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Mechanical behaviour of SSRT specimens optimized for IGSCC concerns

Deleume, Julien and Poquillon, Dominique and Garat, Véronique and Cloué, Jean-Marc and Andrieu, Eric Mechanical behaviour of SSRT specimens optimized for IGSCC concerns. (2008) Corrosion Science, vol. 50 (n° 3). pp. 737-743. ISSN 0010-938X

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Official URL: http://dx.doi.org/10.1016/j.corsci.2007.10.007

Abstract

Simulating testing conditions leading to evaluate the intergranular stress corrosion cracking sensitivity of structural alloys is crucial to estimate the lifetime of in-service components. Former studies have pointed out that a simple modification of the design of slow strain rate tensile specimens was particularly convenient for evaluating the susceptibility to intergranular stress corrosion cracking of nickelbase alloys. The aim of the present work is to characterize and model the mechanical behaviour of such specimens. Validation of proposed modelling relies mainly on tensile tests carried on specimens equipped with strain gages. One of the striking results is that, for a given displacement rate of the heads of the specimen, a much slower strain rate can be obtained locally in comparison with the strain rate of an equivalent smooth specimen.

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 Corrosion Science website : http://www.sciencedirect.com/science/journal/0010938X
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution: Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
Université de Toulouse > Université Paul Sabatier-Toulouse III - UPS
Other partners > AREVA (FRANCE)
French research institutions > Centre National de la Recherche Scientifique - CNRS
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Deposited By: Celine Cabaup

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