Search Results - "LEBYODKIN, M. A"
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Mechanisms of anisotropy of mechanical properties of α-titanium in tension conditions
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (24-02-2014)“…The plasticity of hexagonal materials is strongly anisotropic and involves different microscopic mechanisms such as mechanical twinning and dislocation glide…”
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2
Effect of deformation geometry on the intermittent plastic flow associated with the Portevin–Le Chatelier effect
Published in Acta materialia (01-11-2008)“…The unstable plastic flow caused by the Portevin–Le Chatelier effect is studied experimentally. Non-local effects due to strain heterogeneity are addressed by…”
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3
Geometrically non-linear modeling of the Portevin–Le Chatelier effect
Published in Computational materials science (01-02-2009)“…In this work we investigate the plastic instabilities associated with the Portevin–Le Chatelier (PLC) effect in Al alloy 2024. A semi-phenomenological approach…”
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4
Multifractal analysis of the Portevin-Le Chatelier effect : General approach and application to almg and AlMg/Al2O3 alloys
Published in Acta materialia (01-07-2005)“…Recent studies of the Portevin-Le Chatelier (PLC) effect bear evidence that serrated deformation curves characteristic of unstable plastic flow may exhibit…”
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5
The influence of dispersion particles on the Portevin–Le Chatelier effect: from average particle characteristics to particle arrangement
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (15-12-2004)“…The Portevin–Le Chatelier (PLC) effect in Al–Mg alloys reinforced with second-phase particles was studied both experimentally and by computer simulation. An…”
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6
On the mechanism of unstable plastic flow in an austenitic FeMnC TWIP steel
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (30-08-2009)“…The complex character of plastic deformation of the austenitic steel Fe22Mn0.6C is studied at room temperature with the aid of high-frequency local…”
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7
Unusual behavior of the Portevin–Le Chatelier effect in an AlMg alloy containing precipitates
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (01-07-2015)“…Stress serration patterns and kinematics of deformation bands associated with the Portevin–Le Chatelier effect in an Al–Mg alloy were investigated by analyzing…”
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8
Domain Structure and Magnetization Reversal Micromechanisms in Quasi-Two-Dimensional Exchange-Biased Nanomagnetics
Published in Physics of the solid state (01-11-2018)“…—The domain structure and magnetization reversal mechanisms are studied in quasi-two-dimensional exchange-biased NiFe/FeMn and NiFe/NiO nanomagnetics, using a…”
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9
Dynamics of deformation band formation investigated by high-speed techniques during creep in an AlMg alloy
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (20-01-2020)“…Dynamics of the deformation band formation during creep in an Al–Mg alloy was investigated by simultaneous high-speed video recording of deformation bands with…”
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10
On the similarity of plastic flow processes during smooth and jerky flow: Statistical analysis
Published in Acta materialia (01-05-2012)“…Jerky flow in dilute alloys, or the Portevin–Le Chatelier effect, is investigated using statistical analysis of time series characterizing the evolution of the…”
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11
Effect of equal channel angular pressing on the Portevin–Le Chatelier effect in an Al3Mg alloy
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (01-10-2014)“…Plastic deformation of alloys is often accompanied with discontinuous flow known as the Portevin–Le Chatelier (PLC) instability. Recent studies of mechanical…”
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12
Multifractal analysis of evolving noise associated with unstable plastic flow
Published in Physical review. E, Statistical, nonlinear, and soft matter physics (01-03-2006)“…Plastic flow instability attracts increasing interest as a self-organization phenomenon showing various dynamical regimes, including deterministic chaos and…”
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13
Role of superposition of dislocation avalanches in the statistics of acoustic emission during plastic deformation
Published in Physical review. E, Statistical, nonlinear, and soft matter physics (01-10-2013)“…Various dynamical systems with many degrees of freedom display avalanche dynamics, which is characterized by scale invariance reflected in power-law…”
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14
Correlation versus randomization of jerky flow in an AlMgScZr alloy using acoustic emission
Published 15-04-2021“…Physical Review E 97 (2018) 013001(1-9) Jerky flow in solids results from collective dynamics of dislocations which gives rise to serrated deformation curves…”
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15
Multifractality and randomness in the unstable plastic flow near the lower strain-rate boundary of instability
Published in Physical review. E, Statistical, nonlinear, and soft matter physics (01-02-2008)“…The unstable plastic flow of an AlMg alloy, associated with the Portevin-Le Chatelier effect, was studied near the lower strain-rate boundary of instability…”
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16
Statistics of the catastrophic slip events in the Portevin-Le Châtelier effect
Published in Physical review letters (05-06-1995)Get full text
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17
Multiscale study of acoustic emission during smooth and jerky flow in an AlMg alloy
Published in Acta materialia (01-11-2012)“…The acoustic emission (AE) accompanying jerky flow in dilute alloys, the so-called Portevin–Le Chatelier effect, is usually considered to be composed of…”
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18
Micromechanical modeling of hardening mechanisms in commercially pure α-titanium in tensile condition
Published in International journal of plasticity (01-05-2016)“…Tensile tests on commercially pure α-titanium show a three-stage behavior giving rise to a well on the strain dependence of the work hardening. An opposite…”
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Crossover in the scale-free statistics of acoustic emission associated with the Portevin-Le Chatelier instability
Published in Scripta materialia (15-04-2018)“…The acoustic emission accompanying plastic deformation obeys scale-free statistics reflecting avalanche-like dislocation motion. This feature holds out for the…”
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Breakdown of antiferromagnet order in polycrystalline NiFe/NiO bilayers probed with acoustic emission
Published in Applied physics letters (17-07-2017)“…Magnetization reversal of polycrystalline NiFe/NiO bilayers was investigated using magneto-optical indicator film imaging and acoustic emission techniques…”
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