Piezoelectric shear rheometry: Further developments in experimental implementation and data extraction

Research output: Contribution to journalArticleResearchpeer review

Authors

  • Mathias Mikkelsen
  • Kira L. Eliasen
  • Niclas Lindemann
  • Kevin Moch
  • Roland Böhmer
  • Hossein Ali Karimi-Varzaneh
  • Jorge Lacayo-Pineda
  • Bo Jakobsen
  • Kristine Niss
  • Tage Christensen
  • Tina Hecksher

Research Organisations

External Research Organisations

  • Roskilde University
  • Continental AG
  • TU Dortmund University
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Details

Original languageEnglish
Pages (from-to)983-1003
Number of pages21
JournalJournal of rheology
Volume66
Issue number5
Early online date26 Aug 2022
Publication statusPublished - 1 Sept 2022

Abstract

The piezoelectric shear gauge (PSG) [Christensen and Olsen, Rev. Sci. Instrum. 66, 5019 (1995)] is a rheometric technique developed to measure the complex shear modulus of viscous liquids near their glass transition temperature. We report recent advances to the PSG technique: (1) The data extraction procedure is optimized, which extends the upper limit of the frequency range of the method to between 50 and 70 kHz. (2) The measuring cell is simplified to use only one piezoelectric ceramic disk instead of three. We present an implementation of this design intended for liquid samples. Data obtained with this design revealed that a soft extra spacer is necessary to allow for thermal contraction of the sample in the axial direction. Model calculations show that flow in the radial direction is hindered by the confined geometry of the cell when the liquid becomes viscous upon cooling. The method is especially well-suited for - but not limited to - glassy materials.

ASJC Scopus subject areas

Cite this

Piezoelectric shear rheometry: Further developments in experimental implementation and data extraction. / Mikkelsen, Mathias; Eliasen, Kira L.; Lindemann, Niclas et al.
In: Journal of rheology, Vol. 66, No. 5, 01.09.2022, p. 983-1003.

Research output: Contribution to journalArticleResearchpeer review

Mikkelsen, M, Eliasen, KL, Lindemann, N, Moch, K, Böhmer, R, Karimi-Varzaneh, HA, Lacayo-Pineda, J, Jakobsen, B, Niss, K, Christensen, T & Hecksher, T 2022, 'Piezoelectric shear rheometry: Further developments in experimental implementation and data extraction', Journal of rheology, vol. 66, no. 5, pp. 983-1003. https://doi.org/10.48550/arXiv.2201.12529, https://doi.org/10.1122/8.0000379
Mikkelsen, M., Eliasen, K. L., Lindemann, N., Moch, K., Böhmer, R., Karimi-Varzaneh, H. A., Lacayo-Pineda, J., Jakobsen, B., Niss, K., Christensen, T., & Hecksher, T. (2022). Piezoelectric shear rheometry: Further developments in experimental implementation and data extraction. Journal of rheology, 66(5), 983-1003. https://doi.org/10.48550/arXiv.2201.12529, https://doi.org/10.1122/8.0000379
Mikkelsen M, Eliasen KL, Lindemann N, Moch K, Böhmer R, Karimi-Varzaneh HA et al. Piezoelectric shear rheometry: Further developments in experimental implementation and data extraction. Journal of rheology. 2022 Sept 1;66(5):983-1003. Epub 2022 Aug 26. doi: 10.48550/arXiv.2201.12529, 10.1122/8.0000379
Mikkelsen, Mathias ; Eliasen, Kira L. ; Lindemann, Niclas et al. / Piezoelectric shear rheometry : Further developments in experimental implementation and data extraction. In: Journal of rheology. 2022 ; Vol. 66, No. 5. pp. 983-1003.
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