Microstructure and mechanical properties of V-4Ti-4Cr alloy as a function of the chemical heat treatment regimes

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Microstructure and mechanical properties of V-4Ti-4Cr alloy as a function of the chemical heat treatment regimes	1 MB	Adobe Acrobat PDF	Read	Download
DOI Доступ к ресурсу на сайте издателя			10.1134/S1063778815100099

Title: Microstructure and mechanical properties of V-4Ti-4Cr alloy as a function of the chemical heat treatment regimes
Creator: Potapenko, Mikhail M.
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Drobyshev, V. A.
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Kravtsova, M. V.
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Kudryavtseva, I. E.
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Degtyarev, N. A.
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Ovchinnikov, Stanislav V.
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Tyumentsev, Alexander N.
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Ditenberg, Ivan A.
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Pinzhin, Yury P.
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Chernov, Viatcheslav M.
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Korotaev, A. D.
Date: 2015
DOI: 10.1134/S1063778815100099
Description: The regularities of the formation of a heterophase structure and mechanical properties of V–4Ti–4Cr alloy as a function of thermomechanical and chemical heat treatments are studied. The regimes of thermomechanical treatment which provide the formation of a heterophase structure with a homogeneous volume distribution of oxycarbonitride nanoparticles with a size of about 10 nm and an increase in the volume content and thermal stability of this phase and which provide an increase in the temperature of alloy recrystallization are developed. The formation of the heterophase structure results in a substantial (up to 70%) increase in the short-term high-temperature strength of the alloy at T = 800°C. The increase in the strength is achieved while keeping a rather high level of plasticity.

Created: 22-12-2016

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Сибирский физико-технический институт Microstructure and mechanical properties of V-4Ti-4Cr alloy as a function of the chemical heat treatment regimes