Production of Anorthite From Kaolinite and Caco3 Via Colemanite

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2004

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Trans Tech Publications Ltd

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Department of Electrical & Electronics Engineering
Department of Electrical and Electronics Engineering (EE) offers solid graduate education and research program. Our Department is known for its student-centered and practice-oriented education. We are devoted to provide an exceptional educational experience to our students and prepare them for the highest personal and professional accomplishments. The advanced teaching and research laboratories are designed to educate the future workforce and meet the challenges of current technologies. The faculty's research activities are high voltage, electrical machinery, power systems, signal and image processing and photonics. Our students have exciting opportunities to participate in our department's research projects as well as in various activities sponsored by TUBİTAK, and other professional societies. European Remote Radio Laboratory project, which provides internet-access to our laboratories, has been accomplished under the leadership of our department with contributions from several European institutions.

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Boron oxide has been found to be useful flux for the preparation of dense anorthite ceramics (CaO.Al2O3.2SiO2). Inexpensive starting materials of kaolinite, calcium carbonate and silica were used for anorthite ceramic production. Colemanite (2CaO.3B2O 3.5H2O) was added into the mixtures and the effects of colemanite upon the transformation towards anorthite and on the densification were investigated between 900-1400°C. Single phase anorthite ceramic formed at lower temperatures in boron containing mixtures. Boron containing powder compacts were sintered above 90% theoretical density at 1350°C.

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European Ceramic Society; Turkish Ceramic Society

Keywords

Anorthite, Calcite, Colemanite, Kaolinite

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Q4

Source

Key Engineering Materials -- Proceedings of the 8th Conference and Exhibition of the European Ceramic Society -- 29 June 2003 through 3 July 2003 -- Istanbul -- 63890

Volume

264-268

Issue

II

Start Page

1475

End Page

1478

URI

https://hdl.handle.net/20.500.14411/9182

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Scopus