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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Depover, T.
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Topics
Publications (5/5 displayed)
- 2021Impact of hydrogen and crosshead displacement rate on the martensitic transformations and mechanical properties of 304L stainless steelcitations
- 2020Hydrogen-assisted cracking in 2205 duplex stainless steelcitations
- 2020Critical assessment of the evaluation of thermal desorption spectroscopy data for duplex stainless steelscitations
- 2019Electrochemical hydrogen charging of duplex stainless steelcitations
- 2019First observation by EBSD of martensitic transformations due to hydrogen presence during straining of duplex stainless steelcitations
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article
Electrochemical hydrogen charging of duplex stainless steel
Abstract
<p>This study evaluates the electrochemical hydrogen charging behavior and interaction between hydrogen and the microstructure of a duplex stainless steel. A saturation level of approximately 650 wppm is reached after 10 d of charging. The data are compared with a model resulting in a diffusion coefficient of 2.1 × 10<sup>−14</sup> m<sup>2</sup>/s. A two-step increase of the concentration is observed and ascribed to saturation of ferrite followed by charging of austenite grains. Microstructural changes are observed during charging, i.e., formation and interaction of dislocations, as a result of the high residual stresses inherent to the production process of duplex stainless steels.</p>