A New Powder Production Route for Transparent Spinel Windows ...

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Controllable <strong>Spinel</strong> <strong>Powder</strong> Size! Synthesis process dependson many co-interactingprocess variables! Polynomial neural networkused to model synthesisparameters! Three variables (hydrolysistime, hydrolysis temperatureand “ripening time”) controlsurface area.Predicted Surface Area (m 2 /g)454035302520151050-5y = 0.9948x + 0.0673R 2 = 0.99480 10 20 30 40 50Measured SA (m 2 /g)TDAR e s e a r c h
Topotactic Metal Exchange ProcessIntensity800700600500400300Catapal ABoehmite20010005 15 25 35 45 55 65 75Two ThetaIntensity300250200150100500Propionato-alumoxaneMg-exchanged PA-Boehmite5 15 25 35 45 55 65 75Two ThetaBoehmite crystal structure is unaltered by metal exchangeTDAR e s e a r c h
Page 3 and 4: Applications of TDA’s SurfaceFunc
Page 5 and 6: Methods for Productionof Spinel Pow
Page 7: Powder Processing Flow ChartAl(OR)
Page 11 and 12: Hot Pressed Spinel DiscsSpinel with
Page 13 and 14: Optical Characterization: BestPowde

A New Powder Production Route for Transparent Spinel Windows ...

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