A. Iziumova
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View article: Deep Learning Prediction of Exhaust Mass Flow and CO Emissions for Underground Mining Application
Deep Learning Prediction of Exhaust Mass Flow and CO Emissions for Underground Mining Application Open
Diesel engines power much of the heavy-duty equipment used in underground mines, where exhaust emissions pose acute environmental and occupational health challenges. However, predicting the amount of air required to dilute these emissions …
View article: Численный анализ остаточных напряжений при двухстороннем симметричном лазерном ударном упрочнении тонких пластин из титанового сплава ВТ6
Численный анализ остаточных напряжений при двухстороннем симметричном лазерном ударном упрочнении тонких пластин из титанового сплава ВТ6 Open
Laser shock peening technology allows residual stresses of the first type (according to Davidenkov) to be generated (at a depth of more than 1 mm) in the near-surface zone of products made of metals and alloys. Extensive experimental studi…
View article: Studying the structure and mechanical behavior of acrylonitrile-butadiene-styrene samples after laser hardening
Studying the structure and mechanical behavior of acrylonitrile-butadiene-styrene samples after laser hardening Open
Improving the fatigue and strength properties of structural materials involves various surface processing methods. Laser shock peening (LSP), typically applied to the surfaces of metal components and structures, is one of the widely used a…
View article: Effect of laser shock peening patterns on fatigue life of notched TC4 specimens
Effect of laser shock peening patterns on fatigue life of notched TC4 specimens Open
The exhaustion of design options to increase the service life of components has led to the development of new methods to improve their material properties during operation under various loading conditions. Laser shock peening (LSP) induces…
View article: Fatigue life investigation of notched TC4 specimens subjected to different patterns of laser shock peening
Fatigue life investigation of notched TC4 specimens subjected to different patterns of laser shock peening Open
The exhaustion of constructive ways for increasing the service life of parts has led to the development of new methods which can improve their material properties during operation under various loading conditions. Laser shock peening (LSP)…
View article: The Effect of Laser Shock Peening on the Thermophysical Parameters of Metals
The Effect of Laser Shock Peening on the Thermophysical Parameters of Metals Open
Using Ti64 titanium alloy as an example, the article discusses the change in the thermophysical parameters of metals under the influence of a hardening method such as laser shock peening the essence of which is the formation of residual co…
View article: Heat dissipation and fatigue crack kinetic features of titanium alloy Grade 2 after laser shock peening
Heat dissipation and fatigue crack kinetic features of titanium alloy Grade 2 after laser shock peening Open
The work is devoted to experimental investigation of the laser shock peening (LSP) effect on fatigue crack propagation rate and heat dissipation at the crack tip in specimens made of titanium alloy Grade 2 with a stress concentrator. It is…
View article: Finite-element analysis of residual stresses in the TС4 titanium alloy treated by laser shock peening
Finite-element analysis of residual stresses in the TС4 titanium alloy treated by laser shock peening Open
Laser shock peening is an effective tool for generating deep compressive residual stresses (more than 1 mm) near the surface of metallic structures. This can improve their mechanical properties and fatigue performance. For this purpose, it…
View article: Energy balance and acoustic emission in titanium Grade 2 under fatigue
Energy balance and acoustic emission in titanium Grade 2 under fatigue Open
This work is devoted to the study of fatigue crack propagation features in titanium Grade 2 in order to develop effective methods for fatigue crack detection and prediction of its propagation rate. Two characteristic stages of heat dissipa…
View article: Approximation of Heat Dissipation-Crack Rate Curve for Fatigue Crack in Stainless Steel
Approximation of Heat Dissipation-Crack Rate Curve for Fatigue Crack in Stainless Steel Open
The experimental and theoretical analysis of thermodynamical peculiarities of heat flux at the fatigue crack tip during its propagation was made in presented work. The goal is to elucidate the relation between heat flow at the crack tip an…
View article: The evolution of energy balance in titanium alloy Ti-0.8Al-0.8Mn in cyclic deformation mode
The evolution of energy balance in titanium alloy Ti-0.8Al-0.8Mn in cyclic deformation mode Open
The present work is devoted to the experimental and numerical assessment of energy balance in titanium alloy Ti-0.8Al-0.8Mn in cyclic deformation mode. According to the thermodynamic theory of strength, the measure of damage is internal en…
View article: Development of a numerical simulation technique for modeling of failure of structures with stress concentrator under dynamic loading
Development of a numerical simulation technique for modeling of failure of structures with stress concentrator under dynamic loading Open
The constitutive equations taking into account non-local character of fracture near stress concentrators under dynamic loading have been developed. The generalization of a critical distance theory for dynamic loading which can be used for …
View article: Experimental investigation of fatigue crack induced energy dissipation under mixed mode loading
Experimental investigation of fatigue crack induced energy dissipation under mixed mode loading Open
The experimental study of heat flux evolution at the fatigue crack tip during uniaxial and biaxial loading was carried out. The plane samples of Grade 2 titanium alloy were weakened by notch to initiate fatigue crack. A contact heat flux s…
View article: A model of energy dissipation at fatigue crack tip in metals
A model of energy dissipation at fatigue crack tip in metals Open
Experimental and numerical studies investigating fatigue crack growth were conducted on flat samples made of stainless steel AISE 304 and titanium alloy Grade 2. The heat flux from the crack tip caused by plastic deformation localization w…
View article: Strength Assessment of a Titanium Alloys under Tensile Tests Based on the Analysis of Heat Sources
Strength Assessment of a Titanium Alloys under Tensile Tests Based on the Analysis of Heat Sources Open
IR thermography is very useful non-destructive tools for investigate fracture mechanics behavior of materials. The dissipative effects in metals during plastic deformation and change in the internal structure leads to intensive heat genera…
View article: Experimental and theoretical analysis of heat flux at fatigue crack tip under mixed mode loading
Experimental and theoretical analysis of heat flux at fatigue crack tip under mixed mode loading Open
The work is devoted to experimental and theoretical study of heat dissipation at the fatigue crack tip during mixed mode loading. The plane samples of stainless steel (AISI 304) were weakened by notch to initiate fatigue crack. There were …
View article: An analysis of experimental techniques for estimation of dissipated energy evolution in metal alloys under plastic deformation
An analysis of experimental techniques for estimation of dissipated energy evolution in metal alloys under plastic deformation Open
This work is devoted to the comparative analysis two approaches for investigation of energy dissipation in metal under fatigue crack propagation.The flat specimens with V-shaped stress concentrators from steel 304 AISE and titanium alloy G…
View article: An dissipated energy based analysis of fatigue crack propagation law
An dissipated energy based analysis of fatigue crack propagation law Open
The experimental study of heat flux evolution at the fatigue crack tip during biaxial loading was carry out in this work. The plane samples of stainless steel AISI 304 with thick of 3 mm were weakened by notch to initiate fatigue crack at …
View article: A Study of Energy Balance in Deformed Metals for Assessment of Damage Accumulation Stage
A Study of Energy Balance in Deformed Metals for Assessment of Damage Accumulation Stage Open
The work is devoted to study of energy balance in metals under plastic deformation and failure. Based on our previous experimental results we develop a phenomenological thermodynamic model of heat dissipation in metals. It allows us to sim…
View article: The experimental and theoretical study of plastic deformation in the fatigue crack tip based on method of digital image correlation
The experimental and theoretical study of plastic deformation in the fatigue crack tip based on method of digital image correlation Open
This work is devoted to the experimental study of strain distribution at crack tip using digital image correlation technique. The real strain fields were compared with an elastic solution for verification of a hypothesis about link of the …
View article: Analyzing the influence of fatigue crack rate on the peculiarities of heat dissipation at fracture
Analyzing the influence of fatigue crack rate on the peculiarities of heat dissipation at fracture Open
This paper is concerned with an experimental study of heat dissipation from the fatigue crack tip in specimens under biaxial loading with a variable biaxial coefficient (0, 0.5, 1). Cruciform specimens were made from the Grade 2 titanium a…
View article: The heat dissipation at fatigue crack tip under mix mode loading
The heat dissipation at fatigue crack tip under mix mode loading Open
The cruciform plane specimens of titanium alloy VT1-0 with a thick of 1 mm were tested to study temperature evolution under fatigue crack propagation. The original contact sensor of heat flow and method of infrared thermography were used t…
View article: STUDY OF HEAT SOURCE EVOLUTION DURING ELASTIC-PLASTIC DEFORMATION OF TITANIUM ALLOY ОТ4-0 BASED ON CONTACT AND NON-CONTACT MEASUREMENTS
STUDY OF HEAT SOURCE EVOLUTION DURING ELASTIC-PLASTIC DEFORMATION OF TITANIUM ALLOY ОТ4-0 BASED ON CONTACT AND NON-CONTACT MEASUREMENTS Open
This work is devoted to investigation of the heat source evolution during quasistatic tensile testing of titanium alloy ОТ4-0 specimens using a contact heat flux sensor and infrared thermography.The purpose of the study is to evaluate the …
View article: Theoretical and experimental study of elastic-plastic strain at tips of fatigue cracks in metals
Theoretical and experimental study of elastic-plastic strain at tips of fatigue cracks in metals Open
Evolution of plastic deformation at a crack tip is observed using infrared and optical cameras, and the obtained images are processed with corresponding mathematical algorithms. The accuracy of displacement measurements is less than 1 micr…
View article: The study of the dissipation heat flow and the acoustic emission during the fatigue crack propagation in the metal
The study of the dissipation heat flow and the acoustic emission during the fatigue crack propagation in the metal Open
This work is aimed at developing a thermodynamic approach to describing the propagation of fatigue cracks in metals. An attempt is made to explain the change in the character of heat dissipation at different stages of crack propagation: th…
View article: The study of the fatigue crack propagation in mixed mode crack growth
The study of the fatigue crack propagation in mixed mode crack growth Open
This work is devoted to analysis of thermodynamics properties of the fatigue cracks propagation in metals. A theoretical description of the elastoplastic condition at the fatigue crack tip is proposed on the base of an elastic solution and…
View article: Study of an Effect of Inelastic Deformation on the Heat Capacity of Steel
Study of an Effect of Inelastic Deformation on the Heat Capacity of Steel Open
Based on the technique for determination of thermal constants in metals we have determined the heat conductivity and heat capacity of metal samples.The technique was adapted for application during standard mechanical test to determine the …
View article: STUDY OF HEAT SOURCE EVOLUTION DURING ELASTIC-PLASTIC DEFORMATION OF TITANIUM ALLOY TI-0.8AL-0.8MN BASED ON CONTACT AND NON-CONTACT MEASUREMENTS
STUDY OF HEAT SOURCE EVOLUTION DURING ELASTIC-PLASTIC DEFORMATION OF TITANIUM ALLOY TI-0.8AL-0.8MN BASED ON CONTACT AND NON-CONTACT MEASUREMENTS Open
This work is devoted to investigation of the heat source evolution during quasistatic tensile testing of titanium alloy specimens using a contact heat flux sensor and infrared thermography.The purpose of the study is to evaluate the possib…