Magnetorheological behaviour of propylene glycol-based hematite nanofluids

Verfasser / Beitragende:
[Jésica Calvo-Bravo, David Cabaleiro, Manuel Piñeiro, Luis Lugo]
Ort, Verlag, Jahr:
2015
Enthalten in:
Rheologica Acta, 54/9-10(2015-10-01), 757-769
Format:
Artikel (online)
ID: 605466998
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024 7 0 |a 10.1007/s00397-015-0868-5  |2 doi 
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245 0 0 |a Magnetorheological behaviour of propylene glycol-based hematite nanofluids  |h [Elektronische Daten]  |c [Jésica Calvo-Bravo, David Cabaleiro, Manuel Piñeiro, Luis Lugo] 
520 3 |a The study of nanofluids represents an innovative research area with remarkable development. Properties of ferric magnetic nanofluids, also denoted as ferrofluids, under the influence of an external magnetic field have attracted increasing attention. A set-up for performing rheological and magnetorheological tests of propylene glycol-based hematite (α-Fe203) nanofluids is presented. The nanoparticle concentration dependence of the magnetorheological properties of this nanofluid was analysed at 303.15K, ranging from 0.2 to 6.18vol%, while external magnetic fields up to 0.7T were applied. The rheological and magnetorheological experiments were performed using a rotational Physica MCR 101 rheometer, (Anton Paar), which is equipped with a magnetorheological device (MRD 170/1T) to control the magnetic flux density. A detailed study about the thixotropic behaviour of the samples as well as viscosity curves of magnetization and demagnetization responses, an analysis of the fractal dimension of the aggregates and conclusions about the magnetic field effect on the size of formed aggregates as a function of concentration has been developed in this work. Rheological tests show that the nanofluid studied presents non-Newtonian shear thinning, thixotropic and viscoelastic behaviour. Finally, the magnetic saturation of the material has been studied. 
540 |a Springer-Verlag Berlin Heidelberg, 2015 
690 7 |a Nanofluid  |2 nationallicence 
690 7 |a Hematite  |2 nationallicence 
690 7 |a Magnetorheology  |2 nationallicence 
690 7 |a Magnetic field  |2 nationallicence 
690 7 |a Fractal dimension  |2 nationallicence 
690 7 |a Thixotropy  |2 nationallicence 
700 1 |a Calvo-Bravo  |D Jésica  |u Departamento de Física Aplicada, Facultade de Ciencias, Universidade de Vigo, E-36310, Vigo, Spain  |4 aut 
700 1 |a Cabaleiro  |D David  |u Departamento de Física Aplicada, Facultade de Ciencias, Universidade de Vigo, E-36310, Vigo, Spain  |4 aut 
700 1 |a Piñeiro  |D Manuel  |u Departamento de Física Aplicada, Facultade de Ciencias, Universidade de Vigo, E-36310, Vigo, Spain  |4 aut 
700 1 |a Lugo  |D Luis  |u Departamento de Física Aplicada, Facultade de Ciencias, Universidade de Vigo, E-36310, Vigo, Spain  |4 aut 
773 0 |t Rheologica Acta  |d Springer Berlin Heidelberg  |g 54/9-10(2015-10-01), 757-769  |x 0035-4511  |q 54:9-10<757  |1 2015  |2 54  |o 397 
856 4 0 |u https://doi.org/10.1007/s00397-015-0868-5  |q text/html  |z Onlinezugriff via DOI 
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900 7 |a Metadata rights reserved  |b Springer special CC-BY-NC licence  |2 nationallicence 
908 |D 1  |a research-article  |2 jats 
949 |B NATIONALLICENCE  |F NATIONALLICENCE  |b NL-springer 
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950 |B NATIONALLICENCE  |P 700  |E 1-  |a Calvo-Bravo  |D Jésica  |u Departamento de Física Aplicada, Facultade de Ciencias, Universidade de Vigo, E-36310, Vigo, Spain  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Cabaleiro  |D David  |u Departamento de Física Aplicada, Facultade de Ciencias, Universidade de Vigo, E-36310, Vigo, Spain  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Piñeiro  |D Manuel  |u Departamento de Física Aplicada, Facultade de Ciencias, Universidade de Vigo, E-36310, Vigo, Spain  |4 aut 
950 |B NATIONALLICENCE  |P 700  |E 1-  |a Lugo  |D Luis  |u Departamento de Física Aplicada, Facultade de Ciencias, Universidade de Vigo, E-36310, Vigo, Spain  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Rheologica Acta  |d Springer Berlin Heidelberg  |g 54/9-10(2015-10-01), 757-769  |x 0035-4511  |q 54:9-10<757  |1 2015  |2 54  |o 397