Prediction of the grain size evolution during thermal treatments at the mesoscopic scale: a numerical framework and industrial examples

Control, modeling and characterization of heat treatment and surface engineering

Free Access

Fig. 6

(a) 2D RVE composed of 800 grains (mean grain size of 8 μm) and 1% surface fraction SPP (mean particles radius of 400 nm); (b) grain size evolution with and without SPP considering an Inconel^® 718 alloy held at 985 °C during 30 min calculated by the DIGIMU^® software.

(a) VER 2D composé de 800 grains (rayon moyen des grains en nombre de 8 μm) et 1 % de fraction surfacique de PSP (rayon moyen des particules en nombre de 0.4 μm) ; (b) évolution de la taille de grain moyenne avec et sans prise en compte des PSP pour un matériau de type Inconel^® 718 soumis à un traitement thermique de 30 min à 985 °C. Simulation réalisée avec le logiciel DIGIMU^®.

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