Alain Jacot

Cette personne n’est plus à l’EPFL

Publications associées (18)

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Phase-field simulations of alpha -> gamma precipitations and transition to massive transformation in the Ti-Al alloy

Alain Jacot

A phase-field model for the solid-solid alpha -> gamma transition of Ti-Al binary alloys is presented based on analytical Gibbs free energies and couplings to the thermodynamical database ThermoCalc. The equilibrium values recover the alpha + gamma phase b ...

Elsevier2009

A Phase Field Model For A Geometrical Description Of Micropores Constrained By A Solid Network

Alain Jacot, Milan Felberbaum

A 2D phase field model has been developed to describe the shape of a pore formed within interdendritic liquid channels. The influence of the solid, which can force the pore to adopt a non-spherical shape, is taken into account through the geometry of the d ...

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

Phase-field simulation of micropores constrained by a solid network

Alain Jacot, Milan Felberbaum, Hossein Meidani

A 2D phase-field model has been developed in order to describe the morphology of a pore forming within interdendritic liquid channels and the geometrical effect of mechanical contacts with neighboring solid. The distribution of the solid, liquid and gas ph ...

Springer, Springer-Verlag2009

EBSD: a powerful microstructure analysis technique in the field of solidification

Michel Rappaz, Emmanuelle Boehm Courjault, Alain Jacot, Mario Alberto Salgado Ordorica, Aurèle Mariaux, Christoph Niederberger

This paper presents a few examples of the application of electron back-scatter diffraction (EBSD) to solidification problems. For directionally solidified Al-Zn samples, this technique could reveal the change in dendrite growth directions from < 100 > to < ...

2009

Origin of intragranular crystallographic misorientations in hot-dip Al-Zn-Si coatings

Alain Jacot, Johann Michler, Christoph Niederberger

The origin of intragranular variations of the crystallographic orientation in hot-dip Al-Zn-Si coatings is discussed based on new experimental results and modelling. The solidification microstructure in as-received 55Al-43.4Zn-l.6Si (in wt.%) coatings depo ...

Elsevier2008

A numerical model for the description of the lamellar and massive phase transformations in Ti-Al-Nb alloys

Alain Jacot, Amin Rostamian

A phenomenological modelling approach has been developed for the description of die massive and lamellar microstructures which form in gamma-TiAl alloys at high and moderate cooling rates, respectively. The nucleation of both massive and lamellar gamma is ...

Minerals, Metals & Materials Soc, 184 Thorn Hill Rd, Warrendale, Pa 15086-7514 Usa2008

A numerical model for the description of the lamellar and massive phase transformations in TiAl alloys

Alain Jacot, Amin Rostamian

A phenomenological modelling approach has been developed to describe the massive transformation and the formation of lamellar microstructures during cooling in binary gamma titanium aluminides. The modelling approach is based on a combination of nucleation ...

Elsevier2008

Laser Repair of Superalloy Single Crystals with Varying Substrate Orientations

Wilfried Kurz, Alain Jacot, Aude Hauert, Sélim Mokadem, Cyrille Bezençon

Springer, Kluwer Academic Publishers-Plenum Publishers; http://www.springer-ny.com2007

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