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Adaptation of Hydrogen Transport Models at the Polycrystal Scale and Application to the U-bend Test


Hydrogen transport and trapping equations are implemented in a FE software, using User Subroutines, and the obtained tool is applied to get the diffusion fields in a metallic sheet submitted to a U-Bend test. Based on a submodelling process, mechanical and diffusion fields have been computed at the polycrystal scale, from which statistical evaluation of the risk of failure of the sample has been estimated.

Countries: France

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