Publicação: Evolution of the fractal structure during sintering of SnO2 compacted sol-gel powder
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1995-04-28
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The structural evolution during sintering of compacted SnO2 sol-gel powder was investigated using nitrogen adsorption isotherm analysis. Results show that for sintering temperatures up to 400°C the samples have a fractal pore size distribution. As the sintering temperature increases, a structural rearragement occurs, allowing an increase of the efficiency of particle packing and the reduction of fractality. Above 400°C, the pore size growth associated with grain coalescence is the main structural change observed as the sintering temperature increases. © 1995.
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Inglês
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Colloids and Surfaces A: Physicochemical and Engineering Aspects, v. 97, n. 3, p. 217-225, 1995.
