Viscosity measurement
This section presents the viscosity measurement of a paste of a hard
metal mixture, whose main constituents are: tungsten carbide (WC), cobalt
(Co) and paraffin wax. Evaluation of the viscosity is performedwith
an extruder rheometer, which is a measuring instrument for characterizing
the rheological behavior of biphasic systems with high solid concentrations
(near the maximum packing fraction), such as cement pastes or
carbidemixtures. An extruder rheometer consists essentially of a cylinder