yield stress

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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 ?
However, this is uncertain since the plots for the yield stresses and yield strains can be seen to be very sensitive to small variations while the data for the variations in the plots for the tensile stresses and strains at necking are more readily apparent.
Silica fume suspension increases the yield stresses of cement paste and the viscosity of the paste reduces with a higher content of silica fume.
The device was successfully used in applying load to small wood specimens and monitoring wood compression yield and relaxed compression yield stresses (Ohshima 2002) and wood shrinkage stresses (Cheng et al.
Higher fiber concentrations lead to a dominant elastic behavior and higher yield stresses.
For all blends studied, the reported yield stresses are lower than the yield stress of neat PP and the tensile strength of neat PS which are 31.
Values of yield criteria parameters obtained by fitting all available yield stresses.
13-15] estimated composite yield stresses using the following relation:
The parameter A once again captures the respective yield stresses of both foams effectively.
These yield stresses are very much larger than the corresponding Min([[tau].