Liquid metal embrittlement
TypeChapitres d'ouvrages scientifiques
If the terminology “hydrogen embrittlement” (HE) very explicitly points to the species responsible for the physical phenomenon, it is not the same for liquid metal embrittlement (LME). Whilst the first case suggests focusing on the presence of H+, H or H2, the second suggests that a priori all metals, provided that they are liquid, could lead to ductility loss. However, in terms of the literature, the number of articles dedicated to LME is much more modest than that dedicated to HE and accordingly the phenomena and the cases of LME are certainly less well known than those of HE.
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Validity of Crystal Plasticity Models Near Grain Boundaries: Contribution of Elastic Strain Measurements at Micron Scale PLANCHER, E.; TAJDARY, Pouya; AUGER, Thierry; CASTELNAU, Olivier; LOISNARD, Dominique; MARIJON, Jean Baptiste; MAURICE, Claire; MICHEL, Vincent; ROBACH, Odile; STODOLNA, Julien (Minerals, Metals and Materials Society, 2019)Synchrotron Laue microdiffraction and digital image correlation measurements were coupled to track the elastic strain field (or stress field) and the total strain field near a general grain boundary in a bent bicrystal. A ...
Wetting by liquid sodium and fracture path analysis of sodium induced embrittlement of 304L stainless steel BARKIA, Bassem; AUGER, Thierry; COUROUAU, Jean Louis; BOURGON, Julie (Cambridge University Press, 2018)The wettability of the 304L steel is an important parameter in Liquid Metal Embrittlement studies. Empirically, it is found to be greatly enhanced by pre-exposure to oxygenated liquid sodium. The corrosion interface formed ...
Investigation of crack propagation resistance of 304L, 316L and 316L(N) austenitic steels in liquid sodium BARKIA, Bassem; AUGER, Thierry; CABET, Céline; NICOLAS, Laetitia; ROBIN, Raphaël; RIVOLLIER, Matthieu; LORENTZ, Véronique; PERRIN, E. (Elsevier, 2018)In order to assess the susceptibility of candidate structural materials to Liquid Metal Embrittlement (LME), the fracture behavior of three grades of austenitic steels was investigated in oxygenated (200 wppm) liquid sodium ...
On the origin of the high tensile strength and ductility of additively manufactured 316L stainless steel: Multiscale investigation BARKIA, Bassem; AUBRY, Pascal; HAGHI-ASHTIANI, Paul; AUGER, Thierry; GOSMAIN, Lionel; SCHUSTER, Frédéric; MASKROT, Hicham (ELSEVIER, 2020)We report that 316L austenitic stainless steel fabricated by direct laser deposition (DLD), an additive manufacturing (AM) process, have a higher yield strength than that of conventional 316L while keeping high ductility. ...
SERRÉ, R.; ROBINET, Jean-Christophe; MARGNAT, F. (Acoustical Society of America, 2015)Noise generation by flows is modeled using a pressure wavepacket to excite the acoustic medium via a boundary condition of the homogeneous wave equation. The pressure wavepacket is a generic representation of the flow ...