Title: Stress relaxation on polished cross-sections of Al2O3/ZrO2 FGM discs measured by Raman spectroscopy
Authors: AnnĂ©, Guy ×
Vanmeensel, Kim
Vleugels, Jef
Van der Biest, Omer #
Issue Date: 2005
Publisher: Trans Tech Publications
Series Title: Materials Science Forum vol:492-493 pages:641-646
Abstract: The residual stresses were measured on polished cross-sectioned Al2O3/ZrO2 FGM discs by means of Raman spectroscopy. The experiments revealed that it is possible to measure the residual stresses caused by the thermal expansion mismatch between the alumina and zirconia phase as a function of the position in the FGM. These experimental data are in excellent agreement with the thermal stresses calculated from the local composition using the model of Taya. However, the stresses due to the generated FGM profile could not be measured by means of Raman spectroscopy, due to stress relaxation upon cross sectioning of the FGM disc.
ISSN: 0255-5476
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Physical Metallurgy and Materials Engineering Section (-)
Department of Materials Engineering - miscellaneous
× corresponding author
# (joint) last author

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