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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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DEPCZYŃSKI Wojciech Kielce University of Technology, Kielce, Poland, EU, wdep@tu.kielce.pl
Abstract:
The aim of the experiment was to study the technique of production of porous metal foams by reduction of metal oxides during sintering. The foams were produced by powder metallurgy. [..]
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DUŠKA Jaroslav U. S. Steel Košice, s.r.o, Research USSE, Košice, Slovakia, EU, jduska@sk.uss.com, jmerc@sk.uss.com, amaslejova@sk.uss.com
Co-authors:
MERC Jaroslav
MAŠLEJOVÁ Alica
Abstract:
Report deals with the occurrence of copper and copper oxides in the Heating Plant heat-transfer circuit, particularly in the steam-water system of high pressure steam boilers. Boilers produce high-pressure superheated steam, which is used for cogeneration of heat and electricity. [..]
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FANN Kuang-Jau National Chung Hsing University, Taichung,ġTaiwan, kjfann@nchu.edu.tw
Co-authors:
PENG Li-Han
Abstract:
Lightweight is one of methods for low-carbon design. Based on the lightweight applications potential of metal composite bulks and on the fact that the interface between metals is externally visible currently, this study aims to investigate the feasibility to create core-shell type metal composite bulks. [..]
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FARKAS Gergely Department of Physics of Materials, Charles University, Prague, Czech Republic, EU, farkasgr@gmail.com
Co-authors:
MATHIS Kristian
SZÁRAZ Zoltan
ZDRAŽILOVA Zuzana
Abstract:
In this study magnesium based composite AX41 reinforced with short Al2O3 fibers were investigated. In-situ neutron diffraction has been applied to study deformation mechanisms under compressive deformation. [..]
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GOLUBEV Iurii St. Petersburg State Polytechnical University, St. Petersburg, Russian Federation
Co-authors:
NAUMOV Anton
MICHAILOV Vesselin
Abstract:
The purpose of this research was development of the model for temperature field analysis under friction stir welding. Mathematical asymmetric heat source model was studied, its’ capability in comparison with experimental results was proved. [..]
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HANUSOVÁ Petra Brno University of Technology, Faculty of Mechanical Engineering, Institute of Material Science and Engineering, NETME centre, Brno, Czech Republic, EU, hanusova@fme.vutbr.cz
Co-authors:
NOVÁK Pavel
Abstract:
Aluminium alloys are frequently used structural materials. Their properties can be affected by manufacturing method. [..]
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HODJAOGLU Gyunver Rostislaw Kaischew Institute of Physical Chemistry, Bulgarian Academy of Sciences, Sofia, Bulgaria, EU, gyunver@ipc.bas.bg
Co-authors:
IVANOV Ivan
Abstract:
In this study were investigated the surface morphology, chemical content and phase composition of two sorts
of copper cakes from zinc plant of KCM-Plovdiv, Bulgaria. The aim of this research is the utilization of valuable
copper from copper cakes and reduction the amounts of the specific secondary wastes from hydrometallurgy
plants. [..]
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IPEK Mediha Sakarya University, Engineering Faculty, Department of Metallurgy and Materials Engineering, Esentepe Campus, Sakarya, Turkey, mipek@sakarya.edu.tr
Abstract:
In this study, Cu - 1.5 wt.% Cr - 0.5 wt.% Zr alloy was prepared by powder metallurgy (PM) method. Cu-Cr-Zr
powders were pressed under 390 MPa uniaxial compression and sintered at 1000 °C for 2h. [..]
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KATZ Valery SCE - Shamoon College of Engineering, Beer-Sheva, Israel, elidad@012.net.il
Co-authors:
MAZOR Gedalya
Abstract:
The following article is a continuation of research that examines the problem of utilization of phosphorus-containing sludge that is produced in the phosphorus industry. Using models for coagulation and coalescence of the sludge, both within its hydraulic mix and following sedimentation in a ribbon mixer apparatus, very important parameters were identified. [..]
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KEJZLAR Pavel Technical University of Liberec, Liberec, Czech Republic, EU, pavel.kejzlar@tul.cz
Co-authors:
HOTAŘ Adam
Abstract:
iron aluminides are known for their excellent oxidation and corrosion resistance. If they are exposed to hostile
environment, a protective Al2O3 layer creates on its surface. [..]
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KEKULE Tomáš Charles University in Prague, Faculty of Mathematics and Physics, Prague, Czech Republic, EU, tomas.kekule@mff.cuni.cz
Co-authors:
STULÍKOVÁ Ivana
SMOLA Bohumil
VLACH Martin
KUDRNOVÁ Hana
ČÍŽEK Jakub
MELIKHOVA Oksana
Abstract:
Annealing at ambient temperature connected with a substantial degree of strengthening (natural ageing) is well known and investigated in Al-based alloys. Clustering of solute atoms at room temperature proven by atom probe tomography is believed to be assisted by vacancies quenched in material from high annealing temperature. [..]
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KOÇ Funda Gül Department of Metallurgical and Materials Engineering, Kocaeli University, Umuttepe Campus, Kocaeli, Turkey, funda.demircan@kocaeli.edu.tr
Co-authors:
KARAKULAK Erdem
YAMANOĞLU Rıdvan
ZEREN Muzaffer
Abstract:
In this study Al-Ni alloys with nickel contents between 1-5 wt-% were cast. Microstructures of the specimens were investigated under optical microscope and scanning electron microscope. [..]
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KODETOVÁ Veronika Charles University in Prague, Faculty of Mathematics and Physics, Prague, Czech Republic, EU, veronika.kodetova@seznam.cz
Co-authors:
VLACH Martin
STULÍKOVÁ Ivana
SMOLA Bohumil
HORNÁT Bohumil
KEKULE Tomáš
Abstract:
The MgYNdScMn alloy was squeeze-cast under a protective atmosphere. Precipitation reactions were studied
by differential scanning calorimetry. [..]
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CHOLEWA Mirosław Faculty of Mechanical Engineering, Department of Foundry, Silesian University of Technology, Gliwice, Poland, EU, lukasz.kozakiewicz@polsl.pl
Co-authors:
KOZAKIEWICZ Łukasz
Abstract:
In the article the results of testing the moulding sand based on alumino-silicate microspheres matrix with organic binder were presented. Developed moulding sand, which application is seen in the role of moulding or/and core, is supposed to be used for the implementation of thin-walled casting, which examples are so-called skeletal castings (3D), characterized by a small thickness of wall and strongly developed heat transfer surface in the process of crystallization. [..]
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KROUPOVÁ Ivana VSB-Technical University of Ostrava, Faculty of Metallurgy and Materials Engineering, Department of Metallurgy and Foundry, Ostrava, Czech Republic, EU
Co-authors:
BEDNÁŘOVÁ Vlasta
LICHÝ Petr
RADKOVSKÝ Filip
Abstract:
Since the discovery of porous metallic materials numerous methods of production have been developed. Porous metallic materials can be made from liquid metal, from powdered metal, metal vapours, or from metal ions. [..]
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KURSA Miroslav VSB-TU Ostrava, Ostrava-Poruba, Czech Republic, EU, miroslav.kursa@vsb.cz
Co-authors:
MENUSHENKOV Vladimir P.
KOLCHUGINA Natalia B.
LUKIN A.A.
KOSHKID’KO Yurij S.
SKOTNICOVÁ Kateřina
ČEGAN Tomáš
Abstract:
Sintered Nd-Fe-B permanent magnets with a medium coercive force were fabricated using a strip-casting alloy
prepared at the VSB-TU Ostrava. Powders prepared by hydrogen decrepitation and subsequent milling were
compacted in a magnetic field and sintered at T = 1340 K (for 2 h). [..]
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MALCHARCZIKOVÁ Jitka SB - Technical University of Ostrava, Faculty of Metallurgy and Materials Engineering, Department of Non-ferrous Metals, Refining Processes and Materials Recycling, Ostrava, Czech Republic, EU, jitka.malcharczikova@vsb.cz, miroslav.kursa@vsb.cz, martin.pohludka@vsb.cz
Co-authors:
MICHENKA Vít
POHLUDKA Martin
KURSA Miroslav
KAŇÁK David
Abstract:
Samples of Ni3Al based alloys with hypo-stoichiometric composition Ni-24Al and Ni-22Al were directionally
solidified at rates of 50 and 70 mm/h. The directionally solidified samples were used for creep tests at 900 °C.
Testing was performed under a load of 200 MPa in an argon atmosphere. [..]
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MAREK Ivo Institute of Chemical Technology Prague, Prague, Czech Republic, EU, ivo.marek@vscht.cz
Co-authors:
MICHALCOVÁ Alena
VOJTĚCH Dalibor
Abstract:
Metallic nanoparticles are considered as very prospective material due to unique properties and wide range of possible applications. In this work, our attention was focused on preparation of silver nanoparticles by selective leaching of aluminium matrix under various conditions. [..]
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MSALLAMOVÁ Šárka Institute of Chemical Technology Prague, Department of Metals and Corrosion Engineering, Prague, Czech Republic, EU, msallams@vscht.cz
Co-authors:
JINDROVÁ Eliška
URBÁNEK Štěpán
Abstract:
The most common allotropic modification of tin is white tin (β tin), which is thermodynamically stable from 13.2 °C to 161 °C. The allotropic modification grey tin (α tin) is thermodynamically stable below 13.2 °C. [..]
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PÁLENÍKOVÁ Lucie Brno University of Technology, Faculty of Mechanical Engineering, Institute of Materials science and Engineering, The NETME Centre, Brno, Czech Republic, EU, jan@fme.vutbr.cz
Co-authors:
JAN Vít
ČUPERA Jan
ČÍŽEK Jan
Abstract:
Examined FeAl deposits were produced by low-pressure cold spray technique using heated air (300 °C, 15 bar) as working gas. Although metal powders were mixed in ratio 60/40 at% Fe/Al, the final chemical composition of the 8-10 mm thick deposits changed strongly favouring aluminium (approximately 80 at% Al).
Samples consisting of the deposited material were annealed isothermally in argon protective atmosphere. [..]
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