METAL - International Conference on Metallurgy and Materials

Conference Proceedings - METAL 2021

30th Anniversary International Conference on Metallurgy and Materials
May 26 - 28, 2021 / Brno, Czech Republic, EU
ISSN: 2694-9296
ISBN: 978-80-87294-99-4
Proceedings of the conference have been sent to Web of Science and Scopus for evaluation and potential indexing.

On the 30th Anniversary International Conference on Metallurgy and Materials - METAL 2020, 220 people from 23 countries around the world were registered (such as the Czech Republic, Poland, Russia, Slovakia, Germany, Austria, Romania, Bulgaria, but also from Japan and Korea). 236 articles were submitted to the following sessions:

Session A - Advanced Iron, Cast Iron and Steelmaking
Session B - Metal Forming
Session C - Steel Products - properties
Session D - Modern Trends in Surface Engineering
Session E - Non-Ferrous Metals and Alloys
Session F - Economics and Management of Metallurgical Production

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Co-authors: KURKA Vladislav VINDYŠ Marek JONŠTA Petr NOGA Roman DOBIÁŠ Marek
Abstract: The submitted article deals with the study of casting and solidification of a 12 t ingot made of structural steel 42CrMo4 using numerical simulations in the THERCAST® and MAGMASOFT® software. The possibilities of each individual software in filling and solidification of steel were assessed, including the prediction of ingot defects such as porosity, shrinkage cavities or shrinkage porosities; the proportion of liquid phase, segregation of selected elements and solidification time were also monitored.. [..] Read more
FONIOK Kryštof VŠB - Technical University of Ostrava, Faculty of Materials Science and Technology, Department of Chemistry, Ostrava, Czech Republic, EU
Co-authors: MATĚJKA Vlastimil MAIEROVÁ Petra MATĚJKOVÁ Petra VLČEK Jozef
Abstract: Metallurgical slags originating during pig iron and steel manufacturing, are valuable sources of the inorganic materials. The limitation of their recycling is usually connected to the expensive methods of the separation of the components. [..] Read more
RIGO David VSB - Technical University of Ostrava, Ostrava, Czech Republic, EU,
Co-authors: VELIČKA Marek VLČEK Jozef
Abstract: The presented paper focuses on numerical modelling of temperature fields of a continuously cast billet. The ProCAST software system, which is based on the finite element method, was used as a simulation tool. [..] Read more
GRYC Karel Institute of Technology and Business in České Budějovice, České Budějovice, Czech Republic, EU,,,
Abstract: This paper is devoted to the presentation of initial results focused on the optimization of numerical simulations of gravity casting of ductile iron castings into non-permanent bentonite molds. Numerical simulations were performed focused on the course of filling the mold and solidification of the casting by simulation SW ProCAST. [..] Read more
SOCHA Ladislav Institute of Technology and Business in České Budějovice, České Budějovice, Czech Republic, EU,,,,,
Co-authors: GRYC Karel SVIŽELOVÁ Jana CHMIEL Miroslav FRONKOVÁ Petra KOZA Kamil KACHLÍŘOVÁ Helena
Abstract: This paper studies the possibility of producing ductile iron castings intended for extreme conditions on an industrial scale. The preparation of charge and its melting conditions, modification, primary inoculation and main inoculation were studied within extensive series of experimental melts. [..] Read more
FOGARAŠ Lukáš Institute of metallurgy, Faculty of Materials, Metallurgy and Recycling Department of Metallurgy, Technical University of Košice, Košice, Slovakia, EU,
Co-authors: BUĽKO Branislav DEMETER Peter HUBATKA Slavomír ŠABÍK Vladimír
Abstract: This article is focused on the optimization of the flow of steel in a symmetrical three-strand T-shaped tundish based on the change of its internal equipment. Since the investigated tundish has three outlet strands, it is very important to properly adjust its internal volume to achieve optimal flow and final steel purity. [..] Read more
SOBOTKA Jiří TUL - Technical University of Liberec, Liberec, Czech Republic, EU
Co-authors: SOLFRONK Pavel ŠVEC Martin KOREČEK David
Abstract: Stainless steels are nowadays used in a wide range of industrial products. One example of their utilization in the industrial practice represents production of the exhaust systems components in the automotive industry. [..] Read more
LEZHNEV Sergey Rudny Industrial Institute, Rudny, Kazakhstan,,
Co-authors: NAIZABEKOV Abdrakhman KUIS Dmirty KASPEROVICH Andrey PANIN Evgeniy
Abstract: The paper presents the results of computer modeling of a new technology for bar scrap recycling, which includes two processing technologies: radial-shear rolling and drawing. At the first stage, the initial billet in the form of a reinforcement profile with a diameter of 16 mm is heated to 1000 °C and rolled on a radial-shear rolling mill to a diameter of 14 mm. [..] Read more
WANG Fengqi Shanghai Key Laboratory of Digital Manufacture for Thin-walled Structures, Shanghai Jiao Tong University, Shanghai, China,
Co-authors: RAN Jinyu DU Chenyang SONG Ruocun YU Zhongqi
Abstract: To explore the feasibility of directly spinning thin-walled components from aged aluminum alloy sheets under rapid laser heating, the laser-assisted spinning process of aged 7075-T6 aluminum alloy was carried out by means of an ellipsoid component shear spinning test. Compared with cold spinning, the critical thinning of the laser-assisted spun component was more than 30 % higher than that of the cold spun component, and the laser-assisted spun component has good geometric accuracy, which indicates that the formability of the 7075-T6 aluminum alloy can significantly be improved with the laser-assisted spinning process. [..] Read more
GOLIŃSKI Jacek Warsaw University of Technology, Institute of Manufacturing Processes, Narbutta, Warsaw, Poland, EU,,,
Co-authors: PRESZ Wojciech HUSSAIN Mahmoud Shafayat
Abstract: For micro forming process, the initial material of sheet metal is desired, with the thickness below 1 mm. Miniature parts have tight dimensional tolerances and require low surface roughness. [..] Read more
SZKANDERA Pavel VSB - Technical University of Ostrava, Ostrava, Czech Republic, EU,,,
Co-authors: RUSZ Stanislav ZABYSTRZAN Rostislav Švec Jiří HILŠER Ondřej Pastrňák Martin KUROWSKI Radim
Abstract: Method DRECE (Dual Rolls Equal Channel Extrusion) belongs to a perspective group of technologies utilizing the process of severe plastic deformations (SPD). Used for forming of metallic materials. [..] Read more
FENG Bin State Key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, Shanghai, China,
Co-authors: HE Ji LI Shuhui GU Bin LIN Zhongqin
Abstract: A sheet-forging process is proposed to form thin-walled structures with crossed-ribs. To solve the problem of grid distortion in finite element simulations, an element reconfiguration strategy that combines a stress-strain map solution and element reconstruction is applied, and typical samples with crossed-ribs are designed to verify the accuracy of simulation. [..] Read more
DUCKI Kazimierz Silesian University of Technology, Katowice, Poland, EU,
Co-authors: MENDALA Jacek WOJTYNEK Lilianna
Abstract: The influence of initial soaking and parameters of hot plastic working on the substructure of the A-286 superalloy have been presented. The research was performed on a torsion plastometer in the range of temperature 900 – 1150 °C, at a strain rates of 0.1 s-1 and 1.0 s-1. [..] Read more
KRÁTKÁ Ludmila VSB - Technical University of Ostrava, Ostrava, Czech Republic, EU,
Co-authors: KISELEV Sergei
Abstract: Owing to their exceptional combination of mechanical and physical properties, tungsten heavy alloys (THAs) are advantageous for demanding applications. The presented study focuses on analysing the effects of processing of THA bar by the cold rotary swaging method, particularly on investigating the effects of processing on residual stress within the swaged bar. [..] Read more
KROLO Jure Faculty of Electrical Engineering, Mechanical Engineering, and Naval Architecture, Split, Croatia, EU,
Co-authors: LELA Branimir EVIĆ Joze BIBA Nikolay
Abstract: In the last three decades, equal channel angular pressing (ECAP) process is used for extreme microstructural refinement of the metal materials which leads to improvement of the mechanical and physical properties. Using ECAP method significant strains can be imposed into the material. [..] Read more
ČADA Radek VSB – Technical University of Ostrava, Ostrava, Czech Republic, EU,
Co-authors: PEKTOR Tomáš
Abstract: In engineering practice, there are cases where it is necessary to design a suitable technology for the production of a small number of pieces of parts to achieve a minimum price of one piece of a manufactured part. The paper describes the development of a low-cost drawing tool for the production of a small number of pieces of cover stampings from 2 mm thick sheet metal from DC04 steel. [..] Read more
BEHRENS Bernd-Arno Leibniz Universität Hannover, Institute of Forming Technology and Machines, Hannover Germany, EU;,,,,
Co-authors: BRUNOTTE Kai PETERSEN Tom RELGE Roman TILL Michael
Abstract: Forging tools are exposed to cyclically changing thermo-mechanical stress conditions leading to its failure. Damage phenomena on the tool engraving cannot be entirely avoided by hardening the surface, as this leads to a more brittle behaviour and thus to lower ductility of the material, which can intensify the occurring damage effects. [..] Read more
FEDORIKOVÁ Alica Research Center Řež, Hlavní 130, 25068, Husinec-Řež, Czech Republic, EU,
Co-authors: KVAČKAJ Tibor KOČIŠKO Róbert BIDULSKÁ Jana LUPTAK Miloslav KŘIVSKÝ Leoš ZIMINA Mariia
Abstract: Research and development of construction materials for fusion reactors is an important international task. CuCrZr material is a promising material for fabrication of coolant tubes inside the divertor and other components. [..] Read more
KWARTENG Oskar VÍTKOVICE HAMMERING, a. s., Ostrava-Vítkovice, Czech Republic, EU,
Co-authors: GREGER Miroslav MAZIARZ Wojciech
Abstract: Mechanical properties and the deformation behavior of the equal channel angular pressing processed material were investigated by the tensile tests using miniaturized specimens, hardness and by so called penetration tests. The significant increase in yield stress and hardness after equal channel angular pressing was discussed by two strengthening mechanisms. [..] Read more
RUDSKOI Andrei Peter the Great St.Petersburg Polytechnic University, St.Petersburg, Russia,
Co-authors: KODZHASPIROV Georgii KLIBER Jiri
Abstract: The effect of High Temperature Thermomechanical Processing (HTMP) using hot rolling on the structure, mechanical properties of nitrogen bearing niobium alloyed 18Cr-10Ni austenitic stainless steel is presented. It has been found that the strengthening effect of HTMP depends significantly on the kinetics of deformation accumulation schedule. [..] Read more
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