Abstract
The results of the study of the pulsed plasma-immersion ion implantation of titanium in steel Cr18Ni10Ti depending on the time (dose) implantation are presented. It is shown that the change of the element and the phase composition of the surface layers and their microscopic characteristics and mechanical properties (hardness, wear resistance) depending on the implantation time is not monotonic, but follows to a certain rule. The possibility of interpretation of the obtained results in the thermal spike concept of the generation on the surface by the stable (magic) clusters is discussed. This concept follows logically from the recent studies on the plasma arc composition and from a polyatomic clusters-surface interaction.
Highlights
The plasma-immersion implantation is a comparatively new method of the properties modifying of the near surface layers of solids, is widely used recent times
Plasma immersion implantation at the 1 10 keV energies of implanting ions is realized from metal plasma arc, when the implanted metals uses as the cathode of the arc discharge source
The purpose of the work was to study the microstructure, the distribution of elements and phases formed in the surface layers of the modified material depending on the dose of implanted ions and the study of the mechanical properties obtained by implantation of surface layers
Summary
The plasma-immersion implantation is a comparatively new method of the properties modifying of the near surface layers of solids, is widely used recent times It is connected with the modification of the physical, chemical and mechanical properties of the surface layers, formation new compounds including intermetallic compounds (obtaining and study of which is constitute the separate wide sector in the chemistry and metallurgy) [1 3]. All this is very important for many areas of modern technologies (from micro- and nano-electronics to metallurgy) [4]. The purpose of the work was to study the microstructure, the distribution of elements and phases formed in the surface layers of the modified material depending on the dose of implanted ions and the study of the mechanical properties obtained by implantation of surface layers
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