Influence of beam current on microstructure of electron beam melted Ti-6Al-4V alloy; Progress in Natural Science: Materials International; Vol. 29, iss. 4

Influence of beam current on microstructure of electron beam melted Ti-6Al-4V alloy; Progress in Natural Science: Materials International; Vol. 29, iss. 4

Dettagli Bibliografici
Parent link:	Progress in Natural Science: Materials International Vol. 29, iss. 4.— 2019.— [P. 440-446]
Ente Autore:	Национальный исследовательский Томский политехнический университет Инженерная школа ядерных технологий Отделение экспериментальной физики
Altri autori:	Laptev R. S. Roman Sergeevich, Pushilina N. S. Natalia Sergeevna, Kashkarov E. B. Egor Borisovich, Syrtanov M. S. Maksim Sergeevich, Stepanova E. N. Ekaterina Nikolaevna, Koptyug A. V. Andrey Valentinovich, Lider A. M. Andrey Markovich
Riassunto:	Title screen The defect microstructure of the samples manufactured from Ti-6Al-4V powder was studied using electron beam melting (EBM) in the beam current range of 17 - 13 mA. The hybrid digital complex combined positron lifetime spectroscopy and coincidence Doppler broadening spectroscopy was used to characterize the defect structure of the materials. The microstructure and defects were also analyzed by transmission electron microscopy. It has been established that the main type of the defects in the EBM manufactured samples is dislocations. According to the conducted measurements and calculations, the dislocation density in the EBM manufactured samples exceeds by two orders the similar value for the cast Ti-6Al-4Valloy. Formation of Ti-Ti-Al nanoscale clusters has been found in the EBM manufactured samples.
Lingua:	inglese
Pubblicazione:	2019
Soggetti:	электронный ресурс труды учёных ТПУ titanium alloy additive technology electron beam melting positron spectroscopy defects transmission electron microscopy титановые сплавы аддитивные технологии позитронная спектроскопия дефекты электронная микроскопия
Accesso online:	http://earchive.tpu.ru/handle/11683/57262 https://doi.org/10.1016/j.pnsc.2019.04.011
Natura:	MixedMaterials Elettronico Capitolo di libro
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=661269

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