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Rheology of Conductive High Reactivity Carbonaceous Material (HRCM)-Based Ink Suspensions: Dependence on Concentration and Temperature.
- Source :
-
Nanomaterials (Basel, Switzerland) [Nanomaterials (Basel)] 2022 Dec 21; Vol. 13 (1). Date of Electronic Publication: 2022 Dec 21. - Publication Year :
- 2022
-
Abstract
- The present case study reports a shear rheological characterization in the temperature domain of inks and pastes loaded with conductive High Reactivity Carbonaceous Material (HRCM) consisting mainly of few-layers graphene sheets. The combined effect of filler concentration and applied shear rate is investigated in terms of the shear viscosity response as a function of testing temperature. The non-Newtonian features of shear flow ramps at constant temperature are reported to depend on both the HRCM load and the testing temperature. Moreover, temperature ramps at a constant shear rate reveal a different viscosity-temperature dependence from what is observed in shear flow ramps while maintaining the same filler concentration. An apparent departure from the well-known Vogel-Fulcher-Tamman relationship as a function of the applied shear rate is also reported.
Details
- Language :
- English
- ISSN :
- 2079-4991
- Volume :
- 13
- Issue :
- 1
- Database :
- MEDLINE
- Journal :
- Nanomaterials (Basel, Switzerland)
- Publication Type :
- Academic Journal
- Accession number :
- 36615931
- Full Text :
- https://doi.org/10.3390/nano13010021