Open AccessIon-plasma modification of surface of ultrafine-grained titanium alloys: effect of substrate on coating properties
Author(s) -
R. Z. Valiev,
Iuliia M. Modina,
Yu.M. Dyblenko,
Irina P. Semenova
Publication year - 2021
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/1178/1/012062
Subject(s) - materials science , swaging , coating , hardening (computing) , titanium , severe plastic deformation , metallurgy , pressing , titanium alloy , substrate (aquarium) , plasma , surface modification , alloy , surface engineering , composite material , chemical engineering , layer (electronics) , oceanography , physics , quantum mechanics , engineering , geology
This article is focused on research of properties of vacuum-plasma coatings Ti+TiVN and V+TiVN applied to the surface of titanium alloys Ti-6Al-4V and VT8M-1(rus.) (Ti-5.7Al-3.8Mo-1.2Zr-1.3Sn) in ultrafine-grained (UFG) states obtained by two different severe plastic deformation (SPD) techniques-equal-channel angular pressing (ECAP) and rotary swaging (RS). The influence of substrate UFG structure on coatings service properties improvement has been established. It was demonstrated that complex hardening of titanium alloy including formation of bulk UFG structure and applying vacuum-plasma protective coating to the surface significantly increases resistance to erosive wear of the latter in comparison with the substrate having the initial coarse-grained structure.