Mechanical properties of Gd-CeO2 electrolyte for SOFC prepared by aqueous tape casting

A. Akbari-Fakhrabadi, R. V. Mangalaraja, M. Jamshidijam, S. Ananthakumar, S. H. Chan

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


Mechanical properties of gadolinium-doped ceria (Ce0.9Gd 0.1O1.95, 10GDC) green tape prepared by aqueous-based tape casting process were characterized by tensile test and shear punch test (SPT). SPT was found to be a useful method for characterizing mechanical properties of green tapes. Microstructures and mechanical properties such as flexural modulus, bending strength, and microhardness of tapes sintered at 1,300-1,500 °C have been evaluated. Indentation fracture toughness was also determined by the method of Palmqvist cracks at different applied loads for tapes sintered at 1,500 °C. Grain size measurements showed that excessive grain growth occurred during sintering despite using 10GDC nanopowders as the starting material. However, mechanical properties of sintered tapes improved by increasing sintering temperature and the results are comparable with those reported for 10GDC in literature.

Original languageEnglish
Pages (from-to)682-688
Number of pages7
JournalFuel Cells
Issue number5
StatePublished - Oct 2013
Externally publishedYes


  • 10GDC
  • Aqueous Tape Casting
  • Electrolyte
  • Mechanical Properties
  • SOFC
  • Sintering


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