Numerical simulations of 304 austenitic stainless steel (SS304) cyclic and ratcheting responses are performed using polycrystalline plasticity models. On the basis of the polycrystalline model of Cailletaud and Pilvin (1994, “Utilisation de modèles polycristallins pour le calcul par éléments finis,” Rev. Eur. Élém. Finis, 3, pp. 515–541), a modification of the β rule that operates the transition between the macroscopic level and the grain level is proposed. The improvement of the transition rule is obtained by introducing a “memory variable” at the grain level, so that a better description of the local stress–strain behavior is provided. This new feature is calibrated by means of previous simulations using finite element (FE) aggregate models. The results of the updated polycrystalline plasticity model are in good agreement with the macroscopic responses.
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April 2016
Research-Article
Micromechanical Modeling of the Ratcheting Behavior of 304 Stainless Steel
I. Ben Naceur,
I. Ben Naceur
UGPMM,
Ecole Nationale d'Ingénieurs de Sfax,
Sfax BP 1173, Tunisia
Ecole Nationale d'Ingénieurs de Sfax,
Sfax BP 1173, Tunisia
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T. Hassan,
T. Hassan
Department of Civil, Construction
and Environmental Engineering,
North Carolina State University,
Raleigh, NC 27695-7908
and Environmental Engineering,
North Carolina State University,
Raleigh, NC 27695-7908
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G. Cailletaud
G. Cailletaud
Centre des Matériaux,
MINES ParisTech,
PSL Research University,
CNRS UMR/7633,
Evry BP 87 91003, France
MINES ParisTech,
PSL Research University,
CNRS UMR/7633,
Evry BP 87 91003, France
Search for other works by this author on:
I. Ben Naceur
UGPMM,
Ecole Nationale d'Ingénieurs de Sfax,
Sfax BP 1173, Tunisia
Ecole Nationale d'Ingénieurs de Sfax,
Sfax BP 1173, Tunisia
K. Saï
T. Hassan
Department of Civil, Construction
and Environmental Engineering,
North Carolina State University,
Raleigh, NC 27695-7908
and Environmental Engineering,
North Carolina State University,
Raleigh, NC 27695-7908
G. Cailletaud
Centre des Matériaux,
MINES ParisTech,
PSL Research University,
CNRS UMR/7633,
Evry BP 87 91003, France
MINES ParisTech,
PSL Research University,
CNRS UMR/7633,
Evry BP 87 91003, France
1Corresponding author.
Contributed by the Materials Division of ASME for publication in the JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY. Manuscript received December 16, 2014; final manuscript received December 2, 2015; published online January 22, 2016. Assoc. Editor: Said Ahzi.
J. Eng. Mater. Technol. Apr 2016, 138(2): 021005 (8 pages)
Published Online: January 22, 2016
Article history
Received:
December 16, 2014
Revised:
December 2, 2015
Citation
Ben Naceur, I., Saï, K., Hassan, T., and Cailletaud, G. (January 22, 2016). "Micromechanical Modeling of the Ratcheting Behavior of 304 Stainless Steel." ASME. J. Eng. Mater. Technol. April 2016; 138(2): 021005. https://doi.org/10.1115/1.4032154
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