1 | Department "Quality, standardization, certification and manufacturing technology of products" Ukrainian State University of Railway Transport Square Feyerbach 7, Kharkov, 61010, Ukraine |
2 | Bakul Institute for Superhard Materials, National Academy of Sciences of Ukraine 2, Avtozavodskaya Str., Kiev, 04074, Ukraine |
3 | Faculty of Mechanical Engineering, Kazimierz Pulaski University of Technology and Humanities in Radom ul. 54 Stasieckiego, 26-600 Radom, Poland |