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Introduction to the level-set full field modeling of laths spheroidization phenomenon in alpha/beta titanium alloys

Abstract : Fragmentation of α lamellae and subsequent spheroidization of α laths in α/β titanium alloys occurring during and after deformation are well known phenomena. We will illustrate the development of a new finite element methodology to model them. This new methodology is based on a level set framework to model the deformation and the ad hoc simultaneous and/or subsequent interfaces kinetics. We will focus, at yet, on the modeling of the surface diffusion at the α/β phase interfaces and the motion by mean curvature at the α/α grain interfaces.
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Danai Polychronopoulou, Nathalie Bozzolo, Daniel Pino Muñoz, Julien Bruchon, Modesar Shakoor, et al.. Introduction to the level-set full field modeling of laths spheroidization phenomenon in alpha/beta titanium alloys. NUMIFORM 2016: The 12th International Conference on Numerical Methods in Industrial Forming Processes , Jul 2016, Troyes, France. pp.02003, ⟨10.1051/matecconf/20168002003⟩. ⟨hal-01421151⟩

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