critical strain

critical strain

[′krid·ə·kəl ′strān]
(metallurgy)
The strain at which heating causes rapid growth of large grains in many metals and alloys; phase transformations do not occur.
References in periodicals archive ?
Critical Strain and Its Dependence on the Elongational Rate and Temperature of the Run
The copolymer with the highest vinyl alcohol content exhibited a critical strain rate, showing maximum values of Young's modulus at a deformation rate around 0.
The critical strain energy release rate, a measurement of fracture toughness from the perspective of energy consumption in fracture, has been applied to study brittle and semi-ductile polymeric materials with a small-scale plastic yielding at the crack tip.
and (b) Is the critical strain rate (where hysteresis loss starts to increase with increasing strain rate) and critical holding time or normalized time (where, the rate of increasing hysteresis loss starts to decrease or increase with increasing holding time or normalized time) affected by the compositional variables, strain history, strain rates, strain levels and temperatures?
Nan [11] obtained the critical strain for the DRX initiation of Ti-5Al-5Mo-5V-1Cr-1Fe alloy under different deformation conditions by identifying the curve inflection of work hardening rate with respect to the stress.
The critical strain can be defined as the strain in which the electrical conductivity rises or drops by 5% from the zeros train value.
11), the effects of the critical strain (the separation point between linear and non-linear viscoelasticity) can be studied.
In tensile testing of fiber reinforced plastics, first micro cracks occur as soon as a critical strain is exceeded.
Instead of finding the pressure drop under applied strain rate, the critical strain rate that causes hot tearing was estimated.
A direct test method for measuring the Mode I critical strain energy release rate, [G.
Then the equivalent strain under the multiaxial stress state, or strain range in case of low cycle fatigue, is multiplied by multiaxiality factor MF, which is related to TF and equated to the uniaxial critical strain e.
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