[1] Sumy State Univ, Appl Mat Sci & Technol Construct Mat Dept, UA-40007 Sumy, Ukraine
[2] Kielce Univ Technol, Fac Mechatron & Mech Engn, Laser Res Ctr, Al Tysiaclecia PP 7, PL-25314 Kielce, Poland
[3] Sumy Natl Agr Univ, Tech Serv Dept, H Kondratiieva Str 160, UA-40021 Sumy, Ukraine
[4] Frantsevich Inst Problems Mat Sci, Dept Phys Chem Inorgan Mat, Krzhizhanovsky Str 3, UA-03142 Kiev, Ukraine
[5] Sumy Natl Agr Univ, Project Tech Syst Dept, H Kondratiieva Str 160, UA-40021 Sumy, Ukraine