Study of nanostructure of experimental Ti–5Al–4V–2Zr alloy

被引：3
|
作者：
Rogozhkin S.V. [1 ,3 ]
Schastlivaya I.A. [2 ]
Leonov V.P. [2 ]
Nikitin A.A. [1 ,3 ]
Orlov N.N. [1 ]
Kozodaev M.A. [1 ,3 ]
Vasiliev A.L. [4 ]
Orekhov A.S. [4 ]
机构：
[1] Institute for Theoretical and Experimental Physics named by A.I. Alikhanov of National Research Centre “Kurchatov Institute,”, Moscow
[2] National Research Center Kurchatov Institute—Central Research Institute of Structural Materials Prometey, St. Petersburg
[3] National Research Nuclear University MEPhI, Moscow
[4] National Research Center Kurchatov Institute, Moscow
来源：
Inorganic Materials: Applied Research | 2017年 / 8卷 / 6期
关键词：
chemical composition; nanosized pre-precipitates; phase composition; radiation damage; radiation dose; titanium alloy;
D O I：
10.1134/S2075113317060119
中图分类号：
学科分类号：
摘要：
The microstructure and chemical composition of phases and inclusions in Ti–5Al–4V–2Zr alloys are studied in the initial state, after irradiation by titanium ions to radiation damage dose of ~1 dpa at 260°C, and after thermal aging at 450°C for 1000 h. Microstructural studies are carried out using scanning electron microscopy and atom probe tomography. Phase analysis is performed using energy dispersive X-ray spectroscopy. Chemical analysis of grains of the matrix phase and β-phase is presented. Spatial distribution of chemical elements in α- and β-phase lamellae is analyzed by atom probe tomography. Formation of nanosized vanadium pre-precipitates in the α-phase is observed in irradiated material. © 2017, Pleiades Publishing, Ltd.
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页码：848 / 860
页数：12
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