Large amplitude oscillatory shear (LAOS) in model colloidal suspensions and glasses: frequency dependence
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| 024 | 7 | 0 | |a 10.1007/s00397-015-0865-8 |2 doi |
| 035 | |a (NATIONALLICENCE)springer-10.1007/s00397-015-0865-8 | ||
| 245 | 0 | 0 | |a Large amplitude oscillatory shear (LAOS) in model colloidal suspensions and glasses: frequency dependence |h [Elektronische Daten] |c [Andreas Poulos, Frédéric Renou, Alan Jacob, Nick Koumakis, George Petekidis] |
| 520 | 3 | |a We investigate the effect of frequency on the non-linear large amplitude oscillatory shear (LAOS) response of concentrated colloidal suspensions of model soft and hard spheres at various concentrations, both below and above the glass transition. We show that the anharmonic response in the stress increases with frequency for liquid-like samples but decreases with frequency for solid-like samples. We argue that for samples below the glass transition, higher frequencies involving higher maximum shear rates promote shear thinning and increase anharmonicity. On the other hand, solid-like samples deform plastically at low frequencies as they are subjected to low shear rates within the period. Higher frequencies (higher average shear rates) lead to viscous flow over a larger fraction of the period thereby decreasing anharmonic behavior. We also demonstrate that LAOS experiments in strain-controlled rheometry at moderately high frequencies (ω > 5rad/s) have to be very carefully interpreted, due to the superharmonic instrumental resonance effects. | |
| 540 | |a Springer-Verlag Berlin Heidelberg, 2015 | ||
| 690 | 7 | |a Rheology |2 nationallicence | |
| 690 | 7 | |a Colloids |2 nationallicence | |
| 690 | 7 | |a Large amplitude oscillatory shear |2 nationallicence | |
| 690 | 7 | |a Yielding |2 nationallicence | |
| 690 | 7 | |a Glass transition |2 nationallicence | |
| 700 | 1 | |a Poulos |D Andreas |u Forschungszentrum Jülich, JCNS-1/ICS-1, 52428, Jülich, Germany |4 aut | |
| 700 | 1 | |a Renou |D Frédéric |u URCOM, EA 3221, FR CNRS 3038, University of Le Havre, 25 rue Philippe Lebon, B.P. 1123, 76063, Le Havre, France |4 aut | |
| 700 | 1 | |a Jacob |D Alan |u IESL-FORTH and Department of Materials Science, University of Crete, Heraklion, Greece |4 aut | |
| 700 | 1 | |a Koumakis |D Nick |u CNR-IPCF Dipartimento di Fisica, Università di Roma "La Sapienza”, Rome, Italy |4 aut | |
| 700 | 1 | |a Petekidis |D George |u IESL-FORTH and Department of Materials Science, University of Crete, Heraklion, Greece |4 aut | |
| 773 | 0 | |t Rheologica Acta |d Springer Berlin Heidelberg |g 54/8(2015-08-01), 715-724 |x 0035-4511 |q 54:8<715 |1 2015 |2 54 |o 397 | |
| 856 | 4 | 0 | |u https://doi.org/10.1007/s00397-015-0865-8 |q text/html |z Onlinezugriff via DOI |
| 898 | |a BK010053 |b XK010053 |c XK010000 | ||
| 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 | ||
| 950 | |B NATIONALLICENCE |P 856 |E 40 |u https://doi.org/10.1007/s00397-015-0865-8 |q text/html |z Onlinezugriff via DOI | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Poulos |D Andreas |u Forschungszentrum Jülich, JCNS-1/ICS-1, 52428, Jülich, Germany |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Renou |D Frédéric |u URCOM, EA 3221, FR CNRS 3038, University of Le Havre, 25 rue Philippe Lebon, B.P. 1123, 76063, Le Havre, France |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Jacob |D Alan |u IESL-FORTH and Department of Materials Science, University of Crete, Heraklion, Greece |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Koumakis |D Nick |u CNR-IPCF Dipartimento di Fisica, Università di Roma "La Sapienza”, Rome, Italy |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Petekidis |D George |u IESL-FORTH and Department of Materials Science, University of Crete, Heraklion, Greece |4 aut | ||
| 950 | |B NATIONALLICENCE |P 773 |E 0- |t Rheologica Acta |d Springer Berlin Heidelberg |g 54/8(2015-08-01), 715-724 |x 0035-4511 |q 54:8<715 |1 2015 |2 54 |o 397 | ||