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Conference Proceedings - METAL 2016
25th Anniversary International Conference on Metallurgy and Materials
May 25th - 27th 2016 / Hotel Voronez I, Brno, Czech Republic, EU
www.metalconference.eu
ISSN: 2694-9296
ISBN: 978-80-87294-67-3
Proceedings of the conference were published in Web of Science and Scopus.
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MARTINÍK Ondřej VŠB – Technical University of Ostrava, Faculty of Metallurgy and Materials Engineering, 17.listopadu 15/2172, 708 33 Ostrava – Poruba, Czech Republic, EU, bedrich.smetana@vsb.cz
Co-authors:
SMETANA Bedřich
DOBROVSKÁ Jana
KALUP Aleš
ZLÁ Simona
KAWULOKOVÁ Monika
GRYC Karel
MICHALEK Karel
DOSTÁL Petr
DROZDOVÁ Ľubomíra
Abstract:
Series of thermal analysis measurements by Differential Thermal Analysis (DTA) and Direct Thermal Analysis (TA) were performed on two real grade medium carbon steel samples in low and high temperature regions. Temperatures of eutectoid transition (TE), end of α-ferrite to γ-austenite transition (Tα→γ), solidus (TS), peritectic transition (TP), liquidus (TL) were determined. [..]
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DOJKA Malwina Silesian University of Technology, Faculty of Mechanical Engineering, Department of Foundry Engineering Towarowa 7 Street, 44-100 Gliwice, Poland, marcin.stawarz@polsl.pl
Co-authors:
STAWARZ Marcin
Abstract:
Presented research focused on high silicon cast iron with 19% silicon content. The studies were conducted in two steps. [..]
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GIĘTKA Tomasz Department of Materials Science and Engineering, Mechanical Engineering Faculty, University of Science and Technology, 7, prof. S. Kaliskiego Str., 85-796 Bydgoszcz, Poland, e-mail: tgietka@utp.edu.pl
Co-authors:
CIECHACKI Krzysztof
GUMIENNY Grzegorz
Abstract:
This publication attempts to investigate the effect of heat treatment parameters on the impact strength of ADI. Ductile iron was tempered with isothermal transformation according to two variants. [..]
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JANISZEWSKI Krystian Silesian University of Technology, Institute of Metals Technology, Katowice, Poland, EU Krystian.Janiszewski@polsl.pl
Abstract:
Despite the development of steel making technologies a significant portion of deoxygenation reactions products remain in the molten metal until the time of casting. These ration products are referred to as non-metallic inclusions and their dimensions lower than 30 μm. [..]
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JONŠTA Petr VITKOVICE HEAVY MACHINERY a.s., Ostrava, Czech Republic, EU
Co-authors:
SUŠOVSKÝ Michal
CARBOL Zdeněk
MELECKÝ Jan
MACHOVČÁK Pavel
GRYC Karel
SOCHA Ladislav
TKADLEČKOVÁ Markéta
MICHALEK Karel
BARCZIKOVÁ Petra
Abstract:
This article deals with production technology and secondary metallurgy processing of tool steels
in electric steelworks of VÍTKOVICE HEAVY MACHINERY a.s. with the focus on thermal and slag regulation of heats. [..]
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KANIA Harald Silesian University of Technology, Faculty of Materials Engineering and Metallurgy, Katowice, Poland, EU, Harald.Kania@polsl.pl
Abstract:
Designing the physicochemical properties of consumables used in the steel industry must be adapted to the technical and technological parameters of production equipment. Proper design of the properties of the consumables used in the production line allows for high-quality final product.The article describes the use of a model for the design of the physicochemical properties of mould powders that meets the requirements of the local conditions of technological equipment CC based on the developed in recent years empirical rule. [..]
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Kovář Ladislav VŠB-Technical University of Ostrava, Faculty of Mechanical Engineering, 17. listopadu 15, 708 33 Ostrava-Poruba, Czech Republic. E-mail: ladislav.kovar@vsb.cz
Abstract:
The agitation of melt in the hearth furnaces is complicated. It depends on introduced system of technological gases blowing, the shape of working profile of the hearth and a degree of hearth lining wear in the course of furnace campaign. [..]
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BOTULA Jiří VSB - Technical University of Ostrava, Faculty of Mining and Geology, Institute of Mining Engineering and Safety, Ostrava, Czech Republic, EU, jiri.botula@vsb.cz, michal.kratochvil@vsb.cz
Co-authors:
KRATOCHVÍL Michal
LANDECKÁ Aneta
JEZERSKÁ Lucie
CHLOPECKÝ Jakub
Abstract:
The aim of the study was to determine the detection possibilities for corundum in slags. Corundum may be a harmful component in the secondary utilization of slag. [..]
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KRČEK Břetislav VSB - Technical University of Ostrava, Ostrava, Czech Republic, EU, bretislav.krcek@vsb.cz, michaela.bobkova@vsb.cz, jiri.krcek@vsb.cz
Co-authors:
BOBKOVÁ Michaela
KRČEK Jiří
Abstract:
For the melting of mostly non-ferrous metals or for keeping metals in the liquid state crucible furnaces are often used. Greater use of crucible furnaces for steel and cast iron prevents the relatively high energy intensity of these furnaces. [..]
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LIS Teresa Silesian University of Technology, Faculty of Materials Engineering and Metallurgy, Katowice, Poland, EU, teresa.lis@polsl.pl, krzysztof.nowacki@polsl.pl, karolina.lakomy@polsl.pl
Co-authors:
NOWACKI Krzysztof
ŁAKOMY Karolina
Abstract:
The problem of environmental pollution due to increased industrial activity is the subject of attention in the country and around the world. The main purpose of waste management should be reclamation of valuable raw materials and, consequently, protection of natural environment by reducing consumption of deposits and energy. [..]
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MERDER Tomasz Silesian University of Technology, Faculty of Materials Engineering and Metallurgy, Katowice, Poland, EU, e-mail: tomasz.merder@polsl.pl
Co-authors:
PIEPRZYCA Jacek
WARZECHA Marek
Abstract:
The application of wire scrap from tire recycling can be very important, especially when the steel is melted in induction furnace. However, in the induction furnace there is no possibility for steel decarburization because of the danger of lining erosion, and as a result unavoidable furnace failure due to liquid metal leakage. [..]
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NOWACKI Krzysztof Silesian University of Technology, Faculty of Materials Engineering and Metallurgy, Katowice, Poland, EU, krzysztof.nowacki@polsl.pl, teresa.lis@polsl.pl, karolina.lakomy@polsl.pl
Co-authors:
LIS Teresa
ŁAKOMY Karolina
Abstract:
The main objective of waste management is the recovery of a valuable component (eg. metal, energy). [..]
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SOCHA Ladislav VŠB-Technical University of Ostrava, FMME, Department of Metallurgy and Foundry, 17. listopadu 15/2172, 708 33 Ostrava-Poruba, Czech Republic, EU, ladislav.socha@vsb.cz, jiri.bazan@vsb.cz, zdenek.adolf@vsb.cz
Co-authors:
BAŽAN Jiří
ADOLF Zdeněk
JONŠTA Petr
Abstract:
In the presented paper, the results of laboratory experiments aimed at the study of chromium and the behaviour of its oxides, together with its reduction mechanism with the aid of silicon and carbon, are given. Experimental heats were aimed at the proposal of a theoretical calculation of consumption of chosen reduction agents, a reduction study under laboratory conditions at the application of alloyed steel with a chromium content of ca. [..]
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STAWARZ Marcin Silesian University of Technology, Faculty of Mechanical Engineering, Department of Foundry Engineering Towarowa 7 Street, 44-100 Gliwice, Poland, marcin.stawarz@polsl.pl
Co-authors:
DOJKA Malwina
JANERKA Krzysztof
Abstract:
The article presents the results of abrasion tests for different types of silicon cast iron. Scope of research included silicon cast iron with a silicon content in the range of 15 – 25 %. [..]
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STROUHALOVÁ Michaela VSB - Technical University of Ostrava, Ostrava, Faculty of Metallurgy and Materials Engineering, Department of Metallurgy and Foundry, and Regional Materials Science and Technology Centre Czech Republic, EU, michaela.strouhalova@vsb.cz, karel.gryc@vsb.cz, ladislav.socha@vsb.cz, karel.michalek@vsb.cz
Co-authors:
GRYC Karel
SMETANA Bedřich
ZLÁ Simona
SOCHA Ladislav
MICHALEK Karel
KALUP Aleš
Abstract:
The methods for determination liquidus (TL) and solidus (TS) temperatures in high-temperature region for selected steel grade were compared in the frame of this paper. The paper deals with discussion of the results obtained by the two different simultaneous methods of high-temperature thermal analyses (Direct Thermal Analysis and DTA) on the high-sophisticated specialized experimental systems (Netzsch STA 449 F3 Jupiter, Setaram SETSYS 18TM). [..]
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ZLÁ Simona VŠB-TUO, Faculty of Metallurgy and Materials Engineering (FMME), Ostrava, Czech Republic, EU, simona.zla@vsb.cz
Co-authors:
KAWULOKOVÁ Monika
SMETANA Bedřich
DOBROVSKÁ Jana
KALUP Aleš
HABÁŇOVÁ Jitka
FRANCOVÁ Hana
STROUHALOVÁ Michaela
DROZDOVÁ Ľubomíra
VONTOROVÁ Jiřina
Abstract:
DSC method (Differential Scanning Calorimetry) is one of the thermal analysis methods which is suitable for studying the thermodynamic properties of metallic systems. In this work the heat capacities of real steel grade in the solid phase under strictly defined conditions for controlled heating were studied. [..]
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KODZHASPIROV Georgii Peter the Great St.Petersburg Polytechnic University, St.Petersburg, Russian Federation, gkodzhaspirov@gmail.com
Co-authors:
RUDSKOI Andrei
Abstract:
The different schemes of resource-saving Thermomechanical Processing (TMP) based on the hot, hot-warm and cold deformation applied to various steels and alloys including sheets, bars and parts production are described. Structural and phase transformations in the course of TMP and their role in formation of structure and mechanical properties in the different cross section shape of billets and parts are presented. [..]
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KOMÍNEK Jan Brno University of Technology, Brno, Czech Republic, EU, kominek@lptap.fme.vutbr.cz
Co-authors:
KOTRBÁČEK Petr
HORSKÝ Jaroslav
Abstract:
This article deals with the design of cooling systems for grooved rolls. The purpose is to extend the life of rolls by minimizing negative thermal stress during the rolling process. [..]
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VOTAVOVÁ Helena Brno University of Technology, Heat Transfer and Fluid Flow Laboratory, Brno, Czech Republic, EU, votavova@lptap.fme.vutbr.cz, pohanka@fme.vutbr.cz
Co-authors:
POHANKA Michal
Abstract:
Hydraulic descaling plays an important role in the surface quality of hot-rolled steel. Descaling occurs immediately before hot-rolling in order to eliminate layers of iron oxides on the surface. [..]
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NIOI Manuel Department of Mechanical Engineering, The University of Sheffield, Sheffield, UK, EU, mnioi1@sheffield.ac.uk
Co-authors:
PINNA Christophe
CELOTTO Steven
SWART Edwin
GHADBEIGI Hassan
Abstract:
Surface defects on metals products often have their root cause created during the hot rolling process by oxide scale in cavities and indents becoming embedded from the plastic deformation. The size and aspect ratio of these initial surface features are critical parameters determining whether they will be eliminated or not by the rolling process. [..]
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