ES2146506A1 - Process for obtaining crystalline alumina fibres - Google Patents

Process for obtaining crystalline alumina fibres

Info

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
Application number
ES009700324A
Other languages
Spanish (es)
Other versions
ES2146506B1 (en
Inventor
Rivera Francisco Guitian
Juarez Victor Valcarcel
Serantes Alejandro Souto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Universidade de Santiago de Compostela
Original Assignee
Universidade de Santiago de Compostela
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 Universidade de Santiago de Compostela filed Critical Universidade de Santiago de Compostela
Priority to ES9700324A priority Critical patent/ES2146506B1/en
Publication of ES2146506A1 publication Critical patent/ES2146506A1/en
Application granted granted Critical
Publication of ES2146506B1 publication Critical patent/ES2146506B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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.
ES9700324A 1997-02-17 1997-02-17 PROCEDURE FOR OBTAINING CRYSTAL ALUMINUM FIBERS. Expired - Fee Related ES2146506B1 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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