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International Journal of Material Forming

, Volume 12, Issue 2, pp 173–183 | Cite as

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

  • D . PolychronopoulouEmail author
  • N. Bozzolo
  • D. Pino Muñoz
  • J. Bruchon
  • M. Shakoor
  • Y. Millet
  • C. Dumont
  • I. Freiherr von Thüngen
  • R. Besnard
  • M. Bernacki
Thematic Issue: Advances in Material Forming Simulation

Abstract

The fragmentation of α lamellae and the subsequent spheroidization of α laths, in α/β titanium alloys, are well known phenomena, occurring during and after deformation. We will illustrate the development of a new finite element methodology to model these phenomena. This new methodology is based on a level set framework modeling the deformation and the ad hoc concurrent or subsequent interfaces kinetics. In the current paper, we will focus 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.

Keywords

spheroidization grooving α laths surface diffusion α/β titanium alloys 

Notes

Acknowledgements

The authors would like gratefully to thank AUBERT & DUVAL, CEA, TIMET and SAFRAN for funding this research through the SPATIALES project of the DIGIMU consortium.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

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Copyright information

© Springer-Verlag France SAS 2017

Authors and Affiliations

  • D . Polychronopoulou
    • 1
    Email author
  • N. Bozzolo
    • 1
  • D. Pino Muñoz
    • 1
  • J. Bruchon
    • 2
  • M. Shakoor
    • 1
  • Y. Millet
    • 3
  • C. Dumont
    • 4
  • I. Freiherr von Thüngen
    • 5
  • R. Besnard
    • 6
  • M. Bernacki
    • 1
  1. 1.MINES ParisTechPSL Research University, CEMEF - Centre de mise en forme des matériauxSophia Antipolis CedexFrance
  2. 2.École Nationale Supérieure des Mines de Saint-Étienne, Centre Sciences des Matériaux et des Structures, Département Mécanique et Procédés d’ElaborationSaint-Etienne Cedex 02France
  3. 3.Timet SavoieUgineFrance
  4. 4.Aubert & DuvalLes Ancizes-CompsFrance
  5. 5.Safran, SafranTech - Pôle Matériaux et procédésMagny-Les-HameauxFrance
  6. 6.CEA ValducIs-Sur-TilleFrance

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