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Crystal plasticity finite element model of the brittle–ductile transition temperature and fracture toughness of irradiated A508-3 steel
The brittle–ductile transition temperature (BDTT) and fracture toughness are useful indicators of the brittleness of reactor pressure vessel...
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CYLINDRICAL DISLOCATION IN A NONLINEAR ELASTIC INCOMPRESSIBLE MATERIAL
AbstractA cylindrical dislocation in an incompressible Mooney–Rivlin solid is studied using the nonlinear equations of the theory of elasticity and...
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Size Effects in Cosserat Crystal Plasticity
Some Cosserat elastoplasticity models for single crystals are reviewed in the present chapter. Their size-dependent response is evaluated in the case...
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Elasto-plasticity
For almost any metal and at rather small rates of loading, we obtain a mean curve...
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Construction of a Two-Dimensional Discrete Dislocation Model to Describe the Plastic Deformation Process of a Single Crystal
The paper considers the development and numerical implementation of a two-dimensional discrete dislocation model to describe the inelastic...
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Localized Plasticity Pattern at the Prefracture Stage: Origin and Development
AbstractA pattern of macroscopic deformation bands with a characteristic size of ~10 mm was revealed experimentally in a uniaxially deformed sample...
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Simultaneous effect of grain size and indenter dimension on the dislocation nucleation and growth in nanoindentation and nanoscratch processes
Molecular dynamics simulations are employed to study dislocation movement and wear response of nanocrystalline nickel (Ni). To explore the...
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Strain Rate Effect on Dislocation Structure in Dispersion-Hardened Alloy with Incoherent Nanoparticles
The paper studies the influence of strain rate on the density of the dislocation system components in dispersion-hardened materials having different...
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Localized Plasticity Autowaves Evolution in Aluminium
The kinetics of plastic flow localization foci in polycrystalline Al is investigated at room temperature via double-exposure speckle photography....
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Verification of Classical Models of Hardening by the Method of Molecular Dynamics in the Case of Magnesium Deformation by Compression
The method of molecular dynamics is applied to study the features of the plastic flow of hexagonal magnesium, namely, the evolution of dislocation...
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Thermodynamic theory of dislocation/grain boundary interaction
The thermodynamic theory of dislocation/grain boundary interaction, including dislocation pileup against, absorption by, and transfer through the...
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PLASTIC STRUCTURE FORMATION OF THE 1570R ALLOY (Al–Mg–Sc) USING THE PHYSICO-MATHEMATICAL THEORY OF METAL PLASTICITY
AbstractThis study touches upon the disadvantages of the classical mathematical theory of plasticity used a basis to develop and investigate...
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An Application to Smectic A Liquid Crystals, Dislocation, and Crack
In the previous chapter, we discuss general soft matter using the theory and method developed for solving soft-matter quasicrystals, where we...
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Three-Level Dislocation-Based Model for Describing the Deformation of Polycrystals: Structure, Implementation Algorithm, Examples for Studying Nonproportional Cyclic Loading
AbstractA three-level constitutive model is proposed for describing the deformation of polycrystalline materials, which is based on crystal...
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Influence of Nanosized Incoherent Particles on Dislocation Annihilation in Heterophase Aluminum-Matrix Crystalline Alloys
Using mathematical modeling, patterns of changing the densities of dislocation subsystem components in dispersion hardened materials have been...
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Formation of an Irregular Pattern of Localized Plasticity in the Linear-To-Parabolic Hardening Transition
During the transition from the linear hardening stage to parabolic hardening, the formation of an irregular pattern is experimentally observed. The...
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Plastic Deformation
The plastic deformation, or plasticity, of crystals has been rationalized in terms of dislocations since the 1930s, and current computational...
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Plasticity
Plasticity is the paradigm for non-reversible, rate-independent material behavior. Experimental evidence for various classes of materials, in...
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The Physical Nature of Plasticity
AbstractThe paper analyzes the plasticity of deformed solids as a hierarchical translational-rotational system. The analysis shows...
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Plasticity
The following papers will often be cited in this chapter, as they are pioneering original works: GREEN/ NAGHDI (1965, 1971), LEE/ LIU (1967), LEE...