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dc.contributor.author
Vincent, Pierre Guy
dc.contributor.author
Moulinec, Hervé
dc.contributor.author
Louis Joessel
dc.contributor.author
Idiart, Martín Ignacio
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dc.contributor.author
Garajeu, Mihai
dc.date.available
2022-06-10T16:57:30Z
dc.date.issued
2020-12
dc.identifier.citation
Vincent, Pierre Guy; Moulinec, Hervé; Louis Joessel; Idiart, Martín Ignacio; Garajeu, Mihai; Porous polycrystal plasticity modeling of neutron-irradiated austenitic stainless steels; Elsevier Science; Journal of Nuclear Materials; 542; 12-2020; 1-15
dc.identifier.issn
0022-3115
dc.identifier.uri
http://hdl.handle.net/11336/159498
dc.description.abstract
A micromechanical model for quantifying the simultaneous influence of irradiation hardening and swelling on the mechanical stiffness and strength of neutron-irradiated austenitic stainless steels is proposed. The material is regarded as an aggregate of equiaxed crystalline grains containing a random dispersion of pores (large voids due to large irradiation levels) and exhibiting elastic isotropy but viscoplastic anisotropy. The overall properties are obtained via a judicious combination of various bounds and estimates for the elastic energy and viscoplastic dissipation of voided crystals and polycrystals. Reference results are generated with full-field numerical simulations for dense and voided polycrystals with periodic microstructures and crystal plasticity laws accounting for the evolution of dislocation and Frank loop densities. These results are calibrated with experimental data available from the literature and are employed to assess the capabilities of the proposed model to describe the evolution of mechanical properties of highly irradiated Solution Annealed 304L steels at 330oC. The agreement between model predictions and simulations is seen to be quite satisfactory over the entire range of porosities and loadings investigated. The expected decrease of overall elastic properties and strength for porosities observed at large irradiation levels is reported. The mathematical simplicity of the proposed model makes it particularly apt for implementation into finite-element codes for structural safety analyses.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science
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dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
AUSTENITIC STAINLESS STEEL
dc.subject
CRYSTAL PLASTICITY
dc.subject
FAST FOURIER TRANSFORMS SIMULATIONS
dc.subject
IRRADIATION HARDENING
dc.subject
MICROMECHANICS OF POROUS MEDIA
dc.subject
VOID SWELLING
dc.subject.classification
Ingeniería Nuclear
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dc.subject.classification
Ingeniería Mecánica
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dc.subject.classification
INGENIERÍAS Y TECNOLOGÍAS
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dc.title
Porous polycrystal plasticity modeling of neutron-irradiated austenitic stainless steels
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2022-04-26T20:26:06Z
dc.journal.volume
542
dc.journal.pagination
1-15
dc.journal.pais
Países Bajos
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dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Vincent, Pierre Guy. Institute de Radioprotection Et de Surete Nucleaire.; Francia
dc.description.fil
Fil: Moulinec, Hervé. Centre National de la Recherche Scientifique; Francia
dc.description.fil
Fil: Louis Joessel. Institute de Radioprotection Et de Surete Nucleaire.; Francia
dc.description.fil
Fil: Idiart, Martín Ignacio. Universidad Nacional de La Plata. Facultad de Ingeniería. Departamento de Aeronáutica; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina
dc.description.fil
Fil: Garajeu, Mihai. Centre National de la Recherche Scientifique; Francia
dc.journal.title
Journal of Nuclear Materials
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0022311520310710
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.jnucmat.2020.152463
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