https://doi.org/10.1351/goldbook.S05634
For systems showing non-Newtonian behaviour when measured in steady equal to at a given value of the , where is the stress; is the limiting the limiting is the limit of
simple shear
, a coefficient
shear rate
viscosity
at zero shear rate
, and viscosity
at infinite shear rate
; intrinsic viscosity
at zero shear.