Journal
COMPUTATIONAL MATERIALS SCIENCE
Volume 49, Issue 2, Pages 351-362Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.commatsci.2010.05.021
Keywords
Finite element modelling; Spark plasma sintering; Temperature and stress distribution; Grain size
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Funding
- EU [NMP3-CT-2005-515784]
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A fully thermal-electrical-mechanical coupled and dynamic finite element model (FEM) is implemented to analyze of the temperature and stress distribution in spark plasma sintering (SPS) process. The real densification behaviour is also integrated by the moving mesh technique. The simulation studies were conducted using COMSOL and a range of die sizes, heating rates and uniaxial stresses were considered. The further validation experiments are implemented to validate the simulation results. The detailed microstructure investigations generally demonstrate that the temperature and stress profile obtained in present model are correct. But further development of complicated models is still needed for more precise prediction of sintering condition and microstructure development in SPS. (C) 2010 Elsevier B.V. All rights reserved.
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