Journal of Materials Science

, Volume 44, Issue 10, pp 2581–2589 | Cite as

Influence of starch content and sintering temperature on the microstructure of porous yttria-stabilized zirconia tapes

  • María P. AlbanoEmail author
  • Liliana B. Garrido
  • Kevin Plucknett
  • Luis A. Genova


Porous yttria-stabilized zirconia (YSZ) substrates with volume fractions of porosity ranging from 28.9 to 53 vol.% were developed using starch as a fugitive additive. Concentrated aqueous YSZ slips with different amounts of starch and an acrylic latex binder were prepared. The influence of the volume fraction of starch and sintering temperature on the sintering behavior and final microstructure were investigated. Two kinds of pores were observed in the sintered tapes: large pores created by the starch particles with lengths between 15 and 80 μm and smaller pores in the matrix with lengths between 0.6 and 3.8 μm. The porosities were above those predicted for each of the starch contents. However, larger deviations from the predicted porosity were found as more starch was added. The top surface of the sintered tapes had a greater porosity than the bottom one for all the starch contents examined. The total porosity and the percentage of open porosity in the sintered tapes could be controlled by the volume fraction of added starch as well as by the sintering temperature. The open pores between the YSZ particles were removed by sintering at 1600 °C. As the volume fraction of starch increased from 17.6 to 37.8 vol.%, there was a gradual increase in the interconnectivity of the pore structure.


Starch Starch Content Latex Particle Open Porosity Cast Tape 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



The authors would like to acknowledge CONICET (Argentina), NSERC (Canada), and CNPq (Brazil) for provision of research funding through the Inter-American Research in Materials (CIAM) Program. We also acknowledge the support of the Canada Foundation for Innovation, the Atlantic Innovation Fund, and other partners who helped fund the Facilities for Materials Characterization, managed by the Dalhousie University Institute for Materials Research, who provided access to the FE-SEM.


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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • María P. Albano
    • 1
    Email author
  • Liliana B. Garrido
    • 1
  • Kevin Plucknett
    • 2
  • Luis A. Genova
    • 3
  1. 1.Centro de Tecnología de Recursos Minerales y Cerámica (CETMIC)M. B. GonnetArgentina
  2. 2.Department of Process Engineering and Applied ScienceDalhousie UniversityHalifaxCanada
  3. 3.Instituto de Pesquisas Energéticas e Nucleares (IPEN)São PauloBrazil

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