Actes du 3ème Colloque International sur la Corrosion et la Protection des Matériaux à Haute Température
J. Phys. IV France 03 (1993) C9-963-C9-970
DOI: 10.1051/jp4:1993999
Influence de l'état mécanique d'un alliage réfractaire sur sa réactivité à haute température
B. Dionnet1, F. Clemendot2 and E Nardou11 Laboratoire de Céramiques Nouvelles, URA CNRS 320,123, Avenue Albert Thomas, 87060 Limoges Cedex France
2 EDF, Direction des Etudes et Recherches, Les Renardières, Route de Sens, Ecuelles, 77250 Moret sur Loing France
Abstract
The aim of this work is the reactivity of a ferritic alloy studied considering both chemical and mechanical evolutions versus time between 800 and 1300°C in air. A singular strength behaviour is showed at 900°C in isothermal conditions whereas an accelerated oxidation is visible at the same temperature. The evolution of the Young's modulus and thermal expansion studies explained these anomalies with carbides precipitation.
© EDP Sciences 1993




BibSonomy
CiteUlike
Del.icio.us
Digg
Facebook
Mendeley
Twitter