Abstract
In this research, the concentration-depth profiles reached by titanium and nitrogen particles, on the surface of AISI/SAE 1020 carbon steel substrates, by using of ion implantation technique, are studied. The ions are surface deposited by means of high voltage pulsed discharges and electric arc discharge under high vacuum conditions. The concentration and position distribution of the metallic and non-metallic species are obtained by simulation of the interaction of ions with the matter, stopping and ranges of ions in the matter, by the computer program transport of ions in matter. The implantation dose is calculated from the discharge data and the previously established study parameters in this work. From the simulation results, the depth profiles demonstrated that titanium and nitrogen ions may reach up to 300 Å and 600 Å and concentrations of 1.478 x 1016 ions⁄cm2 and 2.127 x 1016 ions⁄cm2, respectively. The formation of titanium microdroplets upon the surface of the substrates is identified from the micrographs obtained by the scanning electron microscopy technique; furthermore, the presence of titanium and nitrogen implanted on the surface of the substrate is verified through the elemental composition analysis by the energy dispersive spectroscopy, validating the effect of ion implantation on ferrous alloys.
Highlights
The surface modification by ion implantation technologies via plasma is an alternative method to improve the physicochemical properties of metallic materials such as surface hardness, wear and corrosion resistance
The results obtained from the model implemented to estimate the density of metallic and non-metallic implanted ions on an AISI/SAE 1020 carbon steel, are in agreement with those doses reported by other authors in the literature [17]–[23]
The values of the dose calculations implanted with Ti and the hybrid treatment Ti + N are shown in the table 1
Summary
The surface modification by ion implantation technologies via plasma is an alternative method to improve the physicochemical properties of metallic materials such as surface hardness, wear and corrosion resistance. Ion beam implantation (IBI), ion implantation by immersion in plasma (PIII) and ion implantation by plasma source (PSII) are some of the plasma-techniques broadly studied in the development of the science and engineering of the surface of materials [1]–[6]. Such an enhancement of the physical and chemical properties in metallic materials is due to advances in processes, procedures, equipment among other technological factors involved in the development and manufacture of new materials. The purpose of the present work is by implementing this software package, to study the concentration-depth profiles of the titanium (Ti) and nitrogen (N) ions in the AISI/SAE 1020 steel, from the previously established parameters in the experimental process and support these findings by microscopic and spectroscopic characterization
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