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The Strathprints institutional repository is a digital archive of University of Strathclyde research outputs.

Strathprints serves world leading Open Access research by the University of Strathclyde, including research by the Strathclyde Institute of Pharmacy and Biomedical Sciences (SIPBS), where research centres such as the Industrial Biotechnology Innovation Centre (IBioIC), the Cancer Research UK Formulation Unit, SeaBioTech and the Centre for Biophotonics are based.

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A new approach for DL-EPR testing of thermo-mechanically processed austenitic stainless steel

Rahimi, Salaheddin and Engelberg, Dirk and Marrow, James (2011) A new approach for DL-EPR testing of thermo-mechanically processed austenitic stainless steel. Corrosion Science, 53 (12). 4213–4222. ISSN 0010-938X

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Abstract

Standard test methods such as the electrochemical potentiokinetic reactivation test (EPR) and double- loop EPR test (DL-EPR) are commonly used to characterise sensitisation behaviour in austenitic stainless steels and nickel-based alloys. In this study, the DL-EPR test is augmented by large-area image analysis (IA) to characterise and quantify the networks of attacked grain boundaries. A new analysis approach that is based on a grain boundary cluster parameter is proposed to describe the network of corrosion suscep- tible grain boundaries, which may be estimated from electron backscatter diffraction (EBSD) data. This method may provide a better assessment of the relative DOS of different heats of austenitic stainless steels.