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Structure of Quenched Ti–Ru Alloys

  • Structure, Phase Transformations, and Diffusion
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Abstract

Quenched titanium–ruthenium alloys containing 0.25–4 at % ruthenium have been studied using X-ray diffraction analysis, optical metallography, transmission electron microscopy, and microhardness measurements. It has been found that, during the quenching of the alloys containing 0.25, 0.5, and 1 at % ruthenium, a polymorphic β → α transformation occurs with the formation of a two-phase (α + β) structure. In Ti–1.5 at % Ru and Ti–2 at % Ru alloys, a martensitic β → α″ transformation occurs. The quenched Ti–3 at % Ru alloy has a β + ω structure. The complete stabilization of the β phase takes place in the alloy with 4 at % ruthenium. In the electron-diffraction patterns of alloy containing 4 at % ruthenium, diffuse scattering that indicates the formation of ω-phase-related displacements in the locations of atoms has been observed.

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Authors and Affiliations

  1. Institute of Metal Physics, Ural Branch, Russian Academy of Sciences, Ekaterinburg, 620108, Russia

    A. V. Dobromyslov & N. I. Taluts

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  1. A. V. Dobromyslov
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  2. N. I. Taluts
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Correspondence to A. V. Dobromyslov.

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Original Russian Text © A.V. Dobromyslov, N.I. Taluts, 2018, published in Fizika Metallov i Metallovedenie, 2018, Vol. 119, No. 3, pp. 285–295.

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Dobromyslov, A.V., Taluts, N.I. Structure of Quenched Ti–Ru Alloys. Phys. Metals Metallogr. 119, 272–281 (2018). https://doi.org/10.1134/S0031918X18030043

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  • DOI: https://doi.org/10.1134/S0031918X18030043

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