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Clément Keller

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Novel approach to optimize the mechanical properties of Cu-Al composite wires

Alireza Dashti , Clément Keller , Benoît Vieille , Alain Guillet
International Journal of Material Forming, 2022, 15 (3), pp.46. ⟨10.1007/s12289-022-01697-1⟩
Journal articles hal-03662065v1

Experimental and numerical investigations of plastic strain mechanisms of AISI 316L alloys with bimodal grain size distribution

Clément Keller , M. Calvat , B. Flipon , Fabrice Barbe
International Journal of Plasticity, 2022, pp.103246. ⟨10.1016/j.ijplas.2022.103246⟩
Journal articles hal-03598953v1

Influence of a rescanning strategy with different laser powers on the microstructure and mechanical properties of Hastelloy X elaborated by powder bed fusion

Clément Keller , M. Mokhtari , B. Vieille , H. Briatta , P. Bernard et al.
Materials Science and Engineering: A, 2021, 803, pp.140474. ⟨10.1016/j.msea.2020.140474⟩
Journal articles hal-03133794v1

Size effects in cobalt plastically strained in tension: impact on gliding and twinning work hardening mechanisms

Eric Hug , Clément Keller , Pierre-Antoine Dubos , Mayerling Martinez Celis
Journal of Materials Research and Technology, 2021, 11, pp.1362-1377. ⟨10.1016/j.jmrt.2021.01.105⟩
Journal articles hal-03137062v1
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Experimental and Finite Element Analysis of the Tensile Behavior of Architectured Cu-Al Composite Wires

Alireza Dashti , Clément Keller , Benoit Vieille , Alain Guillet , Christophe Bouvet et al.
Materials, 2021, 14 (21), pp.6305. ⟨10.3390/ma14216305⟩
Journal articles hal-03396851v1

Investigations of powder reusing on microstructure and mechanical properties of Inconel 718 obtained by additive manufacturing

Elie Paccou , Morgane Mokhtari , Clément Keller , Josiane Nguejio , Williams Lefebvre et al.
Materials Science and Engineering: A, 2021, 828, pp.142113. ⟨10.1016/j.msea.2021.142113⟩
Journal articles hal-03467518v1

Exploring the Strain Hardening Mechanisms of Ultrafine Grained Nickel Processed by Spark Plasma Sintering

Lucía García de La Cruz , Mayerling Martinez Celis , Clément Keller , Eric Hug
Metals, 2021, 11 (1), pp.65. ⟨10.3390/met11010065⟩
Journal articles hal-03133795v1
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Microstructure and mechanical properties characterization of architectured copper aluminum composites manufactured by cold-drawing

Clement Keller , F. Moisy , N. Nguyen , S. Eve , A. Dashti et al.
Materials Characterization, 2021, 172, pp.110824. ⟨10.1016/j.matchar.2020.110824⟩
Journal articles hal-03133793v1
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A full-field crystal-plasticity analysis of bimodal polycrystals

B. Flipon , Clément Keller , R. Quey , Fabrice Barbe
International Journal of Solids and Structures, 2020, 184, pp.178-192. ⟨10.1016/j.ijsolstr.2019.02.005⟩
Journal articles hal-02184404v1

A Characterization of the Damage Process under Buckling Load in Composite Reinforced by Flax Fibres

Meriem Fehri , Alexandre Vivet , Fakhreddine Dammak , Mohamed Haddar , Clément Keller et al.
Journal of Composites Science, 2020, 4 (3), pp.85. ⟨10.3390/jcs4030085⟩
Journal articles hal-02929343v1

Tunable surface boundary conditions in strain gradient crystal plasticity model

Sibo Yuan , Laurent Duchêne , Clément Keller , Eric Hug , Anne-Marie Habraken et al.
Mechanics of Materials, 2020, 145, pp.103393. ⟨10.1016/j.mechmat.2020.103393⟩
Journal articles hal-02929352v1
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Achieving good tensile properties in ultrafine grained nickel by spark plasma sintering

Lucía García de La Cruz , Mayerling Martinez , Clément Keller , Eric Hug
Materials Science and Engineering: A, 2020, 772, pp.138770. ⟨10.1016/j.msea.2019.138770⟩
Journal articles hal-02929365v1
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Elucidating the effect of bimodal grain size distribution on plasticity and fracture behavior of polycrystalline materials

Fabrice Barbe , Ivano Benedetti , Vincenzo Gulizzi , Mathieu Calvat , Clément Keller et al.
Journal of Multiscale Modelling, In press, ⟨10.1142/S1756973720500079⟩
Journal articles hal-02922183v1
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Investigations on the fracture behavior of Inconel 718 superalloys obtained from cast and additive manufacturing processes

B. Vieille , Clément Keller , M. Mokhtari , H. Briatta , T. Breteau et al.
Materials Science and Engineering: A, 2020, pp.139666. ⟨10.1016/j.msea.2020.139666⟩
Journal articles hal-02866794v1

Size effects and magnetoelastic couplings a link between Hall–Petch behaviour and coercive field in soft ferromagnetic metals

Eric Hug , Clément Keller
Philosophical Magazine, 2019, 99 (11), pp.1297-1326. ⟨10.1080/14786435.2019.1580397⟩
Journal articles hal-02929455v1

Study of a bcc multi-principal element alloy: Tensile and simple shear properties and underlying deformation mechanisms

L. Lilensten , J.-P. Couzinié , L. Perrière , A. Hocini , Clément Keller et al.
Acta Materialia, 2018, 142, pp.131-141. ⟨10.1016/j.actamat.2017.09.062⟩
Journal articles hal-02061382v1

Influence of the stacking fault energy and temperature on the prestrain memory effect of face centered cubic metal submitted to cyclic loadings

Clément Keller , Gaël Marnier , Wilson Veloz , Lakhdar Taleb
MATEC Web of Conferences, 2018, 165, pp.06008. ⟨10.1051/matecconf/201816506008⟩
Journal articles hal-02061751v1

Tensile properties of spark plasma sintered AISI 316L stainless steel with unimodal and bimodal grain size distributions

B. Flipon , Clément Keller , L. Garcia de La Cruz , E. Hug , Fabrice Barbe et al.
Materials Science and Engineering: A, 2018, 729, pp.249-256. ⟨10.1016/j.msea.2018.05.064⟩
Journal articles hal-02061657v1

Influence of intermetallic compounds on the electrical resistivity of architectured copper clad aluminum composites elaborated by a restacking drawing method

F. Moisy , A. Gueydan , X. Sauvage , Alain Guillet , Clément Keller et al.
Materials & Design, 2018, 155, pp.366-374. ⟨10.1016/j.matdes.2018.06.021⟩
Journal articles hal-02061499v1

Experimental contribution for better understanding of ratcheting in 304L SS

Lakhdar Taleb , Clément Keller
International Journal of Mechanical Sciences, 2017, ⟨10.1016/j.ijmecsci.2017.09.021⟩
Journal articles hal-01766036v1

Kocks-Mecking analysis of the size effects on the mechanical behavior of nickel polycrystals

Clément Keller , E. Hug
International Journal of Plasticity, 2017, 98, pp.106 - 122. ⟨10.1016/j.ijplas.2017.07.003⟩
Journal articles hal-01766068v1

Multiscale Analysis of the Pre-Hardening Effect on the Cyclic Behavior and Fatigue Life of 304L Stainless Steel

Adel Belattar , Clément Keller , Lakhdar Taleb
Materials Science and Engineering: A, 2016, 662, pp.468-480. ⟨10.1016/j.msea.2016.03.093⟩
Journal articles hal-01954204v1

Fatigue of OFHC Pure Copper and 316L Stainless Steel Subjected to Prior Tensile and Cyclic Prestrains

G. Marnier , Clément Keller , Lakhdar Taleb
International Journal of Fatigue, 2016, 91, pp.204-219. ⟨10.1016/j.ijfatigue.2016.06.009⟩
Journal articles hal-01954199v1

Fatigue of Extruded 2017A Aluminum Alloy Subjected to Non-Proportional Loading Paths

Omar Allaoui , Lakhdar Taleb , Mouaad Brik , Clément Keller , Gael Marnier et al.
Key Engineering Materials, 2016, 725, pp.334-338. ⟨10.4028/www.scientific.net/KEM.725.334⟩
Journal articles hal-01954205v1

Tensile Prestrain Memory Effect on Subsequent Cyclic Behavior of FCC Metallic Materials Presenting Different Dislocations Slip Modes

Gaël Marnier , Clément Keller , Lakhdar Taleb
International Journal of Plasticity, 2016, 78, pp.64-83. ⟨10.1016/j.ijplas.2015.11.001⟩
Journal articles hal-01954198v1

Influence of Spark Plasma Sintering Conditions on the Sintering and Functional Properties of an Ultra-Fine Grained 316L Stainless Steel Obtained from Ball-Milled Powder

Clément Keller , K. Tabalaiev , G. Marnier , J. Noudem , X. Sauvage et al.
Materials Science and Engineering: A, 2016, 665, pp.125-134. ⟨10.1016/j.msea.2016.04.039⟩
Journal articles hal-01954247v1

Towards a Better Understanding of the Ratcheting Phenomenon

Lakhdar Taleb , Clément Keller
Key Engineering Materials, 2016, 725, pp.33-40. ⟨10.4028/www.scientific.net/KEM.725.33⟩
Journal articles hal-01954211v1

Prediction of the Notched Strength of Woven-Ply PolyPhenylene Sulfide Thermoplastic Composites at a Constant High Temperature by a Physically-Based Model

Benoît Vieille , M. Chabchoub , D. Bouscarrat , Clément Keller
Composite Structures, 2016, 153, pp.529-537. ⟨10.1016/j.compstruct.2016.06.047⟩
Journal articles hal-01954212v1

Size effects and temperature dependence on strain-hardening mechanisms in some face centered cubic materials

E. Hug , P.A. Dubos , Clément Keller , L. Duchêne , A.M. Habraken et al.
Mechanics of Materials, 2015, 91, pp.136-151. ⟨10.1016/j.mechmat.2015.07.001⟩
Journal articles hal-02177753v1

Size effects and Hall–Petch relation in polycrystalline cobalt

Gwendoline Fleurier , Eric Hug , Mayerling Martinez , Pierre-Antoine Dubos , Clément Keller et al.
Philosophical Magazine Letters, 2015, 95 (2), pp.122-130. ⟨10.1080/09500839.2015.1020351⟩
Journal articles hal-02177763v1

Effect of stress path on the miniaturization size effect for nickel polycrystals

Clément Keller , E. Hug , A.M. Habraken , L. Duchêne
International Journal of Plasticity, 2015, 64, pp.26-39. ⟨10.1016/j.ijplas.2014.07.001⟩
Journal articles hal-02177750v1

Correlation between post fire behavior and microstructure degradation of aeronautical polymer composites

Benoît Vieille , Alexis Coppalle , Clémént Keller , M. Rose Garda , Quentin Viel et al.
Materials & Design, 2015, 74, pp.76--85. ⟨10.1016/j.matdes.2015.03.002⟩
Journal articles hal-01612372v1
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Irradiation resistance of a nanostructured 316 austenitic stainless steel

P Rajan , I. Monnet , E. Hug , Auriane Etienne , E Enikeev et al.
IOP Conference Series: Materials Science and Engineering, 2014, 63, pp.012121. ⟨10.1088/1757-899X/63/1/012121⟩
Journal articles hal-02174295v1

Functional properties of a spark plasma sintered ultrafine-grained 316L steel

Gaël Marnier , Clément Keller , Jacques Noudem , Eric Hug
Materials & Design, 2014, 63, pp.633-640. ⟨10.1016/j.matdes.2014.06.053⟩
Journal articles hal-02153423v1

Size Effects in Thin Face-Centered Cubic Metals for Different Complex Forming Loadings

Pierre-Antoine Dubos , Eric Hug , Simon Thibault , Mohamed Ben Bettaieb , Clément Keller et al.
Metallurgical and Materials Transactions A, 2013, 44 (12), pp.5478-5487. ⟨10.1007/s11661-013-1892-7⟩
Journal articles hal-02271152v1

Temperature dependence and size effects on strain hardening mechanisms in copper polycrystals

E. Hug , P.A. Dubos , Clément Keller
Materials Science and Engineering: A, 2013, 574, pp.253-261. ⟨10.1016/j.msea.2013.03.025⟩
Journal articles hal-02271131v1

Experimental analysis of the dynamic strain ageing for a modified T91 martensitic steel

Clément Keller , M.M. Margulies , I. Guillot
Materials Science and Engineering: A, 2012, 536, pp.273-275. ⟨10.1016/j.msea.2011.12.031⟩
Journal articles hal-02271135v1

Finite element investigation of size effects on the mechanical behavior of nickel single crystals

Clément Keller , A.M. Habraken , L. Duchêne
Materials Science and Engineering: A, 2012, 550 (12), pp.342-349. ⟨10.1016/j.msea.2012.04.085⟩
Journal articles hal-02271191v1

On the numerical integration of rate independent single crystal behavior at large strain

Mohamed Ben Bettaieb , Olivier Débordes , Abdelwaheb Dogui , Laurent Duchêne , Clémént Keller et al.
International Journal of Plasticity, 2012, 32-33, pp.184-217. ⟨10.1016/j.ijplas.2011.10.010⟩
Journal articles hal-00703924v1

Finite element analysis of the free surface effects on the mechanical behavior of thin nickel polycrystals

Clément Keller , E. Hug , A.M. Habraken , L. Duchene
International Journal of Plasticity, 2012, 29, pp.155-172. ⟨10.1016/j.ijplas.2011.08.007⟩
Journal articles hal-02124791v1

Microstructural size effects on mechanical properties of high purity nickel

Clément Keller , E. Hug , X. Feaugas
International Journal of Plasticity, 2011, 27 (4), pp.635-654. ⟨10.1016/j.ijplas.2010.08.002⟩
Journal articles hal-02124784v1

Direct correlation between strengthening mechanisms and electrical noise in strained copper wires

Natalia Bellido , Alain Pautrat , Clément Keller , Eric Hug
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2011, 83 (10), pp.104108. ⟨10.1103/PhysRevB.83.104108⟩
Journal articles hal-02929467v1

TEM study of dislocation patterns in near-surface and core regions of deformed nickel polycrystals with few grains across the cross section

Clément Keller , E. Hug , R. Retoux , X. Feaugas
Mechanics of Materials, 2010, 42 (1), pp.44-54. ⟨10.1016/j.mechmat.2009.09.002⟩
Journal articles hal-02124789v1

Intrinsic Effects due to the Reduction of Thickness on the Mechanical Behavior of Nickel Polycrystals

Eric Hug , Clément Keller
Metallurgical and Materials Transactions A, 2010, 41 (10), pp.2498-2506. ⟨10.1007/s11661-010-0286-3⟩
Journal articles hal-02271118v1

Influence of the temperature on the tensile behaviour of a modified 9Cr–1Mo T91 martensitic steel

Clément Keller , M.M. Margulies , Z. Hadjem-Hamouche , I. Guillot
Materials Science and Engineering: A, 2010, 527 (24-25), pp.6758-6764. ⟨10.1016/j.msea.2010.07.021⟩
Journal articles hal-02124790v1

Application of the Monkman–Grant law to the creep fracture of nodular cast irons with various matrix compositions and structures

E. Hug , C. Keller , Jérôme Favergeon , K. Dawi
Materials Science and Engineering: A, 2009, 518 (1-2), pp.65 - 75. ⟨10.1016/j.msea.2009.04.020⟩
Journal articles hal-01911368v1

On the origin of the stress decrease for nickel polycrystals with few grains across the thickness

Clément Keller , E. Hug , D. Chateigner
Materials Science and Engineering: A, 2009, 500 (1-2), pp.207-215. ⟨10.1016/j.msea.2008.09.054⟩
Journal articles hal-02124788v1

Hall–Petch behaviour of Ni polycrystals with a few grains per thickness

Clément Keller , Eric Hug
Materials Letters, 2008, 62 (10-11), pp.1718-1720. ⟨10.1016/j.matlet.2007.09.069⟩
Journal articles hal-02124787v1

Influence of the size effect on work hardening behaviour in stage II of Ni20wt.%Cr

Mathieu Rudloff , Marion Risbet , Clément Keller , Eric Hug
Materials Letters, 2008, 62 (20), pp.3591-3593. ⟨10.1016/j.matlet.2008.03.058⟩
Journal articles hal-02889635v1

Elaboration of austenitic stainless steel samples with bimodal grain size distributions and investigation of their mechanical behavior

B. Flipon , L. Garcia de la Cruz , E. Hug , Clément Keller , Fabrice Barbe et al.
Conference papers hal-01766016v1
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Influence de la température sur le comportement mécanique de pièces métalliques miniaturisées

Pierre-Antoine Dubos , Clément Keller , Mayerling Martinez Celis , Eric Hug
Journées Annuelles de la SF2M 2021, Oct 2021, Caen, France
Conference papers hal-03409082v1
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Overview of focal plane wavefront sensors to correct for the Low Wind Effect on SUBARU/SCExAO

Sébastien Vievard , Steven P. Bos , Frédéric Cassaing , Alban Ceau , Olivier Guyon et al.
6th International Conference on Adaptive Optics for Extremely Large Telescopes, AO4ELT 2019, Jun 2019, Quebec City, Canada
Conference papers hal-02872112v1

Mechanical characterization by traction and small punch tests of ultra-fine grained AISI 316L with bimodal grain size distributions

Clément Keller , B. Flipon , M. Diez , M. Serrano
PROCEEDINGS OF THE 22ND INTERNATIONAL ESAFORM CONFERENCE ON MATERIAL FORMING: ESAFORM 2019, 2018, Vitoria-Gasteiz, France. pp.160002, ⟨10.1063/1.5112699⟩
Conference papers hal-02929368v1

Nanostructuration of metals via spark plasma sintering using activated powder obtained by ball-milling: Impact on the strain-hardening mechanisms

Lucía García de La Cruz , Baptiste Flipon , Clémént Keller , Mayerling Martinez , Eric Hug et al.
IGNITE-AICCE’17 : Sustainable Technology And Practice For Infrastructure and Community Resilience, Aug 2017, Penang, Malaysia. pp.200002, ⟨10.1063/1.5008239⟩
Conference papers hal-01766097v1

Spark plasma sintering of ultrafine grained aisi 316L and functional properties characterization

Clément Keller , G. Marnier , K. Tabalaiev , E. Hug , L.G. de La Cruz et al.
2015 International Conference on Powder Metallurgy & Particulate Materials, 2015, San Diego, United States. pp.1-12
Conference papers hal-02184191v1

Accounting for Size Dependence on the meso- or on the Micro-scale in Polycrystalline Plasticity. A Comparative Study for Different Grain Size Distributions

Mathieu Calvat , Baptiste Flipon , Clément Keller , Fabrice Barbe
In: Atluri S.N., Vušanović I. (eds) Computational and Experimental Simulations in Engineering. ICCES 2021. Mechanisms and Machine Science, vol 98. Springer, Cham, pp.339-347, 2021, ⟨10.1007/978-3-030-67090-0_28⟩
Book sections hal-03244675v1
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MODELLING OF POLYCRYSTALS USING WELL-CONTROLLED VORONOI-TYPE TESSELLATIONS AND ITS APPLICATIONS TO MICROMECHANICAL ANALYSES

Baptiste Flipon , L Milhem , Clément Keller , Romain Quey , Fabrice Barbe et al.
F. Willot and S. Forest Eds. International Workshop on the Physics and Mechanics of Random Structures: from Morphology to Material Properties, Presse des Mines, 2018, 978-2-35671-529-6
Book sections hal-01916848v1