08-15 | 日本軽金属株式会社 | 高純度α−アルミナの製造方法 |
| DE102011087147B4 (de) * | 2011-11-25 | 2015-02-26 | C.A.R.R.D. Gmbh | Titanoxidhaltige Aluminiumoxidpartikel auf Basis von im elektrischen Lichtbogenofen aus kalzinierter Tonerde geschmolzenem Korund sowie ein Verfahren zu deren Herstellung und ihre Verwendung |
| KR102184303B1 (ko) * | 2016-06-28 | 2020-11-30 | 쇼와 덴코 가부시키가이샤 | 전기용융 알루미나 입자, 전기용융 알루미나 입자의 제조방법, 숫돌 및 연마포지 |
| CN115259193A (zh) * | 2022-06-27 | 2022-11-01 | 荥阳龙升磨料有限公司 | 一种白刚玉生产工艺及生产设备 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR491025A (fr) * | 1917-12-26 | 1919-05-19 | Norton Co | Produit abrasif alumineux |
| FR677515A (fr) * | 1929-06-27 | 1930-03-11 | Fed Phosphorus Co | Procédé de préparation d'abrasifs à base d'oxyde alumineux cristallin |
| US1966407A (en) * | 1932-03-17 | 1934-07-10 | Exolon Company | Corundum product and process of producing the same |
| FR788862A (fr) * | 1934-04-17 | 1935-10-18 | Carborundum Co | Produit réfractaire et son procédé de fabrication |
| US3106452A (en) * | 1960-05-18 | 1963-10-08 | Reynolds Metals Co | Method for reducing the soda content of alumina |
| GB1111681A (en) * | 1964-08-04 | 1968-05-01 | British Aluminium Co Ltd | Improvements in or relating to the calcination of alumina |
| US3479237A (en) * | 1966-04-08 | 1969-11-18 | Bell Telephone Labor Inc | Etch masks on semiconductor surfaces |
| US3841904A (en) * | 1972-12-11 | 1974-10-15 | Rca Corp | Method of making a metal silicide-silicon schottky barrier |
| US3839111A (en) * | 1973-08-20 | 1974-10-01 | Rca Corp | Method of etching silicon oxide to produce a tapered edge thereon |
| JPS52140513A (en) * | 1976-05-19 | 1977-11-24 | Nippon Kenmazai Kougiyou Kk | Fused alumina for indefinite form refractory aggregate |
| JPS52145415A (en) * | 1976-05-28 | 1977-12-03 | Showa Denko Kk | Manufacture of electric fused alumina materials |
-
1976
- 1976-12-22 DE DE2658124A patent/DE2658124C3/de not_active Expired
-
1977
- 1977-12-14 US US05/860,525 patent/US4177235A/en not_active Expired - Lifetime
- 1977-12-20 FR FR7738506A patent/FR2375153A1/fr active Granted
- 1977-12-20 IT IT52292/77A patent/IT1113264B/it active
- 1977-12-20 AT AT0912877A patent/AT373567B/de not_active IP Right Cessation
- 1977-12-21 GB GB53334/77A patent/GB1592267A/en not_active Expired
- 1977-12-21 BE BE183668A patent/BE862106A/xx unknown
- 1977-12-21 ES ES465278A patent/ES465278A1/es not_active Expired
- 1977-12-21 CA CA293,609A patent/CA1107938A/en not_active Expired
- 1977-12-22 JP JP15505677A patent/JPS5379797A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2375153A1 (fr) | 1978-07-21 |
| IT1113264B (it) | 1986-01-20 |
| DE2658124C3 (de) | 1982-05-06 |
| CA1107938A (en) | 1981-09-01 |
| DE2658124B2 (de) | 1981-07-30 |
| AT373567B (de) | 1984-02-10 |
| BE862106A (fr) | 1978-04-14 |
| ATA912877A (de) | 1983-06-15 |
| FR2375153B1 (enExample) | 1983-04-29 |
| ES465278A1 (es) | 1978-09-16 |
| JPS5379797A (en) | 1978-07-14 |
| DE2658124A1 (de) | 1978-07-06 |
| JPS632889B2 (enExample) | 1988-01-21 |
| US4177235A (en) | 1979-12-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19941221 |