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Effect of (Tb plus Y)/Al ratio on Microstructure Evolution and Densification Process of (Tb0.6Y0.4)(3)Al5O12 Transparent Ceramics
Wan, Zhong; Wang, Yinzhen; Zhang, Jian; Wang, Shiwei; Han, Dan; Wang, Junping; Wang, Dewen
2019-01-02
Source PublicationMATERIALS
ISSN1996-1944
Volume12Issue:2
SubtypeArticle
Abstract(Tb0.6Y0.4)(3)Al5O12 transparent ceramics were successfully fabricated by solid-state reactive sintering using Tb4O7, Y2O3, and -Al2O3 powders as raw materials. The effect of (Tb+Y)/Al ratio on microstructure evolution and densification process was investigated in detailed. The results showed that the grain growth kinetics were significantly affected by (Tb+Y)/Al ratio. Al-rich and Tb-rich phases appeared in part of the samples of different ratios. Particularly, excess aluminum increased the diffusing process, leading to a higher densification rate, while samples with excess terbium ratios displayed a smaller grain size and lower relative density. The optical quality was highly related to the amount of the secondary phase produced by different (Tb+Y)/Al ratios. Finally, (Tb0.6Y0.4)(3)Al5O12 transparent ceramics have been fabricated through pre-sintering in vacuum, followed by hot isostatic sintering (HIP), and the best transmittance of sample with a 4 mm thickness was approximately 78% at 1064 nm.
Keyword(Tb0.6Y0.4)(3)Al5O12 densification process grain growth HIP treatment
DOI10.3390/ma12020300
Language英语
WOS Research AreaMaterials Science
PublisherMDPI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27408
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Wan, Zhong,Wang, Yinzhen,Zhang, Jian,et al. Effect of (Tb plus Y)/Al ratio on Microstructure Evolution and Densification Process of (Tb0.6Y0.4)(3)Al5O12 Transparent Ceramics[J]. MATERIALS,2019,12(2).
APA Wan, Zhong.,Wang, Yinzhen.,Zhang, Jian.,Wang, Shiwei.,Han, Dan.,...&Wang, Dewen.(2019).Effect of (Tb plus Y)/Al ratio on Microstructure Evolution and Densification Process of (Tb0.6Y0.4)(3)Al5O12 Transparent Ceramics.MATERIALS,12(2).
MLA Wan, Zhong,et al."Effect of (Tb plus Y)/Al ratio on Microstructure Evolution and Densification Process of (Tb0.6Y0.4)(3)Al5O12 Transparent Ceramics".MATERIALS 12.2(2019).
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