yield strength

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yield strength

[′yēld ‚streŋkth]
(mechanics)
The stress at which a material exhibits a specified deviation from proportionality of stress and strain.

yield strength

The stress at which a material exhibits a specified limiting deviation from the proportionality of stress to strain.

yield strength

The load on a material that causes the initial indication of permanent distortion. It is the stress point at which a material exhibits a specified deviation from the proportionality of the stress and strain. See yield point.
References in periodicals archive ?
The importance is predicated on this: while HSS has yield strengths from 210 to 550 MPa and tensile strengths of 270 to 700 MPa, the ultrahigh strength steels (UHSS), which is the extreme end of the AHSS category, have a yield strength of 550 MPa or more and a tensile strength of 700 MPa or more.
Tensile yield strengths were 1769 psi for nylon 66 and 1203 psi for nylon 12, or 92% and 63% of virgin PE strength, respectively.
For specimens parallel to the flow direction, the yield strengths at different melt temperatures were very close and the stress-strain curves after yielding did not show much difference.
They are highly resistant to stress corrosion cracking and higher tensile and yield strengths than ferritic and austenitic grades and are used in heat exchangers and food pickling plants.
This new domestic source of martensitic stainless steel production tubing will be available in a variety of yield strengths.
Lower austempering temperatures produce freer structures that have higher tensile and yield strengths and superior wear resistance.
Table 1 gives the yield strengths and yield strains obtained with the L-direction specimens containing a central hole.
What's happening is that there is a comparatively new class of steel, ultra high strength steel, or advanced high strength steel (AHSS), materials with yield strengths in excess of 550 MPa.
The facility is expected to be in operation by mid-1999 and will produce cut-to-length steel in thicknesses up to 1/2 inch, widths up to 96 inches, and yield strengths up to 100,000 pounds per square inch.
Tests were performed at 1 mm/min cross-head speed to determine the Young's moduli and at 100 mm/mn cross-head speed (standard ISO 178) to determine the yield strengths.