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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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PRUSOV Evgeny Vladimir State University named after Alexander and Nikolay Stoletovs, Vladimir, Russian Federation
Co-authors:
PANFILOV Alexey
KECHIN Vladimir
Abstract:
Using nanoparticles as reinforcement for aluminum matrix composites allows significantly increase mechanical and operational properties of details. However, input of exogenous nanoparticles into the aluminum melts is associated with significant technological difficulties caused by their agglomeration and poor wettability with liquid aluminum. [..]
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ŠLAPÁKOVÁ Michaela Charles University, Faculty of Mathematics and Physics, Ke Karlovu 5, Praha 2, Czech Republic, slapakova@karlov.mff.cuni.cz
Co-authors:
KŘIVSKÁ Barbora
BAJER Jan
GRYDIN Olexandr
CIESLAR Miroslav
Abstract:
Twin-roll cast Al-Mg-Sc alloy was processed by equal-channel angular pressing in order to produce ultrafine-grained structure. The microstructure was studied by the means of scanning electron microscopy, electron back-scatter diffraction and transmission electron microscopy. [..]
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JURKIEWICZ Bartosz AGH University of Science and Technology, Faculty of Non-Ferrous Metals, Department of Metal Working and Physical Metallurgy of Non-Ferrous Metals, Cracow, Poland, EU email: bartoszjurkiewiczagh@gmail.com
Co-authors:
SMYRAK Beata
KNYCH Tadeusz
MAMALA Andrzej
NOWAK Andrzej
KORZEŃ Kinga
ZASADZIŃSKA Małgorzata
GNIEŁCZYK Marek
KOWAL Radosław
Abstract:
The subject of the paper concerns fatigue strength tests of aluminum and copper wires in different state of strain hardening used in overhead power lines and railway power lines. The paper attempts to describe operating problems, especially fatigue strength, research methodology, description of a research stand. [..]
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KUMAR Pravir Indian Institute of Technology (ISM), Department of Mechanical Engineering, Dhanbad – 826004, India
Co-authors:
KUJUR Milli Suchita
MALLICK Ashis
TUN Khin Sandar
GUPTA Manoj
Abstract:
In this work, Mg-3 % Al alloy was reinforced by graphene nano-plates using powder metallurgy technique including microwave sintering and hot extrusion. Graphene nano-plates were synthesised using modified Hummer’s method. [..]
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DVORSKÝ Drahomír Faculty of chemical technology, Department of metals and corrosion engineering, University of Chemistry and Technology Prague, Technická 5, 166 28 Praha 6 – Dejvice, Czech Republic, e-mail: dvorskyd@vscht.cz
Co-authors:
KUBÁSEK Jiří
VOJTĚCH Dalibor
VAVŘÍK Jaroslav
Abstract:
Magnesium alloys are utilized in the aviation and automotive industry for their low density and good mechanical properties. Magnesium alloys are also interesting for use in the field of biodegradable implants because magnesium is biocompatible element essential for human body. [..]
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Bourezg Yousf Islem Faculty of Physics, USTHB, Algiers, Algeria, bourezgy@gmail.com
Co-authors:
Azzeddine Hiba
Huang Yi
Bradai Djamel
Langdon Terence G.
Abstract:
The recrystallization process of Mg-Ce alloy after high-pressure torsion (HPT) was investigated using differential scanning calorimetry (DSC) technique. The DSC results show that the recrystallization peak temperature increases with increasing the heating rate which confirms that recrystallization is thermally activated and kinetically controlled. [..]
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ZEMKOVÁ Mária Department of Physics of Materials, Charles University, Prague, Czech Republic, EU, e-mail: 1zemkova.maria1@gmail.com
Co-authors:
DROZDENKO Daria
BOHLEN Jan
MINÁRIK Peter
Abstract:
Intensive efforts have been recently made for a production and a processing of Mg-based light structural alloys, which would provide a utilization in the automotive and aerospace engineering, medical implants and equipment, power generation system, etc. In this study, three magnesium alloys containing neodymium and/or yttrium were investigated in an extruded condition. [..]
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ZENGIN Huseyin Karabuk University, Department of Metallurgy and Materials Engineering, Karabuk, Turkey, e-mail: huseyinzengin@karabuk.edu.tr
Co-authors:
TUREN Yunus
AHLATCI Hayrettin
SUN Yavuz
Abstract:
In this study, effect of indium (In) addition on microstructure and mechanical properties of AM60 magnesium alloys was investigated. In additions were made by 0.2, 0.5 and 1 wt.%. [..]
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HAVLÍK Petr Institute of Materials Science and Engineering, NETME centre, Brno University of Technology, Technická 2896/2, 616 69 Brno, Czech Republic, e-mail: havlik03petr@gmail.com
Co-authors:
ČUPERA Jan
DLOUHÝ Ivo
Abstract:
Electron beam welding offers many advantages over other methods of fusion welding. High current density of electron beam is one of the advantages. [..]
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YANKOV Emil University of Ruse “A. Kanchev”, Department of Material Science and Technology, Bulgaria, EU, e-mail: eyankov@uni-ruse.bg
Co-authors:
NIKOLOVA Maria P.
PETROV Petar
ZAHARIEVA Vanya
VALKOV Stefan
ORMANOVA Maria
Abstract:
The improvement of the tribological behavior of the titanium alloys used for hard implants requires the application of different treatments (heat treatment and electron beam surface modification (EBSM) by scanning electron beam) that homogenize the bulk and surface structure as compared with the as-received material. In view of analyzing the influence of the applied vacuum heat treatment on Vickers hardness in three mutually perpendicular planes of the Ti5Al4V samples in as-received, quenched and quenched and precipitated condition are used for determining the plane for scratch test analysis and application of the EBSM afterward. [..]
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NIKOLOVA Maria P. University of Ruse “A. Kanchev”, Faculty of Mechanical and Manufacturing Engineering, Ruse, Bulgaria, EU, e-mail: mpnikolova@uni-ruse.bg
Co-authors:
YANKOV Emil
PETROV Petar
VALKOV Stefan
ORMANOVA Maria
ZAHARIEVA Vanya
TONEV Danko
ANDREEVA Andreana
Abstract:
Obtaining of an appropriate implant material requires a detailed analysis of the effect of the applied surface treatments. In the particular study, the Ti5Al4V alloy was vacuum heat treated and electron beam surface modified (EBSM) by scanning electron beam and its surface characteristics were revealed by modern topographic and metallographic analysis. [..]
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WOJTASZEK Marek AGH University of Science and Technology, Faculty of Metals Engineering and Industrial Computer Science, Al. Mickiewicza 30, 30-059 Kraków, Poland, e-mail: mwojtasz@metal.agh.edu.pl
Co-authors:
ŚLEBODA Tomasz
ZYGUŁA Krystian
MYRCIK Adam
ŁUKASZEK-SOŁEK Aneta
Abstract:
This research work was focused on the application of powder metallurgy technology to the production of high-quality products from Ti6Al4V alloy (Ti64). The common way to produce structural parts from Ti64 alloy is hot forging. [..]
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Frkáň Martin University of Žilina, Department of Materials Engineering, Žilina, Slovakia, martin.frkan@fstroj.uniza.sk, radomila.konecna@fstroj.uniza.sk
Co-authors:
Konečná Radomila
Nicoletto Gianni
Abstract:
Direct Metal Laser Sintering (DMLS), one of Additive Manufacturing technologies, produces layer-by-layer geometrically complex components from metal powders, such as nickel alloys, titanium alloys, aluminum alloys, etc. using a high power concentrated laser beam. [..]
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Fargas Gemma CIEFMA/EEBE, Departament de Ciència dels Materials i Enginyeria Metallúrgica
Co-authors:
Roa Joan Josep
Sefer Birhan
Pederson Robert
Antti Marta-Lena
Mateo Antonio
Abstract:
One of the most common titanium alloys for aerospace industry is Ti6Al4V (usually designed as Ti64) which is used for manufacturing aero-engine components, such as fan discs, compressor discs, blades and stators. The maximum service temperature for this alloy is limited partly because of degradation of mechanical properties at elevated temperatures (above 480 °C). [..]
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ŠULÁK Ivo Institute of Physics of Materials, Academy of Sciences of the Czech Republic, Žižkova 22, 616 62 Brno, Czech Republic, sulak@ipm.cz
Co-authors:
OBRTLÍK Karel
HRBÁČEK Karel
Abstract:
The second generation nickel-based superalloy MAR-M247 offers a satisfying combination of fatigue and creep properties and oxidation and corrosion resistance that are required for application at elevated temperatures in hostile environments. The microstructure consists mainly of the face centred cubic γ matrix and ordered γ´ strengthening precipitates (L12 crystal structure). [..]
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ALTIN Abdullah Van Vocational School of Higher Education, Yuzuncu Yıl University, 65100 Van, Turkey, aaltin@yyu.edu.tr
Abstract:
In this paper were determined the effects of cutting speed, cutting tool and feed rate on cutting forces and surface roughness based on Taguchi experimental design. The effects of machining parameters were investigated using Taguchi L18 orthogonal array. [..]
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KRATOCHVÍLOVÁ Vendula Brno University of Technology, Faculty of Mechanical Engineering, Brno, Czech Republic, EU, xkrato04@vutbr.cz, vlasic@fme.vutbr.cz, mazal@fme.vutbr.cz, koutny@fme.vutbr.cz
Co-authors:
VLAŠIC František
MAZAL Pavel
KOUTNÝ Daniel
Abstract:
This study evaluates fatigue properties of copper (Cu) alloy Cu7.2Ni21.8Si1Cr produced by selective laser melting technology (SLM). This technology belongs to additive manufacturing or 3D printing technologies and allows produce metal parts with complicated shapes in short production time and without the need to use expensive molds or large material waste. [..]
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GNIEŁCZYK Marek AGH University of Science and Technology, Faculty of Non-Ferrous Metals, Department of Metal Working and Physical Metallurgy of Non-Ferrous Metals, Cracow, Poland, EU, Mgnielcz@agh.edu.pl
Co-authors:
KNYCH Tadeusz
MAMALA Andrzej
SMYRAK Beata
KWAŚNIEWSKI Paweł
KIESIEWICZ Grzegorz
KAWECKI Artur
JABŁOŃSKI Michał
KORZEŃ Kinga
JURKIEWICZ Bartosz
FRANCZAK Krystian
KOWAL Radosław
ZASADZIŃSKA Małgorzata
Abstract:
Observed in recent years - trends in the search for novel materials with unconventional properties arise from the constantly growing needs of the economy. An example of such a material is graphene, which in recent years has revolutionized the market and created opportunities to develop new composites based on graphene. [..]
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MOLNÁROVÁ Orsolya Charles University in Prague, Czech Republic, EU, *mopersze@gmail.com
Co-authors:
MÁLEK Přemysl
LUKÁČ František
CHRÁSKA Tomáš
CINERT Jakub
Abstract:
The microstructure and mechanical properties of a powder metallurgical Al-Zr-Ti alloy was studied. Fine powder with a typical size below 50 m was prepared by gas atomization. [..]
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FEITOSA Leandro University of Leicester, Department of Engineering, Leicester, England, United Kingdom, EU
Co-authors:
ALLEN Adam
DOUGLAS Andrew
QIAN Huan
DONG Hongbiao
Abstract:
Niobium silicide based alloys with composition Nb-18Si-24Ti-5Cr-5Al-2Mo were prepared via laser additive manufacturing and analyzed with back-scattered scanning electron microscope and energy-dispersive X-ray spectroscopy in order to evaluate the solidification sequence during freezing and the microstructure evolution during post heat treatment process. Following primary formation of Nb5Si3, and eutectic reaction L Nb5Si3 + Nbss, takes place and Nb3Si phase is suppressed, deviating from the equilibrium predictions. [..]
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