Microwave sintering of complex shapes: From multiphysics simulation to improvements of process scalability - Normandie Université Access content directly
Journal Articles Journal of the American Ceramic Society Year : 2019

Microwave sintering of complex shapes: From multiphysics simulation to improvements of process scalability

Charles Manière
Eugene A. Olevsky
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Abstract

The microwave sintering homogeneity of large and complex shape specimens is analyzed. A new approach enabling the fabrication of complex shapes ceramics via 3D printing and microwave sintering is presented. The use of a dental microwave cavity is shown to enable a substantial level of densification of complex shape components while restricting the grain growth. The homogeneity of the processed samples during microwave sintering is studied by an electromagnetic-thermal-mechanical simulation. The realistic densification behavior, that phenomenologically takes into account the microwave effect, is included in the modeling framework. The simulation indicates the sharp correlation between the microwave field distribution in the cavity, the temperature profile, and the specimen's shape distortion.
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Dates and versions

hal-02616810 , version 1 (20-11-2020)

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Charles Manière, Shirley Chan, Eugene A. Olevsky. Microwave sintering of complex shapes: From multiphysics simulation to improvements of process scalability. Journal of the American Ceramic Society, 2019, 102 (2), pp.611-620. ⟨10.1111/jace.15892⟩. ⟨hal-02616810⟩

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