flow stress


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flow stress

[′flō ‚stres]
(mechanics)
The stress along one axis at a given value of strain that is required to produce plastic deformation.
References in periodicals archive ?
The flow stress is a function of strain, strain rate and temperature (18-20):
Among specific topics are removing isopropyl alcohol using an anodized photocatalytic metal membrane reactor, properties of artificial aggregate made using magnetically separated bottom ash from a coal power plant, measuring the porosity of copper by unidirectional solidification, effects of sintering condition and additives on translucent silicon nitride ceramics, predicting the flow stress of a highly alloyed austenitic stainless steel using artificial neural network, and the effects of catchment materials and treatment train on water quality in a rainwater harvesting system.
of Michigan) presents chapters on stress and strain, elasticity, mechanical testing, strain hardening of metals, plasticity theory, strain rate and temperature dependence of flow stress, slip and crystallographic textures, dislocation geometry and energy, dislocation mechanics, mechanical twining and martenitic shear, hardening mechanisms in metals, discontinuous and inhomogeneous deformation, ductility and fracture, fracture mechanics, viscoelasticity, creep and stress rupture, fatigue, residual stresses, ceramics and glasses, polymers, composites, and mechanical working.
The accuracy of the FEM predictions is squarely dependent on the choice of Flow stress models [7, 8, 9] used to represent the constitutive behavior of the work material.
After reaching a maximum, the flow stress continously decreases until failure.
It has been found that (a) the effective elastic modulus is strongly influenced by strain rate and temperature, (b) the polymeric materials below the glass transition temperature continue straining after a maximum flow stress has been achieved, i.
The enlarged portfolio under the tap issuance was subjected to the same cash flow stress scenarios utilized in the original analysis.
The Test of Time - Future Flow Stress Cases - 2010' (Sept.
Flow stress is a fundamental and critical input parameter for successfully modelling the physical behaviour of materials in a machining process.
This volume consists of seven chapters on intermetallics, with discussions of crystal chemistry and bonding theory, the geometry and dynamics of dislocations and related defects in intermetallics, and theory and experiments relating to flow stress, work-hardening, fatigue, and creep.
Over the portion of the tool-chip contact area near the cutting edge, sticking friction occurs, and the frictional shearing stress is equal to the average shear flow stress at tool-chip interface in the chip.
2 Flow stress data for PMMA, MPa [epsilon]/T 25[degrees]C 95[degrees]C 100[degrees]C 0.