yield strength

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tensile yield strength
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الإنجليزية - الإنجليزية
The stress at which a material exhibits a specified limiting permanent set Determined by a measurable value of plastic yielding of the material, above which the material is considered to be damaged and below which the damaging effects are considered to be negligible
The stress at which a material exhibits a specified limiting deviation from the proportionality of stress to strain (The deviation is expressed in terms of strain such as 0 2 percent for the Offset Method or 0 5 percent for the Total Extension Under Load Method )
Indication of maximum stress that can be developed in a material without causing plastic deformation It is the stress at which a material exhibits a specified permanent deformation and is a practical approximation of elastic limit Offset yield strength is determined from a stress-strain diagram It is the stress corresponding to the intersection of the stress-strain curve, and a line parallel to its straight line portion offset by a specified strain Offset for metals is usually specified as 0 2%, i e , the intersection of the offset line and the 0-stress axis is at 0 2% strain Offset for plastics is usually 2%
the stress at which steel exhibits a significant amount of plastic deformation; generally taken at 0 2%e Generally, it is a measure of the stress at which a steel sample (coupon) will begin to permanently deform under a tensile stress
The minimum stress at which a material will start to physically deform without further increase in load or which produces a permanent strain This is known as the elastic limit of the material
the stress at which a steel specimen exhibits permanent deformation
Measures the resistance of material to plastic deformation When a fastener is stretched, yield strength is the point where the fastener will not return to its original length following testing It is measured in terms of pounds per square inch (psi) or megapascals (MPa) Yield strength is often determined by the offset method illustrated to the left
stress at which a material exhibits a specific deviation (usually 0.2%) from the standard proportion between stress and strain (Mechanics)
The stress at which a material exhibits a specified permanent set The offset used for aluminum and its alloys is 0 2 percent of gauge length For aluminum alloys the yield strengths in tension and compression are approximately equal
the minimum stress required to create permanent deformation in a metal
A measurement that describes the force a metal product bears at a pre-defined % of deviation in dimensional proportions The specified deviation for titanium is usually at 2(two) %
Stress in psi at which a specimen assumes a specified limited permanent set
Maximum stress that can be applied without permanent deformation of material
the stress level above which the pipe will yield/bend/stretch
The stress at which a material exhibits a specified deviation from proportionality of stress and strain An offset of 0 2% is used for many metals including steels
The minimum stress at which a material will start to physically deform
It is the stress which induces a specified permanent set This is useful for materials which have no well defined yield point The offset method is generally used to determine yield stress
Strength at a point at which the strain begins to increase very rapidly without a corresponding increase in stress
The stress at which a material exhibits a specified deviation from a linear proportionality between load and elongation In the tension test, the load associated with an offset of 0 2% from linearity is used for many metals to calculate the yield strength
Amount of stress necessary to cause plastic deformation
The load per unit area that a material can withstand before permanent deformation (nonelastic) occurs It is conventionally determined by a 2% offset from the modulus slope on a stress/strain diagram Units are in psi and referenced to 2% offset in most literature
The stress beyond which stainless steel undergoes important permanent flow commonly specified as that stress producing a 0 2% offset from the linear portion of the stress-strain curve
The stress at which a material ceases to deform in a fully elastic manner
yield strength
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