Publications et communications de Gaëtan Gilles

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1. Thèses et mémoires

1.b. Thèses de doctorat

3. Articles dans des revues scientifiques avec peer reviewing

3.a. À portée internationale

En tant que premier ou dernier auteur

Gilles, G., Cazacu, O., Hammami, W., Habraken, A., & Duchene, L. (2012). Experimental and numerical study of TA-6V mechanical behavior in different monotonic loading conditions at room temperature. Procedia IUTAM, 3, 100-114.
This paper presents an experimental characterization of the quasi-static mechanical response of a TA-6V titanium alloy in sheet form. Monotonic tests, such as uniaxial tension and compression, plane strain and ...
Gilles, G., Hammami, W., Libertiaux, V., Cazacu, O., Yoon, J. H., Habraken, A., & Duchene, L. (2011). Experimental characterization and elasto-plastic modeling of the quasi-static mechanical response of TA-6 V at room temperature. International Journal of Solids & Structures, 48(9), 1277–1289.
The paper presents an experimental study of the quasi-static deformation behavior of a TA-6V in sheet form. To quantify the plastic anisotropy and the tension-compression asymmetry of this material at room ...

En tant que co-auteur

Tuninetti Vásquez, V., Gilles, G., Milis, O., Lecarme, L., & Habraken, A. (2012). Compression test for plastic anisotropy characterization using optical full-field dis-placement measurement technique. Steel Research International.
In this work, a constitutive law, its identification and its validation for TA6V titanium alloy are presented. The material characteri-zation is achieved by quasi-static monotonic tensile and compression tests ...
Hammami, W., Gilles, G., Habraken, A., & Duchene, L. (2011). Phenomenological and crystal plasticity approaches to describe the mechanical behaviour of Ti6Al4V titanium alloy. International Journal of Material Forming, 4(2), 205-2015.
This paper presents a multiscale study of the quasi-static behaviour of a Ti6Al4V titanium alloy sheet. Tensile and compressive tests were carried out on specimens along several orientations from the rolling ...
Flores, P., Tuninetti Vásquez, V., Gilles, G., Gonry, P., Duchene, L., & Habraken, A. (2010). Accurate stress computation in plane strain tensile tests for sheet metal using experimental data. Journal of Materials Processing Technology, 210, 1772-1779.

8. Conférences scientifiques dans des universités et centres de recherche

Neira Torres, I., Lecomte-Beckers, J., Tchuindjang, J. T., Habraken, A., & Gilles, G. (2013, September 10). Study of phase transformations within bimetallic rolling mills. Paper presented at First International Workshop Lagashop 2013, Liége, Belgium.
With the aim of simulating the cooling behavior after a re-austenitizing stage of bimetallic rolling mills, both materials corresponding to spheroidal graphite iron (core material) and high chrome steel (shell ...

9. Colloques et congrès scientifiques

9.b. Sur proposition personnelle

Publiées

À portée internationale
Avec peer reviewing
Tuninetti Vásquez, V., Gilles, G., Milis, O., Neira Torres, I., & Habraken, A. (2013). QUASI-STATIC MECHANICAL BEHAVIOUR OF TI-6AL-4V ALLOY AT ROOM TEMPERATURE. Complas XII, XII, 51-62.
In order to determine the mechanical behavior of a bulk TA6V alloy, a set of mechanical tests such as shear, compression, tensile monotonic tests, and tensile tests on notched samples are performed. The ...
Neira Torres, I., Gilles, G., Tchuindjang, J. T., Lecomte-Beckers, J., Sinnaeve, M., & Habraken, A. (2013). Prediction of residual stresses by FE simulations on bimetallic work rolls during cooling. Computer Methods in Materials Science, 13(1), 84-91.
Bimetallic rolls used in the roughing stands of the Hot Strip Mill require mixed properties as a high wear resistance for the shell material and an enhanced toughness for the core material. The bimetallic roll ...
Gilles, G., Habraken, A., Cazacu, O., Balan, T., & Duchene, L. (2013). Experimental and numerical study of TA6V mechanical behavior under different quasi-static strain paths at room temperature. AIP Conference Proceedings, 1532, 651-656.
This paper presents an experimental study of the quasi-static mechanical behavior of TA6V titanium alloy. Different monotonic tests were carried out in several orientations in the plane of the sheet in order ...
Tuninetti Vásquez, V., Gilles, G., Péron-Lührs, V., & Habraken, A. (2012). Compression test for metal characterization using digital image correlation and inverse modeling. Procedia IUTAM.
In the case of sheet metal characterization, compression tests at normal direction of the sheet can be done by means of the layer compression test. Circular cylinder specimens are commonly used for compression ...
Gilles, G., Tuninetti Vásquez, V., Ben Bettaieb, M., Cazacu, O., Habraken, A., & Duchene, L. (2011). Experimental characterization and constitutive modeling of TA6V mechanical behavior in plane strain state at room temperature. AIP Conference Proceedings, 1383.
This paper presents an experimental and theoretical study of the quasi-static behavior of TA6V titanium alloy in plane strain state. In order to quantify the anisotropy of the material, tests were carried out ...
Gilles, G., Habraken, A., & Duchene, L. (2010). Material parameter identification of Cazacu's model for Ti6Al4V using the simulated annealing algorithm. Materials Science Forum, 636-637, 1125-1130.
Phenomenological yield criteria are generally described by many material parameters. A technique to identify these parameters is required to find the best fit to the results of the mechanical tests. The ...

Communications uniquement orales ou poster

À portée internationale
Habraken, A., Gilles, G., Tuninetti Vásquez, V., Duchene, L., Hammami, W., delannay, L., bouvier, S., Bacroix, B., chauveau, T., & hug, E. (2013, January). Identification and validation of CRSS values for Ti6Al4V alloy. Paper presented at PLASTICITY 2013 , Symposium to honour Paul Van Houtte, BAHAMAS, ETATS UNIS.
Habraken, A., Hammami, W., Gilles, G., & Duchene, L. (2010, May). Multiscale approach to describe the mechanical behaviour of Ti6Al4V alloys. Paper presented at 4th European Conference on Computational Mechanics (Solids, Structures and Coupled Problems in Engineering), Paris, France.
Gilles, G., Hammami, W., Libertiaux, V., Habraken, A., Cazacu, O., & Duchene, L. (2010). Experimental characterization and constitutive modeling of TA6V titanium mechanical behavior in tension and compression. Paper presented at 37th Solid Mechanics Conference, Warsaw, Poland.

11. Rapports

11.c. Autres rapports

Rossi, B., Gilles, G., Zolotas, E., & Habraken, A. (2011). Experimental investigations of the material behavior of Ti6Al4V titanium alloy.
Computer models are widely used to support the development of conventional design methods based on expensive full-scale tests or trial and error methods. Nevertheless, in order to accurately model metal ...