yield stress

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yield stress

the critical stress that must be applied to a material before it begins to flow, as in a Bingham plastic.
References in periodicals archive ?
tension] represent the compressive and tensile yield stresses or flow stresses at the given compressive and tensile plastic strains, respectively.
Although none of the comparative studies [9, 16, 50] reported yield stresses or yield strains, the load-extension data were presented graphically in comparative studies I [9] and III [16].
and castor oil derivatives that form physical networks, which produce yield stresses.
Figure 3 shows that the replacement of 10% of Portland cement (by weight) with opoka and dolomite dust additives (Compositions III and VI) reduce the yield stresses of cement pastes by 9.
1), there are six independent anisotropic coefficients in which F, G, H are anisotropic coefficients of the main yield stresses and L, M, N are anisotropic coefficients of the shear yield stresses in the principal axes of anisotropy.
But the change of values for elongation and reduction of area measured at different coefficients of friction is even smaller (less than 5%) than the change of tensile and yield stresses.
The maximum shrinkage stress values from drying were similar to those of relaxed compression yield stresses at the same temperature and RH conditions.
Unfortunately, accurate measurements of yield stresses and degrees of thixotropy are difficult and shear histories and other variables impact results.
The engineering stresses, corresponding to that strain at yield, are combined with the engineering yield stresses from the tensile experiments in Fig.
as well as high polydispersity in size and shape may be at the origin of strong fiber--fiber interactions responsible for the high yield stresses observed.
The comparisons between the predicted yield stresses and experimental data versus the rubber and talc volume contents at a strain rate of [10.