Alexander Kalinenko
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UNUSUAL FATIGUE BEHAVIOR OF DISSIMILAR AL/TI FRICTION-STIR LAP WELDS Open
This work was undertaken in order to evaluate the fatigue performance of dissimilar AA6013/ Ti-6Al-4V friction-stir lap welds. It was shown that the avoidance of direct contact between the welding tool and titanium part results in a narrow…
Special aspects of microstructure formation in Cu–Cr–Zr–Y bronze under low-temperature friction stir processing Open
The use of friction stir treatment (FST) to modify the physical and mechanical properties of age-hardenable low-alloyed bronzes is a promising and at the same time complex task due to the wide temperature range of its implementation. The d…
The Influence of Absorbing Coating Material on the Efficiency of Laser Shock Peening Open
Laser shock peening (LSP) is a relatively novel and promising surface hardening method. An absorbing layer, which is needed to protect the specimen surface from undesirable thermal effects caused by laser irradiation, should be considered …
View article: Interfacial Microstructure Produced during Dissimilar AA6013/Ti-6Al-4V Friction Stir Lap Welding under Zero-Penetration Condition
Interfacial Microstructure Produced during Dissimilar AA6013/Ti-6Al-4V Friction Stir Lap Welding under Zero-Penetration Condition Open
The purpose of this study was to investigate the interfacial microstructure that was produced during dissimilar friction stir lap welding (FSW) of 6013 aluminum alloy and Ti-6Al-4V. FSW was conducted under a zero-penetration condition, i.e…
View article: Grain Structure Evolution in 6013 Aluminum Alloy during High Heat-Input Friction-Stir Welding
Grain Structure Evolution in 6013 Aluminum Alloy during High Heat-Input Friction-Stir Welding Open
This work was undertaken to evaluate the influence of friction-stir welding (FSW) under a high-heat input condition on microstructural evolution. Given the extreme combination of deformation conditions associated with such an FSW regime (i…
View article: On the Degree of Plastic Strain during Laser Shock Peening of Ti-6Al-4V
On the Degree of Plastic Strain during Laser Shock Peening of Ti-6Al-4V Open
Laser shock peening (LSP) is an innovative technique that is used to enhance the fatigue strength of structural materials via the generation of significant residual stress. The present work was undertaken to evaluate the degree of plastic …
View article: Microstructural Evolution and Material Flow during Friction Stir Welding of 6013 Aluminum Alloy Studied by the Stop-Action Technique
Microstructural Evolution and Material Flow during Friction Stir Welding of 6013 Aluminum Alloy Studied by the Stop-Action Technique Open
This work is part of a wide-ranging study aiming to enhance the technology of dissimilar friction-stir welding of aluminum and titanium. In the previous study, a new approach was proposed that provided an exceptionally narrow intermetallic…
Tailoring of Dissimilar Friction Stir Lap Welding of Aluminum and Titanium Open
An approach was proposed to optimize dissimilar friction stir lap welding of aluminum and titanium alloys. The basic concept of the new technique included (i) the plunging of the welding tool solely into the aluminum part (i.e., no direct …
Numerical Simulation of the Thermo-Mechanical Behavior of 6061 Aluminum Alloy during Friction-Stir Welding Open
In this work, a finite-element model was elaborated to simulate the thermomechanical behavior of 6061 aluminum alloy during friction-stir welding (FSW). It was shown that FSW-induced deformation is a two-stage process. In addition to the s…
THE INFLUENCE OF FRICTION STIR WELDING CONDITIONS ON THERMAL STABILITY OF АА6061 ALLOY Open
Friction stir welding (FSW) is an innovative technology for the solid-phase joining of metal materials. It allows producing permanent joints of materials conventionally considered to be nonweldable, in particular aluminum alloys. However, …
Grain structure evolution during friction-stir welding of 6061-T6 aluminum alloy Open
In this work, electron backscattered diffraction (EBSD) was used to examine the evolution of the grain structure during friction stir welding of aluminum alloy 6061-T6. In the entire FSW range studied, the microstructure evolution was foun…
On the local variation of mechanical properties in friction-stir welded 6061 aluminum alloy Open
In this work, digital image correlation technique was applied to investigate local variations of mechanical properties in friction-stir welded 6061 aluminium alloy. A pronounced strain concentration in the bottom section of stir zone was r…
Microstructural evolution of the AlMgMnZr alloy during severe plastic deformation Open
The effect of severe plastic deformation (SPD) on microstructure of Al-5.4Mg-0.52Mn-0.1Zr alloy was studied. The methods of equal channel angular pressing (ECAP) and cold rolling were used to obtain fine-grained microstructure. The evoluti…
The dynamic recrystallization behavior in Al-Mg alloys Open
The influence of phase composition on the behavior of dynamic recrystallization in alloys Al-3Mg (A1), Al-4.57Mg-0.35Mn-0.2Sc-0.09Zr (A2) and Al-5.4Mg-0.52Mn-0.1Zr (A3) (wt.%) during the equal-channel angular pressing (ECAP) was studied. T…
Microstructure and Mechanical Properties of a High-Mn TWIP Steel Subjected to Cold Rolling and Annealing Open
The structure–property relationship was studied in an Fe-18Mn-0.6C-1.5Al steel subjected to cold rolling to various total reductions from 20% to 80% and subsequent annealing for 30 min at temperatures of 673 to 973 K. The cold rolling resu…
Influence of cold forging and annealing on microstructure and mechanical properties of a high-Mn TWIP steel Open
The influence of cold biaxial forging and annealing on the microstructure evolution and mechanical properties of Fe-18Mn-0.6C-0.1NTWIP steel was investigated.The microstructure after thermomechanical treatment was examined by means of scan…