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Effect of polymorphism of Al2O3on the sintering and microstructure of transparent MgAl2O4ceramics
Han, Dan1,2; Zhang, Jian1; Liu, Peng3; Wang, Shiwei1
2017
Source PublicationOptical Materials
ISSN09253467
Volume71Pages:62-65
AbstractTransparent MgAl2O4ceramics were fabricated by reactive sintering in air followed by hot isostatic press treatment using commercial Al2O3powder (γ-Al2O3or α-Al2O3) and MgO powder as raw materials. The densification rate, microstructure and optical properties of the ceramics were investigated. Densification temperature of the sample from γ-Al2O3/MgO was lower than that from α-Al2O3/MgO. However, in-line transmission (2 mm thick) of the sample from α-Al2O3/MgO at the wavelength of 600 nm and 1100 nm were respectively 77.7% and 84.3%, higher than those (66.7%, 81.4%) of the sample from γ-Al2O3/MgO. SEM observation revealed that the sample from α-Al2O3/MgO exhibited a homogeneous and pore-free microstructure, while, the sample from γ-Al2O3/MgO showed an apparent bimodal microstructure containing pores. © 2016 Elsevier B.V.
DOI10.1016/j.optmat.2016.06.016
EI Accession Number20170203230581
EI KeywordsAluminum oxide
EI Classification Number741.1 Light/Optics - 804.2 Inorganic Compounds - 812.1 Ceramics - 951 Materials Science
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Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/25475
Collection中国科学院上海硅酸盐研究所
Affiliation1.The State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 200050, China;
2.Graduate University of the Chinese Academy of Sciences, Beijing; 100049, China;
3.School of Physics and Electronics Engineering, Jiangsu Normal University, Xuzhou; 221116, China
Recommended Citation
GB/T 7714
Han, Dan,Zhang, Jian,Liu, Peng,et al. Effect of polymorphism of Al2O3on the sintering and microstructure of transparent MgAl2O4ceramics[J]. Optical Materials,2017,71:62-65.
APA Han, Dan,Zhang, Jian,Liu, Peng,&Wang, Shiwei.(2017).Effect of polymorphism of Al2O3on the sintering and microstructure of transparent MgAl2O4ceramics.Optical Materials,71,62-65.
MLA Han, Dan,et al."Effect of polymorphism of Al2O3on the sintering and microstructure of transparent MgAl2O4ceramics".Optical Materials 71(2017):62-65.
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