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Iberian Meeting on Rheology

IBEREO 2019: Proceedings of the Iberian Meeting on Rheology (IBEREO 2019) pp 139–143Cite as

Large Amplitude Oscillatory Shear (LAOS) Experiments on Colloidal Ceramic Paste Formulated for Robocasting Applications

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Part of the book series: Springer Proceedings in Materials ((SPM))

Abstract

As a branch of direct 3D printing technique, Robocasting is a promising candidate to fulfil multiple material printing [1]. Currently, the Robocasting community commonly utilizes small amplitude oscillatory shear (SAOS) tests to evaluate the printability and stiffness of the pastes for Robocasting, while large amplitude oscillatory shear (LAOS) test has been neglected. However, SAOS experiments restrict the information about the rheological properties within the linear viscoelastic regime, providing information regarding the internal microstructure of the pastes at rest, i.e., before they start to flow. From the previous study on large amplitude oscillatory shear (LAOS) tests of polymer solutions and powder suspensions [2, 3], the Lissajous–Bowditch curves illustrate the gradually changing flow behaviours of those complex fluids. By imposing variable frequencies and shear strains to inks with both high elastic and viscous moduli, the same approach is used to assess their complex theological behaviours, aiming at further understanding their effects on the Robocasting process.

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References

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Author information

Authors and Affiliations

  1. CEITEC - Central European Institute of Technology, Brno University of Technology, 612 00, Brno, Czechia

    Bo Nan

  2. CEFT, Department of Chemical Engineering, Faculty of Engineering of the University of Porto, 4350-465, Porto, Portugal

    Francisco J. Galindo-Rosales

  3. Department of Materials and Ceramic Engineering, University of Aveiro, CICECO – Aveiro Materials Institute, 3810-193, Aveiro, Portugal

    José M. Ferreira

Authors
  1. Bo Nan
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  2. Francisco J. Galindo-Rosales
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  3. José M. Ferreira
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Corresponding author

Correspondence to José M. Ferreira .

Editor information

Editors and Affiliations

  1. Department of Chemical Engineering, Faculty of Engineering, University of Porto, Porto, Portugal

    Francisco José Galindo-Rosales

  2. Department of Mechanical Engineering, Faculty of Engineering, University of Porto, Porto, Portugal

    Laura Campo-Deaño

  3. Department of Mechanical Engineering, Faculty of Engineering, University of Porto, Porto, Portugal

    Alexandre M. Afonso

  4. Department of Chemical Engineering, Faculty of Engineering, University of Porto, Porto, Portugal

    Manuel A. Alves

  5. Department of Mechanical Engineering, Faculty of Engineering, University of Porto, Porto, Portugal

    Fernando T. Pinho

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Nan, B., Galindo-Rosales, F.J., Ferreira, J.M. (2020). Large Amplitude Oscillatory Shear (LAOS) Experiments on Colloidal Ceramic Paste Formulated for Robocasting Applications. In: Galindo-Rosales, F., Campo-Deaño, L., Afonso, A., Alves, M., Pinho, F. (eds) Proceedings of the Iberian Meeting on Rheology (IBEREO 2019). IBEREO 2019. Springer Proceedings in Materials. Springer, Cham. https://doi.org/10.1007/978-3-030-27701-7_29

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  • DOI: https://doi.org/10.1007/978-3-030-27701-7_29

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-27700-0

  • Online ISBN: 978-3-030-27701-7

  • eBook Packages: EngineeringEngineering (R0)

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