Zobrazeno 1 - 10 of 19 pro vyhledávání: '"Mikael Gueguen"'
1
How macrozone size and morphology influence yield in titanium alloys investigated using fast Fourier transform-based crystal plasticity simulations
Autor: S. Hémery, Mikael Gueguen, Azdine Nait-Ali
Publikováno v: International Journal of Solids and Structures. 216:1-16
Titanium alloys exhibit complex microstructures containing heterogeneities at different lengthscales. Although the size of primary α grains is typically in the micrometer range, processing of α / β titanium alloys can introduce millimeter long clu
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cc46b9372971d555ec78b3d874468d89
https://doi.org/10.1016/j.ijsolstr.2021.01.008
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3
Non-local modeling with asymptotic expansion homogenization of random materials
Autor: Azdine Nait-Ali, Sami Ben Elhaj Salah, Mikael Gueguen, Carole Nadot-Martin
Publikováno v: Mechanics of Materials
Mechanics of Materials, Elsevier, 2020, 147, pp.103459-. ⟨10.1016/j.mechmat.2020.103459⟩
The aim of this study is to build a non-local homogenized model for three-dimensional composites with inclusions randomly embedded within a matrix according to a stochastic point process w = ( w i ) i ∈ N in a bounded open set of R 3 associated wit
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8608cf11fc5c312025dc860a7b127aed
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4
A 3D analysis of the onset of slip activity in relation to the degree of micro-texture in Ti–6Al–4V
Autor: Andrew T. Polonsky, McLean P. Echlin, Azdine Nait-Ali, J. Wendorf, Jean Charles Stinville, Mikael Gueguen, Tresa M. Pollock, S. Hémery, Patrick Villechaise
Publikováno v: Acta Materialia
Acta Materialia, Elsevier, 2019, 181, pp.36-48. ⟨10.1016/j.actamat.2019.09.028⟩
International audience; The mechanical properties of titanium alloys result from their complex multi-scale microstructural features, including micron scale precipitates and millimeter scale microtextured regions (MTRs). While previous investigations
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1ab62712a07df80c9c68c8d1efa4a0f3
https://hal.archives-ouvertes.fr/hal-03098836
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5
Mechanical study of crystalline orientation distribution in Ti-6Al-4V: An assessment of micro-texture induced load partitioning
Autor: Mikael Gueguen, P. Villechaise, S. Hémery, Azdine Nait-Ali
Publikováno v: Materials & Design, Vol 137, Iss, Pp 22-32 (2018)
Materials and Design
Materials and Design, Elsevier, 2018, 137, pp.22-32. ⟨10.1016/j.matdes.2017.10.011⟩
Microtextured regions are known to have a detrimental effect on the fatigue performance of near α and α/β titanium alloys. Due to the elastic anisotropy of α titanium, stress heterogeneities are expected to result from such microstructural featur
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b0603b86a55e30588a91ea3a0c398581
https://doi.org/10.1016/j.matdes.2017.10.011
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6
Image-based modeling of moisture-induced swelling and stress in 2D textile composite materials using a global-local approach
Autor: Marco Gigliotti, Mikael Gueguen, Y. Sinchuk, Yannick Pannier
Publikováno v: Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science
Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, SAGE Publications, 2017, 232 (8), pp.1505-1519. ⟨10.1177/0954406217736789⟩
International audience; We describe a new method to quantify the anisotropy ratio of hydric strains acquired at the gallery scale and over a period of at least one year. This method was applied in the context of an investigation conducted on a galler
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cd1e05fffd87e87a78d6f443d020445a
https://doi.org/10.1177/0954406217736789
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7
The Onset of Slip Activity in Relation to the Degree of Micro-Texture in Ti-6Al-4V
Autor: Azdine Nait-Ali, Patrick Villechaise, Mikael Gueguen, S. Hémery, J. Wendorf, Tresa M. Pollock, McLean P. Echlin, Jean Charles Stinville, Andrew T. Polonsky
Publikováno v: SSRN Electronic Journal.
The mechanical properties of titanium alloys result from their complex multi-scale microstructural features such as micron scale precipitates and millimeter scale microtextured regions (MTRs). Deformation processes that operate at the scale of the α
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d761b6715ecd13ea1d40374f30721f4b
https://doi.org/10.2139/ssrn.3411753
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8
Computed-tomography based modeling and simulation of moisture diffusion and induced swelling in textile composite materials
Autor: Y. Sinchuk, Mikael Gueguen, D. Tandiang, Yannick Pannier, Marco Gigliotti
Publikováno v: International Journal of Solids and Structures
International Journal of Solids and Structures, Elsevier, 2018, 154, pp.88-96. ⟨10.1016/j.ijsolstr.2017.05.045⟩
International audience; The present work focuses on computed-tomography based modeling and simulation of moisture diffusion and induced swelling in carbon fiber reinforced polymer (CFRP) materials. The meso-scale models are constructed using CT image
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0d8fdd704b5d04d7215129f9bc739b65
https://hal.archives-ouvertes.fr/hal-02292199
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9
DESIGN OF COMPOSITE FILAMENT WOUND PRESSURE VESSELS: MANAGEMENT OF SINGULARITIES IN MULTI-SEQUENCE DOME LAY-UP SIMULATIONS
Autor: Laurent Bizet, Philippe Saffré, Kevin Mathis, Damien Halm, Mikael GUEGUEN, Pascal Francescato
Publikováno v: Proceedings
ECCM18-18th European Conference on Composite Materials
ECCM18-18th European Conference on Composite Materials, Jun 2018, Athens, Greece
HAL
International audience; Composite pressure vessels made by filament winding processes are commonly used in aerospace design due to weight saving compared to metal parts. This technique involves complexities in analyzing the geometry especially in the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::705f67d4499b8a5fd981d17833c50a83
http://hal.univ-smb.fr/hal-01906860
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10
Multiscale damage modeling with the 'Morphological Approach' to highlight particle size and interaction effects in highly-filled particulate composites
Autor: G. Contesse, Carole Nadot-Martin, A. Fanget, M. Trombini, Damien Halm, Mikael Gueguen
Publikováno v: European Journal of Mechanics - A/Solids. 53:163-174
This paper concerns the modeling of interfacial damage in highly-filled particulate composites (e.g. solid propellants), thanks to a specific multi-scale approach recently developed, called “Morphological Approach”. This approach was shown to pro
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a8d9dc566d470060bc07f955dbdab4da
https://doi.org/10.1016/j.euromechsol.2015.04.004
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