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Meeting Materials Science & Technology 2015
Symposium Ceramic Optical Materials
Presentation Title Fabrication of Transparent Magnesium Aluminate Spinel Ceramics using Two Kinds of Spinel Powder with Different Particle Sizes
Author(s) Liu Peng, Zhang Jian, Wang Shiwei
On-Site Speaker (Planned) Zhang Jian
Abstract Scope In this paper, the spinel pellets were shaped by dry pressing using two kinds of powder, which have different particle sizes, respectively. After that, the transparent spinel ceramics were fabricated through pressureless sintering combined with HIPing post-treatment. The effects of particle sizes on the sintering behavior were investigated. The influences of atmosphere in sintering process on the optical quality of transparent ceramics were surveyed. The results shown that the transparent spinel ceramics can be fabricated under certain sintering process using two kinds of powder. Compared with the sintering temperature of powder of 270nm, the presintering and HIPing temperature of powder of 190nm can be lowered. However, the transmittance of the samples using different powders were equivalent in the best sintering process, respectively. Furthermore, the transmittance of the sample sintered in air was better than that of the sample sintered in vacuum and atmosphere of spinel powder at the same temperature.
Proceedings Inclusion? Planned: MS&T all conference proceedings CD

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Cladded Single Crystal Fibers
Creation of New Material Science on Optical Ceramics
Effects of Varied Heat Treatments on Precipitation of Alumina in Astoichiometric Magnesium Aluminate Spinel
Fabrication of Transparent Magnesium Aluminate Spinel Ceramics using Two Kinds of Spinel Powder with Different Particle Sizes
Fundamental Study in the Processing of Transparent Ceramics
Highly Transparent Polycrystalline YAG Ceramics for Optical Applications
Laser Oscillation of Lu-based Oxide Ceramics by Spark Plasma Sintering
Low Absorption Spinel Windows for High Energy Lasers
NMR Spectroscopy of Paramagnetic Doped Ceramics to Determine Site Occupancy and Distribution
Novel Glass and Glass Ceramic Scintillators for Gamma-ray and Neutron Detection
Polycrystalline Transparent Yttrium Aluminum Garnet for Optical Applications
Praseodymium-doped SiAlON Red Phosphors Prepared by Polymer-derived Method
Processes and Characterizations of Ceramic Optical Fibers
Spark Plasma Sintering of Transparent Ceramics and Unusual Grain Growth
Synthesis and Processing of Transparent Ceramic Scintillators for Nuclear Radiation Detection
The Role of Scattering and Absorption on the Optical Properties of Birefringent Polycrystalline Ceramics: Modeling and Experiments
Transparent Ceramic Scintillators
Transparent Magnesium Aluminate Spinel Prepared via Microfluidization and Aqueous Slip-casting
Transparent Spinel by Microwave Sintering

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