Investigation of Nanometer- and Submicron-Size Dispersed Phases in Titanium Pseudo- β -Alloys using Scattering and Diffraction of Neutrons, Electrons, and X-Ray Radiation

The size and volume fraction of fine particles of secondary β -phase formed during hardening heat treatment of pseudo-β-titanium alloy VT22 are determined using low-angle scattering of neutrons, x-ray diffractometry, electron back-scatter diffraction, and transmission microscopy combined with x-ray...

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Bibliographic Details
Published in:Metal science and heat treatment 2020-05, Vol.62 (1-2), p.95-102
Main Authors: Petrov, S. N., Drozdova, N. F., Fedoseev, M. L., Mikhailov, M. S., Svyatysheva, E. V., Islamov, A. Kh
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Classical Mechanics
Engineering Thermodynamics
Hardening
Heat and Mass Transfer
Heat treatment
Low temperature
Materials Science
Metallic Materials
Neutrons
Particle physics
Phase decomposition
Scattering
Titanium alloys
Titanium base alloys
X ray spectra
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Summary:The size and volume fraction of fine particles of secondary β -phase formed during hardening heat treatment of pseudo-β-titanium alloy VT22 are determined using low-angle scattering of neutrons, x-ray diffractometry, electron back-scatter diffraction, and transmission microscopy combined with x-ray spectral microanalysis. Based on comprehensive use of experimental data obtained by methods of different restriction levels analysis is conducted for the size, shape, elemental composition, and volume content of fine particles obtained after different versions of hardening heat treatment. Activation of β -phase decomposition energy due to low-temperature aging is determined.
ISSN:0026-0673
1573-8973
DOI:10.1007/s11041-020-00519-y