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Concurrent sinter-crystallization and microwave dielectric characterization of CaO-MgO-TiO2-SiO2 glass-ceramics
Zitani, MK; Banijamali, S; Russel, C; Abkenar, SK; Mokhtari, P; Ren, HH; Ebadzadeh, T
2020-04-02
Source PublicationJOURNAL OF ASIAN CERAMIC SOCIETIES
ISSN2187-0764
Issue2Pages:234
SubtypeArticle
AbstractThe present work aims to clarify sinter-crystallization behavior and microwave dielectric features of CaO-MgO-TiO2-SiO2 glass-ceramics fabricated via one-step sintering procedure at 800-950 degrees C for 4 h. In this regard, starting glasses were obtained from a conventional melt quenching technique, then subjected to the sinter-crystallization heat treatment. The crystallization behavior of sintered glass-ceramics was studied using X-ray diffraction (XRD) and electron backscatter diffraction (EBSD). On the basis of the obtained results, diopside (CaMgSi2O6) precipitated as the main crystalline phase in all sintered glass-ceramics; however titanite (CaTiSiO5) was found as the secondary crystalline phase in glass-ceramics containing high TiO2 content. The degrees of crystallization of the glass-ceramics prepared procedures were also characterized. Optimized glass-ceramics sintered at 800 degrees C for 4 h showed the maximum relative density of 99%. Further increase of sintering temperature led to gradual decrease of density. The most promising microwave dielectric properties of the sintered glass-ceramics were as epsilon(r) = 6.8-9.4 and Q x f = 3,735-41,359 GHz.
DOI10.1080/21870764.2020.1725258
WOS KeywordSINTERABILITY ; TIO2
Language英语
WOS Research AreaMaterials Science
PublisherTAYLOR & FRANCIS LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/28313
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Zitani, MK,Banijamali, S,Russel, C,et al. Concurrent sinter-crystallization and microwave dielectric characterization of CaO-MgO-TiO2-SiO2 glass-ceramics[J]. JOURNAL OF ASIAN CERAMIC SOCIETIES,2020(2):234.
APA Zitani, MK.,Banijamali, S.,Russel, C.,Abkenar, SK.,Mokhtari, P.,...&Ebadzadeh, T.(2020).Concurrent sinter-crystallization and microwave dielectric characterization of CaO-MgO-TiO2-SiO2 glass-ceramics.JOURNAL OF ASIAN CERAMIC SOCIETIES(2),234.
MLA Zitani, MK,et al."Concurrent sinter-crystallization and microwave dielectric characterization of CaO-MgO-TiO2-SiO2 glass-ceramics".JOURNAL OF ASIAN CERAMIC SOCIETIES .2(2020):234.
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