Journal
ACTA MATERIALIA
Volume 102, Issue -, Pages 169-175Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.actamat.2015.09.003
Keywords
Spark plasma sintering; Creep; Sintering parameters; Finite element method; Complex shape
Funding
- Plateforme Nationale CNRS de Frittage Flash [PNF2/CNRS]
- French National Research Agency (ANR) [ANR009 MAPR-007, ANR09 MAPR-007]
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In the present paper, we studied the sintering of a submicronic alpha-alumina powder and modeled its behavior using Olevsky's model. We further introduced a method for the identification of the creep parameters based on SPS experiments that greatly simplify parameter determination. Subsequently, we used the set of parameters obtained to study the densification of a part with a complex shape. We clearly showed that the thickness shrinkage with different heights engender densification inhomogeneities. (C) 2015 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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