ES2146506A1 - Process for obtaining crystalline alumina fibres - Google Patents
Process for obtaining crystalline alumina fibresInfo
- Publication number
- ES2146506A1 ES2146506A1 ES009700324A ES9700324A ES2146506A1 ES 2146506 A1 ES2146506 A1 ES 2146506A1 ES 009700324 A ES009700324 A ES 009700324A ES 9700324 A ES9700324 A ES 9700324A ES 2146506 A1 ES2146506 A1 ES 2146506A1
- Authority
- ES
- Spain
- Prior art keywords
- crystalline alumina
- obtaining crystalline
- alumina fibres
- fibres
- obtaining
- 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.)
- Granted
Links
Abstract
Process for obtaining crystalline alumina fibres (composition [alpha]-Al2O3, corundum) via a reaction between aluminium metal and silica sand in atmospheres with low O2 partial pressure and at temperatures between 1300degreeC and 1500degreeC, using Fe2O3 and silicon metal as catalysts.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9700324A ES2146506B1 (en) | 1997-02-17 | 1997-02-17 | PROCEDURE FOR OBTAINING CRYSTAL ALUMINUM FIBERS. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES9700324A ES2146506B1 (en) | 1997-02-17 | 1997-02-17 | PROCEDURE FOR OBTAINING CRYSTAL ALUMINUM FIBERS. |
Publications (2)
Publication Number | Publication Date |
---|---|
ES2146506A1 true ES2146506A1 (en) | 2000-08-01 |
ES2146506B1 ES2146506B1 (en) | 2001-03-16 |
Family
ID=8298280
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES9700324A Expired - Fee Related ES2146506B1 (en) | 1997-02-17 | 1997-02-17 | PROCEDURE FOR OBTAINING CRYSTAL ALUMINUM FIBERS. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES2146506B1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2182684A1 (en) * | 2001-03-26 | 2003-03-01 | Univ Santiago Compostela | Production of corundum from aluminum and quartz consists of controlled heating of an argon protected mixture, with protection against interference by deoxidized metals |
ES2204291A1 (en) * | 2002-06-26 | 2004-04-16 | Universidad De Santiago De Compostela | Procedure for obtaining monocrystalline fibers of alpha-alumina doped with transition metals, such as fibers or ruby, sapphire and others with semi-precious characteristics |
EP2599749A1 (en) | 2011-11-30 | 2013-06-05 | Neoker, S.L | Method for the purification of alpha-alumina fibers |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3421851A (en) * | 1964-06-10 | 1969-01-14 | Gen Technologies Corp | Method of growing alpha-alumina single crystal ribbons |
US3514256A (en) * | 1957-11-15 | 1970-05-26 | Du Pont | Fibrous corundum and its preparation |
US4151267A (en) * | 1975-02-03 | 1979-04-24 | Ferenc Puskas | Process for producing alumina |
-
1997
- 1997-02-17 ES ES9700324A patent/ES2146506B1/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3514256A (en) * | 1957-11-15 | 1970-05-26 | Du Pont | Fibrous corundum and its preparation |
US3421851A (en) * | 1964-06-10 | 1969-01-14 | Gen Technologies Corp | Method of growing alpha-alumina single crystal ribbons |
US4151267A (en) * | 1975-02-03 | 1979-04-24 | Ferenc Puskas | Process for producing alumina |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2182684A1 (en) * | 2001-03-26 | 2003-03-01 | Univ Santiago Compostela | Production of corundum from aluminum and quartz consists of controlled heating of an argon protected mixture, with protection against interference by deoxidized metals |
ES2204291A1 (en) * | 2002-06-26 | 2004-04-16 | Universidad De Santiago De Compostela | Procedure for obtaining monocrystalline fibers of alpha-alumina doped with transition metals, such as fibers or ruby, sapphire and others with semi-precious characteristics |
EP2599749A1 (en) | 2011-11-30 | 2013-06-05 | Neoker, S.L | Method for the purification of alpha-alumina fibers |
WO2013079620A1 (en) | 2011-11-30 | 2013-06-06 | Neoker, S.L. | Method for the purification of alpha-alumina fibers |
Also Published As
Publication number | Publication date |
---|---|
ES2146506B1 (en) | 2001-03-16 |
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Legal Events
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EC2A | Search report published |
Date of ref document: 20000801 Kind code of ref document: A1 Effective date: 20000801 |
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