Investigation and characterization of grinding burn on a nitrided steel

Autor: BRUNO LAVISSE, Laurent WEISS, Ninel KOKANYAN, André LEFEBVRE, Emerik Henrion, Olivier Sinot, Albert TIDU

Grinding process may lead to the occurrence of grinding burn. Indeed, when the temperature in the grinding area gets too high, it may result in visible surface damages of the workpiece. Therefore, the aim of this present study was to fully characteri

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::82ac7863af9c51a69828b342c4ccd715
https://doi.org/10.21203/rs.3.rs-1854886/v1

Thermomechanical modeling of crystallographic anisotropy effect on machining forces based on crystal plasticity framework

Autor: Albert Tidu, Houssem Ben Boubaker, Pascal Laheurte, K. S. Djaka, Mohammed Nouari, A. Moufki

Publikováno v: Journal of Machining Science and Technology
Journal of Machining Science and Technology, In press

In this work, the effect of the crystallographic anisotropy on machining forces is studied through a thermomechanical approach based on rate sensitive plasticity based model. A crystal plasticity f...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::21a40af98effc121437dbff594695271
https://hal.archives-ouvertes.fr/hal-03333824

The effects of the flow rate and speed of lubricoolant jets on heat transfer in the contact zone when grinding a nitrided steel

Autor: O. Sinot, S. Lemarié, B. Lavisse, A. Lefebvre, E. Henrion, Andrew Torrance, Albert Tidu

Publikováno v: Journal of Manufacturing Processes
Journal of Manufacturing Processes, Society of Manufacturing Engineers, 2018, 35, pp.233-243. ⟨10.1016/j.jmapro.2018.07.029⟩

International audience; In this paper, the influence of lubrication parameters, such as flowrate and jet velocity, on the cutting fluid efficiency are studied. A foil/workpiece thermocouple and an inverse matching method are used to observe changes i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::00b5da881a05f77019418e14f0d50a85
https://doi.org/10.1016/j.jmapro.2018.07.029

Impact of the initial microstructure and the loading conditions on the deformation behavior of the Ti17 titanium alloy

Autor: Guénaël Germain, Albert Tidu, Yessine Ayed, Houssem Ben Boubaker, Charles Mareau

Publikováno v: Journal of Materials Science
Journal of Materials Science, Springer Verlag, 2019, pp.1765-1778. ⟨10.1007/s10853-019-04014-5⟩
Journal of Materials Science, Springer Verlag, 2019, pp.1-14. ⟨10.1007/s10853-019-04014-5⟩

In this work, the impact of the microstructure and the loading conditions on the mechanical behavior of a β-rich Ti17 titanium alloy is investigated. For this purpose, two different initial microstructures are considered : (i) a two-phase lamellar �

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0d691daff125e36794e193cf2ee02a89
https://hdl.handle.net/10985/17536

A semi-analytical modelling of cutting using crystal plasticity theory and flow line approach

Autor: Albert Tidu, A. Moufki, Pascal Laheurte, Mohammed Nouari, K. S. Djaka

Publikováno v: International Journal of Mechanical Sciences
International Journal of Mechanical Sciences, Elsevier, 2018, 146-147, pp.49-59. ⟨10.1016/j.ijmecsci.2018.07.034⟩

A semi-analytical model for orthogonal cutting taking into account microstructure evolution and its influence on the chip formation process is developed for polycrystalline materials. To describe the 2D material flow in the chip, a thermomechanical c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b63055496de2affa9f92e88e61644e25
https://hal.archives-ouvertes.fr/hal-03014449