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

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Metal Science and Heat Treatment Aims and scope

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.

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Notes

  1. For convenience specimens are given treated by regimes 2A and 2B labelled specimen 2A and 2B respectively.

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Experimental research was conducted on equipment of the Center for Collective Usage of Scientific Equipment “Composition, structure and properties of structural and functional materials” NITs Kurchatov Institute – TsNII KM Prometei with financial support of an agreement No. 14.595.21.004, unique identifier RFMEF159517X0004.

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Authors and Affiliations

  1. “Central Research Institute of Structural Materials “Prometey” Named by I. V. Gorynin of the National Research Center “Kurchatov Institute” (FGUP TsNII KM “Prometey”), St. Petersburg, Russia

    S. N. Petrov, N. F. Drozdova, M. L. Fedoseev, M. S. Mikhailov & E. V. Svyatysheva

  2. Peter the Great St. Petersburg Polytechnic University, St Petersburg, Russia

    S. N. Petrov & E. V. Svyatysheva

  3. Joint Nuclear Research Institute, Dubna, Moscow Region, Russia

    A. Kh. Islamov

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  1. S. N. Petrov
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  2. N. F. Drozdova
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  3. M. L. Fedoseev
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  4. M. S. Mikhailov
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  5. E. V. Svyatysheva
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  6. A. Kh. Islamov
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Correspondence to S. N. Petrov.

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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 1, pp. 93 – 101, January, 2020.

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Petrov, S.N., Drozdova, N.F., Fedoseev, M.L. et al. Investigation of Nanometer- and Submicron-Size Dispersed Phases in Titanium Pseudo- β -Alloys using Scattering and Diffraction of Neutrons, Electrons, and X-Ray Radiation. Met Sci Heat Treat 62, 95–102 (2020). https://doi.org/10.1007/s11041-020-00519-y

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  • DOI: https://doi.org/10.1007/s11041-020-00519-y

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