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Combined sodium and fluorine promote diopside continuous growth to achieve one-step crystallization in CaO-Al2O-SiO2-Fe2O3 glass-ceramics
Zou, Chuanming1; Cao, Jianwei1,3; Zhao, Mingzhi2; Wang, Zhi1; Lu, Jinshan4
2019-12-01
Source PublicationJOURNAL OF THE EUROPEAN CERAMIC SOCIETY
ISSN0955-2219
Volume39Issue:15Pages:4979-4987
AbstractIn CaO-Al2O-SiO2-Fe2O3 (CASF) glass-ceramics, a dense silicon and aluminum tetrahedral network barrier layer is formed around the diopside nucleus, which hinders the continuous growth of the crystal. In this work, the continuous growth of the diopside crystals was achieved by introducing sodium and fluorine. A combination of FTIR, XRD, SEM and EDS were used to analyze the evolution mechanism of the precursor glass network structure and the growth process of the diopside. The modification mechanism of sodium and fluorine action on the glassy structure was revealed by Si-29 NMR. The results showed that sodium and fluorine can selectively destroy the [SiO4]/[AlO4] network structure. The Ca2+ diffusion channels formed around diopside, which facilitated the continuous growth of the crystals. The diopside crystals can grow to an expected size, approximately 1 mu m, when the value of NBO/T reaches 1.44.
KeywordGlass-ceramics Precursor glass structure Selective destruction Diffusion channel Continuous growth
DOI10.1016/j.jeurceramsoc.2019.07.033
Language英语
WOS KeywordALUMINOSILICATE GLASSES ; SILICATE-GLASSES ; STRUCTURAL ROLE ; NMR ; MICROSTRUCTURE ; ALUMINUM ; SI-29 ; NUCLEATION ; ZRTIO4 ; RAMAN
Funding ProjectNational Key R&D Program of China[2018YFC1901806]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Ceramics
Funding OrganizationNational Key R&D Program of China
WOS IDWOS:000487569500060
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/31113
Collection中国科学院过程工程研究所
Corresponding AuthorCao, Jianwei; Wang, Zhi
Affiliation1.Chinese Acad Sci, Inst Proc Engn, CAS Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
2.China Univ Min & Technol, Dept Mat Sci & Engn, Beijing 100083, Peoples R China
3.Zhongke Langfang Inst Proc Engn, Langfang Econ & Tech Dev Zone, Fenghua Rd 1, Langfang, Hebei, Peoples R China
4.Nanchang Hongkong Univ, Sch Mat Sci & Engn, Nanchang 330063, Jiangxi, Peoples R China
Recommended Citation
GB/T 7714
Zou, Chuanming,Cao, Jianwei,Zhao, Mingzhi,et al. Combined sodium and fluorine promote diopside continuous growth to achieve one-step crystallization in CaO-Al2O-SiO2-Fe2O3 glass-ceramics[J]. JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,2019,39(15):4979-4987.
APA Zou, Chuanming,Cao, Jianwei,Zhao, Mingzhi,Wang, Zhi,&Lu, Jinshan.(2019).Combined sodium and fluorine promote diopside continuous growth to achieve one-step crystallization in CaO-Al2O-SiO2-Fe2O3 glass-ceramics.JOURNAL OF THE EUROPEAN CERAMIC SOCIETY,39(15),4979-4987.
MLA Zou, Chuanming,et al."Combined sodium and fluorine promote diopside continuous growth to achieve one-step crystallization in CaO-Al2O-SiO2-Fe2O3 glass-ceramics".JOURNAL OF THE EUROPEAN CERAMIC SOCIETY 39.15(2019):4979-4987.
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