yield stress


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Related to yield stress: ultimate stress

yield stress

[′yēld ‚stres]
(fluid mechanics)
The minimum stress needed to cause a Bingham plastic to flow.
(mechanics)
The lowest stress at which extension of the tensile test piece increases without increase in load.
References in periodicals archive ?
compression] - compressive yield stress or flow stress at the given compressive plastic strain
As well, fiber reinforcing had the most effective improvement on the yield stress of PP samples (see Fig.
Then, the fluid is constrained and cannot flow until the pressure difference between internal surface and external surface is higher than that produced by the yield stress of MRF.
MR fluids are characterized by an increase in dynamic yield stress upon application of a magnetic field.
On the other hand, rainfall-induced landslides occur when the excess load generated by water in saturated soil overcomes the yield stress of the soil.
This is less than 25% of the yield stress and less than 8% of the yield strain.
2005) described that yield stress and viscosity were higher in slag cement paste than in Portland cement paste due to an irregular and sharp shape of slag particles.
The experimental design and the mean values of the rheological parameters of flow behaviour index (n), consistency coefficient (K), and yield stress ([[tau].
Yield stress in concrete mixtures depends on a number of factors: water/cement ratio, the size of aggregates and their concentration in a mixture, the amount of Portland cement, etc.
8 percent film exhibited a decrease in yield stress and modulus values compared with neat iPP film and the 0.
Furthermore it is assumed that the first layer crack is constant in length and does not propagate while in the second layer crack de-bonding has occurred as represented by the length a2oe where a constant frictional shear force is acting as shown by qf2oe=Dqy2where qy2 is the yield stress of the second interface and D is the reduction factor.
The topics include crystallography and polymorphism, the rheology of fats, viscoelastic properties of fats, yield stress and the elastic modulus of a fat crystal network, and liquid-multiple solid phase equilibria in fats.