TY JOUR TI STRENGTH PROPERTIES INVESTIGATION OF COMPOSITE COATINGS WITH QUASI-CRYSTALS OBTAINED THROUGH METHODS OF GAS DYNAMIC SPUTTERING KW quasi-crystals KW coatings KW cohesion strength JO Bulletin of Bryansk state technical university AU Sil'chenko, O.B. AU Siluyanova, M.V. AU Hopin, P.N. PY 2020 IS 2020 PB Bryansk State Technical University