Dokument: Rod-sphere mixture in equilibrium and under shear flow
| Titel: | Rod-sphere mixture in equilibrium and under shear flow | |||||||
| URL für Lesezeichen: | https://docserv.uni-duesseldorf.de/servlets/DocumentServlet?id=33271 | |||||||
| URN (NBN): | urn:nbn:de:hbz:061-20150130-091113-5 | |||||||
| Kollektion: | Dissertationen | |||||||
| Sprache: | Englisch | |||||||
| Dokumententyp: | Wissenschaftliche Abschlussarbeiten » Dissertation | |||||||
| Medientyp: | Text | |||||||
| Autor: | Guu, Donald [Autor] | |||||||
| Dateien: |
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| Beitragende: | Dr Lettinga, Pavlik [Gutachter] Prof. Dr. Egelhaaf, Stefan [Gutachter] | |||||||
| Stichwörter: | colloids, mixtures, shear | |||||||
| Dewey Dezimal-Klassifikation: | 500 Naturwissenschaften und Mathematik » 530 Physik | |||||||
| Beschreibung: | The central theme of this thesis is the study of the stability of a model colloidal rod/sphere mixture under equilibrium conditions and the role that an external flow field plays on the
phase behavior of the mixture. Experimentally obtained phase boundaries are related to binodals which are calculated using the Free Volume Theory (FVT). In de-mixing samples, the resulting micro-phases are sheared in order to probe the internal structure. The subsequent deformation pathways are compared with semi-quantitative models. In this thesis we use mixtures of rods and neutrally buoyant polystyrene spheres with size ratios xi close to 1. Here xi is defined as the ratio of L_ro d/R_c where L_rod is the length of the colloidal rods and R_c is the radius of the spheres. The rods induce an attractive interaction potential between the spherical particles. fd virus, a micron-sized semi-flexible filarnentous bacteriophage was used as a model for an ideal rod-like colloid. | |||||||
| Lizenz: |  Urheberrechtsschutz | |||||||
| Fachbereich / Einrichtung: | Mathematisch- Naturwissenschaftliche Fakultät » WE Physik » Physik der kondensierten Materie | |||||||
| Dokument erstellt am: | 30.01.2015 | |||||||
| Dateien geändert am: | 30.01.2015 | |||||||
| Promotionsantrag am: | 25.05.2014 | |||||||
| Datum der Promotion: | 11.06.2014 |
