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Conference Proceedings - METAL 2017
26th International Conference on Metallurgy and Materials
May 24th - 26th 2017 / Hotel Voronez I, Brno, Czech Republic, EU
www.metalconference.eu
ISSN: 2694-9296
ISBN: 978-80-87294-79-6
Proceedings of the conference were published in Web of Science and Scopus.
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DUCKI Kazimierz Silesian University of Technology, Katowice, Poland, EU, kazimierz.ducki@polsl.pl, adam.plachta@polsl.pl, jacek.mendala@polsl.pl
Co-authors:
PŁACHTA Adam
MENDALA Jacek
WOJTYNEK Lilianna
Abstract:
The influence of two variants of initial soaking at 1120 °C / 2 h and 1180 °C / 2 h and parameters of hot plastic working on the deformability of an IN 718 type superalloy have been presented. The hot deformation characteristics of alloy were investigated by hot torsion tests. [..]
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GREGER Miroslav VŠB – Technical University of Ostrava, Faculty of Metallurgy and Materials Engineering Ostrava-Poruba, Czech Republic, EU, miroslav.greger@vsb.cz
Co-authors:
KAWULOK Rostislav
Petržela Jiří
LÁSZLÓ Vladimír
DLUGOŠ Ivan
Abstract:
The paper deals with comparison of forging technology and selected forming factors on structure of the steel EN X160CrMoV 12 1.Steel under investigation is a high-alloyed Cr-Mo-V tool steel for exploitation both in hot and cold conditions. The steel is characterizsed by difficult formability and high resistance to deformation in the whole range of the forging temperatures. [..]
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MAMALA Andrzej AGH University of Science and Technology, Faculty of Non-Ferrous Metals, 30 Mickiewicza AV., 0-059 Kraków, Poland
Co-authors:
GRZEBINOGA Justyna
KWAŚNIEWSKI Paweł
KIESIEWICZ Grzegorz
ŚCIĘŻOR Wojciech
NOWAK Andrzej
KORDASZEWSKI Szymon
KOWAL Radosław
ZASADZIŃSKA Małgorzata
Abstract:
Modern high-efficiency heat exchangers used in renewable energy systems are more and more often based on light metals and their alloys. The reasons for this are both economic and technical. [..]
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HADASIK Eugeniusz Silesian University of Technology, Katowice, Poland, EU, eugeniusz.hadasik@polsl.pl
Co-authors:
KUC Dariusz
BEDNARCZYK Iwona
Abstract:
The aim of the study was to evaluate the effect of deformation parameters on the plasticity and microstructure of alloy AZ31. Continuous, two-stage and multi-stage hot deformation tests were performed to analyze the effect of parameters such as heating temperature, deformation size, deformation speed and deformation time after deformation on the alloy microstructure and plasticity of the alloy. [..]
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KASZUBA Marcin Wroclaw University of Science and Technology, Łukasiewicza 5 Street, 50-371 Wrocław, Poland, EU, marcin.kaszuba@pwr.edu.pl, pawel.widomski@pwr.edu.pl
Co-authors:
WIDOMSKI Paweł
PIECHOWICZ Łukasz
Abstract:
This article describes problems related to the lifetime of tools used for hot forging. The results of industrial tests, involving the application of ZeroFlow nitriding for the purpose of improving tool lifetime, are presented. [..]
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KAWAŁEK Anna Politechnika Częstochowska, Wydział Inżynierii Produkcji i Technologii Materiałów, Instytut Przeróbki Plastycznej i Inżynierii Bezpieczeństwa, Al. Armii Krajowej 19, 42-200 Częstochowa, Polska, kawalek@wip.pcz.pl
Co-authors:
MAGIERA Monika
KOCZURKIEWICZ Bartosz
DYJA Henryk
LABER Konrad
Abstract:
The paper presents the results of the outer surface quality examinations of Zr-1%Nb alloy tubes after the process of pilger rolling with a deformation of ε=72% on a KPW rolling mill. For the analysis of the effect of the strain rate and the degree of deformation of the magnitude of the yield stress σp of the investigated alloy, an experiment was programmed based on the industrial conditions and physical modelling of the rolling process was carried out. [..]
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KOREČEK David TUL - Technical University of Liberec, Liberec, Czech Republic, EU, david.korecek@tul.cz
Co-authors:
SOLFRONK Pavel
Abstract:
The paper is focused on the definition of a suitable material model of the titanium alloy, which is subsequent used for the numerical simulation of drawing process and the material spring-back by the FEM. Simulation of drawing process and subsequent spring-back was done in the environment of the simulation software PAM-STAMP 2G. [..]
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KUC Dariusz Silesian University of Technology, Katowice, Poland, EU, dariusz.kuc@polsl.pl
Co-authors:
WOŹNIAK Dariusz
BEDNARCZYK Iwona
Abstract:
The aim of the paper was to determine the parameters of recrystallization annealing for cold-rolled sheets prepared from steel X60MnAl30-9. Tested steel is characterized with high resistance and ductility but due to the addition of 9%Al it meets the criterion of the so-called “light steel”. [..]
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LABER Konrad Czestochowa University of Technology, Faculty of Production Engineering and Materials Technology, Institute for Plastic Working and Safety Engineering, Al. Armii Krajowej 19, 42-200 Czestochowa, Poland, laber.konrad@wip.pcz.pl
Co-authors:
DYJA Henryk
KAWAŁEK Anna
Abstract:
The paper presents the results of numerical modelling of fixed-end hot torsion testing for conditions characteristic of the STD 812 torsion plastometer. The material used for the tests was a hard deformable aluminium alloy in grade 5019. [..]
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MALINOWSKI Tomasz Pratt & Whitney Rzeszów, Rzeszów, Poland, EU
Co-authors:
PIEJA Tomasz
TRZEPIECINSKI Tomasz
ZABA Krzysztof
Abstract:
In this paper, the forming process of the bearing housing element of a fan engine is investigated. Because the bearing housing is subjected to corrosion and a heat-resistant environment, this part is made of AMS5604 stainless steel. [..]
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MIŁEK Tomasz Kielce University of Technology, Faculty of Mechatronics and Mechanical Engineering, Department of Applied Computer Science and Armament Engineering, al. Tysiąclecia Państwa Polskiego 7, 25-314 Kielce, Poland, tmatm@tu.kielce.pl
Abstract:
The paper presents experimental results that concern hydromechanical bulging of copper axisymmetric components whose relative wall thickness was s0 / D = 0.045. The investigations aimed to determine the impact of degree of deformation on wall thickness distribution in longitudinal section of hydromechanically bulged axisymmetric components. [..]
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MRZYGŁÓD Barbara AGH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, al. A. Mickiewicza 30, 30-059 Cracow, Poland, EU, mrzyglod@agh.edu.pl
Co-authors:
Hawryluk Marek
POLAK Sławomir
Abstract:
The paper presents the results of neural network sensitivity analysis used in prediction system of tool durability in die forging processes. Data collected during many experiments, tabulated in the form of knowledge vectors, has been used as a source of training data for artificial neural networks. [..]
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NIEWIELSKI Grzegorz Silesian University of Technology, Katowice, Poland, EU, grzegorz.niewielski@polsl.pl
Co-authors:
KUC Dariusz
HADASIK Eugeniusz
BEDNARCZYK Iwona
Abstract:
The article presents the results of tests of influence of the thermo-mechanical treatment parameters on the mechanical properties and microstructure of steel C70D for wire rod. The methodology of quantitative description of pearlite morphology in steels with the use of the method on which a new computer program "PILS" - Pearlite Inter-Lamellar Spacing is based was presented. [..]
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OPĚLA Petr VSB - Technical University of Ostrava, Ostrava, Czech Republic, EU
Co-authors:
SCHINDLER Ivo
RUSZ Stanislav
VANČURA Filip
Abstract:
The critical strain for initiation of dynamic recrystallization is an important value in case of thermomechanical process design. In this research, different models have been utilized to describe hot compression flow curves of C45 carbon steel up to the peak point. [..]
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PAČÁK Tomáš Czech Technical University in Prague, Faculty of Mechanical Engineering, Prague, Czech Republic, EU, Tomas.Pacak@fs.cvut.cz, Michal.Vales@fs.cvut.cz, Frantisek.Taticek@fs.cvut.cz
Co-authors:
VALEŠ Michal
TATÍČEK František
Abstract:
In the stamping process, springback causes geometrical inaccuracies in the final shape of metal stampings. Springback behavior is highly influenced by mechanical properties of the material, by the geometrical complexity of the shape and also by stamping process itself. [..]
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PIEJA Tomasz Pratt & Whitney Rzeszów, Rzeszów, Poland, EU
Co-authors:
MALINOWSKI Tomasz
HOJNY Marcin
TRZEPIECINSKI Tomasz
NOWOTYNSKA Irena
Abstract:
This paper presents the results of the numerical analysis of the formation process of a turbine engine deflector. In the finite element model we considered thermo-mechanical phenomena occurring during industrial forming of the drawpiece in the hydraulic press. [..]
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PRESZ Wojciech Warsaw University of Technology, Warsaw, Poland, EU, w.presz@wip.pw.edu.pl
Co-authors:
CAKCO Robert
Abstract:
One of the modern industry trends is to be able to manufacture components of relatively small size using traditional or new technologies. Smaller components usually need special assembly techniques. [..]
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PRESZ Wojciech Institute of Manufacturing Technologies, Warsaw University of Technology – Narbutta 85, 02-524 Warsaw, Poland, EU, w.presz@wip.pw.edu.pl
Co-authors:
CACKO Robert
Abstract:
Within this work an experimental set-up was designed and constructed. It allows axial vibrations application to replaceable punches with a frequency of 20 kHz. [..]
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RUSZ Stanislav VŠB-Technical University of Ostrava, 17. listopadu 15, CZ 708 33 Ostrava, Czech Republic
Co-authors:
KRAUS Martin
HILŠER Ondřej
Švec Jiří
Kedroň Jan
ČÍŽEK Lubomír
Donič Tibor
TAŃSKI Tomasz
Krejčí Lucie
Abstract:
Development of production technology of very fine-grained material is currently very intensively accelerated. Even in scientific research, it is recognized that precisely controlled forming processes, including special processes, enabling control of technological parameters with regard to the structure and its further refinement, currently has the highest gradient utilization efficiency of scientific research findings into practice. [..]
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Rusz Stanislav VSB – Technical University of Ostrava, Faculty of Metallurgy and Materials Engineering, 17. listopadu 15, 708 33 Ostrava, Czech Republic, EU, stanislav.rusz2@vsb.cz, ivo.schindler@vsb.cz, petr.opela@vsb.cz
Co-authors:
NĚMEC Josef
Schindler Ivo
Opěla Petr
SOLOWSKI Zdeněk
Abstract:
In this paper, influence of initial structure of C45 medium-carbon steel on the value of its flow stress was examined. The research was based on comparison of experimental stress-strain curves acquired using uniaxial compression tests of two initial structural states. [..]
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