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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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PETŘKOVSKÁ Lenka VSB - Technical University of Ostrava, Faculty of Mechanical Engineering, Ostrava, Czech Republic, EU, lenka.petrkovska@vsb.cz, jana.petru@vsb.cz, jiri.kratochvil@vsb.cz, marek.sadilek@vsb.cz
Co-authors:
PETRŮ Jana
KRATOCHVÍL Jiří
SADÍLEK Marek
Abstract:
Milling of stainless steels is one of the most challenging machining processes. General aim is to achieve high productivity required surface finish and minimize costs. [..]
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KLIMECKA-TATAR Dorota Institute of Production Engineering, Czestochowa University of Technology, Poland, EU, klimt@wip.pcz.pl
Co-authors:
PAWLOWSKA Grazyna
RADOMSKA Klaudia
Abstract:
In study the effect of the of Nd-(Fe,Co)-B particles biencapsulation method on bonded magnetic material atmospheric corrosion behavior has been evaluated. Bonded magnets were prepared from Nd12Fe77Co5B6 magnetic powder after biencaspsulation. [..]
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SCHUBERT Jan Research and Testing Institute Pilsen, Pilsen, Czech Republic, EU, schubert@vzuplzen.cz
Co-authors:
SMAZALOVÁ Eva
HOUDKOVÁ Šárka
ČESÁNEK Zdeněk
PRANTNEROVÁ Michaela
Abstract:
Methodology of remelting thermally sprayed coatings is one of optional subsequent processing which is capable of sealing surface porosity without using additives like polymers. One of its main advantages is ability to further improve the mechanical and corrosion properties of thermally sprayed coatings. [..]
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SKOŁEK Emilia Warsaw University of Technology, Faculty of Materials Science and Engineering, Warsaw, Poland, EU, emilia.skolek@nanostal.eu, karolina.dudzinska@nanostal.eu, jkaminski@meil.pw.edu.pl, wieslaw.swiatnicki@nanostal.eu
Co-authors:
DUDZIŃSKA Karolina
KAMIŃSKI Janusz
ŚWIĄTNICKI Wiesław. A.
Abstract:
The subject of the study was to determine the corrosion resistance of the bearing steel 67SiMnCr6-6-4 with a nanocrystalline structure compared to those with the conventional structure of tempered martensite. In order to obtain a nanocrystalline structure one set of steel samples was subjected to heat treatment consisting on quenching and austempering at 240°C. [..]
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SMAZALOVÁ Eva University of West Bohemia, Pilsen, Czech Republic, EU, smazal@ntc.zcu.cz
Co-authors:
HOUDKOVÁ Šárka
ŠVANTNER Michal
Abstract:
In many research articles dealing with tribological characteristics of sliding couples measured by Block-on-Ring test, the discontinuous course of the test appears in order to evaluate cumulative mass loss during the test. According to the ASTM G-77-05, the wear rate is supposed to be determine after the end of the test without interrupting, by evaluation of volume loss based on the measurements of wear scars geometrical characteristics. [..]
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SZAREK Arkadiusz Czestochowska University of Technology, Faculty of Mechanical Engineering and Computer Science, Institute of Mechanical Technology, Czestochowa, Poland, EU, arek@iop.pcz.pl
Abstract:
Hydroxyapatite is a material which is widely used in medicine. As an osteoconductive material, hydroxyapatite is a source of substances which stimulate bone growth, thus inducing bone reconstruction and providing direct connection of fibrocartilage callus with HAp layer. [..]
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ATAK Oğuz Sakarya University, Department of Metallurgical and Materials Engineering, Esentepe Campus, Sakarya, Turkey, oguzatak16@gmail.com, toplano@sakarya.edu.tr, toplan@sakarya.edu.tr
Co-authors:
IÇTEN Onur
TOPLAN H. Özkan
TOPLAN Nil
Abstract:
The aim of this study is to improve wear resistance of the rasp parts which used in paper industry drying step by using thermal spraying coating techniques. Improving the wear resistance of coated rasp used in the paper industry with the development of a large part of the production process is automated, wasting paper will reduce, wear blasting damaging the paper will be blocked and frequent blasting replaced with production processes in line continuity will be provided. [..]
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YARALI ÖZBEK Yıldız Sakarya University, Department of Metallurgy and Materials Engineering, Esentepe Campus, Sakarya, Turkey, yyarali@sakarya.edu.tr, altuncu@sakarya.edu.tr, ustel@sakaraya.edu.tr
Co-authors:
ALTUNCU Ekrem
ÜSTEL F.
Abstract:
The twin-wire electrical arc spraying (TWAS) process is widely used for worn-out surface restoration. The industrial benefit of arc spray coatings is the possibility of cost-effective coating solutions to minimize surface problems. [..]
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LICHÝ Petr VSB - Technical University of Ostrava, Department of Metallurgy and Foundry Engineering, Ostrava, Czech Republic, EU
Co-authors:
BEŇO Jaroslav
KROUPOVÁ Ivana
RADKOVSKÝ Filip
KŘENEK Roman
Abstract:
The quality of cast components is largely dependent on the structure of the casting. With the achievement of optimal fine grain structure, without any internal or surface defects, it is possible to obtain sufficient mechanical properties of the casting. [..]
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KARAKULAK Erdem Department of Metallurgical and Materials Engineering, Kocaeli University, Umuttepe Campus, Kocaeli, Turkey, erdemkarakulak@kocaeli.edu.tr
Co-authors:
YAMANOĞLU Rıdvan
ZEREN Muzaffer
DÜNDAR E. Evren
Abstract:
In this study different amounts (up to 15 wt-%) of pure nickel powders were added to pure aluminium powders. The powders were mechanically mixed using a ball mill for 2 hours. [..]
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POKOVÁ Michaela Charles University in Prague, Faculty of Mathematics and Physics, Department of Physics of Materials, Prague, Czech Republic, EU, pokova@karlov.mff.cuni.cz
Co-authors:
CIESLAR Miroslav
Abstract:
Aluminium alloys belong to the most widely used alloys in industrial applications. Their mechanical properties at elevated temperatures can be enhanced by addition of small amount of zirconium. [..]
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SOLFRONK Pavel Technical University of Liberec, Liberec, Czech Republic, EU, pavel.solfronk@tul.cz
Co-authors:
SOBOTKA Jiří
KOLNEROVÁ Michaela
ZUZÁNEK Lukáš
Abstract:
According to European Parliament and Council (ES) no. 443/2009 the emissions of CO2 in personal cars exhaust gases should decrease on 95 g/km till 2020. [..]
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ZIMINA Mariia Charles University in Prague, Faculty of Mathematics and Physics, Prague, Czech Republic, EU, m.zimina@seznam.cz
Co-authors:
ZIMINA Anna
POKOVÁ Michaela
BOHLEN Jan
LETZIG Dietmar
KURZ Geritt
KNAPEK Michal
CIESLAR Miroslav
Abstract:
Weight reduction is one of the major issues in many industrial areas. New structural materials which meet the highest standards, good mechanical properties, such as strength and ductility, and thermal stability are required. [..]
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FOUSOVÁ Michaela Department of Metals and Corrosion Engineering, Institute of Chemical Technology, Prague, Prague, Czech Republic, EU, fousovam@vscht.cz
Co-authors:
ČAPEK Jaroslav
VOJTĚCH Dalibor
Abstract:
Mechanical alloying has been becoming widely used method for preparation of metallic materials. Its advantage lies in the possibility of obtaining amorphous or nanostructured material. [..]
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ČAPEK Jaroslav Department of Metals and Corrosion Engineering, Institute of Chemical Technology, Prague, Prague, Czech Republic, EU, capekj@vscht.cz
Co-authors:
VOJTĚCH Dalibor
Abstract:
In this paper we focused on the influence of sintering conditions; purity of argon atmosphere and sintering time namely, on microstructural and mechanical characteristics of porous magnesium prepared by powder metallurgy. An argon with technical purity (99.996 vol.%) and argon purified by a magnesium getter were used as the sintering atmospheres. [..]
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LIU Yuqin School of Materials Science and Technology, China University of Geosciences, Beijing, China, liuyuqin@cugb.edu.cn
Co-authors:
DENG Peng
LI Xuefeng
MA Hongwen
Abstract:
Aluminothermic reduction of magnesia under vacuum condition has been proved to be an effective way to extract magnesium from dolomite and magnesite. This thermal reduction process involves solid, liquid and vapour phases and the briquette preparation condition has a great influence on the extent of the reactions. [..]
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ČAPEK Jan Department of Physics of Materials, Faculty of Mathematics and Physics, Charles University in Prague, Prague, EU,Czech Republic, EU, jan.capek@centrum.cz, mathis@met.mff.cuni.cz, sima@met.mff.cuni.cz
Co-authors:
MÁTHIS Kristian
ŠÍMA Vladimír
Abstract:
The twinning activity and internal stress evolution in random textured polycrystalline magnesium were studied as a function of strain path changes using in-situ neutron diffraction method. The pre-deformation to different stresses in compression and tension, respectively was followed by application of load with opposite sign. [..]
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LAZAR Ramona-Mihaela „Politehnica" University of Timisoara, Timisoara, Romania, EU, ramonalazzar@gmail.com
Co-authors:
MELCIOIU Georgiana
CODREAN Cosmin
SERBAN Viorel-Aurel
CUTEAN Elena-Simona
Abstract:
In the most majority of the cases, at the electronic components soldered with tin-based alloys was noted the germination and the growth of the whiskers, which have caused damages in all areas. Given the preliminary researches, to mitigate the occurrence of defects in electronic components, has been proposed a new soldering alloy from Sn-Cu-Ag family and a new obtaining technology based on melt spinning method. [..]
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LUKÁČ František Charles University in Prague, Faculty of Mathematics and Physics, Prague, Czech Republic, EU, frantisek.lukac@mff.cuni.cz
Co-authors:
VLČEK Marián
STULÍKOVÁ Ivana
SMOLA Bohumil
KUDRNOVÁ Hana
VLACH Martin
KEKULE Tomáš
SZAKÁCS Gábor
HORT Norbert
KAINER Karl Ulrich
Abstract:
As a potential candidate for a biodegradable implant material, we designed the composition and investigated the properties of the magnesium alloy containing rare earth metals, namely yttrium and neodymium, with an addition of silver showing the evidence of antibacterial effects and promising corrosion rate in a body [2]. The as-cast Mg-2Y-1Nd-1Ag alloy exhibits hard regions of eutectics containing Y, Nd and Ag along the grain boundaries and contains also the long period stacking-ordered structure inside the Mg matrix. [..]
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VOJTĚCH Dalibor Department of Metals and Corrosion Engineering, Institute of Chemical Technology, Prague, Czech Republic, EU, Dalibor.Vojtech@vscht.cz
Co-authors:
KUBÁSEK Jiří
ČAPEK Jaroslav
POSPÍŠILOVÁ Iva
Abstract:
Biodegradable materials are developed for designing temporary medical implants, like fixation devices for fractured bones or stents. At present, polymeric biomaterials such as poly-lactic acid (PLA) are currently used in these applications. [..]
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