$In-situ X-ray diffraction study of hydrogen-induced phase transformation in wire-feed electron-beam additive manufactured Ti-6Al-4V alloy$

In-situ X-ray diffraction study of hydrogen-induced phase transformation in wire-feed electron-beam additive manufactured Ti-6Al-4V alloy

Dettagli Bibliografici
Parent link:	Journal of Alloys and Compounds.— .— Amsterdam: Elsevier Science Publishing Company Inc. Vol. 1045.— 2025.— Article number 184584, 9 p.
Altri autori:	Kamelina K. D. Kristina Dmitrievna, Panin A. V. Alexey Viktorovich, Syrtanov M. S. Maksim Sergeevich, Kashkarov E. B. Egor Borisovich
Riassunto:	In situ X-ray diffraction studies of Ti-6Al-4V titanium alloy samples obtained by casting and wire electron beam additive manufacturing (EBAM) are carried out during heating to 450°C and subsequent gas-phase hydrogenation. A different behavior of decreasing the residual stresses, micro-distortions, and increasing the lattice parameters of the α- and β-phases of the cast and EBAM samples demonstrates during heating to 450 °C. The hydrogen content in the cast sample hydrogenated at 450 °C for 55 min does not exceed 0.03 wt%, whereas it reaches 3.4 wt% in the EBAM sample under the same conditions. The XRD establishes that the following phase transformations occur in the process of hydrogenation of the EBAM Ti-6Al-4V sample: α+ β → α+ β+ α" → α+ β+ α"+ort → β+ α''+ort → β +ort+cub → β+cub, where ort is TiH0.71, cub is TiH2. Transmission electron microscopy shows the regularities of hydride phase formation in hydrogenated EBAM sample Текстовый файл AM_Agreement
Lingua:	inglese
Pubblicazione:	2025
Soggetti:	Electron beam additive manufacturing Ti-6Al-4V titanium alloy Titanium hydride Transmission electron microscopy In situ XRD труды учёных ТПУ электронный ресурс
Accesso online:	https://doi.org/10.1016/j.jallcom.2025.184584
Natura:	Elettronico Capitolo di libro
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=683314

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