Surface Modification of the EBM Ti-6Al-4V Alloy by Pulsed Ion Beam; Metals; Vol. 11, iss. 3

Surface Modification of the EBM Ti-6Al-4V Alloy by Pulsed Ion Beam; Metals; Vol. 11, iss. 3

Bibliographic Details
Parent link:	Metals Vol. 11, iss. 3.— 2021.— [512, 12 p.]
Corporate Author:	Национальный исследовательский Томский политехнический университет Инженерная школа ядерных технологий Отделение экспериментальной физики
Other Authors:	Pushilina N. S. Natalia Sergeevna, Stepanova E. N. Ekaterina Nikolaevna, Stepanov A. V. Andrey Vladimirovich, Syrtanov M. S. Maksim Sergeevich
Summary:	Title screen The effect of surface modification of Ti-6Al-4V samples manufactured by electron beam melting (EBM) using a pulsed carbon ion beam is studied in the present work. Based on the results of XRD, SEM, and TEM analysis, patterns of changes in the microstructure and phase composition of the EBM Ti-6Al-4V alloy, depending on the number of pulses of pulsed ion beam exposure, are revealed. It was found that gradient microstructure is formed as a result of pulsed ion beam irradiation of the EBM Ti-6Al-4V samples. The microstructure of the surface layer up to 300 nm thick is represented by the (? + ?”) phase. At depths of 0.3 ?m, the microstructure is mixed and contains alpha-phase plates and needle-shaped martensite. The mechanical properties were investigated using methods of uniaxial tensile tests, micro- and nanohardness measurements, and tribological tests. It was shown that surface modification by a pulsed ion beam at an energy density of 1.92 J/cm2 and five pulses leads to an increase in the micro- and nanohardness of the surface layers, a decrease in the wear rate, and a slight rise in the plasticity of EBM Ti-6Al-4V alloy.
Language:	English
Published:	2021
Subjects:	электронный ресурс труды учёных ТПУ additive manufacturing electron beam melting titanium alloy pulsed ion beam phase transformation mechanical properties электронно-лучевая плавка титановые сплавы ионные пучки
Online Access:	https://doi.org/10.3390/met11030512
Format:	Electronic Book Chapter
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=664308

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