Oleksandr Lypchanskyi

ORCID: 0000-0002-3748-8789
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About
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Research Areas
  • Metallurgy and Material Forming
  • Titanium Alloys Microstructure and Properties
  • Aluminum Alloy Microstructure Properties
  • Intermetallics and Advanced Alloy Properties
  • Powder Metallurgy Techniques and Materials
  • Advanced materials and composites
  • Microstructure and mechanical properties
  • Metal Alloys Wear and Properties
  • Aluminum Alloys Composites Properties
  • High-Velocity Impact and Material Behavior
  • Metal and Thin Film Mechanics
  • High Temperature Alloys and Creep
  • Material Properties and Applications
  • Advanced machining processes and optimization
  • Manufacturing Process and Optimization
  • Bauxite Residue and Utilization
  • Metal Forming Simulation Techniques
  • Ultrasonics and Acoustic Wave Propagation
  • Additive Manufacturing Materials and Processes
  • Non-Destructive Testing Techniques
  • Mechanical Engineering Research and Applications
  • Microstructure and Mechanical Properties of Steels
  • Advanced Welding Techniques Analysis

TU Bergakademie Freiberg
2023-2024

AGH University of Krakow
2018-2024

Jagiellonian University
2024

Pryazovskyi State Technical University
2016

This research provides a comprehensive analysis of the texture and temperature dependent deformation behavior aluminum alloy AA6082. The study is performed using combination experimental tests computational simulations based on crystal plasticity (CP) framework. primary objective to identify critical influence local stress states dislocation density within material during tensile tests. From an perspective, employs ex-situ subsequent electro backscatter diffraction (EBSD) data in with energy...

10.1016/j.ijplas.2024.103942 article EN cc-by International Journal of Plasticity 2024-03-14

This study explores the intricate interplay between strain-induced precipitation (SIP) and underlying mechanisms that govern hot deformation in AA6082 aluminum alloy. Uniaxial tensile tests were conducted at elevated temperatures, ranging from 200°C to 400°C, varied strain rates 0.01 s−1 10 s−1. Employing advanced methodologies such as scanning electron microscopy (SEM), backscatter diffraction (EBSD), energy dispersive X-ray spectrometry (EDS), transmission (TEM), research investigates...

10.1016/j.ijplas.2024.103969 article EN cc-by International Journal of Plasticity 2024-04-11

The use of aluminum alloys with a high strength in conjunction thermal-assisted forming techniques permits the production high-strength and geometrical complicated components without failure. Due to temperature-dependent material behavior, it is achievable modify mechanical properties during forming. Hence, tailored feasible. Currently, determination microstructural characteristics challenge for design innovative process routes due temperature, stress time dependence these materials. Till...

10.1016/j.jmatprotec.2023.118282 article EN cc-by-nc-nd Journal of Materials Processing Technology 2024-01-03

The flow behavior of metastable β titanium alloy was investigated basing on isothermal hot compression tests performed Gleeble 3800 thermomechanical simulator at near and above transus temperatures. stress curves were obtained for deformation temperature range 800–1100 °C strain rate 0.01–100 s−1. compensated constitutive model developed using the Arrhenius-type equation. high correlation coefficient (R) as well low average absolute relative error (AARE) between experimental calculated data...

10.3390/ma14082021 article EN Materials 2021-04-17

Abstract The microstructural evolution of titanium alloys under high-temperature conditions plays a key role in determining their mechanical properties and hot working behavior. This research presents an advanced method for calibrating β phase reconstruction software using situ testing on Grade 2 titanium, which achieves accurate the parent microstructure. In addition, unique observations forging Ti-6246 alloy are highlighted, demonstrating influence deformation parameters resulting grain...

10.1007/s10853-024-09963-0 article EN cc-by Journal of Materials Science 2024-07-08

The stress-strain curves for nickel-based superalloy were obtained from isothermal hot compression tests at a wide range of deformation temperatures and strain rates. material constants activation energy the investigated calculated. accuracy constitutive equation describing behavior this was confirmed by correlation coefficient linear regression. distribution Q as function rate temperature presented. processing maps generated upon basis Prasad stability criterion true strains ranging 0.2 to...

10.3390/ma13163629 article EN Materials 2020-08-17

Abstract The paper presents the analysis of hot deformation behavior Ti-6Al-2Sn-4Zr-6Mo (Ti-6246) alloy using theory dynamic material modeling (DMM) based on compression tests performed to a total true strain 1 at rates from 0.01 100 s −1 and temperatures within range between 800 1100 °C. processing maps according Prasad’s criterion were developed. allowed for placement domains describing areas potentially favorable combinations parameters. microstructure observations investigated specimens...

10.1007/s12289-019-01533-z article EN cc-by International Journal of Material Forming 2020-01-14

Abstract Due to the growing interest in lightweight constructions, continuous casting of nonferrous metals is continuously developing as a result cost-effectiveness this process, which combines several stages sheet production. Unfortunately, because characteristics parameters roll gap, such as, for example, pressure and temperature, are unknown, significantly affects understanding phenomena occurring material during rolling. Therefore, at IMF Freiberg, sensor consisting piezo two...

10.1007/s10853-024-09733-y article EN cc-by Journal of Materials Science 2024-05-31

Abstract The hot deformation behavior of Ti-10V-2Fe-3Al alloy obtained by the powder metallurgy (PM) method was investigated. Material for research produced blending elemental powders followed uniaxial pressing. Thermomechanical tests compacts were carried out to determinate stress-strain relationships at temperature range 800 °C 1000 and strain rate between 0.01 10 s −1 . Based on dynamic material model (DMM) theory, processing maps constant value developed using data from compression...

10.1007/s11661-019-05434-3 article EN cc-by Metallurgical and Materials Transactions A 2019-09-09

The hot deformation behavior of powder metallurgy Ti-10V-2Fe-3Al alloy was investigated by compression tests conducted in the temperature range 800 – 1000 °C and strain rate 0.01 - 10 s-1. Flow stress data, average activation energy, Zener-Hollomon parameter were developed order to investigate effects variable conditions on microstructure evolution. determined value energy for allows predict dynamic restoration mechanism taking place during working. found be about 162 kJ/mol which is...

10.1016/j.promfg.2020.08.098 article EN Procedia Manufacturing 2020-01-01

Abstract The influence of the induction sintering process at different temperatures on behavior powder metallurgy Ti-5Al-5Mo-5V-3Cr alloy was investigated. Material for research produced by elemental blending, followed uniaxial cold compacting process. Powder compacts were heated and sintered within temperature range 1000 °C to 1300 °C. influences parameters material during its properties studied. microstructure examination performed with particular attention pore size distribution as well...

10.1007/s11661-021-06179-8 article EN cc-by Metallurgical and Materials Transactions A 2021-03-04

The results of the investigations on five different titanium alloys were presented in this paper. Two two-phase α+β (Ti-6Al-4V and Ti-6Al-2Sn-4Zr-6Mo) as well two β (Ti-10V-2Fe-3Al Ti-3Al-8V-6Cr-4Mo-4Zr) studied. Moreover, Ti-48Al-2Cr-2Nb intermetallic alloy (γ alloy) was also investigated. All investigated tested compression Gleeble thermomechanical simulator under various strain rate temperature conditions. Metallographic observations microstructure samples allowed determining conditions...

10.4028/www.scientific.net/kem.687.47 article EN Key engineering materials 2016-04-01

The titanium matrix composite was produced through a hot compaction process at 1250 °C using the mixture of elemental powders with chemical composition Ti-5Al-5Mo-5V-3Cr and 2 wt.% addition boron carbide. phase analysis via X-ray diffraction method performed to confirm occurrence an in situ reaction between carbide titanium. Then, wide-ranging microstructural optical microscopy as well scanning electron along energy-dispersive spectroscopy backscatter diffraction. Based on this...

10.3390/ma16237438 article EN Materials 2023-11-29

Abstract This study investigates the microstructural behavior of laboratory-produced Al–Mg–Si(X)–Mn aluminum alloys, focusing on influence varying Si content during biaxial hot tensile testing. Alloys with contents 0.7%, 0.9%, and 1.3% were subjected to deformation at temperatures 200 °C, 300 400 °C. Using digital image correlation analysis, impact evolution under loading was analyzed. Force–displacement analysis revealed a consistent inverse relationship between temperature maximum force...

10.1007/s10853-024-09973-y article EN cc-by Journal of Materials Science 2024-07-18

Due to the wide use of HSLA steels in difficult conditions, e.g. at low temperatures, it is extremely important test impact strength these steels. This equally because most those structures are made by welding steels, and process itself has a significant on properties joints zones. In this work, authors analyzed two selected representative rolled Krakow branch ArcelorMittal Poland S.A. – only place where form hot-rolled strips can be produced an industrial scale. Impact tests were performed...

10.7494/jcme.2024.8.4.54 article EN Journal of Casting & Materials Engineering 2024-12-02

In the first part of this research Ti-Al-Sn-Zr-Mo alloy compression tests were performed on Gleeble 3800 thermomechanical simulator, in order to characterize material behavior under various temperature-strain-strain rate conditions. The carried out at strain rates from 0.01 100 s-1, and temperatures 800, 900, 950, 1000, 1100 °C, a true 1. data obtained converted into stress – curves. Based stress-strain curves, constitutive equation describing flow investigated for all levels hot deformation...

10.1016/j.promfg.2020.08.012 article EN Procedia Manufacturing 2020-01-01

State of Strain and development microStructure 22mnB5 Steel al-Si coating during deep drawing automotive B pillarThe analysis the microstructure drawn pillar, as well deformation based on numerical simulation experiment, was performed.The steel sheet al-si after various stages b pillar production investigated.it found that obtained significantly different from described in many studies a proper one.The investigated material consisted martensite, bainite, small amount ferrite.al-si coating,...

10.24425/amm.2021.135897 article EN cc-by-nc Archives of Metallurgy and Materials 2020-11-26

In the presented study hot deformation behavior of Ti-6Al-2Sn-4Zr-6Mo (Ti-6246) alloy was investigated by isothermal compression tests conducted on Gleeble 3800 thermomechanical simulator in temperature range 800-1100 °C and strain rate 0.01 - 100 s−1 to true 1. For determining unstable flow regions during deformation, processing maps based Malas's criterion plastic stability were used. characterization material forming operations, microstructure analysis processed performed associated with...

10.1088/1757-899x/461/1/012048 article EN IOP Conference Series Materials Science and Engineering 2018-12-10
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