Lionel Leotoing

101
Documents

Présentation

Mes compétences

Identification du comportement rhéologique des matériaux métalliques sous sollicitations complexes, caractérisation de la formabilité des tôles métalliques, méthodologie de caractérisation statique et dynamique sous chargement biaxial, simulation des procédés de mise en forme des tôles, instabilités et effets d'échelle dans les structures hétérogènes de type sandwich

Publications

1
5
8
5
4
1
4
7
2
3
4
9
8
6
2
5
7
1
4
2
2
2
1
4
1
3
8
4
3
3
3
3
3
3
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Publications

Biaxial tensile test meets unsupervised learning: a novel strategy for accurate constitutive modeling

Zhihao Wang , Dominique Guines , Xingrong Chu , Lionel Leotoing , Wenke Wang

Engineering Applications of Artificial Intelligence, 2026, 168, pp.114028. ⟨10.1016/j.engappai.2026.114028⟩

Article dans une revue hal-05545613v1

Establishment and verification of anisotropic ductile fracture criteria applicable to AA6016-T4 incremental forming

Chengxin Liu , Xingrong Chu , Qi Xu , Jiaqi Chen , Zhenming Yue et al.

Engineering Fracture Mechanics, 2025, 316, pp.110906. ⟨10.1016/j.engfracmech.2025.110906⟩

Article dans une revue hal-04984670v1

Novel thermo-viscoplastic characterization method for glass fiber-reinforced thermoplastics

Josephine Faddoul , Pierre Rahme , Dominique Guines , Lionel Leotoing

Composites Science and Technology, 2025, 275, pp.111492. ⟨10.1016/j.compscitech.2025.111492⟩

Article dans une revue hal-05495236v1
Deposit thumbnail

Prediction of temperature and strain rate dependent flow behaviors for AA6061-T4 sheet using phenomenology and machine learning-based approaches

Zhihao Wang , D. Guines , Jiashuo Qi , Xingrong Chu , L Leotoing

Transactions of Nonferrous Metals Society of China, 2025, 35 (11), pp.3617-3637. ⟨10.1016/S1003-6326(25)66902-0⟩

Article dans une revue hal-05453881v1

Modelling of mechanical performance by finite element analysis of compressive bone staples made of superelastic NiTi and Ti-Zr-Nb-Sn alloys

Tianyu Jia , Lionel Leotoing , Dominique Guines , Thierry Gloriant

Journal of the mechanical behavior of biomedical materials, 2025, 173, pp.107239. ⟨10.1016/j.jmbbm.2025.107239⟩

Article dans une revue hal-05354034v1
Deposit thumbnail

Finite element analysis of a low modulus Ti-20Zr-3Mo-3Sn alloy designed to reduce the stress shielding effect of a hip prosthesis

Tianyu Jia , Dominique Guines , Doina-Margareta Gordin , Lionel Leotoing , Thierry Gloriant

Journal of the mechanical behavior of biomedical materials, 2024, 157, pp.106640. ⟨10.1016/j.jmbbm.2024.106640⟩

Article dans une revue hal-04692619v1

Failure Analysis of Glass/Epoxy Composite Subjected to Different In-Plane Biaxial Loading Conditions

A. Kobeissi , P Rahme , Lionel Leotoing , Dominique Guines

Applied Composite Materials, 2024, ⟨10.1007/s10443-024-10297-y⟩

Article dans une revue hal-04872846v1
Deposit thumbnail

Identification of thermo-viscoplastic behavior for AA6061 under in-plane biaxial loadings

J Liang , Dominique Guines , Lionel Leotoing

Mechanics of Materials, 2024, Mechanics of Materials, 189, pp.104898. ⟨10.1016/j.mechmat.2023.104898⟩

Article dans une revue hal-04395745v1
Deposit thumbnail

Finite element analysis of the mechanical performance of self-expanding endovascular stents made with new nickel-free superelastic β-titanium alloys

Tianyu Jia , Dominique Guines , Denis Laillé , Lionel Leotoing , Thierry Gloriant

Journal of the mechanical behavior of biomedical materials, 2024, Journal of the Mechanical Behavior of Biomedical Materials, 151, pp.106345. ⟨10.1016/j.jmbbm.2023.106345⟩

Article dans une revue hal-04395165v1
Deposit thumbnail

A novel mechanical attachment for biaxial tensile test: Application to formability evaluation for DP590 at different temperatures

Zhihao Wang , Xingrong Chu , Zhenming Yue , Lionel Leotoing , Hong-Jun Gao

Journal of Materials Research and Technology, 2024, Journal of Materials Research and Technology, 28, pp.4025-4039. ⟨10.1016/j.jmrt.2024.01.023⟩

Article dans une revue hal-04432241v1
Deposit thumbnail

Prediction and characterization of forming limits at necking from shear to equi-biaxial loading using the biaxial tensile testing method: Feasibility study and application to AA6061-T4

Z. Wang , D. Guines , X. Chu , L. Leotoing

Mechanics of Materials, 2023, 179, pp.104598. ⟨10.1016/j.mechmat.2023.104598⟩

Article dans une revue hal-04019379v1
Deposit thumbnail

Thermo-visco mechanical behavior of glass fiber reinforced thermoplastic composite

Josephine Faddoul , Pierre Rahme , Dominique Guines , Lionel Leotoing

Journal of Composite Materials, 2023, 57 (23), ⟨10.1177/00219983231192147⟩

Article dans une revue hal-04197784v1
Deposit thumbnail

Instrumented indentation for determining stress and strain levels of prestrained DC01 sheets

Mohamad Idriss , Olivier Bartier , Dominique Guines , Lionel Leotoing , Gérard Mauvoisin et al.

International Journal of Mechanical Sciences, 2023, 238, pp.107833. ⟨10.1016/j.ijmecsci.2022.107833⟩

Article dans une revue hal-03903807v1

Characterization of forming limits at fracture from shear to plane strain with a dedicated cruciform specimen

Z. Wang , Dominique Guines , X. Chu , Lionel Leotoing

International Journal of Material Forming, 2022, 15 (1), pp.7. ⟨10.1007/s12289-022-01658-8⟩

Article dans une revue hal-03592767v1
Deposit thumbnail

Relevant material characterization for load prediction in incremental forming

A. Abdelkefi , Dominique Guines , Lionel Leotoing , S. Thuillier

International Journal of Material Forming, 2022, 15 (3), pp.23. ⟨10.1007/s12289-022-01676-6⟩

Article dans une revue hal-03631021v1
Deposit thumbnail

Strength characterization of glass/epoxy plain weave composite under different biaxial loading ratios

A. Kobeissi , P. Rahme , L. Leotoing , D. Guines

Journal of Composite Materials, 2020, 54 (19), pp.2549-2563. ⟨10.1177/0021998319899135⟩

Article dans une revue hal-02470228v1

Experimental investigation of punch curvature influence in Nakazima test and numerical FLD prediction of AA5086

Xingrong Chu , Z Wang , C Chen , Shuxia Lin , Lionel Leotoing

Ferroelectrics, 2020, 565 (1), pp.12-25. ⟨10.1080/00150193.2020.1761714⟩

Article dans une revue hal-02996526v1
Deposit thumbnail

Effects of Strain Path Changes on the Kinematics and the Intrinsic Dissipation Accompanying PLC Bands in Al-Mg Alloys

Lionel Leotoing , D. Guines , Eric Robin , Jean-Benoit Le Cam

Experimental Mechanics, 2019, 59 (7), pp.963-977. ⟨10.1007/s11340-019-00491-6⟩

Article dans une revue hal-02095833v1
Deposit thumbnail

Identification of 7B04 aluminum alloy anisotropy yield criteria with conventional test and Pottier test at elevated temperature

Z. Wang , S. Zang , X. Chu , S. Zhang , Lionel Leotoing

Results in Physics, 2019, 15, pp.102655. ⟨10.1016/j.rinp.2019.102655⟩

Article dans une revue hal-02310257v1
Deposit thumbnail

Effect of continuous strain path changes on forming limit strains of DP600

Xiao Song , L. Leotoing , Dominique Guines , Eric Ragneau

Strain, 2019, 55 (6), ⟨10.1111/str.12329⟩

Article dans une revue hal-02328681v1
Deposit thumbnail

Characterization of forming limits at fracture with an optimized cruciform specimen: Application to DP600 steel sheets

Xiao Song , Lionel Leotoing , Dominique Guines , Eric Ragneau

International Journal of Mechanical Sciences, 2017, 126, pp.35-43. ⟨10.1016/j.ijmecsci.2017.03.023⟩

Article dans une revue hal-01493246v1
Deposit thumbnail

Calorimetric analysis of Portevin-Le Chatelier bands under equibiaxial loading conditions in Al–Mg alloys: Kinematics and mechanical dissipation

Jean-Benoit Le Cam , Eric Robin , Lionel Leotoing , Dominique Guines

Mechanics of Materials, 2017, 105, pp.80-88. ⟨10.1016/j.mechmat.2016.11.012⟩

Article dans une revue hal-01484632v1
Deposit thumbnail

Investigation of the forming limit strains at fracture of AA5086 sheets using an in-plane biaxial tensile test

Xiao Song , Lionel Leotoing , Dominique Guines , Eric Ragneau

Engineering Fracture Mechanics, 2016, 163, pp.130-140. ⟨10.1016/j.engfracmech.2016.07.007⟩

Article dans une revue hal-01359364v1
Deposit thumbnail

Identification of strain rate-dependent mechanical behaviour of DP600 under in-plane biaxial loadings

Wei Liu , Dominique Guines , Lionel Leotoing , Eric Ragneau

Materials Science and Engineering: A, 2016, 676, pp.366 - 376. ⟨10.1016/j.msea.2016.08.125⟩

Article dans une revue hal-01394743v1
Deposit thumbnail

Analytical and numerical analysis of a “springback-forming” process dedicated to stiffened panels

Mohamed El Amine Ait Ali , Dominique Guines , Lionel Leotoing , Eric Ragneau

International Journal of Mechanical Sciences, 2015, 101-102, pp.399-410. ⟨10.1016/j.ijmecsci.2015.07.031⟩

Article dans une revue hal-01203618v1
Deposit thumbnail

Dedicated linear – Voce model and its application in investigating temperature and strain rate effects on sheet formability of aluminum alloys

Cunsheng Zhang , Xingrong Chu , Dominique Guines , Lionel Leotoing , Jie Ding et al.

Materials & Design, 2015, 67, pp.522-530. ⟨10.1016/j.matdes.2014.10.074⟩

Article dans une revue hal-01151211v1
Deposit thumbnail

Identification of sheet metal hardening for large strains with an in-plane biaxial tensile test and a dedicated cross specimen

Wei Liu , Dominique Guines , Lionel Leotoing , Eric Ragneau

International Journal of Mechanical Sciences, 2015, 101-102, pp.387-398. ⟨10.1016/j.ijmecsci.2015.08.022⟩

Article dans une revue hal-01203625v1
Deposit thumbnail

Investigation of the influence of the initial groove angle in the M–K model on limit strains and forming limit curves

Jie Ding , Cunsheng Zhang , Xingrong Chu , Guoqun Zhao , Lionel Leotoing et al.

International Journal of Mechanical Sciences, 2015, 98, pp.59-69. ⟨10.1016/j.ijmecsci.2015.04.011⟩

Article dans une revue hal-01157312v1
Deposit thumbnail

Effect of material thermo-viscoplastic modeling on the prediction of forming limit curves of aluminium alloy 5086

Xingrong Chu , Lionel Leotoing , Dominique Guines , Eric Ragneau

Journal of Materials Engineering and Performance, 2015, 24 (9), pp.3459-3470. ⟨10.1007/s11665-015-1643-6⟩

Article dans une revue hal-01186216v1
Deposit thumbnail

Investigations of the effect of strain path changes on forming limit curves using an in-plane biaxial tensile test

Lionel Leotoing , Dominique Guines

International Journal of Mechanical Sciences, 2015, 99, pp.21-28. ⟨10.1016/j.ijmecsci.2015.05.007⟩

Article dans une revue hal-01157311v1
Deposit thumbnail

Potential of the Cross Biaxial Test for Anisotropy Characterization Based on Heterogeneous Strain Field

Shunying Zhang , Lionel Leotoing , Dominique Guines , Sandrine Thuillier

Experimental Mechanics, 2015, 55 (5), pp.817-835. ⟨10.1007/s11340-014-9983-y⟩

Article dans une revue hal-01151222v1
Deposit thumbnail

Calibration of anisotropic yield criterion with conventional tests or biaxial test

Shunying Zhang , Lionel Leotoing , Dominique Guines , Sandrine Thuillier , Shun-Lai Zang

International Journal of Mechanical Sciences, 2014, 85, pp.142-151. ⟨10.1016/j.ijmecsci.2014.05.020⟩

Article dans une revue hal-01005604v1
Deposit thumbnail

Temperature and strain rate influence on AA5086 Forming Limit Curves: experimental results and discussion on the validity of the M-K model

Xingrong Chu , Lionel Leotoing , Dominique Guines , Eric Ragneau

International Journal of Mechanical Sciences, 2014, 78, pp.27-34. ⟨10.1016/j.ijmecsci.2013.11.002⟩

Article dans une revue hal-00917253v1
Deposit thumbnail

A Process/Machine coupling approach: Application to Robotized Incremental Sheet Forming

Jérémy Belchior , Lionel Leotoing , Dominique Guines , Eric Courteille , Patrick Maurine

Journal of Materials Processing Technology, 2014, 214 (8), pp.1605-1616. ⟨10.1016/j.jmatprotec.2014.03.005⟩

Article dans une revue hal-00966854v1
Deposit thumbnail

Comparison of constitutive laws on the modeling of thermo-viscoplastic behaviour of an aluminum alloy

Xingrong Chu , Lionel Leotoing , Dominique Guines , Jun Gao

Applied Mechanics and Materials, 2014, 496-500, pp.307-310. ⟨10.4028/www.scientific.net/AMM.496-500.307⟩

Article dans une revue hal-00953769v1
Deposit thumbnail

Off-line compensation of the tool path deviations on robotic machining : Application to incremental sheet forming

Jérémy Belchior , Mario Guillo , Eric Courteille , Patrick Maurine , Lionel Leotoing et al.

Robotics and Computer-Integrated Manufacturing, 2013, 29 (4), pp.58-69. ⟨10.1016/j.rcim.2012.10.008⟩

Article dans une revue hal-00926215v1
Deposit thumbnail

Cruciform shape benefits for experimental and numerical evaluation of sheet metal formability

Lionel Leotoing , Dominique Guines , Ibrahim Zidane , Eric Ragneau

Journal of Materials Processing Technology, 2013, 213, pp.856-863. ⟨10.1016/j.jmatprotec.2012.12.013⟩

Article dans une revue hal-00806279v1

A Comparative Study of Different Necking Criteria for Numerical and Experimental Prediction of FLCs (vol 20, pg 1036, 2011)

Cunsheng Zhang , Lionel Leotoing , Guoqun Zhao , Dominique Guines , Eric Ragneau

Journal of Materials Engineering and Performance, 2012, 21 (1), pp.120. ⟨10.1007/s11665-010-9784-0⟩

Article dans une revue hal-01068933v1

A comparative study of different necking criteria for numerical and experimental prediction of FLCs

Cunsheng Zhang , Lionel Leotoing , Guoqun Zhao , Dominique Guines , Eric Ragneau

Journal of Materials Engineering and Performance, 2011, 20 (6), pp.1036-1042. ⟨10.1007/s11665-010-9729-7⟩

Article dans une revue istex hal-00806305v1

A methodology for evaluating sheet formability combining the tensile test with the M-K model

Cunsheng Zhang , Lionel Leotoing , Guoqun Zhao , Dominique Guines , Eric Ragneau

Materials Science and Engineering: A, 2010, 528, pp.480-485. ⟨10.1016/j.msea.2010.09.001⟩

Article dans une revue istex hal-00981684v1
Deposit thumbnail

Development of an in-plane biaxial test for forming limit curve (FLC) characterization of metallic sheets

Ibrahim Zidane , Dominique Guines , Lionel Leotoing , Eric Ragneau

Measurement Science and Technology, 2010, 21, pp.1-11. ⟨10.1088/0957-0233/21/5/055701⟩

Article dans une revue hal-00981719v1
Deposit thumbnail

Experimental and numerical study on effect of forming rate on AA5086 sheet formability

Cunsheng Zhang , Lionel Leotoing , Dominique Guines , Eric Ragneau

Materials Science and Engineering: A, 2010, 527, pp.967-972. ⟨10.1016/j.msea.2009.09.013⟩

Article dans une revue hal-00979414v1
Deposit thumbnail

Theoretical and numerical study of strain rate influence on AA5083 formability

Cunsheng Zhang , Lionel Leotoing , Dominique Guines , Eric Ragneau

Journal of Materials Processing Technology, 2009, 209, pp.3849-3858. ⟨10.1016/j.jmatprotec.2008.09.003⟩

Article dans une revue hal-00983355v1
Deposit thumbnail

Effects of a strain rate sensitive material on the optimization of an hydroforming process

Cunsheng Zhang , Lionel Leotoing , Dominique Guines , Eric Ragneau

International Journal of Material Forming, 2008, pp.335-338. ⟨10.1007/s12289-008-0063-7⟩

Article dans une revue hal-01027761v1
Deposit thumbnail

New analytical method to evaluate the powerplant and chassis coupling in the improvement vehicle NVH

Eric Courteille , Lionel Leotoing , Frédéric Mortier , Eric Ragneau

European Journal of Mechanics - A/Solids, 2005, 24, pp.929-943. ⟨10.1016/j.euromechsol.2005.04.004⟩

Article dans une revue hal-00911592v1

First applications of a novel unified model for global and local buckling of sandwich columns.

L. Leotoing , Sylvain Drapier , Alain Vautrin

European Journal of Mechanics - A/Solids, 2002, 21, pp.683-701

Article dans une revue hal-00297546v1

Nonlinear interaction of geometrical and material properties in sandwich beam instabilities.

L. Leotoing , Sylvain Drapier , Alain Vautrin

International Journal of Solids and Structures, 2002, 39, pp.3717-3739

Article dans une revue hal-00297471v1
Deposit thumbnail

Determination of a machine learning constitutive model from biaxial tensile test: application to thermal forming limits prediction of AA6061 sheets from shear to equi-biaxial tension

Zhihao Wang , Dominique Guines , Lionel Leotoing

ESAFORM 2025, May 2025, Paestum, Italy. pp.1891 - 1900, ⟨10.21741/9781644903599-203⟩

Communication dans un congrès hal-05115130v1
Deposit thumbnail

Investigations on the temperature and strain rate dependent behavior of a reinforced thermoplastic: application in hot incremental forming

Josephine Faddoul , Pierre Rahme , Dominique Guines , Lionel Leotoing

27th International ESAFORM Conference on Material Forming (ESAFORM 2024), Apr 2024, Toulouse, France. pp.2252-2260, ⟨10.21741/9781644903131-248⟩

Communication dans un congrès hal-04591623v1

Characterization and modelling of dynamic plasticity and fracture behavior of sheet metal under multiaxial loading

Chongyang Zeng , Xiangfan Fang , Lionel Leotoing , Dominique Guines

DYMAT 2024, Sep 2024, Zurich, Switzerland

Communication dans un congrès hal-04743058v1

Finite element analysis of the mechanical performance of self expanding endovascular stents made with new nickel-free superelastic β-titanium alloys and fatigue life prediction

Tianyu Jia , Dominique Guines , Denis Laillé , Lionel Leotoing , Thierry Gloriant

ESOMAT 2024, Aug 2024, Lecco, Italy

Communication dans un congrès hal-04742991v1
Deposit thumbnail

Calibration of thermo-viscoplastic constitutive model under biaxial loadings: A Feasibility Study

Zhihao Wang , Dominique Guines , Lionel Leotoing

International ESAFORM Conference 2023, Apr 2023, Krakow, Poland. pp.1397-1406, ⟨10.21741/9781644902479-151⟩

Communication dans un congrès hal-04093006v1
Deposit thumbnail

Suitability evaluation of pre-formed cruciform sample without thickness reduction for high strain values in the center of the specimen under different strains paths

Grzegorz Mitukiewicz , Lionel Leotoing , Guan Wang , Dominique Guines , Jaroslaw Goszczak et al.

International ESAFORM Conference 2023, Apr 2023, Krakow, Poland. pp.1463-1470, ⟨10.21741/9781644902479-158⟩

Communication dans un congrès hal-04093031v1
Deposit thumbnail

Influence of criteria on the determination of forming limits in thickness reduced cruciform specimens

Zhihao Wang , Dominique Guines , L Leotoing

International Deep-Drawing Research Group Conference (IDDRG 2022), 2022, Lorient, France. ⟨10.1088/1757-899x/1238/1/012051⟩

Communication dans un congrès hal-03789239v1
Deposit thumbnail

Effect of temperature and strain rate on the mechanical behavior of discontinuous glass fibre reinforced thermoplastic composite

Josephine Faddoul , Pierre Rahme , Dominique Guines , Lionel Leotoing

25ème Congrès Français de Mécanique, Aug 2022, Nantes, France

Communication dans un congrès hal-03789780v1

Effect of microstructure on the formability of Ti21S alloy

Cai Hu , Lionel Leotoing , Philippe Castany , Dominique Guines , Thierry Gloriant

24th International ESAFORM Conference on Material Forming, 2021, Liege, France. ⟨10.25518/esaform21.1630⟩

Communication dans un congrès hal-03417257v1

Numerical investigation on cruciform composite shape for the biaxial characterization test

A. Kobeissi , Lionel Leotoing , Dominique Guines , P. Rahme

18th European Conference on Composite Materials, ECCM 2018, Jun 2018, Athens, Greece

Communication dans un congrès hal-03103522v1
Deposit thumbnail

Effect of temperature and strain rate on the plastic anisotropic behavior characterized by a single biaxial tensile test

Jiabin Liang , Dominique Guines , Lionel Leotoing

23rd International Conference on Material Forming (ESAFORM 2020), May 2020, Cottbus, Germany. pp.1532-1539, ⟨10.1016/j.promfg.2020.04.346⟩

Communication dans un congrès hal-02892745v1
Deposit thumbnail

Incremental forming of Titanium T40 sheet: experimental and numerical investigations

A. Abdelkefi , D. Guines , L. Leotoing , S. Thuillier

24ème Congrès Français de Mécanique, Aug 2019, Brest, France

Communication dans un congrès hal-02328578v1

Influence of the mechanical model of titanium T40 on the predicted forces during incremental forming process

A. Abdelkefi , D. Guines , Lionel Leotoing , S. Thuillier

22nd International ESAFORM Conference on Material Forming, ESAFORM 2019, May 2019, Vitoria-Gasteiz, Spain. pp.170010, ⟨10.1063/1.5112726⟩

Communication dans un congrès hal-02281899v1

Thermo-viscoplastic behavior of AA6061 under dynamic biaxial loadings

J. Liang , D. Guines , Lionel Leotoing

22nd International ESAFORM Conference on Material Forming, ESAFORM 2019, May 2019, Vitoria-Gasteiz, Spain. pp.180014, ⟨10.1063/1.5112752⟩

Communication dans un congrès hal-02281896v1
Deposit thumbnail

Failure stresses of plain weave glass/epoxy under different in-plane biaxial loading ratios

A. Kobeissi , D. Guines , P. Rahme , L. Leotoing

24ème Congrès Français de Mécanique, Aug 2019, Brest, France

Communication dans un congrès hal-02328601v1

Springback effects during single point incremental forming Optimization of the tool path

Laurence Giraud-Moreau , Jérémy Belchior , Pascal Lafon , Lionel Leotoing , Abel Cherouat et al.

21st International ESAFORM Conference on Material Forming, ESAFORM 2018, Apr 2018, Palermo, Italy. pp.160009, ⟨10.1063/1.5035035⟩

Communication dans un congrès hal-01809295v1
Deposit thumbnail

Calorific signature of PLC bands under biaxial loading conditions in Al-Mg alloys

Jean-Benoit Le Cam , Eric Robin , L. Leotoing , D. Guines

2017 Annual Conference on Experimental and Applied Mechanics, 2017, Indianapolis, United States. pp.29-35, ⟨10.1007/978-3-319-62899-8_5⟩

Communication dans un congrès hal-01671671v1

Identification of forming limits at fracture of DP600 sheet metal under linear and unloaded non-linear strain paths

X. Song , L. Leotoing , D. Guines , Eric Ragneau

International Conference on the Technology of Plasticity, ICTP 2017, Sep 2017, Cambridge, United Kingdom. pp.562-567, ⟨10.1016/j.proeng.2017.10.1021⟩

Communication dans un congrès hal-01671675v1
Deposit thumbnail

Strain Rate Dependent Hardening of DP600 Sheet Metal for Large Strains Under In-plane Biaxial Loadings

Wei Liu , Dominique Guines , Lionel Leotoing , Eric Ragneau

19th International ESAFORM Conference on Material Forming (ESAFORM 2016), Apr 2016, Nantes, France. pp.060004, ⟨10.1063/1.4963440⟩

Communication dans un congrès hal-01394756v1
Deposit thumbnail

Identification of forming limits at fracture using an in-plane biaxial tensile test with a dedicated cruciform specimen

Xiao Song , Lionel Leotoing , Dominique Guines , Eric Ragneau

ICMFF11 International Conference on Multiaxial Fatigue and Fracture, Jun 2016, Seville, Spain

Communication dans un congrès hal-01361744v1

Calibration of anisotropic yield criterion with conventional tests or biaxial test

Zhang Shunying , Lionel Leotoing , Dominique Guines , Sandrine Thuillier

IDDRG2015, May 2015, Shanghai, China

Communication dans un congrès hal-01186218v1
Deposit thumbnail

Identification of Anisotropic Yield Criterion Parameters from a Single Biaxial Tensile Test

Shunying Zhang , Lionel Leotoing , Dominique Guines , Sandrine Thuillier

ESAFORM 2014, May 2014, Espoo, Finland. pp.1710-1717, ⟨10.4028/www.scientific.net/KEM.611-612.1710⟩

Communication dans un congrès hal-00992888v1
Deposit thumbnail

Effects of temperature and strain rate on the forming limit curves of AA5086 sheet

Cunsheng Zhang , Xingrong Chu , Dominique Guines , Lionel Leotoing , Jie Ding et al.

11th International Conference on Technology of Plasticity, Oct 2014, Nagoya, Japan. pp.772-778, ⟨10.1016/j.proeng.2014.10.075⟩

Communication dans un congrès hal-01148491v1
Deposit thumbnail

Influence of temperature and strain rate on the formability of aluminium alloys: Comparison between experimental and predictive results

Xingrong Chu , Lionel Leotoing , Dominique Guines , Eric Ragneau

IDDRG2014, Jun 2014, Paris, France. pp.91-96

Communication dans un congrès hal-00999709v1
Deposit thumbnail

Calibration of material parameters of anisotropic yield criterion with conventional tests and biaxial test

Shunying Zhang , Lionel Leotoing , Dominique Guines , Sandrine Thuillier

16th annual ESAFORM Conference on Material Forming, Apr 2013, Aveiro, Portugal. pp.2111-2117, ⟨10.4028/www.scientific.net/KEM.554-557.2111⟩

Communication dans un congrès hal-00872583v1
Deposit thumbnail

Force prediction for correction of robot tool path in single point incremental forming

Jérémy Belchior , Dominique Guines , Lionel Leotoing , Eric Ragneau

16th annual ESAFORM Conference on Material Forming, Apr 2013, Aveiro, Portugal. pp.1282-1289, ⟨10.4028/www.scientific.net/KEM.554-557.1282⟩

Communication dans un congrès hal-00872570v1
Deposit thumbnail

A cruciform shape to study the influence of strain paths on forming limit curves

Lionel Leotoing , Dominique Guines , Shunying Zhang , Eric Ragneau

16th annual ESAFORM Conference on Material Forming, Apr 2013, Aveiro, Portugal. pp.41-46, ⟨10.4028/www.scientific.net/KEM.554-557.41⟩

Communication dans un congrès hal-00872576v1

Characterization of sheet metal plastic anisotropy by cross biaxial tensile test

Shunying Zhang , Lionel Leotoing , Dominique Guines , Sandrine Thuillier

Colloque Journée SF2M Section Ouest, Apr 2013, Lorient, France

Communication dans un congrès hal-00872589v1

Numerical simulation of the single point incremental forming : Improvement of the force prediction

Jérémy Belchior , Dominique Guines , Lionel Leotoing , Eric Ragneau

32nd SENAFOR, Oct 2012, Porto Alegre, Brazil. pp.1-14

Communication dans un congrès hal-00872621v1
Deposit thumbnail

Approche couplée matériau/structure machine : Application au formage incrémental

Jérémy Belchior , Dominique Guines , Lionel Leotoing , Patrick Maurine , Eric Ragneau

20ème Congrès Français de Mécanique, Aug 2011, Besançon, France. pp.1-6

Communication dans un congrès hal-00873690v1
Deposit thumbnail

Détermination numérique de courbes limites de formage en fonction de la température pour un alliage d'aluminium 5086

Xingrong Chu , Lionel Leotoing , Dominique Guines , Eric Ragneau

20ème Congrès Français de Mécanique, Aug 2011, Besançon, France. pp.1-6

Communication dans un congrès hal-00953786v1
Deposit thumbnail

An in-plane tensile test for rheological and formability identification : comparison between experimental and numerical FLC

Lionel Leotoing , Dominique Guines , Eric Ragneau

ESAFORM 2011, Apr 2011, Belfast, Ireland. pp.1535-1540

Communication dans un congrès hal-00958184v1
Deposit thumbnail

Numerical investigation of temperature and forming rate effect on AA5086 warm formability

Cunsheng Zhang , Guoqun Zhao , Hao Chen , Lionel Leotoing

7th International Forum on Advanced Material Science and Technology, Jun 2010, Dalian, China. pp.607-610

Communication dans un congrès hal-00979407v1
Deposit thumbnail

A biaxial test for rheological and formability identification

Ibrahim Zidane , Dominique Guines , Lionel Leotoing , Eric Ragneau

ICEM14 - 14th International Conference on Experimental Mechanics, Jul 2010, Poitiers, France. pp.1-7, ⟨10.1051/epjconf/20100616004⟩

Communication dans un congrès hal-00981919v1
Deposit thumbnail

Influence du modèle de comportement rhéologique sur la prédiction de la formabilité d'un alliage d'aluminium sous sollicitations dynamiques

Xingrong Chu , Lionel Leotoing , Dominique Guines , Eric Ragneau

Matériaux 2010, Oct 2010, Nantes, France. pp.1-8

Communication dans un congrès hal-00938590v1

Caractérisation du comportement mécanique d'un alliage d'aluminium en expansion biaxiale - Application aux courbes limite de formage

Lionel Leotoing , Sandrine Thuillier , Dominique Guines

JAUM2010, Aug 2010, Lorient, France

Communication dans un congrès hal-00951394v1

Développement d'un essai biaxial adapté à l'identification du comportement rhéologique d'alliages métalliques et de leur formabilité sous sollicitations dynamiques

Ibrahim Zidane , Dominique Guines , Lionel Leotoing , Eric Ragneau

JAUM2010, Aug 2010, Lorient, France

Communication dans un congrès hal-00951632v1
Deposit thumbnail

Theoretical and numerical study of strain rate sensitivity on formability of sheet metal

Cunsheng Zhang , Lionel Leotoing , Dominique Guines , Eric Ragneau

Numisheet 2008, Sep 2008, Interlaken, Switzerland. pp.1-5

Communication dans un congrès hal-00941818v1
Deposit thumbnail

Développement d'un banc d'essai dynamique de traction bi-axiale

Ibrahim Zidane , Dominique Guines , Lionel Leotoing , Eric Ragneau

MECADYMAT 2008, Apr 2008, Lorient, France

Communication dans un congrès hal-00941824v1
Deposit thumbnail

Optimization of biaxial tensile specimen shape from numerical investigations

Ibrahim Zidane , Cunsheng Zhang , Dominique Guines , Lionel Leotoing , Eric Ragneau

Numisheet 2008, Sep 2008, Interlaken, Switzerland. pp.1-6

Communication dans un congrès hal-00941797v1
Deposit thumbnail

Étude de la formabilité des tôles hydroformées dans la gamme des vitesses de déformation intermédiaires

Cunsheng Zhang , Lionel Leotoing , Dominique Guines , Eric Ragneau

18ème Congrès Français de Mécanique, Aug 2007, Grenoble, France

Communication dans un congrès hal-01030828v1
Deposit thumbnail

Simulation d'un procédé de formage de structures raidies : étude de faisabilité

Mohamed Elamine Ait Ali , Dominique Guines , Lionel Leotoing , Eric Ragneau

CFM 2007 - 18ème Congrès Français de Mécanique, Aug 2007, Grenoble, France

Communication dans un congrès hal-03360431v1
Deposit thumbnail

Multi-objective robust design optimization of an engine mounting system

Eric Courteille , Frédéric Mortier , Lionel Leotoing , Eric Ragneau

SAE 2005 Noise and Vibration Conference and Exhibition, May 2005, Traverse City, United States. pp.2005-01-2412, ⟨10.4271/2005-01-2412⟩

Communication dans un congrès hal-00913315v1
Deposit thumbnail

Mise en place et retour d'expérience sur de l'enseignement à distance

Alain Milley , Corentin Kerzreho , Lionel Leotoing , Jérôme Noailles

Technologies de l'Information et de la Connaissance dans l'Enseignement Supérieur et de l'Industrie, Oct 2004, Compiègne, France. pp.448-452

Communication dans un congrès edutice-00000738v1
Deposit thumbnail

Analytical study of coupling between subsystems of a vehicule NVH model

Eric Courteille , Lionel Leotoing , Frédéric Mortier , Eric Ragneau

International Conference on Noise and Vibration Engineering 2004, Sep 2004, LEUVEN, Belgium. pp.3375-3386

Communication dans un congrès hal-00913351v1

Prévision du flambage local-global et interactif des poutres sandwichs en compression plane

Lionel Leotoing , Sylvain Drapier , Vautrin Alain

6ème Colloque national en calcul des structures, Jun 2003, Giens, France. pp.1-8

Communication dans un congrès hal-00975703v1

Prediction of the Two-Scale Buckling Response of Sandwich Beams under In-Plane Compression.

L. Leotoing , Sylvain Drapier , Alain Vautrin

Sixth international conference on engineering computational technology, Sep 2002, Czech Technical University in Prague, Czech Republic. paper 83

Communication dans un congrès hal-00298263v1

Global, local and interactive buckling in sandwich structures.

L. Leotoing , Sylvain Drapier , Alain Vautrin

10th European congress on composite materials, 2002, Bruges, Belgium. paper 433

Communication dans un congrès hal-00298331v1

Nonlinear interaction of geometrical and material properties in sandwich structure instabilities

Lionel Leotoing , Sylvain Drapier , Alain Vautrin

IUTAM Symposium Material Instabilities and the Effect of Microstructure, May 2001, Austin, United States. pp.1

Communication dans un congrès hal-00981977v1

Interactive buckling in sandwich structures

Sylvain Drapier , Lionel Leotoing , Alain Vautrin

4th Euromech Solid Mechanics Conference, Jun 2000, Metz, France

Communication dans un congrès hal-00982261v1
Deposit thumbnail

Flambage et effet d'échelle dans les structures sandwich

Lionel Leotoing , Sylvain Drapier , Alain Vautrin

JNC12, Nov 2000, Cachan, France. pp.343-352

Communication dans un congrès hal-00981968v1

Influence of scale effects on the buckling of sandwich structures

Lionel Leotoing , Sylvain Drapier , Alain Vautrin

XXth ICTAM, Aug 2000, Chicago, United States

Communication dans un congrès hal-00981953v1
Deposit thumbnail

Caractérisation et modélisation de comportements mécaniques limites de matériaux

Lionel Leotoing

Mécanique des matériaux [physics.class-ph]. Université de Rennes 1, 2015

HDR tel-01246354v1