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Rheological non-Newtonian behaviour of ethylene glycol-based Fe2O3 nanofluids.
| Content Provider | Europe PMC |
|---|---|
| Author | Pastoriza-Gallego, María Jose Lugo, Luis Legido, José Luis Piñeiro, Manuel M |
| Copyright Year | 2011 |
| Abstract | The rheological behaviour of ethylene glycol-based nanofluids containing hexagonal scalenohedral-shaped α-Fe2O3 (hematite) nanoparticles at 303.15 K and particle weight concentrations up to 25% has been carried out using a cone-plate Physica MCR rheometer. The tests performed show that the studied nanofluids present non-Newtonian shear-thinning behaviour. In addition, the viscosity at a given shear rate is time dependent, i.e. the fluid is thixotropic. Finally, using strain sweep and frequency sweep tests, the storage modulus G', loss modulus G″ and damping factor were determined as a function of the frequency showing viscoelastic behaviour for all samples. |
| ISSN | 19317573 |
| Journal | Nanoscale Research Letters |
| Volume Number | 6 |
| PubMed Central reference number | PMC3214201 |
| Issue Number | 1 |
| PubMed reference number | 22027018 |
| e-ISSN | 1556276X |
| DOI | 10.1186/1556-276x-6-560 |
| Language | English |
| Publisher | Springer |
| Publisher Date | 2011-10-25 |
| Access Restriction | Open |
| Rights License | This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Copyright ©2011 Pastoriza-Gallego et al; licensee Springer. |
| Subject Keyword | nanofluid rheology hematite ferrofluids storage modulus loss modulus nanoparticles shear thinning |
| Content Type | Text |
| Resource Type | Article |
| Subject | Nanoscience and Nanotechnology Condensed Matter Physics Materials Science |
