Large Deformation and Mechanical Effects of Damage in Aged Duplex Stainless Steel

Abstract : The lattice strains in large tensile deformations, up to the fracture of the sample were measured using neutron TOF method. For the first time, the range of large deformation was studied measuring lattice strain in the deformation neck and using special correction for macrostress value. It was found that during large plastic deformation the lattice stresses arise almost linearly with the macrostress value. The relaxation of elastic strains in some groups of ferritic grains (corresponding to reflections 211 and 200) can be connected with initiation of damage process in the ferritic phase.
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Submitted on : Thursday, September 5, 2019 - 9:37:47 AM
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Léa Le Joncour, Benoît Panicaud, Andrzej Baczmanski, Manuel François, Chedly Braham, et al.. Large Deformation and Mechanical Effects of Damage in Aged Duplex Stainless Steel. Materials Science Forum, Trans Tech Publications Inc., 2010, 652, pp.155-160. ⟨10.4028/www.scientific.net/MSF.652.155⟩. ⟨hal-02279160⟩

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