Aqueous gelcasting of the transparent MgAl2O4 spinel ceramics
作者： Peipei Zhang , Peng Liu , Yi Sun , Jun Wang , Zhengjuan Wang
DOI: 10.1016/J.JALLCOM.2015.05.275
关键词: Transparent ceramics 、 Aqueous solution 、 Porosity 、 Microstructure 、 Spinel 、 Grain size 、 Chemical engineering 、 Slurry 、 Mineralogy 、 Ceramic 、 Materials science
摘要: Abstract Transparent magnesium aluminate (MgAl 2 O 4 ) spinel ceramics have been fabricated by an aqueous gelcasting forming technique starting from single phase MgAl nano-powders. The stable slurries with 54 vol % solids loading were prepared in a novel aqueous-organic solution only one additive. Furthermore, the rheological properties and gelling behaviors of evaluated. Then, porosity green bodies microstructures sintered CIP method investigated. Finally, highly transparent in-line transmittance 85.3% at wavelength 1100 nm successfully obtained methods. average grain size ceramic was 22 μm.
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