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Ein- und zweikomponentige kolloidale Gläser unter Scherung
Antragsteller
Professor Dr. Stefan U. Egelhaaf, seit 10/2015 (†)
Fachliche Zuordnung
Statistische Physik, Nichtlineare Dynamik, Komplexe Systeme, Weiche und fluide Materie, Biologische Physik
Förderung
Förderung von 2010 bis 2016
Projektkennung
Deutsche Forschungsgemeinschaft (DFG) - Projektnummer 157463299
We plan to experimentally investigate the nonlinear response of colloidal glasses to homogeneous and inhomogeneous stress fields. In addition to inhomogeneities in the stress field, such as local forces, distinct particle mobilities (realized by a two-component system) will be studied. The macroscopic stresses and deformations, as well as their transmission through the sample, will be related to changes in the microscopic structure and dynamics on an individual particle level. We will investigate the samples using confocal microscopy, light scattering and rheology while stress is applied. For this purpose a stress-controlled shear cell and indentation device will be constructed.
DFG-Verfahren
Forschungsgruppen
Teilprojekt zu
FOR 1394:
Nonlinear response to probe vitrification
Großgeräte
Stress-controlled rheometer
Gerätegruppe
1610 Viskosimeter, Rheometer
Ehemaliger Antragsteller
Dr. Marco Laurati, bis 10/2015