Chemical Engineering Transactions (Aug 2016)

Spark Plasma Sinering Simulation of Alumina Composite Modified with Carbon Nanotubes

  • N.A. Fedosova,
  • E.M. Koltsova,
  • E.V. Zharikov,
  • I.I. Mitrichev,
  • A.S. Shaneva

DOI
https://doi.org/10.3303/CET1652164
Journal volume & issue
Vol. 52

Abstract

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Ceramic alumina composites with carbon nanotubes (20 - 50 %vol.) were prepared by spark plasma sintering method. Dependence of the composite strength from porosity and the amount of CNTs was found. The process of spark plasma sintering was investigated to develop mathematical model of this process. Resulting model of sintering process can predict porosity of composite Al2O3-CNT after thermal exposure. Optimization of sintering parameters was allowed to find heating mode for obtain composite samples with porosity less than 0.1 %.