Group of Laboratories of Physics of Solids and Materials Science (GPSSM), Department of Physics, Faculty of Sciences and Techniques, Cheikh Anta Diop University, Dakar, Senegal;
Department of Mechanic, Faculty of Sciences and Techniques, University of Mongo, Mongo, Chad;
Department of Physical Science, Faculty of Exact and Applied Sciences, University of N’Djamena, N’Djamena, Chad;
Rheology; Behavior; Polyethylene; Oxide; Couette; Geometry; Viscosity; Speed; Profiles; Shear; Stress; Shear; Bands; Shear; Rate; Localization; Rheo-Fluidifying; Threshold;