Grain Boundary Phenomena in the Early Stages of Sintering of MO Oxides

  • A. M. R. Senos
  • M. R. Santos
  • A. P. Moreira
  • J. M. Vieira
Part of the NATO ASI Series book series (NSSE, volume 173)


The linear Frenkel law of sintering is briefly reviewed. Sintering of pure and Cr3+ doped ZnO and NiO was studied by using computer assisted dilatometry. The linear shrinkage law was observed during sintering of both oxides for low values of shrinkage. Its extent is changed by doping with Cr2O3. The sintering kinetics is discussed on the grounds of the MO oxides grain boundary.


Boundary Diffusion Shrinkage Rate Linear Shrinkage Cation Sublattice Solid State Sinter 
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Copyright information

© Kluwer Academic Publishers 1989

Authors and Affiliations

  • A. M. R. Senos
    • 1
  • M. R. Santos
    • 1
  • A. P. Moreira
    • 1
  • J. M. Vieira
    • 1
  1. 1.Departamento de Engenharia Ceramica e do VidroUniversidade de AveiroAveiroPortugal

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