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Ratchetting behavior of duplex stainless steel : characterization and modeling

type de publication      communication internationale avec actes publiés
date de publication 2003
auteur(s) Aubin Véronique; Cristol Anne-Lise; Degallaix Suzanne; Quaegebeur Philippe
conférence 9th Int. Conf. Mechanical Behaviour of Materials, ICM 9
     dates de 25-05-2003 à 29-05-2003
     lieu Geneva
     nom des actes Proceedings of the 9th Int. Conf. Mechanical Behaviour of Materials
pages 135 – 140
résumé This paper is concerned with the experimental behavior of a duplex stainless steel under cyclic stress control. The existence domain of ratchetting effect is studied in tension-compression. Several loading paths in tension-torsion are tested in order to build a large experimental data base. The ratchetting behavior observed is modeled using Ohno-Wang model with two non-linear kinematic rules. The model tested gives accurate predictions of the experimental basis
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