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Conference Proceedings - METAL 2014
23rd International Conference on Metallurgy and Materials
May 21 - 23, 2014 / Hotel Voronez I, Brno, Czech Republic, EU
www.metalconference.eu
ISSN: 2694-9296
ISBN: 978-80-87294-52-9
Proceedings of the conference were published in Web of Science and Scopus.
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TKADLEČKOVÁ Markéta VSB - Technical University of Ostrava, Faculty of Metallurgy and Materials Engineering, Department of Metallurgy and Foundry, and Regional Materials Science and Technology Centre, Czech Republic, marketa.tkadleckova@vsb.cz, karel.michalek@vsb.cz
Co-authors:
MICHALEK Karel
VÁLEK Ladislav
KOVÁČ Marek
SMETANA Bedřich
ŽALUDOVÁ Monika
ZLÁ Simona
DOBROVSKÁ Jana
Abstract:
The paper devotes to verification of solidification of continuously cast round steel billets with a diameter 130 mm in the ProCAST simulation programme. The aim of numerical modelling realized under the conditions of the Department of Metallurgy and Foundry and Regional Materials Science and Technology Centre (RMSTC) at VSB-TU Ostrava is the optimization of the production of continuously cast steel in ArcelorMitall Ostrava a.s. [..]
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TRINKEL Verena Christian Doppler Laboratory for Anthropogenic Resources, Institute for Water Quality, Resource and Waste Management, Vienna University of Technology, Vienna, Austria, EU, verena.trinkel@tuwien.ac.at
Co-authors:
RECHBERGER Helmut
FELLNER Johann
Abstract:
One way for recycling of waste plastics is the utilization as an alternative reducing agent within the blast furnace process. Thus, they are substituting commonly used reducing agents such as coke and heavy oil, for example. [..]
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BERNASOWSKI Mikolaj AGH University of Science and Technology, Cracow, Poland, EU, mbernaso@metal.agh.edu.pl
Co-authors:
LEDZKI Andrzej
STACHURA Ryszard
KLIMCZYK Arkadiusz
Abstract:
At the blast-furnace process about 30% of oxygen is removed from the burden by direct reduction. Based on Ramm’s principles, the minimization fuel rate model, which is applied at computer-aided support system for blast furnace technology for BF No. [..]
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KROČA Lukáš Kovohute Pribram nastupnicka, a.s., Pribram, Czech Republic, EU, kroca@kovopb.cz
Abstract:
The iron and steel metallurgy produces significant quantities of solid, liquid and gaseous wastes. The solid wastes like dusts, sludges and mill scales have been stored in dumping area due to their chemical composition, mainly by high content of zinc, cadmium, lead or organic compounds contamination. [..]
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GAUDE-FUGAROLAS Daniel dgaude Prime Innovation SLU, Independent Research in Physical Metallurgy and Engineering, Vilassar de Mar, Spain, EU, dgaude@cantab.ne
Abstract:
Several methods are used in industry to deal with the excess of dissolved hydrogen in metal aloys. Strict control on disolved hydrogen is necessary to reduce the risk of metal embrittlement and severe property loss. [..]
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GRYC Karel VSB - Technical University of Ostrava, Faculty of Metallurgy and Materials Engineering, Department of Metallurgy and Foundry, and Regional Materials Science and Technology Centre, Ostrava, Czech Republic,EU, karel.gryc@vsb.cz, marketa.tkadleckova@vsb.cz, ladislav.socha@vsb.cz, karel.michalek@vsb.cz
Co-authors:
SMETANA Bedřich
STROUHALOVÁ Michaela
ŽALUDOVÁ Monika
MICHALEK Karel
ZLÁ Simona
VÁLEK Ladislav
KALUP Aleš
DOBROVSKÁ Jana
Abstract:
The paper is devoted to a discussion of the results obtained by the simultaneous use of three methods of thermal analysis in three different specialized devices with the aim to precise solidus and liquidus temperatures. The low carbon as-cast steel (130 mm round format) from Continuous Casting Machine No. [..]
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SOCHA Ladislav VSB-TU Ostrava, FMME, Department of Metallurgy and Foundry, Ostrava, Czech Republic, EU, ladislav.socha@vsb.cz, karel.michalek@vsb.cz, zbynek.hudzieczek@vsb.cz
Co-authors:
HUDZIECZEK Zbyněk
MICHALEK Karel
PILKA Václav
PIEGZA Zbygněv
Abstract:
Steel treatment in the ladle in the secondary metallurgy units can be described as refining processes taking place between two non-mixable liquids representing metal and slag, namely under relative high temperatures. During refining processes, transmission process appears between metal and slag which has an impact on increasing of micro-cleanness and mainly on steel desulphurization representing an important transfer process. [..]
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MACHOVČÁK Pavel VÍTKOVICE HEAVY MACHINERY a.s., Ostrava, Czech Republic, EU, pavel.machovcak@vitkovice.cz
Co-authors:
TKADLEČKOVÁ Markéta
OPLER Aleš
CARBOL Zdeněk
TREFIL Antonín
MICHALEK Karel
Abstract:
A production of heavy forging ingots is usually accompanied by a segregation of elements in the structure of steel. The segregation of the elements causes anisotropy of mechanical properties. [..]
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JEZIERSKI Jan Silesian University of Technology, Faculty of Mechanical Engineering, Department of Foundry Engineering, Gliwice, Poland, EU, jan.jezierski@polsl.pl, krzysztof.janerka@polsl.pl, marcin.stawarz@polsl.pl
Co-authors:
JANERKA Krzysztof
STAWARZ Marcin
Abstract:
The problem of pneumatic powder injection into liquid alloys has been analyzed by authors in previous theoretical, model and numerical experiments what was reported in previous articles. Here an issue of real semi-industrial hot experiments has been presented. [..]
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PICHLER Anton Chair of Ferrous Metallurgy, Montanuniversitaet Leoben, Leoben, Austria, EU
Co-authors:
SCHENK Johannes
HANEL Martina
MALI Heinrich
HAUZENBERGER Franz
THALER Christoph
STOCKER Hugo
Abstract:
Alkaline metals like sodium and potassium are generally known as unwanted elements in ironmaking processes. Beside the negative effects on refractory and coke consumption, alkalis have negative influence on the mechanical stability of the feed material. [..]
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SMETANA Bedřich VSB-TUO, Faculty of Metallurgy and Materials Engineering, Ostrava (FMME), Czech Republic, EU, bedrich.smetana@vsb.cz
Co-authors:
ŽALUDOVÁ Monika
ZLÁ Simona
ROSYPALOVÁ Silvie
KALUP Aleš
DOBROVSKÁ Jana
MICHALEK Karel
STROUHALOVA Michaela
DOSTÁL Petr
VÁLEK Ladislav
Abstract:
The paper deals with the study of phase transitions temperatures (mainly solidus and liquidus) with use of different thermal analysis methods. The key thermal analysis methods are at the present days DTA (Differential Thermal Analysis), DSC (Differential Scanning Calorimetry) and “direct” thermal analysis. [..]
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WRÓBEL Marek AGH University of Science and Technology, Cracow, Poland, EU, marek.wrobel@agh.edu.pl
Co-authors:
BURBELKO Andriy
Abstract:
CALPHAD-based calculations, for quite some time now, have been very useful and convenient way to obtain data needed for modelling of solidification process. Among scientists, interested in and working on the topic, knowledge of existence of software for thermodynamic calculations is widely spread, but at the same time its usage is limited. [..]
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MASARIK Miloš EVRAZ VÍTKOVICE STEEL, a. s., Ostrava, Czech Republic, EU, milos.masarik@cz.evraz.com
Co-authors:
ČAMEK Libor
Abstract:
The paper was focused on search of causes of occurrence of internal and surface defects of continuously cast steel slabs. The relationships between types of defects given in literature and their occurrence in industrial practice were investigated, ensuing from preparation of the melt according to the specification of secondary metallurgy unit and equipment of the continuous casting machine. [..]
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KORBÁŠ Martin Vítkovice Heavy Machinery, a.s., Ostrava, Czech Republic, EU, martin.korbas@vitkovice.cz
Co-authors:
ČAMEK Libor
KURKA Vladislav
Abstract:
The paper presents research of possibilities of optimisation of production of tool steel of X40CrMoV5-1 grade for forging on the rapid forging machine, which was directed on conditions of casting with focus on macro-porosity and micro-porosity in the ingot body. Metallographic analyses of ingot structures prove that internal discontinuities in ingots may be formed as a result of volume changes of liquid and solid phases, of carbidic segregations and micro-cracks in segregations. [..]
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HODEK Josef COMTES FHT a.s. Dobrany, Czech Republic, EU, josef.hodek@comtesfht.cz
Abstract:
Induction heating is today wide used technology in industry in huge range of fields. Solution of this process contains both solution of the electromagnetic field and solution of the thermal field. [..]
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STAWARZ Marcin Silesian University of Technology, Faculty of Mechanical Engineering, Department of Foundry Engineering Gliwice, Poland, EU, marcin.stawarz@pols.pl
Co-authors:
JANERKA Krzysztof
JEZIERSKI Jan
SZAJNAR Jan
Abstract:
The results of the experiments on the high-silicon cast iron crystallization have been presented in the paper. The researches have been focused on the transformations in solid state during the crystallization process. [..]
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HAMPL Jiří VSB-Technical University of Ostrava,Ostrava, Czech Republic, EU, jiri.hampl@vsb.cz
Co-authors:
ELBEL Tomáš
VÁLEK Tomáš
Abstract:
Aluminium has various uses of iron metallurgy. It is often used as an alloying additive to increase the mechanical or improve physical properties. [..]
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BAUMGARTNER Kerstin Ferrous Metallurgy, Montanuniversität Leoben, Leoben, Austria, EU, kerstin.baumgartner@stud.unileoben.ac.at
Co-authors:
HANEL Martina B.
Abstract:
The operation of a blast furnace is characterized by simultaneous running chemical and physical processes. Hence, the influence of parameters like pressure, temperature and gas composition on the reduction behaviour of the iron bearing minerals cannot easily be presented in a simplified form, e.g. [..]
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DRÁPALA Jaromír VSB - Technical University of Ostrava, Faculty of Metallurgy and Materials Engineering, RMSTC, Ostrava, Czech Republic, EU
Co-authors:
BROŽOVÁ Silvie
MADAJ Michal
VU The Ha
MACHOVČÁK Pavel
JONŠTA Petr
VINŠ Miroslav
Abstract:
In the paper the results of the theoretical and experimental study of behaviour of mischmetal and non-ferrous metals in steels will be presented. The samples of two special steels were prepared with micro-alloying of mischmetal by application of plasma metallurgy. [..]
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CHEN Hsueh Min National Cheng Kung University, Department of Materials Science and Engineering, Tainan, Taiwan, wshwang@mail.ncku.edu.tw
Co-authors:
HWANG Weng-Sing
Abstract:
In the present work, magnetic field and behavior of electrically conducting fluid flow under the influence of the magnetic field are numerically simulated. Two sets of commercial software, ANSYS Mechanical and ANSYS FLUENT, are used for the numerical simulations. [..]
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