Abstract
The paper analyzes the Cr-B film structure formed via argon plasma-assisted deposition on pretreated 12Cr18Ni10Ti stainless steel using the COMPLEX electron-ion-plasma setup (IHCE SB RAS, Russia, Tomsk). The analysis shows that after simultaneous deposition of chromium and boron, the Cr-B film represents a multilayer structure consisting of alternating amorphous boron and nanocrystalline chromium boride layers. At a total film thickness of 1 &mu;m, the thickness of its amorphous and nanocrystalline layers measures 2.0-7.0 and 2.0-2.5 nm, respectively. The steel layer adjacent to the film contains Fe<sub>2</sub>B nanoparticles. Their presence in the steel is due to its preliminary electron beam irradiation and boriding. The micro-hardness of the Cr-B film is 29.0 GPa (standard deviation 4.1 GPa), and its Young's modulus is 200 GPa.
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