[1] Bialystok Tech Univ, Fac Mech Engn, 45c Wiejska St, PL-15351 Bialystok, Poland
[2] Bialystok Tech Univ, Fac Elect Engn, 45d Wiejska St, PL-15351 Bialystok, Poland
[3] AGH Univ Sci & Technol, Fac Mat Sci & Ceram, 30 Mickiewicza Av, PL-30059 Krakow, Poland