Diopside - The prospective compound of ceramics

K. S. Kostikov, V. M. Pogrebenkov, V. I. Vereshchagin

The Kizhner Research Center

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Diopside (CaMg[Si₂O₆]) is a natural crystalline mineral of the calcium-magnesium-silicate class. It excel by a very high purity from color impurities (Fe₂O₃+TiO₂ not more then 0,06 % mass). Calcium and magnesium oxides are well known as additives improving processes of sintering due to its influence on linkage strength of glass-phase, forming of crystal phase and other. Besides the diopside is being a natural compound cheaper then additives of chemical nature and traditional compounds. Aforesaid allowed to try this mineral as a compound of ceramic composition. For an investigation diopside was entered in porcelain composition in amounts from 0 up to 100 % mass beyond of 100 %. The testing has shown diopside in amount 0.5-5 % appear for mineralizing additive promoting sintering, reducing temperature, increasing strength of an article and its whiteness. At presence of diopside lowers the mullite sintering temperature on about 50°. At entering 5-10% of diopside in ceramic crystalline structure appears new phase - anorthite (CaO·Al₂O₃·2SiO₂). Its presence conditioned by big amount of calcium introduced with diopside. At amounts 10-20% of diopside anorthite becomes the main crystalline phase of ceramic. 20-50% - 2 crystalline phases (diopside and anorthite) have already existed in ceramic. More then 90 % only diopside presence in ceramic. Thus the using of diopside in ceramic compositions allows to improve many properties of ready articles, to decrease the producing costs and also to above grade of quality of production.

Original language	English
Title of host publication	5th Korea-Russia International Symposium on Science and Technology - Proceedings: KORUS 2001
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	187-189
Number of pages	3
Volume	2
ISBN (Print)	0780370082, 9780780370081
DOIs	https://doi.org/10.1109/KORUS.2001.975222
Publication status	Published - 2001
Event	5th Korea-Russia International Symposium on Science and Technology, KORUS 2001 - Tomsk, Russian Federation Duration: 26 Jun 2001 → 3 Jul 2001

Other

Other	5th Korea-Russia International Symposium on Science and Technology, KORUS 2001
Country	Russian Federation
City	Tomsk
Period	26.6.01 → 3.7.01

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Keywords

Ceramics
Diopside
Mineralizer
Sintering

ASJC Scopus subject areas

Clinical Biochemistry
Computer Networks and Communications
Biotechnology
Civil and Structural Engineering
Mechanics of Materials
Electronic, Optical and Magnetic Materials
Materials Chemistry
Surfaces, Coatings and Films

Cite this

Kostikov, K. S., Pogrebenkov, V. M., & Vereshchagin, V. I. (2001). Diopside - The prospective compound of ceramics. In 5th Korea-Russia International Symposium on Science and Technology - Proceedings: KORUS 2001 (Vol. 2, pp. 187-189). [975222] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/KORUS.2001.975222

Diopside - The prospective compound of ceramics. / Kostikov, K. S.; Pogrebenkov, V. M.; Vereshchagin, V. I.

5th Korea-Russia International Symposium on Science and Technology - Proceedings: KORUS 2001. Vol. 2 Institute of Electrical and Electronics Engineers Inc., 2001. p. 187-189 975222.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Kostikov, KS, Pogrebenkov, VM & Vereshchagin, VI 2001, Diopside - The prospective compound of ceramics. in 5th Korea-Russia International Symposium on Science and Technology - Proceedings: KORUS 2001. vol. 2, 975222, Institute of Electrical and Electronics Engineers Inc., pp. 187-189, 5th Korea-Russia International Symposium on Science and Technology, KORUS 2001, Tomsk, Russian Federation, 26.6.01. https://doi.org/10.1109/KORUS.2001.975222

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AB - Diopside (CaMg[Si2O6]) is a natural crystalline mineral of the calcium-magnesium-silicate class. It excel by a very high purity from color impurities (Fe2O3+TiO2 not more then 0,06 % mass). Calcium and magnesium oxides are well known as additives improving processes of sintering due to its influence on linkage strength of glass-phase, forming of crystal phase and other. Besides the diopside is being a natural compound cheaper then additives of chemical nature and traditional compounds. Aforesaid allowed to try this mineral as a compound of ceramic composition. For an investigation diopside was entered in porcelain composition in amounts from 0 up to 100 % mass beyond of 100 %. The testing has shown diopside in amount 0.5-5 % appear for mineralizing additive promoting sintering, reducing temperature, increasing strength of an article and its whiteness. At presence of diopside lowers the mullite sintering temperature on about 50°. At entering 5-10% of diopside in ceramic crystalline structure appears new phase - anorthite (CaO·Al2O3·2SiO2). Its presence conditioned by big amount of calcium introduced with diopside. At amounts 10-20% of diopside anorthite becomes the main crystalline phase of ceramic. 20-50% - 2 crystalline phases (diopside and anorthite) have already existed in ceramic. More then 90 % only diopside presence in ceramic. Thus the using of diopside in ceramic compositions allows to improve many properties of ready articles, to decrease the producing costs and also to above grade of quality of production.

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Access to Document

10.1109/KORUS.2001.975222