Yield stress definition

Yield stress means the stress at which a permanent elongation of 2 per thousand (i.e. 0.2%) or, for austenitic steels, 1% of the gauge length on the test-piece, has been produced.
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Yield stress means the stress at which a material exhibits a specified deformation or set.
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Examples of Yield stress in a sentence

  • Yield stress (Y), ultimate tensile strength (UTS), strain at break (εf), solidus temperature (Tsolidus), specific heat (c), thermal conductivity (λ).

  • Yield stress and tensile strength of welded specimens are 255 MPa and 403MPa respectively, which means that the yield strength is almost half that of the base material.

  • Yield stress properties allow the material to sustain external forces and to keep its initial shape under gravity [25,27,29].

  • Yield stress of foams made with large particles is well-described by theory developed from micro-mechanics of particle-loaded yield stress materials, suggesting that for such size ratios, foam can be considered as a continuous matrix.

  • Samples Yield stress (Pa) Disproportionation α (10-3·s-1/2) untreated β-lguntreated WPIbc 16.18 ± 0.56 bc d 5.80 ± 1.09 a e 14.75 ± 1.54 b e 11.63 ± 1.56 ab e 15.34 ± 2.07 b WPI samples exhibited significantly higher values of yield stress than β-lg samples, whatever theprocessing conditions.

  • Yield stress fluids (YSF) are encountered in a wide range of applications: toothpastes, cements, mortars, foams, muds, mayonnaise, etc.

  • Yield stress of emulsion foams is found to be governed by both the Bingham- capillary number (i.e. the emulsion yield stress scaled by the bubble capillary pressure), and the volume fraction of interstitial emulsion.

  • Yield stress measurements in suspensions: An inter-laboratory study.

  • Yield stress (ζo) represents the value of the minimum force that must be applied to a sample in order for it to begin to flow (Sanz et al., 2008).

  • Yield stress of the remoulded specimens depends on the maximum stress applied to reconstitute the specimen, whereas in the case of the intact specimens, yield is related to the soil’s fabric and possibility to light cementation.

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