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Dive into the research topics where François Valdivieso is active.

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Featured researches published by François Valdivieso.


Advances in Science and Technology | 2006

Sintering Simulation at a Scale Lower than the Grain Size

M. Ajdour; Jacques Léchelle; François Valdivieso; P. Goeuriot; Kacem Saikouk; R. Boyer

A finite 3D element model coupled with a 2D finite volume one has been developed obatained in order to study the miscrostruture evolution during the desification of a green compact obtained by powder metturgy [1]. The simulation of the process was performed on to grains considering surface diffusion of the grains, grain boundary diffusion and volume diffusion in the grains, with as source terms the radii of curvature. The stress gradients are the driving forces of sintering. The mechanical behaviour of the grains is considered as elastic in the whole temperature range of the sintering cycle.


Journal of Nuclear Materials | 2007

High temperature corrosion of a nickel base alloy by helium impurities

F. Rouillard; Céline Cabet; Krzysztof Wolski; A. Terlain; Michel Tabarant; Michèle Pijolat; François Valdivieso


Journal of the American Ceramic Society | 2012

Finite Element Simulation of Mass Transport During Sintering of a Granular Packing. Part I. Surface and Lattice Diffusions

Julien Bruchon; Daniel Pino-Muñoz; François Valdivieso; Sylvain Drapier


Journal of The European Ceramic Society | 2013

Zirconia matrix composite dispersed with stainless steel particles: Processing and oxidation behavior

Jinane Tarabay; Véronique Peres; Eric Serris; François Valdivieso; Michèle Pijolat


2nd ECCOMAS Young Investigators Conference (YIC 2013) | 2013

High performance computing of sintering process at particle scale

Daniel Pino Muñoz; Julien Bruchon; Sylvain Drapier; François Valdivieso


Image Analysis & Stereology | 2011

LOCAL STUDY OF DEFECTS DURING SINTERING OF UO2: IMAGE PROCESSING AND QUANTITATIVE ANALYSIS TOOLS

Eric Girard; Jean-Marc Chaix; François Valdivieso; P. Goeuriot; Jacques Lechelle


9e Colloque national en calcul des structures | 2009

Modélisation et simulation du transport de matière par diffusion surfacique à l'aide d'une approche Level-Set

Julien Bruchon; Guillaume Pacquaut; Sylvain Drapier; François Valdivieso


10e colloque national en calcul des structures | 2011

Simulation directe du frittage à l'échelle des grains par diffusion surfacique et volumique.

Daniel Pino Muñoz; Julien Bruchon; François Valdivieso; Sylvain Drapier


Industrie céramique et verrière (L’) | 2007

Raw materials dossier

Didier Bernache-Assollant; Jean-Pierre Bonnet; C. Carry; Christophe Chaput; Thierry Chartier; Jean-Louis Chermant; B. Durand; S. Garrault; N. Herlin; J.-M. Lamerant; Y. Leconte; S. Le Gallet; A. Leriche; J.C. Niepce; J. Poirier; Francis Rebillat; François Valdivieso


Industrie Ceramique et Verrière | 2007

La saga des matériaux: classes et mise en forme des céramiques / The materials saga: sintering

Didier Bernache-Assollant; Jean Pierre Bonnet; C. Carry; Christophe Chaput; Thierry Chartier; Jean-Louis Chermant; B. Durand; S. Garrault; N. Herlin; J.-M. Lamerant; Y. Leconte; S. Le Gallet; A. Leriche; J.C. Niepce; J. Poirier; Francis Rebillat; François Valdivieso

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Jean-Louis Chermant

Centre national de la recherche scientifique

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J.C. Niepce

University of Burgundy

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Michèle Pijolat

École Normale Supérieure

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Daniel Pino Muñoz

Centre national de la recherche scientifique

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Guillaume Pacquaut

Centre national de la recherche scientifique

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