Zobrazeno 1 - 10 of 53 pro vyhledávání: '"Véronique Lazarus"'
1
Revisiting facet nucleation under mixed mode I+III loading with T-stress and mode-dependent fracture properties
Autor: Aurélien Doitrand, Dominique Leguillon, Gergely Molnár, Véronique Lazarus
Publikováno v: International Journal of Fracture
International Journal of Fracture, 2023, ⟨10.1007/s10704-023-00703-0⟩
We study the problem of crack front segmentation into facets under mixed mode I+III loading. Discrete facet network nucleation is determined based on the match asymptotic expansion approach of the coupled criterion considering both the influence of T
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4f4d1154ea25a8e962afc60268a01f8a
https://hal.science/hal-04099410v2/file/IJF_modeIetIII.pdf
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2
Effect of the Deposition Direction on Fracture Propagation in a Duplex Stainless Steel Manufactured by Directed Energy Deposition
Autor: David Roucou, Thomas Corre, Gilles Rolland, Véronique Lazarus
Publikováno v: Materials Science and Engineering: A
Materials Science and Engineering: A, In press, ⟨10.1016/j.msea.2023.145176⟩
International audience; Dense volumes of duplex stainless steel are manufactured by directed energy deposition. Compact tension specimens are machined from these volumes in order to evaluate the fracture toughness in two directions : parallel or perp
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::10327df7b5af82b55e3d72e98f2238a9
https://doi.org/10.2139/ssrn.4239110
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3
Kinked crack paths in polycarbonate samples printed by fused deposition modelling using criss-cross patterns
Autor: Véronique Lazarus, Thomas Corre
Publikováno v: International Journal of Fracture
International Journal of Fracture, Springer Verlag, 2021, ⟨10.1007/s10704-021-00518-x⟩
International Journal of Fracture, Springer Verlag, 2021, pp.19-31. ⟨10.1007/s10704-021-00518-x⟩
International Journal of Fracture, 2021, pp.19-31. ⟨10.1007/s10704-021-00518-x⟩
International audience; Additive manufacturing is unquestionably gaining importance in industry. Due to the layer by layer deposit process, it usually leads to an anisotropic material. A question of importance to assess their resistance to fracture i
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::018622b330cbf6ce09fce7674f31c45b
https://hal.archives-ouvertes.fr/hal-03190836
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4
Mode I+III multiscale cohesive zone model with facet coarsening and overlap: Solutions and applications to facet orientation and toughening
Autor: Véronique Lazarus, Benoit Prabel, Jean-Baptiste Leblond, T. Cambonie
Publikováno v: Journal of the Mechanics and Physics of Solids
Journal of the Mechanics and Physics of Solids, Elsevier, 2020, 141, pp.104007. ⟨10.1016/j.jmps.2020.104007⟩
Journal of the Mechanics and Physics of Solids, 2020, 141, pp.104007. ⟨10.1016/j.jmps.2020.104007⟩
When subjected to some anti-plane shear mode III loading, segmentation of the crack front frequently occurs during propagation: even if the crack is initially planar, propagation produces facets/segments rotated toward the shear free direction. These
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d5e1d061b676e55193fba8c8018d8cc5
https://hal.archives-ouvertes.fr/hal-02570472/document
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5
Role of particle aggregation on the structure of dried colloidal silica layers
Autor: Georges Gauthier, Arnaud Lesaine, Véronique Lazarus, Marianne Impéror-Clerc, Cindy L. Rountree, Daniel Bonamy
Publikováno v: Soft Matter
Soft Matter, Royal Society of Chemistry, 2021, 17, pp.1589. ⟨10.1039/D0SM00723D⟩
Soft Matter, 2021, 17, pp.1589. ⟨10.1039/D0SM00723D⟩
International audience; The process of colloidal drying gives way to particle self-assembly in numerous elds including photonics or biotechnology. Yet, the mechanisms and conditions driving the nal particle arrangement in dry colloidal layers remain
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7a1b32ba4c2137abbc6330d2fbaacf3a
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6
Toughening induced by the formation of facets in mode I+III brittle fracture: Experiments versus a two-scale Cohesive Zone model
Autor: M.L. Hattali, T. Cambonie, Véronique Lazarus
Publikováno v: Journal of the Mechanics and Physics of Solids
Journal of the Mechanics and Physics of Solids, 2021, 156, pp.104596. ⟨10.1016/j.jmps.2021.104596⟩
Journal of the Mechanics and Physics of Solids, Elsevier, In press, ⟨10.1016/j.jmps.2021.104596⟩
Journal of the Mechanics and Physics of Solids, Elsevier, 2021, 156, pp.104596. ⟨10.1016/j.jmps.2021.104596⟩
International audience; When subjected to some anti-plane shear mode III loading, segmentation of the crack front frequently occurs during propagation: even if the crack is initially planar, propagation produces facets/segments rotated toward the she
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::30f2711e51e5b3c198566a8eb873f478
https://doi.org/10.1016/j.jmps.2021.104596
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7
Bridging micro to macroscale fracture properties in highly heterogeneous brittle solids: weak pinning versus fingering
Autor: Manish Vasoya, Véronique Lazarus, Laurent Ponson
Publikováno v: Journal of the Mechanics and Physics of Solids
Journal of the Mechanics and Physics of Solids, Elsevier, 2016, 95, pp.755--773. ⟨10.1016/j.jmps.2016.04.022⟩
Journal of the Mechanics and Physics of Solids, 2016, 95, pp.755--773. ⟨10.1016/j.jmps.2016.04.022⟩
The effect of strong toughness heterogeneities on the macroscopic failure properties of brittle solids is investigated in the context of planar crack propagation. The basic mechanism at play is that the crack is locally slowed down or even trapped wh
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::99e3d8180db780c28df974660bafc669
https://doi.org/10.1016/j.jmps.2016.04.022
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8
Highly porous layers of silica nano-spheres sintered by drying: Scaling up of the elastic properties from the beads to the macroscopic mechanical properties
Autor: Cindy L. Rountree, Daniel Bonamy, Arnaud Lesaine, Georges Gauthier, Véronique Lazarus
Publikováno v: Soft Matter
Soft Matter, Royal Society of Chemistry, 2018, 14 (19), pp.3987-3997. ⟨10.1039/c7sm02443f⟩
Soft Matter, Royal Society of Chemistry, 2018, 14 (19), pp.3987-3997. ⟨10.1039/C7SM02443F⟩
Soft Matter, 2018, 14 (19), pp.3987-3997. ⟨10.1039/C7SM02443F⟩
International audience; Layers obtained by drying a colloidal dispersion of silica spheres are found to be a good benchmark to test the elastic behaviour of porous media, in the challenging case of high porosities and nano-sized microstructures. Clas
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::83df74e42d8ce848810d4bcfc31a44f3
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10
Front shape and loading evolution during cracks coalescence using an incremental perturbation method
Autor: Laurène Legrand, Véronique Lazarus
Publikováno v: Engineering Fracture Mechanics
Engineering Fracture Mechanics, 2015, 133, pp.40--51. ⟨10.1016/j.engfracmech.2014.10.026⟩
When two planar penny-shape cracks propagate and become sufficiently close to interact, the local stress intensity factor becomes no more constant along the fronts so that the cracks shape gradually deforms. The aim of this paper is to quantify these
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bd6c09bf6215daa6a9e151cb48ccc665
https://doi.org/10.1016/j.engfracmech.2014.10.026
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