The present research focuses on a novel ceramic/glass composite seal. These seals first underwent a curing cycle. The cycled seal was then characterized with a laser dilatometer to identify the glass transition, softening temperature, and thermal expansion properties. High temperature ring-on-ring (RoR) experiments were performed to study the effect of glass transition and softening temperatures on mechanical response. X-ray diffraction (XRD) techniques in conjunction with post-test micrographs were used to understand the observed mechanical response. In addition, Weibull statistical analysis performed on cycled seals showed that Weibull modulus had decreased and Weibull characteristics strength had increased with multiple thermal cycles.
Thermomechanical Properties of Cycled Ceramic/Glass Composite Seals for Solid Oxide Fuel Cells
Contributed by the Advanced Energy Systems Division of ASME for publication in the JOURNAL OF FUEL CELL SCIENCE AND TECHNOLOGY. Manuscript received July 26, 2014; final manuscript received December 15, 2014; published online March 16, 2015. Assoc. Editor: Dr Masashi Mori.
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Dev, B., and Walter, M. E. (June 1, 2015). "Thermomechanical Properties of Cycled Ceramic/Glass Composite Seals for Solid Oxide Fuel Cells." ASME. J. Fuel Cell Sci. Technol. June 2015; 12(3): 031009. https://doi.org/10.1115/1.4029876
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