Strain and Deformation
Determination of strain deformation statein the meduiim of the initial strain condition
... Estimation of side pressure influencing casings in complicated rheological condition in big depths forms the basis of efficie reliable consolidation of the well walls and preparing of pipelines. It is known that before ...
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PLASTIC DEFORMATION AND EFFECTIVE STRAIN HARDENING
... materials for use in advanced nuclear reactors, the long-term effects of neutron irradiation on mechanical performance must be understood. However, high-dose neutron exposure is often simulated using ion bombardment. ...
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Constitutive model for large strain deformation of semicrystalline polymers
... Constitutive model validation for the Brusselle-Dupend model was carried out by comparison with experimental data and it was shown that the simulations closely reproduced the expected results for mul- tiple cases of ...
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Rockslide deformation monitoring with fiber optic strain sensors
... sor deformation and recorded at 100 Hz, while continuous data are logged every 5 ...min. Deformation time series for all sensors show displacements consistent with previous moni- ...the strain ...
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Modeling of Deformation Behavior and Dynamic Strain Ageing in ECAP
... density-based strain-hardening model Here a brief review of three-dimensional version of the dislocation density-based strain-hardening model which was developed by Toth et ...the deformation ...
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The Small Deformation Strain Tensor as a Fundamental Metric Tensor
... In the general theory of relativity, the fundamental metric tensor plays a special role, which has its physical basis in the peculiar aspects of gravitation. The fundamental property of gravitational fields provides the ...
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GPS derived Crustal Deformation and Strain determination in India
... the deformation in the Earth due to tectonic processes, leading to ...finite strain if one assumes a deformation mechanism and that the style of deformation has been the same over long periods ...
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Effect of Deformation Temperature and Strain Rate on Evolution of Ultrafine Grained Structure through Single Pass Large Strain Warm Deformation in a Low Carbon Steel
... warm deformation in the temperature range from 773 K to 923 K has been investigated in a ...the deformation conditions such as deformation temperature and strain rate on microstructural ...
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Measurement and prediction of deformation in plane strain compression tests of AA5182
... Plane strain compression, Aluminium alloy, AA5182, Finite element Introduction The rolling process always results in a very hetero- geneous deformation across the thickness of the slab, which in turn ...
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A novel method for severe plastic deformation at high strain rate
... high strain rates, although dynamic SPD is known to enhance structural fragmentation as well as to introduce new deformation mechanisms unavailable at slow strain rates ...of deformation is ...
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Effects of Strain Rate and Temperature on the Deformation and Fracture Behaviour of Titanium Alloy
... alloy, strain rate and temperature effects, deformation behaviour, adiabatic ...material deformation mechanisms depend sig- nificantly on the operating temperature and applied strain ...and ...
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Microstructure Evolution in Ferritic Stainless Steels during Large Strain Deformation
... large strain plastic ...severe deformation could be associated with the formation of strain-induced dislocation subboundaries, namely geometri- cally necessary boundaries; then a gradual increase in ...
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Multiphysical dislocation dynamics models for high strain rate plastic deformation
... chapter ends with a description of thermal effects due to dislocation motion under high strain rate deformation. In Chapter 3, the first fully coupled electromechanical discrete dislocation dynamics model, ...
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Peridynamic model for visco-hyperelastic material deformation in different strain rates
... Yeoh strain energy density function and Prony ...Yeoh strain energy density. The time-dependent behaviour for different strain rates is captured by numerical time integration representing the ...
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Effect of pre-strain on stretch flange deformation limit of steel sheets
... flange deformation limit of steel sheets was investigated by hole expansion tests under various pre-strain ...The strain ratio and amount of pre-strain were controlled by changing the blank ...
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The impact of preload on 3-dimensional deformation parameters: principal strain, twist and torsion
... of strain, twist and tor- sion acquired from 3D STE should be interpreted with caution and with consideration of the preload status of the ...actual deformation along the principal direction, especially in ...
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Modeling the Large Strain Deformation and Nonlinear Fracture Modes of Hydrided Zirconium Alloys.
... CHAPTER 5: The Effects of Hydrided Zircaloy-4 Large Strain Inelastic Deformation 5.1 Introduction In this chapter, the effects of hydride morphologies on the behavior of zircaloy-4 deformation will ...
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Large Inelastic Strain Deformation and Fracture of Hexagonal Close Packed Crystalline Alloys.
... large strain deformation and fracture modes in ...misfit strain for semi-coherent with a dislocation-density crystalline plasticity formulation, a non-linear finite-element and a fracture approach ...
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Strain Heterogeneity, Recovery and Recrystallization of Nanostructured ODS Alloys during Cold Deformation
... the strain path is not constant and introduced a large shear deformation near the sheet surface and stimulates a sufficient driving force for nucleation and then ...
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Adiabatic Shearing Localisation in High Strain Rate Deformation of Al Sc Alloy
... high strain rate deformation, metals and alloys frequently form narrow zones of highly localised flow, referred to as adiabatic shear ...This deformation mode is commonly observed in ballistic ...
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