NDLI: Grain growth modeling for gas pressure sintering of silicon nitride based ceramics

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Grain growth modeling for gas pressure sintering of silicon nitride based ceramics

Content Provider	Hyper Articles en Ligne (HAL)
Author	Grippi, Thomas Béhar-Lafenetre, Stéphanie Friedrich, Holger Haas, Daniel Schenderlein, Uwe Marinel, Sylvain Manière, Charles
Abstract	The complexity of liquid phase sintering of silicon nitride implies the use of advanced gas pressure sintering (GPS) industrial process. Sintering additives have been jointly developed to allow the sintering of this challenging material to reach high mechanical properties. The latter properties and GPS process of silicon nitride are strongly influenced by the microstructure development during the thermal treatment under temperature close to 1800°C. In particular, grain growth is a key parameter that needs to be identified. In this work, an experimental design is used to explore microstructural development during the final stage of sintering. The grain size, and porosity data are extracted for different holding times and temperatures to allow the identification of the experimental grain growth. The study is extended to the impact of the heating kinetics regime and the influence of the gas pressure furnace environment.
Related Links	https://hal.science/hal-03940287/file/GRIPPI_Grain_Growth_postrev_ref_clean.pdf
ISSN	23524928
DOI	10.1016/j.mtcomm.2022.105189
Journal	Materials Today Communications
Volume Number	34
Language	English
Publisher	HAL CCSD Elsevier
Publisher Date	2022-12-19
Access Restriction	Open
Subject Keyword	grain growth Silicon nitride Gas pressure sintering Silicon nitride Si 3 N 4 Gas pressure sintering grain growth model Si$_3$ N$_4$
Content Type	Text
Resource Type	Article
Subject	Materials Chemistry Mechanics of Materials Chemical Engineering Materials Science

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