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Numerical simulation and experimental analysis of the sintered micro-parts using the powder injection molding process

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Abstract

This paper discusses in detail the development of numerical simulations capable of simulating structural evolution and macroscopic deformation during a powder injection molding process. A sintering model based on elastic-visco-plastic constitutive equations was proposed, and the corresponding parameters such as sintering stress, bulk and shearing viscosities were identified from dilatometer experimental data. As a complement to this experimental study, a finite element simulation of the sintering operation was performed. The simulations were based on constitutive equations identified from specific experiments performed for each blend at different sintering heating rates and loadings. Finally, the numerical analyses, performed on the 3D micro-structured components, allow the numerical predictions to be compared with experimental results of sintering stage. They show that the FE simulation results have better agreement with the experimental ones at high temperatures.

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  • 23 October 2017

    Unfortunately, one of the co-author’s family name was incorrect in the original online publication of this article. The correct family name should be:

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Authors and Affiliations

  1. Applied Mechanics Department, CNRS, UMR 6174, Femto-ST Institute, 25030, Besançon cedex, France

    M. Sahli, H. Djoudi, J.-C. Gelin, T. Barriere & M. Assoul

  2. Mechanics Laboratory, Faculty of Engineering Sciences, University Mentouri, Constantine, Algeria

    M. Sahli

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  1. M. Sahli
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  2. H. Djoudi
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  3. J.-C. Gelin
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  4. T. Barriere
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  5. M. Assoul
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Correspondence to M. Sahli.

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This study was not funded by any Company.

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All the authors have not received research grants, a speaker honorarium from any Company and own not stock in any Company. All the authors are not a member of any committee. OR if no conflict exists: The authors declare that they have no conflict of interest.

Additional information

The original version of this article was revised: Unfortunately, one of the co-author's family name was incorrect in the original online publication of this article. The correct family name should be: Barriere.

A correction to this article is available online at https://doi.org/10.1007/s00542-017-3579-2.

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Sahli, M., Djoudi, H., Gelin, JC. et al. Numerical simulation and experimental analysis of the sintered micro-parts using the powder injection molding process. Microsyst Technol 24, 1495–1508 (2018). https://doi.org/10.1007/s00542-017-3533-3

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  • DOI: https://doi.org/10.1007/s00542-017-3533-3

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