Abstract
Ceramic monolithic and multilayered composites were produced by stacking water based green ceramic cast tapes. Two different mixtures of composites within the Al2O3/YTZP, system were investigated. The difference in the coefficient of thermal expansion (CTE) between the composites fabricated, resulted in the development of residual stresses when the same compositions were combined in a multilayered structure. The magnitude and the distribution of these residual stresses were assessed by the piezo-spectroscopic technique. The stress within the layers varied with a parabolic trend, with the highest values at the interfaces and a reduction toward the centre of the layers. The influence of symmetry of the multilayered laminate on the magnitude and distribution of the residual stresses within the structure are discussed.
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Portu De, G., Gurauskis, J., Micele, L. et al. Piezo-spectroscopic characterization of alumina-zirconia layered composites. J Mater Sci 41, 3781–3785 (2006). https://doi.org/10.1007/s10853-006-2508-z
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DOI: https://doi.org/10.1007/s10853-006-2508-z