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Preparation and characterization of SO3-doped barium borosilicate glass-ceramics containing zirconolite and barite phases
Wang, Xin1; Wu, Lang1; Li, Huidong2; Xiao, Jizong1; Cai, Xin1; Teng, Yuancheng1
2017
Source PublicationCeramics International
ISSN02728842
Volume43Issue:1Pages:534-539
AbstractIn order to improve the solubility of actinides and sulfate in the glass matrix, barium borosilicate glass-ceramics containing zirconolite and barite crystalline phases were developed. The effects of SO3addition (0–8 wt%) on crystalline phases, microstructure, and chemical durability of glass-ceramics belonging to SiO2-B2O3-Na2O-BaO-CaO-TiO2-ZrO2-Nd2O3-SO3system were mainly studied. The results show that glass transformation temperature decreases slightly with increasing SO3content. The main crystalline phase is zirconolite for all of the samples. When the addition SO3content is higher or equal to 4 wt%, rice-shaped barite crystals appear in the bulk of glass-ceramics. Barite phase was formed during the melting stage. X-ray fluorescence analysis indicates that about 1.3 wt% of SO3can be incorporated in the glass-ceramics when the addition content of SO3is 6 wt%. S element mainly distributes in the barite crystals. The decomposition of sulfate mainly occurs during the melting process. Moreover, the addition of a certain content (≤6 wt%) of sulfate has no significant influence on the chemical durability of barium borosilicate glass-ceramics. © 2016 Elsevier Ltd and Techna Group S.r.l.
DOI10.1016/j.ceramint.2016.09.190
EI Accession Number20164402965219
EI KeywordsBorosilicate glass
EI Classification Number482.2 Minerals - 547 Minor, Precious and Rare Earth Metals and Alloys - 741.1 Light/Optics - 802.3 Chemical Operations - 804.2 Inorganic Compounds - 812.3 Glass - 933.1 Crystalline Solids
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Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/25514
Collection中国科学院上海硅酸盐研究所
Affiliation1.State Key Laboratory Cultivation Base for Nonmetal Composites and Functional Materials, Southwest University of Science and Technology, Mianyang; 621010, China;
2.Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 200050, China
Recommended Citation
GB/T 7714
Wang, Xin,Wu, Lang,Li, Huidong,et al. Preparation and characterization of SO3-doped barium borosilicate glass-ceramics containing zirconolite and barite phases[J]. Ceramics International,2017,43(1):534-539.
APA Wang, Xin,Wu, Lang,Li, Huidong,Xiao, Jizong,Cai, Xin,&Teng, Yuancheng.(2017).Preparation and characterization of SO3-doped barium borosilicate glass-ceramics containing zirconolite and barite phases.Ceramics International,43(1),534-539.
MLA Wang, Xin,et al."Preparation and characterization of SO3-doped barium borosilicate glass-ceramics containing zirconolite and barite phases".Ceramics International 43.1(2017):534-539.
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