Numerical and Experimental Approach in Assisted Cryogenic Machining
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Résumé
Understanding of local mechanisms chip forming during machining by removal of material is difficult, to this end; a cutting finite element modelling is required. This study aims initially to model orthogonal cutting of Ti17 titanium alloy in dry and cryogenic machining and in a second time to study the influence of the application of cryogen during machining on temperature fields and cutting forces in numerical simulation. An experimental study was also conducted to determine the mode of tool wear and the evolution of flank wear.
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Article dans une revue avec comité de lectureTitanium alloy is well known for its difficulty to machine, owing to the important “tool wear” phenomenon. Machining assistance is an interesting solution to lengthen the tool lifetime. In this study, we focused on the ...
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Article dans une revue avec comité de lectureIn this paper, a deep study of constitutive parameters definition effect is done in order to guarantee sufficient reliability of the finite element machining modeling. The case of a particular biphasic titanium alloy Ti6Al4V ...
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Ouvrage scientifiqueYAICH, Mariem;
AYED, Yessine; BOUAZIZ, Zoubeir;
GERMAIN, Guénaël (Springer International Publishing, 2020)
A 3D finite element modeling of the orthogonal turning process was curried out in the current study. It aims to carefully investigate the mechanisms controlling the chip segmentation and the crack propagation direction in ... -
Article dans une revue avec comité de lectureThe numerical analysis, based on the finite element modeling (FEM), presents nowadays an efficient computational tool. It allows a better understanding of several thermo-mechanical phenomena involved during the machining ...
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Numerical analysis of the Ti6Al4V behavior based on the definition of a new phenomenological model Article dans une revue avec comité de lectureYAICH, Mariem; BOUAZIZ, Zoubeir;
GERMAIN, Guénaël;
AYED, Yessine (Springer Science and Business Media LLC, 2021)
The finite element modeling is significantly dependent on the accurate prediction of the material behavior. In order to increase the accuracy of numerical simulations, a new phenomenological model is proposed in this study. ...