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CEBULSKI Janusz Silesian University of Technology, Katowice, Poland, EU, janusz.cebulski@polsl.pl; dorota.pasek@polsl.pl
Co-authors:
PASEK Dorota
DOI: https://doi.org/10.37904/metal.2019.922, 1410-1415
Abstract:
This article describes mechanical properties such as tensile strength, yield strength, impact resistance and correlation between conditions determining the breakthrough and nature Fe40Al5Cr0.2TiB alloy. The breakthroughs obtained during the tests of mechanical properties were carry out by scanning electron microscopy (SEM). [..]
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KAYEMBE Junior Ngoy Department of metallurgy, school of mining, metallurgy and chemical engineering, Faculty of Engineering and Built Environment, University of Johannesburg, P O BOX 17011, Doornfontein 2028, South Africa, jkvert@gmail.com, dnyembwe@uj.ac.za and Corresponding author: michelk@uj.ac.za
Co-authors:
WA KALENGA Michel Kalenga
NYEMBWE Didier Kasongo
DOI: https://doi.org/10.37904/metal.2019.923, 1738-1746
Abstract:
High demand in metals coupled with the depletion of metal reserves, slag has become a second source. The demand in copper remaining high while Copper mines are being lesser are lesser, any treatable copper source are targeted. [..]
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Losertová Monika VŠB - Technical University of Ostrava, Faculty of Materials Science and Technology, Ostrava, Czech Republic, EU, mlosertova@vsb.cz
Co-authors:
IJAZ Farzik M.
Drápala Jaromír
Štencek Michal
Kubeš Vojtěch
ŠKODA Jan
PETLÁK Daniel
KONEČNÁ Kateřina
DOI: https://doi.org/10.37904/metal.2019.924, 1498-1503
Abstract:
The β titanium alloys are promising candidates for biocompatible implant applications because of their low Young modulus when compared to (α + β) titanium alloys. In this study three β titanium alloys Ti-12Mo-6Zr, Ti-8Mo-6Zr-2Ta-2Sn and Ti-8Mo-6Zr-2Ta-4Sn (in at%) were prepared by plasma metallurgy method. [..]
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Simon Natanael University Politehnica Timişoara, no. 2 P-ta Victoriei, Timişoara, Romania, EU, natanael.simon@upt.ro, ion.mitelea@upt.ro, corneliu.craciunescu@upt.ro
Co-authors:
Karancsi Olimpiu
Mitelea Ion
Crăciunescu Corneliu Marius
DOI: https://doi.org/10.37904/metal.2019.925, 1690-1694
Abstract:
The TIG welding process is well known for its advantages and exclusivity when it comes to weld materials such as Titanium, Magnesium, Aluminium, etc. which requires special conditions, therefore in this experiment we use TIG welding procedure to join two materials to two different base materials: Cu-(FM) on ferritic stainless steel-(BM); Mg-(FM) on Copper-(BM). [..]
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WA KALENGA Michel Kalenga Department of metallurgy, School of mining, metallurgy and chemical engineering, Faculty of Engineering and Built Environment, University of Johannesburg, South Africa; michelk@uj.ac.za
DOI: https://doi.org/10.37904/metal.2019.926, 1747-1753
Abstract:
As primary resources become more and more complex in their chemical composition and some places poor in their valuable metals in the ore secondary sources like slag phases from the production processes get in the focus of the metal industry. Currently about 70% of copper slag remains is ineffectively utilized. [..]
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DYČKOVÁ Lucie Brno University of Technology, Central European Institute of Technology, Brno, Czech Republic, EU, lucie.dyckova@ceitec.vutbr.cz, mariano.casasluna@ceitec.vutbr.cz, jorgealberto.torresrodriguez@ceitec.vutbr.cz, martin.dycka@ceitec.vutbr.cz, david.jech@ceitec.vutbr.cz, ladislav.celko@ceitec.vutbr.cz
Co-authors:
CASAS LUNA Mariano
TORRES RODRÍGUEZ Jorge Alberto
DYČKA Martin
JECH David
DVOŘÁK Karel
DEÁK Andrea
ČELKO Ladislav
DOI: https://doi.org/10.37904/metal.2019.927, 1463-1469
Abstract:
High energy ball milling is a powder processing method in which the powder particle size can be decreased to micrometer size in a relatively short period of time. This method is based on the friction and the high energy kinetic collisions between the balls and the trapped powder particles. [..]
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DYČKA Martin Brno University of Technology, Central European Institute of Technology, Brno, Czech Republic, EU, martin.dycka@ceitec.vutbr.cz, lucie.dyckova@ceitec.vutbr.cz, pavel.gejdos@ceitec.vutbr.cz, martin.julis@ceitec.vutbr.cz
Co-authors:
DYČKOVÁ Lucie
GEJDOŠ Pavel
JULIŠ Martin
DOI: https://doi.org/10.37904/metal.2019.928, 1457-1462
Abstract:
In this article, the microstructure of AZ91C magnesium alloy castings produced by investment casting was investigated. Castings were studied in as-cast state and after T4 and T6 heat treatment. [..]
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SLÍVA Aleš VSB - Technical University of Ostrava, Ostrava, Czech Republic, EU, ales.sliva@vsb.cz
Co-authors:
DRÁPALA Jaromír
BRÁZDA Robert
DOI: https://doi.org/10.37904/metal.2019.929, 1695-1701
Abstract:
The paper deals with an experience with innovation process of a technical solution of apparatus for processing metals of loose nature tending to air oxidation, especially alkaline earth metals. The aim of this technical solution is to design a device facilitating the process of treating rare earth metals in a way that would prevent their air oxidation and thus facilitate their handling in the next technological process. [..]
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KITTNER Kristina Technische Universität Bergakademie Freiberg, Institute of Metal Forming, Freiberg, Germany, EU, Madlen.Ullmann@imf.tu-freiberg.de
Co-authors:
ullmann Madlen
Henseler Thorsten
Prahl Ulrich
Kawalla Rudolf
DOI: https://doi.org/10.37904/metal.2019.930, 1528-1534
Abstract:
The recrystallization behaviour of a twin roll cast ZAX210 alloy has been investigated under deformation conditions equivalent to the hot rolling process of magnesium strip. A set of strain levels, beginning at the critical strain for the onset of dynamic recrystallization has been studied. [..]
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POLOZOV Igor Peter the Great St, Petersburg Polytechnic University, St. Petersburg, Russian Federation polozov_ia@spbstu.ru
Co-authors:
RAZUMOV Nikolay
MAKHMUTOV Tagir
POPOVICH Anatoliy
DOI: https://doi.org/10.37904/metal.2019.931, 1658-1662
Abstract:
The microstructural and phase evolution of the powders at different times of milling and after treatment in the flow of the thermal plasma were studied. The X-Ray Diffraction and Scanning Electron Microscopy studies showed that increasing milling time up to 12 h improves chemical homogeneity of the powders and promotes the formation of B2/β-phase solid solution, while at shorter milling times the powders consist of a highly inhomogeneous layered structure with HPC- and BCC-crystal structures. [..]
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GONCHAROV Ivan Peter the Great St. Petersburg Polytechnic University, Russia, 9670522@mail.ru
Co-authors:
RAZUMOV Nikolay
BORISOV Evgenii
SILIN Aleksey
POPOVICH Anatoly
DOI: https://doi.org/10.37904/metal.2019.932, 1481-1485
Abstract:
The powder of Nb-25Ti-2Cr-2Al-16Si (at%) was obtained by mechanical alloying and plasma spheroidization from elemental powders. The building was performed by SLM 280HL machine on the titanium substrate. [..]
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POLOZOV Igor Peter the Great St, Petersburg Polytechnic University, St. Petersburg, Russian Federation polozov_ia@spbstu.ru
Co-authors:
SUFIIAROV Vadim
KANTYUKOV Artem
POPOVICH Anatoliy
DOI: https://doi.org/10.37904/metal.2019.933, 1511-1516
Abstract:
Ti-22Al-25Nb orthorhombic alloy is considered to be an advanced intermetallic alloy for high-temperature applications. In this paper, the effects of Hot Isostatic Pressure (HIP), homogenizing annealing and aging in different phase regions on microstructure and microhardness of the Ti-22Al-25Nb alloy obtained from elemental powders by Selective Laser Melting (SLM) were studied. [..]
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POLOZOV Igor Peter the Great St, Petersburg Polytechnic University, St. Petersburg, Russian Federation polozov_ia@spbstu.ru
Co-authors:
MAKHMUTOV Tagir
RAZUMOV Nikolay
KIM Artem
OZERSKOI Nikolay
POPOVICH Anatoliy
DOI: https://doi.org/10.37904/metal.2019.934, 1523-1527
Abstract:
In this paper, Ti-48Al-2Cr-2Nb (at. %) gamma-based alloy spherical powders were prepared by mechanical alloying of elemental powders and plasma spheroidization. [..]
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GOUVEA Larissa A. Brno University of Technology, Faculty of Mechanical Engineering, Institute of Materials Science and Engineering, NETME centre, Brno, Czech Republic, EU, gouvea@fme.vutbr.cz
Co-authors:
KOVACOVA Zuzana
JAN Vit
SPOTZ Zdenek
KITZMANTEL Michael
NEUBAUER Erich
DLOUHY Ivo
DOI: https://doi.org/10.37904/metal.2019.935, 1486-1491
Abstract:
The present work is focused on the synthesis and mechanical properties evaluation of non-equiatomic Hf0.5Nb0.5Ta0.5Ti1.5Zr Refractory High-Entropy Alloy (RHEA). For the alloy production, a combination of mechanical alloying (MA) process in a planetary ball mill and hot pressing (HP) for powder densification was utilized. [..]
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KRIŠTOFOVÁ Patrícia UCT - University of Chemistry and Technology, Prague, Czech Republic, EU, Patricia.Kristofova@vscht.cz
Co-authors:
KUBÁSEK Jiří
ROUDNICKÁ Michaela
MICHALCOVÁ Alena
SUCHÝ Jan
PALOUŠEK David
VOJTĚCH Dalibor
DOI: https://doi.org/10.37904/metal.2019.936, 1578-1582
Abstract:
The experiment described in this article deals with the comparison of structures and mechanical properties of the Mg-4Y-3RE-0.5Zr (WE43) magnesium alloy produced by three different methods. A technique of additive manufacturing, selective laser melting (SLM), is compared with two conventional manufacturing techniques, casting and extrusion. [..]
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LISIŃSKA Magdalena Silesian University of Technology, Katowice, Poland, EU, magdalena.lisinska@polsl.pl
Co-authors:
SATERNUS Mariola
BROŽOVÁ Silvie
DOI: https://doi.org/10.37904/metal.2019.937, 1600-1606
Abstract:
For several years, continuous technological progress has been observed, resulting in a constantly growing number of e-waste. The diversified composition of e-waste causes the emergence of a large amount of hazardous waste, which is a threat to both health and life of people, as well as the environment. [..]
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GONCHAROV Ivan Peter the Great St. Petersburg Polytechnic University, Russia, 9670522@mail.ru
Co-authors:
HISAMOVA Liliya
SAUBANOVA Liana
RAZUMOV Nikolay
POLOZOV Igor
POPOVICH Anatoly
DOI: https://doi.org/10.37904/metal.2019.938, 1476-1480
Abstract:
The Nb-Si in-situ composite was synthesized by binder jetting additive manufacturing technology. The Nb powder was used as the raw material. [..]
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DRÁPALA Jaromír VSB - Technical University of Ostrava, Ostrava, Czech Republic, EU, Jaromir.Drapala@vsb.cz
Co-authors:
VESELÝ Marek
KOSTIUKOVÁ Gabriela
LOSERTOVÁ Monika
PETLÁK Daniel
DOI: https://doi.org/10.37904/metal.2019.939, 1436-1444
Abstract:
Literary research of high-temperature materials, overview of used materials. Molybdenum and its alloys, properties, possibilities of the application in the vacuum technique, electrotechnics and electronics. [..]
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Veverková Eliška Charles University, Department of Physics of Materials, Prague, Czech Republic, EU, ve.eliska@gmail.com, knapek@karlov.mff.cuni.cz, peter.minarik@mff.cuni.cz
Co-authors:
KNAPEK Michal
MINÁRIK Peter
DOI: https://doi.org/10.37904/metal.2019.940, 1732-1737
Abstract:
In this study, we investigated the effect of aluminum content and precipitation on the corrosion behavior of the AZ31 and AZ80 magnesium alloys. The investigated alloys were received in the as-extruded condition in order to retain comparable grain size and texture. [..]
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PATRONOV Georgi University of Plovdiv “Paisii Hilendarski”, Department of Chemical Technology, Plovdiv, Bulgaria, EU, patron@uni-plovdiv.bg
Co-authors:
KOSTOVA Irena
TONCHEV Dan
DOI: https://doi.org/10.37904/metal.2019.941, 1646-1651
Abstract:
The focus of present research is on the behaviour of rare earth metals as dopants in zinc oxide rich borophosphate glasses. Attention is turned on the influence of Sm, Eu, Gd and Nd on the structure and optical properties of these new materials. [..]
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