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- W2891662970 abstract "Abstract The aim of this work was the analysis of the experimental results of a transparent alumina ( BMA 15) ceramic which was fabricated by Spark Plasma Sintering ( SPS ) from nanopowder ( BMA 15, Baikowski Chimie, France), at different temperatures (1200°C, 1250°C, 1300°C). With the application of a maximum uniaxial pressure of 73 MP a during all the fabrication‐cycle (more than 3 hours). We sought an optimal sintering temperature combining better optical and mechanical properties of our pellets. The sintered alumina ( BMA 15) has a crystalline and dense microstructure. The samples sintered at 1200°C exhibit the best optical properties, in particular: good real inline transmission ( RIT ) and an optical gap greater than those of the samples sintered at 1250°C and 1300°C. Due to their low density, the Young modulus of alumina sintered at 1200 °C, deduced by ultrasound, has a low value which is about 385 GP a. Similarly, its small grain size gives it a better Vickers hardness ~ 21 GP a. Therefore, the value of the coefficient of friction μ stabilizes around the mean value of 0.21." @default.
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- W2891662970 date "2018-09-25" @default.
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- W2891662970 title "Optical and mechanical characterization of transparent α‐alumina fabricated by spark plasma sintering" @default.
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- W2891662970 doi "https://doi.org/10.1111/ijac.13109" @default.
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