Influence of ferric oxide on the crystallization of Li-Zn ferrite anorthite and hematite phases at low temperature ceramic glaze
© 2015 Elsevier Ltd. The crystallization mechanism and properties of lithium zinc ferrite (LiZnFe2O4) anorthite (CaAl2Si2O8) and hematite (α-Fe2O3) of ceramic glaze containing Li2O and ZnO system were studied as a function of Fe2O3 contents. The glaze was fired at 1100°C and the addition of 5-25wt.%...
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th-cmuir.6653943832-388862015-06-16T07:54:30Z Influence of ferric oxide on the crystallization of Li-Zn ferrite anorthite and hematite phases at low temperature ceramic glaze Silakate S. Wannagon A. Nuntiya A. Materials Chemistry Ceramics and Composites © 2015 Elsevier Ltd. The crystallization mechanism and properties of lithium zinc ferrite (LiZnFe2O4) anorthite (CaAl2Si2O8) and hematite (α-Fe2O3) of ceramic glaze containing Li2O and ZnO system were studied as a function of Fe2O3 contents. The glaze was fired at 1100°C and the addition of 5-25wt.% Fe2O3 contents developed brown color crystals. A non-isothermal analysis was performed to study the crystallization behavior of LiZnFe2O4 anorthite and hematite using DTA with various heating rates for calculating activation energy and Avrami constant from Kissinger and Augis-Bennett equation. XRD, SEM/EDS and Raman spectroscopy were used to determine the crystalline phases. The occurrence of LiZnFe2O4 anorthite and hematite depended on the Fe2O3 content in the glaze. In the case of 15wt.% Fe2O3 demonstrated the main crystalline phase of LiZnFe2O4. Furthermore, anorthite and hematite were also found in 25wt.% Fe2O3 content. The values of Avrami constant were 0.9 and 0.5, and the surface crystallization tendency is dominant for these crystalline phases. 2015-06-16T07:54:30Z 2015-06-16T07:54:30Z 2014-09-02 Article in Press 09552219 2-s2.0-84922875671 10.1016/j.jeurceramsoc.2015.01.029 http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84922875671&origin=inward http://cmuir.cmu.ac.th/handle/6653943832/38886 Elsevier BV |
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Materials Chemistry Ceramics and Composites Silakate S. Wannagon A. Nuntiya A. Influence of ferric oxide on the crystallization of Li-Zn ferrite anorthite and hematite phases at low temperature ceramic glaze |
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© 2015 Elsevier Ltd. The crystallization mechanism and properties of lithium zinc ferrite (LiZnFe2O4) anorthite (CaAl2Si2O8) and hematite (α-Fe2O3) of ceramic glaze containing Li2O and ZnO system were studied as a function of Fe2O3 contents. The glaze was fired at 1100°C and the addition of 5-25wt.% Fe2O3 contents developed brown color crystals. A non-isothermal analysis was performed to study the crystallization behavior of LiZnFe2O4 anorthite and hematite using DTA with various heating rates for calculating activation energy and Avrami constant from Kissinger and Augis-Bennett equation. XRD, SEM/EDS and Raman spectroscopy were used to determine the crystalline phases. The occurrence of LiZnFe2O4 anorthite and hematite depended on the Fe2O3 content in the glaze. In the case of 15wt.% Fe2O3 demonstrated the main crystalline phase of LiZnFe2O4. Furthermore, anorthite and hematite were also found in 25wt.% Fe2O3 content. The values of Avrami constant were 0.9 and 0.5, and the surface crystallization tendency is dominant for these crystalline phases. |
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Article |
author |
Silakate S. Wannagon A. Nuntiya A. |
author_facet |
Silakate S. Wannagon A. Nuntiya A. |
author_sort |
Silakate S. |
title |
Influence of ferric oxide on the crystallization of Li-Zn ferrite anorthite and hematite phases at low temperature ceramic glaze |
title_short |
Influence of ferric oxide on the crystallization of Li-Zn ferrite anorthite and hematite phases at low temperature ceramic glaze |
title_full |
Influence of ferric oxide on the crystallization of Li-Zn ferrite anorthite and hematite phases at low temperature ceramic glaze |
title_fullStr |
Influence of ferric oxide on the crystallization of Li-Zn ferrite anorthite and hematite phases at low temperature ceramic glaze |
title_full_unstemmed |
Influence of ferric oxide on the crystallization of Li-Zn ferrite anorthite and hematite phases at low temperature ceramic glaze |
title_sort |
influence of ferric oxide on the crystallization of li-zn ferrite anorthite and hematite phases at low temperature ceramic glaze |
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Elsevier BV |
publishDate |
2015 |
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http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84922875671&origin=inward http://cmuir.cmu.ac.th/handle/6653943832/38886 |
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