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The preparation of the lithium disilicate glass-ceramic with high translucency
Bai, Yang1,2; Peng, Lian1; Zhu, Qingshan1,2
2017-02-01
Source PublicationJOURNAL OF NON-CRYSTALLINE SOLIDS
ISSN0022-3093
Volume457Pages:129-134
Abstract

To develop a lithium disilicate glass-ceramic with high translucency, the effects of the single-stage and two-stage heat treatments on the crystalline phases and microstructure of the Li2O-SiO2-Al2O3-K2O-P2O5 glass system were investigated. It was found that the nucleation of the two-stage treatment was more effective than that of the single-stage treatment, resulting in the smaller lithium disilicate crystals (referred as the LD hereafter). Besides, the size of the LD crystals increases with increasing the second heat treatment temperatures, so the second heat treatment temperature should be as lower as possible than the LD crystallization peak temperature on the premise that the LD is the main crystalline phase. Finally, the lithium disilicate glass-ceramic with the crystalline size of about 100 nm was developed, and the real in-line transmission (RIT) value was measured to reach 27.3% at the wavelength of 550 nm (d = 2.0 mm), which is much greater than that of the commercial lithium disilicate glass-ceramics. (C) 2016 Elsevier B.V. All rights reserved.

KeywordLithium Disilicate Translucency Two-stage Heat Treatment Glass-ceramics
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.jnoncrysol.2016.11.032
Indexed BySCI
Language英语
WOS KeywordFlexural Strength ; Mechanical-properties ; Heat-treatment ; Microstructure ; Crystallization ; P2o5 ; Dentistry ; System ; K2o
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Ceramics ; Materials Science, Multidisciplinary
Funding OrganizationNational Natural Science Foundation of China(21325628)
WOS IDWOS:000393009200020
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/21920
Collection多相复杂系统国家重点实验室
Affiliation1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, POB 353, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Bai, Yang,Peng, Lian,Zhu, Qingshan. The preparation of the lithium disilicate glass-ceramic with high translucency[J]. JOURNAL OF NON-CRYSTALLINE SOLIDS,2017,457:129-134.
APA Bai, Yang,Peng, Lian,&Zhu, Qingshan.(2017).The preparation of the lithium disilicate glass-ceramic with high translucency.JOURNAL OF NON-CRYSTALLINE SOLIDS,457,129-134.
MLA Bai, Yang,et al."The preparation of the lithium disilicate glass-ceramic with high translucency".JOURNAL OF NON-CRYSTALLINE SOLIDS 457(2017):129-134.
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