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Investigation of Kelvin probe force microscopy efficiency for the detection of hydrogen ingress by cathodic charging in an aluminium alloy

Larignon, Céline and Alexis, Joël and Andrieu, Eric and Lacroix, Loïc and Odemer, Grégory and Blanc, Christine Investigation of Kelvin probe force microscopy efficiency for the detection of hydrogen ingress by cathodic charging in an aluminium alloy. (2013) Scripta Materialia, 68 (7). 479-482. ISSN 1359-6462

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Official URL: http://dx.doi.org/10.1016/j.scriptamat.2012.11.026

Abstract

Detecting and locating absorbed hydrogen in aluminium alloys is necessary for evaluating the contribution of hydrogen embrittlement to the degradation of the mechanical properties for corroded or cathodically hydrogen-charged samples. The capability of Kelvin probe force microscopy (KFM) to overcome this issue was demonstrated. Aluminium alloy samples were hydrogenated by cathodic polarisation in molten salts (KHSO4/NaHSO4.H2O). The presence of absorbed hydrogen was revealed; the affected zone depth was measured by secondary ion mass spectroscopy (SIMS) analyses and KFM measurements.

Item Type:Article
Additional Information:Thanks to Elsevier editor. The definitive version is available at : http://dx.doi.org/10.1016/j.scriptamat.2012.11.026
HAL Id:hal-00784218
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution: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: Loic LACROIX
Deposited On:24 Jan 2013 14:12

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