• Medientyp: E-Artikel
  • Titel: Anomalies in the thermomechanical behavior of Ba0.5Sr0.5Co0.8e0.2O3sigma ceramic oxygen conductive membranes at intermediate temperatures
  • Beteiligte: Huang, B.X. [Verfasser:in]; Malzbender, J. [Verfasser:in]; Steinbrech, R. W. [Verfasser:in]; Grychtol, P. [Verfasser:in]; Schneider, C. M. [Verfasser:in]; Singheiser, L. [Verfasser:in]
  • Erschienen: American Institute of Physics, 2009
  • Erschienen in: Applied physics letters 95, 051901 (2009). doi:10.1063/1.3193657
  • Sprache: Englisch
  • DOI: https://doi.org/10.1063/1.3193657
  • ISSN: 0003-6951
  • Schlagwörter: indentation ; optical susceptibility ; elastic constants ; ceramics ; strontium compounds ; fracture ; thermomechanical treatment ; barium compounds ; cobalt compounds
  • Entstehung:
  • Anmerkungen: Diese Datenquelle enthält auch Bestandsnachweise, die nicht zu einem Volltext führen.
  • Beschreibung: The thermomechanical properties of Ba0.5Sr0.5Co0.8Fe0.2O3-delta (BSCF) were measured using ring-on-ring tests and depth-sensitive microindentation. The cubic BSCF material exhibits an anomaly in mechanical properties between 200 and 400 degrees C. The observed anomaly is attributed to the transition of Co3+ spin states which is experimentally confirmed by susceptibility measurements. Furthermore, slip lines were observed around the impression when indentation tests were carried out above 260 degrees C.
  • Zugangsstatus: Freier Zugang