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Phase Transformations, Strength, and Modulus of Elasticity of Ti–15Mo Alloy Obtained by High-Pressure Torsion. / Gatina, S. A.; Semenova, I. P.; Ubyyvovk, E. V.; Valiev, R. Z.

In: Inorganic Materials: Applied Research, Vol. 9, No. 1, 01.01.2018, p. 14-20.

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@article{61c025e38d5a4e38b9a358c82b6d40ac,
title = "Phase Transformations, Strength, and Modulus of Elasticity of Ti–15Mo Alloy Obtained by High-Pressure Torsion",
abstract = "This paper is devoted to structure formation and phase transformations in the metastable Ti–15Mo β alloy during high-pressure torsion at room temperature. Transmission electron microscopy and X-ray diffraction analysis show that grain refinement takes place together with a β ↔ ω phase transformation and a nonmonotonic change in the volume fraction of the ω phase when the true strain is increased. The effect of the ω phase on the strength and the elastic properties of the alloy is considered. It is shown that nanostructure formation with a minimum amount of the ω phase is responsible for the marked hardening of the Ti–15Mo alloy while retaining its relatively low elastic modulus.",
keywords = "elastic modulus, nanostructure, phase transformations, severe plastic deformation, titanium alloy",
author = "Gatina, {S. A.} and Semenova, {I. P.} and Ubyyvovk, {E. V.} and Valiev, {R. Z.}",
year = "2018",
month = jan,
day = "1",
doi = "10.1134/S2075113318010136",
language = "English",
volume = "9",
pages = "14--20",
journal = "Inorganic Materials: Applied Research",
issn = "2075-1133",
publisher = "МАИК {"}Наука/Интерпериодика{"}",
number = "1",

}

RIS

TY - JOUR

T1 - Phase Transformations, Strength, and Modulus of Elasticity of Ti–15Mo Alloy Obtained by High-Pressure Torsion

AU - Gatina, S. A.

AU - Semenova, I. P.

AU - Ubyyvovk, E. V.

AU - Valiev, R. Z.

PY - 2018/1/1

Y1 - 2018/1/1

N2 - This paper is devoted to structure formation and phase transformations in the metastable Ti–15Mo β alloy during high-pressure torsion at room temperature. Transmission electron microscopy and X-ray diffraction analysis show that grain refinement takes place together with a β ↔ ω phase transformation and a nonmonotonic change in the volume fraction of the ω phase when the true strain is increased. The effect of the ω phase on the strength and the elastic properties of the alloy is considered. It is shown that nanostructure formation with a minimum amount of the ω phase is responsible for the marked hardening of the Ti–15Mo alloy while retaining its relatively low elastic modulus.

AB - This paper is devoted to structure formation and phase transformations in the metastable Ti–15Mo β alloy during high-pressure torsion at room temperature. Transmission electron microscopy and X-ray diffraction analysis show that grain refinement takes place together with a β ↔ ω phase transformation and a nonmonotonic change in the volume fraction of the ω phase when the true strain is increased. The effect of the ω phase on the strength and the elastic properties of the alloy is considered. It is shown that nanostructure formation with a minimum amount of the ω phase is responsible for the marked hardening of the Ti–15Mo alloy while retaining its relatively low elastic modulus.

KW - elastic modulus

KW - nanostructure

KW - phase transformations

KW - severe plastic deformation

KW - titanium alloy

UR - http://www.scopus.com/inward/record.url?scp=85042643777&partnerID=8YFLogxK

UR - https://link.springer.com/article/10.1134/S2075113318010136

U2 - 10.1134/S2075113318010136

DO - 10.1134/S2075113318010136

M3 - Article

AN - SCOPUS:85042643777

VL - 9

SP - 14

EP - 20

JO - Inorganic Materials: Applied Research

JF - Inorganic Materials: Applied Research

SN - 2075-1133

IS - 1

ER -

ID: 28361654