Viscosity of Ba-B-Si-Al-O glass measured by indentation creep test at operating temperature of IT-SOFC
Resource
Journal of Non-Crystalline Solids, 357(5), 1414-1419
Journal
Journal of Non-Crystalline Solids
Journal Volume
357
Journal Issue
5
Pages
1414-1419
Date Issued
2011
Date
2011
Author(s)
Abstract
Viscosity of a specific Ba-B-Si-Al-O glass used for intermediate- temperature solid oxide fuel cell was measured using indentation creep tests. Responses of shear strain to corresponding shear stress at the operating temperature of solid oxide fuel cell were analyzed, and the results revealed that the glass system possesses Newtonian flow behavior at 600-630 °C. In addition, the stress exponent and the activation energy for viscous flow at different temperatures and stresses were also determined. Finally, the absolute-rate theory was adopted to describe the viscous flow for the glass. The results were compared with other glass systems. © 2010 Elsevier B.V. All rights reserved.
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journal article
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