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Comparative study of the sintering kinetic of alumina by kinetic field of response, master curve and thermokinetic

: Neher, R.

High temperatures, high pressures 42 (2013), Nr.4, S.349-365
ISSN: 0018-1544
Fraunhofer IKTS ()
alumina; kinetic; kinetic field of response; master sintering curve; sintering; themokinetic

The kinetic of sintering of alumina was studied using Kinetic Field of Response, Master Curve and Thermokinetic method. Sintering was modelled by each method and predictions of the density evolution for various temperature- time- profiles including rate controlled sintering were carried out and compared to experiments. Additionally microstructure evolution and the influence of different sintering schedules on the development of microstructure were examined by SEM analysis. The methods proved to properly describe and predict the density evolution during sintering of alumina even for complicated temperature- time- profiles. Thus the methods are an appropriate tool for the optimization of sintering schedules for alumina.