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Conference Proceedings - METAL 2020
29th International Conference on Metallurgy and Materials
May 20 - 22, 2020 / Brno, Czech Republic, EU
www.metalconference.eu
ISSN: 2694-9296
ISBN: 978-80-87294-97-0
Proceedings of the conference were published in Web of Science and Scopus.
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JEŽEK Štěpán Department of Manufacturing Technology, Faculty of Mechanical Engineering, Czech Technical University in Prague, Technická 4, Praha 6, Czech Republic, EU, stepan.jezek@fs.cvut.cz, ladislav.kolarik@fs.cvut.cz, marie.kolarikova@fs.cvut.cz
Co-authors:
HORVÁTH Jakub
KOLAŘÍK Ladislav
JANOVEC Jiří
KOLAŔÍKOVÁ Marie
DOI: https://doi.org/10.37904/metal.2020.3532, 393-398
Abstract:
The experiment aimed on influence of shielding gas flow rate on properties of single V groove butt weld of high strength ultra-fine grained steel S960QL (XABO 960) and filler material G 89 6 M21 Mn4Ni2CrMo (X90) is described in this article. The steel S960QL is sensitive to presence of hydrogen in material structure, in exceed of maximal recommended content (<5ml/100g) the cold cracking may take place. [..]
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KAPUSTYNSKYI Oleksandr Vilnius Gediminas Technical University, Vilnius, Lithuania, EU, oleksandr.kapustynskyi@vgtu.lt
Co-authors:
VIŠNIAKOV Nikolaj
DOI: https://doi.org/10.37904/metal.2020.3533, 399-404
Abstract:
The main objective of the research was to determine the influence of local laser treatment on the process of elastoplastic deflection of the sheets under bending force. FEA modelling results show, that the location of the treated area and the number of laser tracks on a thin-walled sheet surface had a large influence on the stress distribution and sheet deflections during bending. [..]
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KOREČEK David TUL - Technical University of Liberec, Liberec, Czech Republic, EU, david.korecek@tul.cz
Co-authors:
SOLFRONK Pavel
SOBOTKA Jiří
DOI: https://doi.org/10.37904/metal.2020.3495, 405-409
Abstract:
These days is still increasing emphasis put on making the production process of sheet metal stampings, which are used in the automotive, aerospace or power industries, more accurate and fast. These aspects need to be proportionately respected with respect to the economic side of these components production and in light of still increasing environmental requirements. [..]
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Dundulis Gintautas Lithuanian Energy Institute, 44403 Kaunas, Lithuania, Gintautas.Dundulis@lei.lt
Co-authors:
Grybenas Albertas
Bruchhausen Matthias
Cicero Roman
Mottershead Kevin
Huotilainen Caitlin
Le Roux Jean-Christophe
Vankeerberghen Marc
DOI: https://doi.org/10.37904/metal.2020.3496, 410-415
Abstract:
INCEFA-PLUS (INcreasing Safety in NPPs by Covering gaps in Environmental Fatigue Assessment) project characterized environmentally assisted fatigue of stainless steels in light water reactor environments. During this project more than 200 fatigue tests have been carried out in different laboratories across Europe in air and water environment. [..]
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Schnablová Ivana UJV Rez, a. s., Husinec, Czech Republic, EU, ivana.schnablova@ujv.cz, radim.kopriva@ujv.cz, ondrej.bursik@ujv.cz, katerina.rusnakova@ujv.cz
Co-authors:
Kopřiva Radim
Buršík Ondřej
Rusňáková Kateřina
Materna Aleš
DOI: https://doi.org/10.37904/metal.2020.3497, 416-421
Abstract:
Current trend of long-term operation of NPP’s for more than 60 years requires assurance of its safety and reliability. One of the solutions how to extend service life of reactor pressure vessel (RPV) is thermal annealing, which became a verified technology and its application in nuclear industry was prompted mainly due to an inability of RPV exchange. [..]
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KANDER Ladislav MATERIÁLOVÝ A METALURGICKÝ VÝZKUM s.r.o., Pohraniční 693/31, 703 00 Ostrava-Vítkovice, Czech Republic, EU, ladislav.kander@mmvyzkum.cz
Co-authors:
STEJSKALOVÁ Šárka
ČÍŽEK Petr
DOI: https://doi.org/10.37904/metal.2020.3534, 422-427
Abstract:
Recent increase in output of nuclear power plant has been attained by enlargement of most major components such as pressure vessels. Such large components have almost reached a size limit from the points of manufacturing capacity. [..]
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Jirková Hana University of West Bohemia, RTI - Regional Technological Institute, Pilsen, Czech Republic, EU, hstankov@rti.zcu.cz, jandat@rti.zcu.cz, machj@rti.zcu.cz, volkmann@rti.zcu.cz
Co-authors:
Janda Tomáš
Růžička Jan
Mach Josef
VolkmanNová Julie
DOI: https://doi.org/10.37904/metal.2020.3498, 428-433
Abstract:
Titanium-stabilized austenitic stainless steel 08Ch18N10T is often used in nuclear power facilities due to its favourable properties. Many parts of the primary circuit of VVER 440 and VVER 1000-type nuclear power plants are manufactured of this steel. [..]
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HERMANOVÁ Šárka MATERIAL AND METALLURGICAL RESEARCH Ltd., Ostrava, Czech Republic, EU, sarka.hermanova@mmvyzkum.cz
Co-authors:
ČÍŽEK Petr
ROŽNOVSKÁ Gabriela
KOSŇOVSKÁ Jana
DOI: https://doi.org/10.37904/metal.2020.3499, 434-439
Abstract:
This work is focused on the study of influence of additives manufacturing on material properties of AISI 316L steel. Comparison of the material properties of the plate produced by the selective laser melting (SLM) technology and the hot-rolled plate was performed not only on the results of tensile tests, but also on small punch tests, which is an evolving and promising testing method and will be implemented into standardized testing methods within EU soon. [..]
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BELOKON Yuriy Zaporizhzhia National University, Zaporizhzhia, Ukraine, 1 belokon.zp@gmail.com, 2 ayav2017@gmail.com, 3 protsenkovm@yahoo.com, 4,5 uvbondarenko.1984@gmail.com
Co-authors:
Yavtushenko Aleksander
PROTSENKO Victor
BONDARENKO Yulia
CHEILYTKO Andrii
DOI: https://doi.org/10.37904/metal.2020.3500, 440-445
Abstract:
The problem of selecting a material with an extreme value of its performance using its anisotropy is considered. It is important for specialists of metallurgical profile to be able not only to select the material for realization of the set engineering task, but also to use its anisotropy, and to be able to determine the orientation of the material with the extreme value of its performance. [..]
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MORAVEC Jaromir Technical University of Liberec, Liberec, Czech Republic, EU, jaromir.moravec@tul.cz, jan.novak@tul.cz, jiri.sobotka@tul.cz, iva.novakova@tul.cz
Co-authors:
NOVÁK Jan
SOBOTKA Jiri
NOVÁKOVÁ Iva
DOI: https://doi.org/10.37904/metal.2020.3501, 446-451
Abstract:
Structural designs of the dynamically loaded welded structures are currently based primarily on the values of the parent base material fatigue life. Although it tries to capture the influence of the given process by using the safety constants of the notch effect both of the weld and the thermal influence, it is only a theoretical estimation. [..]
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VÁŇOVÁ Petra VSB - Technical University of Ostrava, Ostrava, Czech Republic, EU, petra.vanova@vsb.cz
Co-authors:
SOJKA Jaroslav
MELICHEROVÁ Mária
KONEČNÁ Kateřina
RADKOVSKÁ Taťána
DOI: https://doi.org/10.37904/metal.2020.3502, 452-457
Abstract:
The aim of the work was to obtain information about the effect of hydrogen in pre-deformed samples made of TRIP 780 steel and during deformation, when retained austenite transforms into martensite. Electrolytic hydrogenation took place both under the simultaneous action of deformation and before the tensile test itself. [..]
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KUDRNA Lukáš VSB - Technical University of Ostrava, Department of Production Machines and Design, Ostrava, Czech Republic, EU, lukas.kudrna@vsb.cz
Co-authors:
VÁŇOVÁ Petra
MALCHARCZIKOVÁ Jitka
KUBÍN Tomáš
DOI: https://doi.org/10.37904/metal.2020.3503, 458-463
Abstract:
This article is about the chemical composition and microstructure of the outer door handles of the TATRA 87. The TATRA 87 was produced between 1937 and 1950. [..]
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ZAMOZDRA Maxim Peter the Great St.Petersburg Polytechnic University, Department "Technology and materials research", St. Petersburg, Russia, EU, zamozdra.m@gamil.com, s.v.ganin@gmail.com, tsemenko_tim@mail.ru
Co-authors:
GANIN Sergey
TSEMENKO Valery
DOI: https://doi.org/10.37904/metal.2020.3504, 464-468
Abstract:
In the present work, obtained billets from powder high-speed steel by the HIP method. Samples were tested at various speeds and degrees of hot plastic deformation, which are modeled on the Gleeble-3800 complex. [..]
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HRADEČNÝ Kryštof VSB - Technical University of Ostrava, Faculty of Materials Science and Technology, 17. listopadu 15, Ostrava - Poruba, Czech Republic, EU, krystof.hradecny@vsb.cz
Co-authors:
PALUPČÍKOVÁ Renáta
VOLODARSKAJA Anastasia
VODÁREK Vlastimil
DOI: https://doi.org/10.37904/metal.2020.3505, 469-474
Abstract:
Twin - roll strip casting is an advanced technology for production of thin strips with the thickness of several millimetres. Recent progress in twin - roll strip casting makes it possible to apply this technology for the production of grain oriented electrical steels (GOES). [..]
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SKOWROŃSKA Beata Institute of Manufacturing Technologies, Warsaw University of Technology, Warsaw, Poland, EU, beata.skowronska@pw.edu.pl
Co-authors:
CHMIELEWSKI Tomasz
SAŁACIŃSKI Tadeusz
SZULC Jacek
ŚWIERCZ Rafał
DOI: https://doi.org/10.37904/metal.2020.3506, 475-480
Abstract:
The aim of this paper is to describe the selected mechanical properties and microstructure of butt welded joints obtained by the hybrid Plasma+MAG method of S700 MC steel (high strength Re=700 MPa). The results of metallographic research of welded joints, microstructure of the weld and heat affected zone, hardness distribution and impact toughness are presented. [..]
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ŠÍPOVÁ Iva VŠB –TU of Ostrava, Faculty of Materials Science and Technology, 17. listopadu 15, 708 00 Ostrava –Poruba, Czech Republic, EU, iva.sipova.st@vsb.cz
Co-authors:
BARTONĚK Daniel
VODÁREK Vlastimil
DOI: https://doi.org/10.37904/metal.2020.3507, 481-486
Abstract:
The T24 steel grade has been frequently used for the construction of membrane walls in modern power plant boilers. This steel grade has been developed with the intention of welding without post weld heat treatment. [..]
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RAKHADILOV Bauyrzhan Sarsen Amanzholov East Kazakhstan State University, Ust-Kamenogorsk, Republic of Kazakhstan, satbaeva.z@mail.ru
Co-authors:
SATBAYEVA Zarina
SAGDOLDINA Zhuldyz
KOZHANOVA Rauan
DOI: https://doi.org/10.37904/metal.2020.3508, 487-493
Abstract:
This work presents the results of plasma electrolytic hardening of steel 20Cr2Ni4A. The optimal electrolyte composition for electrolytic-plasma hardening of steels containing 20 % sodium carbonate and 20 % urea has been determined. [..]
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DUDEK Agata Czestochowa University of Technology, Institute for Material Engineering, Faculty of Processing Engineering and Applied Physics, Czestochowa, Poland, EU, dudek@wip.pcz.pl
Co-authors:
CUGOWSKI Jerzy
DOI: https://doi.org/10.37904/metal.2020.3509, 494-499
Abstract:
The combustion of fuels plays an important role in the field of industry and power engineering. Circulating fluidized bed combustion (CFBC) is a clean technology and also it is a convenient method of energy production from a wide range of fuels. [..]
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DANEV Iliyan University of Ruse, Ruse, Bulgaria, EU, idanev@uni-ruse.bg
Co-authors:
GOSPODINOV Danail
RADEV Rossen
ILIEVA Mariana
DOI: https://doi.org/10.37904/metal.2020.3510, 500-505
Abstract:
Currently, heat treatment is the most common and effective method for changing the properties of metals and their alloys. Ferrous alloys most often are heat treated and the most commonly used process of heat treatment is the quenching. [..]
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VASILYEV Alexander Peter the Great St. Petersburg Polytechnic University, Institute of Applied Mathematics and Mechanics, St. Petersburg, Russian Federation, vasilyev_aa@mail.ru
Co-authors:
SOKOLOV Semen
SOKOLOV Dmitry
ZISMAN Alexandr
DOI: https://doi.org/10.37904/metal.2020.3511, 506-511
Abstract:
To predict kinetics of static recrystallization with account of recovery and resulting grain size in alloyed austenite, a quantitative model is developed. Physically motivated, the model relates activation energy of the process with that of bulk self-diffusion. [..]
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