Jean-Luc Desbiolles

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Related publications (5)

Modeling of percolation of globular-equiaxed grains in Al-Cu alloys

Jean-Luc Desbiolles, Michel Rappaz, Christophe Mondoux

A new mesoscopic model able to describe percolation of globular-equiaxed grains, highly relevant for hot tearing formation in castings, has been developed. This model is inspired from the granular model of Sistaninia et al. [1-5] that considers polyhedral ...

Iop Publishing Ltd2015

Three-dimensional phase-field simulation of micropore formation during solidification: Morphological analysis and pinching effect

Alain Jacot, Jean-Luc Desbiolles, Michel Rappaz, Hossein Meidani

A three-dimensional (3-D) multiphase-field model has been developed in order to study the formation of a micropore constrained to grow in a solid network (i.e. pinching effect). The model accounts for the pressure difference due to capillarity between liqu ...

Elsevier2012

Study of the twinned dendrite tip shape I : Phase-field modeling

Jean-Luc Desbiolles, Michel Rappaz, Mario Alberto Salgado Ordorica

The growth kinetics advantage of twinned aluminum dendrites over regular ones is still an unsolved problem of solidification. Although it is linked to the tip geometry, the influence of a coherent (1 1 1) twin plane on a < 1 1 0 > twinned dendrite tip is u ...

Elsevier2011

Phase Field Modelling Of Twinned Dendrite Growth

Jean-Luc Desbiolles, Michel Rappaz, Mario Alberto Salgado Ordorica

Twinned dendrite growth has been found to occur in aluminum alloys when critical thermal conditions (G approximate to 100 K/cm, nu(s) approximate to 1 mm/s) and a slight convection in the melt are present during directional solidification. Split in their t ...

Minerals, Metals & Materials Soc, 184 Thorn Hill Rd, Warrendale, Pa 15086-7514 Usa2009

A 3D Granular Model Of Equiaxed-Granular Solidification

Jean-Luc Desbiolles, Michel Rappaz, André Phillion

The solidification of an aluminum-copper alloy has been simulated in 3D using a granular model. Compared to previous similar 2D approaches for where only one phase is continuous, the extension to 3D allows for concurrent continuity of the solid and liquid ...

Minerals, Metals & Materials Soc, 184 Thorn Hill Rd, Warrendale, Pa 15086-7514 Usa2009

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