40 Result(s)
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Article
L. B. Zuev
Nuclear Physics, Heavy Ions, Hadrons
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Article
Plastic Flow Autowaves and the Periodic Table of the Elements
Plastic flow patterns are considered for nineteen metals from the 3rd, 4th, 5th, and 6th periods of the Periodic Table of the Elements. A conditional plasticity characteristic has been introduced, and its relatio...
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Article
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. Plastic flow instability in the form of periodically changing s...
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Macroscopic Plastic Flow in Solids. The Basic Model
The autowaves of localized plastic flow are considered for the stages of easy glide and linear work hardening in a number of metals. The propagation rates were determined experimentally for the autowaves in qu...
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Autowave Process of Plastic Flow in Cu–Ni Alloys
This work is aimed at studying the effect of Ni content in Cu–Ni alloys on the localization of plastic flow under uniaxial tension. The regularities of localized plastic flow at different stages of work harden...
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Autowave Description of the Lüders and Portevin–Le Chatelier Phenomena
The kinetics of Chernov–Lüders and Portevin–Le Chatelier deformation processes at the yield plateau in an aluminum-magnesium alloy is analyzed. It is established that the deformation is localized in moving def...
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Integrated Analysis of Mechanical and Acoustic Properties of Materials
A model of evolution of the localized plastic flow of a solid is considered based on the idea of interaction of plastic flow carriers and signals of acoustic emission pulses originating during elementary plast...
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Deformable Material as a Nonlinear Active Medium
The regularities of the formation of localized plastic flow autowaves in metals upon Lüders and Portevin–Le Chatelier deformations are considered taking into account the difference in the microscopic plastic f...
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Model of Plastic Deformation and Failure of Solids
A model of localized plastic flow development based on the idea about interaction between plasticity carriers and acoustic emission pulses generated by develo** elementary plasticity acts is proposed. It is ...
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Nature of the Elastic-Plastic Strain Invariant
The nature of the elastic-plastic strain invariant is considered. It is shown that the absolute values of the invariant obtained in experiments obey the normal distribution. The contributions of the scale and ...
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Relaxation Mode of Macroscopic Plastic Deformation in Metals
The relaxation of elastic energy during macroscopic plastic deformation in a rigorous formulation is determined by solutions of the system of nonlinear equations of mechanics of a deformable solid. Using metho...
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Autowave Plasticity of Metals and their Positions in the Periodic Table of Elements
General patterns of localized plastic flow development are described at linear work hardening stages of nineteen metals. Correlations between the position of the element in the periodic table of elements and t...
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Article
Relation of the Lattice and Deformation Characteristics at Plastic Flow of Metals
A new approach is suggested for explanation of autowave processes during plastic deformation of metals. It is based on the postulate that a quasiparticle corresponds to a localized flow autowave. Characteristi...
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Article
Autowave Pattern of Transformation-Induced Plasticity Steel Deformation
The deformation behavior of TRIP steel at the macroscopic level is experimentally investigated. It has been established that the deformation-induced austenite → martensite phase transformation is developed by ...
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Vibrational Kinetics of the Lüders Front
The regularities in the inhomogeneous development of plastic deformation at the front of the Lüders band at the yield plateau in Hadfield steel single crystals are considered. It has been established that the ...
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Basic Relationships of the Autowave Model of a Plastic Flow
Macroscopic laws of the development of plastic flow localization autowaves in metals, alloys, alkali halide crystals, and rocks are investigated. It is shown that the characteristics of elastic and plastic wav...
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Article
Using a crystal as a universal generator of localized plastic flow autowaves
Patterns accompanying the development of a localized plastic flow in solids are considered. A correlation between products of the linear and rate parameters of elastic and plastic flows is revealed by analyzin...
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Regularities of Macroscopic Localization of Plastic Deformation in the Stretching of a Low-Carbon Steel
The special features of plastic deformation localization in the stretching of polycrystals of low-carbon steel 08 ss after hot rolling and electrolytic saturation with hydrogen are investigated. The main types...
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Article
Analysis of the plasticity margin in a rolling site
A stress-deformed state of zirconium alloy in a cold rolling site is investigated considering the process of evolution of localized deformation autowaves and changes in the ultrasound velocity. It is establish...
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Special features of the localized plastic deformation and fracture of high-chromium steel of the martensitic class
The deformation behavior of high-chromium steel (0.4%C–0.6%Si–0.55%Mn–12.5%Cr) of martensitic structure upon quenching and of sorbitic structure upon high-temperature tempering has been investigated. Each of t...
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Article
Kinetics of localized plastic flow during deformation and fracture of a D1 alloy
The stress-strain curve of a polycrystalline duralumine (D1) is studied to find three basic deformation stages: linear hardening, parabolic hardening (n = 1/2), and prefracture (n < 1/2). The results obtained ...
