Open Access
Structural and phase changes under electropulse treatment of fatigue-loaded titanium alloy VT1-0
Sergey V. Konovalov
1, 2
,
Irina Komissarova
2, 3
,
Yurii P. Ivanov
4
,
V.E. Kormyshev
5
,
Dmitry Kosinov
1
Тип публикации: Journal Article
Дата публикации: 2019-01-01
scimago Q1
wos Q1
БС1
SJR: 1.318
CiteScore: 9.5
Impact factor: 6.6
ISSN: 22387854, 22140697
Metals and Alloys
Surfaces, Coatings and Films
Ceramics and Composites
Biomaterials
Краткое описание
The effect of electropulse treatment (EPT) of titanium alloy VT1-0 on the change of its fatigue life, structure and phase composition has been investigated. The study has shown that EPT improves the fatigue life by 1.3 times. Methods of TEM were used to analyze changes of the structure and phase composition of samples subjected to EPT and endurance testing. In the process of fatigue tests involving cantilever bending, a grain and sub-grain structure is formed in the surface of commercially pure titanium. The study has disclosed that the surface layer of the material has a multi-phase structure. Nano-crystal grains are formed by α-titanium. Oxide phase of titanium has been revealed, which is located along the crystallite boundaries of α-titanium. Particles of oxide phase have been identified exclusively in the top nano-structured layer. In the rest of the sample there are no particles of this phase. EPT causes dimensional changes of oxide phase particles and many-fold dimensional changes of crystallites in the surface layer. Owing to this treatment there are less internal stress concentrators in the surface layer of the material, which results, therefore, in cut down on probable spots of crack origination.
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Konovalov S. V. et al. Structural and phase changes under electropulse treatment of fatigue-loaded titanium alloy VT1-0 // Journal of Materials Research and Technology. 2019. Vol. 8. No. 1. pp. 1300-1307.
ГОСТ со всеми авторами (до 50)
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Konovalov S. V., Komissarova I., Ivanov Y. P., Kormyshev V., Kosinov D. Structural and phase changes under electropulse treatment of fatigue-loaded titanium alloy VT1-0 // Journal of Materials Research and Technology. 2019. Vol. 8. No. 1. pp. 1300-1307.
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TY - JOUR
DO - 10.1016/j.jmrt.2018.09.008
UR - https://linkinghub.elsevier.com/retrieve/pii/S2238785418305611
TI - Structural and phase changes under electropulse treatment of fatigue-loaded titanium alloy VT1-0
T2 - Journal of Materials Research and Technology
AU - Konovalov, Sergey V.
AU - Komissarova, Irina
AU - Ivanov, Yurii P.
AU - Kormyshev, V.E.
AU - Kosinov, Dmitry
PY - 2019
DA - 2019/01/01
PB - Elsevier
SP - 1300-1307
IS - 1
VL - 8
SN - 2238-7854
SN - 2214-0697
ER -
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@article{2019_Konovalov,
author = {Sergey V. Konovalov and Irina Komissarova and Yurii P. Ivanov and V.E. Kormyshev and Dmitry Kosinov},
title = {Structural and phase changes under electropulse treatment of fatigue-loaded titanium alloy VT1-0},
journal = {Journal of Materials Research and Technology},
year = {2019},
volume = {8},
publisher = {Elsevier},
month = {jan},
url = {https://linkinghub.elsevier.com/retrieve/pii/S2238785418305611},
number = {1},
pages = {1300--1307},
doi = {10.1016/j.jmrt.2018.09.008}
}
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MLA
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Konovalov, Sergey V., et al. “Structural and phase changes under electropulse treatment of fatigue-loaded titanium alloy VT1-0.” Journal of Materials Research and Technology, vol. 8, no. 1, Jan. 2019, pp. 1300-1307. https://linkinghub.elsevier.com/retrieve/pii/S2238785418305611.
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