IMPROVEMENT OF TRIBOLOGICAL PROPERTIES OF ELECTRIC ARC SPRAYED COATINGS BY LASER SURFACE MODIFICATION

B. Wielage, A. Wank, H. Pokhmurska , W. Kalita, V. Dovhunyk , M. Student 1 Institute of Composite Materials, Chemnitz University of Technology, 09107 Chemnitz, Germany, tel: +49 371 531 5356, hanna.pokhmurska@mbv.tu-chemnitz.de Institute of Fundamental Technological Research, Polish Academy of Sciences; Swietokrzyska Str. 21, 00-049 Warszawa, Poland, tel: +48 826 1281, wkalita@ippt.gov.pl Physico-Mechanical Institute of National Academy of Sciences of Ukraine, 5 Naukova St., 79053 Lviv, Ukraine, tel/fax: +380 322 63 15 77, dovhunyk@imp.lviv.ua