Influence of manufacturing parameters on microstructure and hydrogen sorption behavior of electron beam melted titanium Ti-6Al-4V alloy

Influence of manufacturing parameters on microstructure and hydrogen sorption behavior of electron beam melted titanium Ti-6Al-4V alloy

Bibliographic Details
Parent link:	Materials Vol. 11, iss. 5.— 2018.— [763, 12 p.]
Corporate Author:	Национальный исследовательский Томский политехнический университет Инженерная школа ядерных технологий Отделение экспериментальной физики
Other Authors:	Pushilina N. S. Natalia Sergeevna, Syrtanov M. S. Maksim Sergeevich, Kashkarov E. B. Egor Borisovich, Murashkina T. L. Tatiana Leonidovna, Kudiyarov V. N. Victor Nikolaevich, Laptev R. S. Roman Sergeevich, Lider A. M. Andrey Markovich, Koptyug A. V. Andrey Valentinovich
Summary:	Title screen Influence of manufacturing parameters (beam current from 13 to 17 mA, speed function 98 and 85) on microstructure and hydrogen sorption behavior of electron beam melted (EBM) Ti-6Al-4V parts was investigated. Optical and scanning electron microscopies as well as X-ray diffraction were used to investigate the microstructure and phase composition of EBM Ti-6Al-4V parts. The average α lath width decreases with the increase of the speed function at the fixed beam current (17 mA). Finer microstructure was formed at the beam current 17 mA and speed function 98. The hydrogenation of EBM Ti-6Al-4V parts was performed at the temperatures 500 and 650 °С at the constant pressure of 1 atm up to 0.3 wt %. The correlation between the microstructure and hydrogen sorption kinetics by EBM Ti-6Al-4V parts was demonstrated. Lower average hydrogen sorption rate at 500 °C was in the sample with coarser microstructure manufactured at the beam current 17 mA and speed function 85. The difference of hydrogen sorption kinetics between the manufactured samples at 650 °C was insignificant. The shape of the kinetics curves of hydrogen sorption indicates the phase transition [alpha]H + [beta]H->[beta]H.
Language:	English
Published:	2018
Subjects:	электронный ресурс труды учёных ТПУ electron beam melting additive manufacturing titanium Ti-6Al-4V alloy hydrogen электронно-лучевая плавка добавки титановые сплавы водород
Online Access:	https://doi.org/10.3390/ma11050763
Format:	Electronic Book Chapter
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=666736

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