Abstract
Using methods of modern material science the structure-phase states and tribology properties of coating surfaced on martensite low carbon Hardox 450 steel by powder Fe-C-Ni-B wire and modified by following electron-beam treatment are studied. It is shown that electron-beam treatment of layer leads to the formation of multiphase state with the main phases: α-phase, iron boride FeB, boron carbide B4C. The surfaced structure formed by intensive electron beam irradiation is characterized by high value of wear resistance. It is in 20 times more that wear resistance of steel and in 11 times more than wear resistance of surfaced layer without of electron beam treatment, friction coefficient decreased in 3.5 and 2.2 times, correspondently.
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