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Emergent soft-lubrication lift forces in smart biomimetic friction

PHD CHEMISTRY, STARTING FALL 2019, BORDEAUX, FRANCE

The remarkable lubrication properties and durability of articular joints (elbows, knees) are widely recognized. However, there is no consensus yet about the mechanism(s) responsible for it. The vast majority of studies in vitro have investigated the operation of synovial fluid components confined between hard, non-deformable walls. However, cartilages are soft, with a complex organized structure. The main goal of this project is to investigate the relationship between the elastic properties of substrates, the molecular structure of the lubricant layers and the behavior of two compliant surfaces under compression and shear by studying surface-grafted microgel layers. The project combines cutting-edge experimental techniques for functional characterization of surfaces with advanced theoretical methods for soft condensed matter.

Student profile : Physico-chimiste, école d’ingénieur, ou physicien de la matière molle. Compétences expérimentateur ayant de l’intérêt pour de la modélisation physique.

PLEASE CONTACT (CV) :

- Carlos Drummond
Centre de Recherche Paul Pascal (CRPP) UMR 5031
115 Av Schweitzer, 33600 Pessac, FRANCE ;
E-mail : Carlos Drummond ; Tél : 05 56 84 56 12

- Thomas Salez
Laboratoire Ondes et Matière d’Aquitaine (LOMA) 351 cours de la Libération, 33405 Talence, FRANCE ;
E-mail : Thomas Salez ; Tél : 05 40 00 25 01