Title
On the mechanical effects of a nanocrystallisation treatment for ZrO2 oxide films growing on a zirconium alloy
In
Corrosion Science
Volume
68
Pages
263–274
Publisher
Elsevier
Year
2013
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Abstract
In the present work, mechanical features are investigated in the case of ZrO2 thermal oxide films growing on a Zr alloy at the temperature of 550°C. The effects of a nanocrystallisation treatment on high temperature oxidation of a zirconium alloy are specifically studied. High temperature oxidation is performed in order to show benefits of such a nanocrystallisation on corrosion resistance and its influence on the mechanical fields. Experimental results obtained by Raman spectroscopy give the growth stress evolution in ZrO2 films. Using a modelling of the system, both asymptotic forms and an optimization procedure are developed to determine the mechanical characteristic parameters of the system. © 2012 Elsevier Ltd.
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