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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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KUBOŇ Zdeněk Material and Metallurgical Research, Ostrava, Czech Republic, EU, creep.lab@mmvyzkum.cz
Abstract:
Operating life and reliability of steam boiler and piping systems are considerably determined by long-term creep rupture strength (CRS) of welded joints of boiler tubes and pipes. Consequently, the appreciable research effort has been focused to reveal the most important factors affecting the creep properties of weldments. [..]
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KULOVÁ Taťána VŠB – Technical University of Ostrava, Faculty of Metallurgy and Materials Engineering, Ostrava, Czech Republic, EU, tatiana.kulova@vsb.cz
Co-authors:
SOJKA Jaroslav
VÁŇOVÁ Petra
SOZAŃSKA Maria
Abstract:
The presented paper deals with hydrogen diffusion and hydrogen provoked degradation in the TRIP 800 Mn-Si-Al steel with increased aluminum content. The steel was studied after standard heat treatment including two step annealing – an intercritical annealing and an annealing in the range of bainitic transformation. [..]
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LABUDA Wojciech Gdynia Maritime University, The Faculty of Marine Engineering, Gdynia, Poland, EU, wlabuda@am.gdynia.pl
Co-authors:
KHUDOLEY Andrei
Abstract:
One of the greatest problems of modern production techniques is the achievement of an appropriate quality at minimal costs and accompanied by the production efficiency increase. During finish treatment the final dimensions as well as functional properties are imparted to a given element by application of proper treatment type. [..]
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MARTÍNEK Petr COMTES FHT a.s., Dobřany, Czech Republic, EU, petr.martinek@comtesfht.cz
Co-authors:
MÍŠKOVÁ Jana
DLOUHÝ Jaromír
PODANÝ Pavel
BALCAR Martin
Abstract:
This paper deals with the impact of solution annealing on the properties of X2CrNiMoN2253 duplex steel. Experimental specimens were 100×100×150 mm forged and air-cooled pieces, which were solution-annealed at several temperatures changed in 20 °C steps between 1020 and 1120 °C.Mechanical tests conducted on these processed specimens included tension tests and Charpy impact tests at room temperature and at -46 °C. [..]
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MARYNOWSKI Przemysław AGH University of Science and Technology, al. Mickiewicza 30, 30-059 Kraków, Poland, EU
Co-authors:
GŁOWACKI Mirosław.
ADRIAN Henryk
Abstract:
Cellular Automata (CA) model of carbo-nitride precipitation in micro-alloyed steels is presented in the paper. The model accounts for an increase of dislocation density due to plastic deformation and predicts kinetics of precipitation as well as stereological parameters of precipitates. [..]
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MAZANCOVÁ Eva Technical University of Ostrava, Faculty of Metallurgy and Materials Engineering, Ostrava, Czech Republic, EU, eva.mazancova@vsb.cz, dimitrij.o@seznam.cz, pavel.kucera.st@vsb.cz
Co-authors:
KUČERA Pavel
SAKSL Karel
ĎURIŠIN Martin
BALGA Dušan
SZABO Juraj
Abstract:
The work deals with chosen properties of bimetal weld and its neighbourhood of Ti-clad Cr/Ni steel after one or double heat treatment (at 600 °C / 1.5 h / air) applied after explosive bonding. Notch impact strength values were compared with bimetal weld of C-Mn steel bonded with Ti after the same heat treatments. [..]
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MICU Lavinia Madalina „Polytechnica“ Universty of Timisoara, Timisoara, Romania, EU, lavimicu@yahoo.com
Co-authors:
MITELEA Ion
BORDEASU Ilare
CRACIUNESCU Corneliu Marius
OANCA Octavian Victor
Abstract:
Currently, one of the modern techniques for improving the surface properties of the stainless steel is the nitrating thermo chemical treatment. The research conducted in this paper aims at forming coatings with high hardness on the surface of Duplex stainless steel X2CrNiMoN22-5-3. [..]
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MRZYGŁÓD Barbara AGH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, Cracow, Poland, EU, mrzyglod@agh.edu.pl
Co-authors:
OLEJARCZYK-WOŻEŃSKA Izabela
MATUSIEWICZ Piotr
KOPYŚCIAŃSKI Mateusz
GŁOWACKI Mirosław
Abstract:
The article presents the results of computer quantitative analysis of the microstructure of ductile cast iron heat treated with isothermal transformation. To determine the relative volume fraction of austenite and the geometric parameters of ferrite needles the methods of image analysis were used. [..]
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NOWAK Jan BOSMAL Automotive Research &Development Institute Ltd., Bielsko-Biala, Poland, EU, jan.nowak@bosmal.com.pl
Co-authors:
ADAMASZEK Krzysztof
PIECHA Inga
JURASZ Zbigniew
Abstract:
Valve-seats are the most thermally and mechanically loaded components of combustion engines. These loads increase rapidly with the use of LPG and CNG gaseous fuels. [..]
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OCHODEK Vladislav VSB – Technical University of Ostrava, Faculty of Mechanical Engineering, Dept. of Mechanical Technology, Ostrava, Czech Republic, EU, vladislav.ochodek@vsb.cz
Co-authors:
BOXAN Pavel
Abstract:
The methods of intensive plastic deformation SPD (Severe Plastic Deformation) belong to a group of very attractive means of increasing utility properties of metallic materials (strength and structural characteristics). The paper is focused on numerical simulation forming of high-carbon steel C55E processed by the SPD DRECE (Dual Rolling Equal Channel Extrusion) and GTAW-141 welding process by Simufact software. [..]
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OLEJARCZYK-WOŻEŃSKA Izabela AGH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, Cracow, Poland, EU, iolejarc@agh.edu.pl
Co-authors:
GIĘTKA Tomasz
ADRIAN Henryk
MRZYGŁÓD Barbara
GŁOWACKI Mirosław
GOŁY Marcin
Abstract:
The results of the X-ray diffraction analysis of the pearlitic - ferritic ductile iron with the addition of Ni are presented. The cast iron was heat treated by austenitizing with the following austempering carried out under different conditions. [..]
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PAGÁČ Marek VSB - Technical University of Ostrava, Ostrava, Czech Republic, EU, marek.pagac@vsb.cz, sarka.malotova.st@vsb.cz, marek.sadilek@vsb.cz, jana.petru@vsb.cz, tomas.zlamal@vsb.cz, jiri.kratochvil@vsb.cz
Co-authors:
MALOTOVÁ Šárka
SADÍLEK Marek
PETRŮ Jana
ZLÁMAL Tomáš
KRATOCHVÍL Jiří
Abstract:
The article deals with the evaluation of residual stress after machining of surfaces using effective milling strategies programmed by CAM systems. Milling of the shaped parts containing pockets and grooves, the cutting tool must be driven into corners with lower feed rate, because angle of entry, cutting depth increase and then a chip is tamped and leaving from the place of cut is very difficult. [..]
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PASYNKOV A.Yu. M.N. Miheev Institute of Metal Physics, UB RAS, Ekaterinburg, Russian Federation, apasynkov@list.ru*
Co-authors:
POPOV V.V.
GORBACHEV I.I.
Abstract:
A numerical method of simulation of evolution of complex precipitates in multiphase multicomponent systems is suggested. This method is based on the mean field approximation for the description of evolution of the pre-existing particles and on the classical theory of nucleation for calculation of the rate of formation of new nuclei. [..]
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PUCHLERSKA Sandra AGH University of Science and Technology in Cracow, Cracow, Poland, EU; spuchler@agh.edu.pl
Co-authors:
NOWOSIELSKI Maciej
GŁODZIK Marcin
KORFANTY Katarzyna
KITA Paweł
Abstract:
The aim of the study was to determine the corrosion resistance of the plastically deformed and heat treated aluminized steel samples. It was the non-standard study, but the most important conditions have been taken from the standards. [..]
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ŘEHOŘEK Jakub VSB –- Technical University of Ostrava, Ostrava, – Poruba, Czech Republic, EU, vlastimil.vodarek@vsb.cz
Co-authors:
VODÁREK Vlastimil
HERNAS Adam
Abstract:
Creep resistance of austenitic steels can be improved by small additions of strong carbide and nitride forming elements. Additions of such elements to steels have to be followed by detailed investigations on microstructural stability and surveys of creep failure mechanisms.This paper deals with creep behaviour and microstructure evolution in the AISI 316LN + 0.1 wt. [..]
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SĂLCIANU Cornelia Laura „Polytechnica“ University of Timisoara, Mihai Viteazul No.1, 300222 Timisoara, Romania, EU, salcianu.laura@yahoo.com
Co-authors:
BORDEAŞU Ilare
MITELEA Ion
CRĂCIUNESCU Corneliu Marius
Abstract:
The harmful effect of cavitation is the erosion of the material. Although there are many studies on improving the mechanical properties of the material in order to increase resistance to cavitation so far none has defined the optimal solution for complete protection against this type of wear. [..]
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PIEKARSKA Wiesława Czestochowa University of Technology, Institute of Mechanics and Machine Design Foundations, Czestochowa, Poland, EU, piekarska@imipkm.pcz.pl, saternus@imipkm.pcz.pl, kubiak@imipkm.pcz.pl, domanski@imipkm.pcz.pl
Co-authors:
SATERNUS Zbigniew
KUBIAK Marcin
DOMAŃSKI Tomasz
Abstract:
The work concerns the modeling and numerical analysis of thermal phenomena in laser welded T-joints. The effect of laser beam slope relative to welded elements on the temperature distribution is analyzed. [..]
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Petrů Jana VSB – Technical University of Ostrava, Faculty of Mechanical Engineering, Department of Machining, Assembly and Engineering Metrology, Ostrava, Czech Republic, EU, jana.petru@vsb.cz, jan.schiffner.st@vsb.cz, tomas.zlamal@vsb.cz, robert.cep@vsb.cz, jiri.kratochvil@vsb.cz
Co-authors:
Schiffner Jan
Zlámal Tomáš
Čep Robert
Kratochvíl Jiří
Stančeková Danka
Abstract:
The article concerns the machining process of the titanium alloy Ti6Al4V according to the norm DIN W. Nr 3.7164 and the choice of a suitable cutting tool. [..]
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SCHMIDOVÁ Eva University of Pardubice, Jan Perner Transport Fakulty, Pardubice, Czech Republic, eva.schmidova@upce.cz
Co-authors:
BOZKURT Fatih
SCHMID Michal
CULEK Bohumil
Abstract:
The paper deals with degradation of the structural and mechanical parameters of DOMEX 700MC steel due to welding process. It is focused on evaluation of the mechanical heterogeneities influence at higher strain rate. [..]
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ŠVÁBENSKÁ Eva Institute of Physics of Materials, Academy of Sciences of the Czech Republic, Brno, Czech Republic, EU, svabenska@ipm.cz
Co-authors:
ROUPCOVÁ Pavla
SCHNEEWEISS Oldřich
Abstract:
We have investigated structure and phase composition of surface layer of tram rails after long time running and the results were compared with those obtained on the original part of material. Changes due to effects of severe plastic deformation together with thermal shocks by friction process were expected. [..]
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