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Influence of localized plasticity on oxidation behaviour of austenitic stainless steels under primary water reactor

Cissé, Sarata and Laffont-Dantras, Lydia and Lafont, Marie-Christine and Tanguy, Benoit and Andrieu, Eric Influence of localized plasticity on oxidation behaviour of austenitic stainless steels under primary water reactor. (2013) Journal of Nuclear Materials, vol. 433 (n° 1-3). pp. 319-328. ISSN 0022-3115

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Official URL: http://dx.doi.org/10.1016/j.jnucmat.2012.09.020

Abstract

The sensitivity of precipitation-strengthened A286 austenitic stainless steel to stress corrosion cracking was studied by means of slow-strain-rate tests. First, alloy cold working by low cycle fatigue (LCF) was investigated. Fatigue tests under plastic strain control were performed at different strain levels (Δεp/2 = 0.2%, 0.5%, 0.8% and 2%) to establish correlations between stress softening and the deformation microstructure resulting from the LCF tests. Deformed microstructures were identified through TEM investigations. The interaction between oxidation and localized deformation bands was also studied and it resulted that localized deformation bands are not preferential oxide growth channels. The pre-cycling of the alloy did not modify its oxidation behaviour. However, intergranular oxidation in the subsurface under the oxide layer formed after exposure to PWR primary water was shown.

Item Type:Article
Additional Information:Thanks to Elsevier editor. The definitive version is available at http://www.sciencedirect.com The original PDF of the article can be found at Journal of Nuclear Materials website : http://dx.doi.org/10.1016/j.jnucmat.2012.09.020
HAL Id:hal-01218526
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Commissariat à l'Energie Atomique et aux énergies alternatives - CEA (FRANCE)
French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UPS (FRANCE)
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Deposited By: cirimat webmestre
Deposited On:18 Jun 2015 13:27

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