<p class="zkltext">Beata BALLOKOVA, Institute of Materials Research, Slovak Academy of Sciences, Kosice, Slovakia</p><p class="zkltext">Silvie BROŽOVÁ, VŠB – Technical University of Ostrava, Ostrava, Czech Repuplic</p><p class="zkltext">Štefan BOVA, Military unit 7945, Rožňava, Slovakia</p><p class="zkltext">Branislav BUĽKO, Faculty of Metallurgy, Technical University of Kosice, Slovakia</p><p class="zkltext">Ladislav CENIGA, Institute of Materials Research, Slovak Academy of Sciences, Kosice, Slovakia</p><p class="zkltext">Radek ČADA, VŠB – Technical University of Ostrava, Czech Repuplic</p><p class="zkltext">Elena ČIZMAROVÁ, Czech Technical University in Prague, Czech Repuplic</p><p class="zkltext">Numan DURAKBASA, Vienna University of Technology, Austria</p><p class="zkltext">Emil EVIN, Faculty of Mechanical Engineering, Technical University of Kosice, Slovakia</p><p class="zkltext">Ladislav FALAT, Institute of Materials Research, Slovak Academy of Sciences, Kosice, Slovakia</p><p class="zkltext">Anna GUZANOVÁ, Faculty of Mechanical Engineering, Technical University of Kosice, Slovakia</p><p class="zkltext">Noé CHEUNG, University of Campinas, Brazil</p><p class="zkltext">Maria HAGAROVA, Faculty of Metallurgy, Technical University of Kosice, Slovakia</p><p class="zkltext">Ingrid HAGAROVA, Comenius University in Bratislava, Slovakia</p><p class="zkltext">Maria HEŽELOVÁ, Faculty of Metallurgy, Technical University of Kosice, Slovakia</p><p class="zkltext">Shamsul Baharin JAMALUDIN, Universiti Malaysia Perlis, Perlis, Malaysia</p><p class="zkltext">Dagmar JAKUBÉCZYOVÁ, Institute of Materials Research, Slovak Academy of Sciences, Kosice, Slovakia</p><p class="zkltext">Simona JURSOVÁ, VŠB – Technical University of Ostrava, Czech Repuplic</p><p class="zkltext">Lubos KAŠČÁK, Faculty of Mechanical Engineering, Technical University of Kosice, Slovakia</p><p class="zkltext">Monika KAŠIAROVÁ, Institute of Materials Research, Slovak Academy of Sciences, Kosice, Slovakia</p><p class="zkltext">Róbert KOČIŠKO, Faculty of Metallurgy, Technical University of Kosice, Slovakia</p><p class="zkltext">Andrea KOVAČOVÁ, Faculty of Metallurgy, Technical University of Kosice, Slovakia</p><p class="zkltext">Stanisław KUT, Faculty of Mechanical Engineering and Aeronautics, Rzeszow University of Technology</p><p class="zkltext">Andrea MIŠKUFOVÁ, Faculty of Metallurgy, Technical University of Kosice, Slovakia</p><p class="zkltext">Tamas MADARASZ, University of Miskolc, Hungary</p><p class="zkltext">Sarka MSALLAMOVA, University of Chemistry and Technology, Prague, Czech Repuplic</p><p class="zkltext">Rudolf PERNIS, Faculty of Special Technology, Alexander Dubcek University of Trencin, Slovakia</p><p class="zkltext">Martina PETRANIKOVA, Chalmers University of Technology, Sweden</p><p class="zkltext">Miroslav PÍŠKA, Brno University of Technology, Czech Repuplic</p><p class="zkltext">Beatrice PLEŠINGEROVÁ, Faculty of Metallurgy, Technical University of Kosice, Slovakia</p><p class="zkltext">Jan SLOTA, Faculty of Mechanical Engineering, Technical University of Kosice, Slovakia</p><p class="zkltext">Feliks STACHOWICZ, Faculty of Mechanical Engineering and Aeronautics, Rzeszow University of Technology</p><p class="zkltext">Jan STOULIL, University of Chemistry and Technology, Prague, Czech Repuplic</p><p class="zkltext">Andrzej TRYTEK, Politechnika Rzeszowska, Rzeszow, Poland</p>