Effect of the Lattice Curvature of Ti-6Al-4V Titanium Alloy on Their Fatigue Life and Fracture Toughness; Physical Mesomechanics; Vol. 23, iss. 5

Effect of the Lattice Curvature of Ti-6Al-4V Titanium Alloy on Their Fatigue Life and Fracture Toughness; Physical Mesomechanics; Vol. 23, iss. 5

Бібліографічні деталі
Parent link:	Physical Mesomechanics Vol. 23, iss. 5.— 2020.— [P. 369-375]
Співавтор:	Национальный исследовательский Томский политехнический университет Инженерная школа ядерных технологий Отделение экспериментальной физики
Інші автори:	Panin V. E. Viktor Evgenyevich, Ovechkin B. B. Boris Borisovich, Hairullin (Khayrullin) R. R. Rustam Ravilievich, Lider A. M. Andrey Markovich, Bordulev Yu. S. Yuri Sergeevich, Panin A. V. Alexey Viktorovich, Perevalova O. B. Olga Borisovna, Vlasov I. V. Ilya Viktorovich
Резюме:	Title screen The effect of hydrogen charging, ultrasonic treatment, and hydrogen charging after ultrasonic treatment on the fatigue life of VT6 alloy is investigated. Ultrasonic treatment causes the formation of a continuous nonetching ?2(Ti3Al) layer within the surface layer, which reduces the fatigue life. Below this layer there are bands of the ?2(Ti3Al) phase which, on the contrary, increase the fatigue life. These two effects together give a 1.3-fold increase in the fatigue life of the alloy. A catastrophic decrease in hydrogen charging after ultrasonic treatment is explained by the formation of regions of short-range displacements with a bcc lattice similar to the ? phase. As a result of radial shear rolling, a martensitic phase with very high strength is formed in the alloy. Its formation is predicted by positron annihilation spectroscopy and is detected by transmission electron microscopy. The high stability of the martensitic phase contributes to the lower fracture toughness of the alloy processed by radial shear rolling. Режим доступа: по договору с организацией-держателем ресурса
Мова:	Англійська
Опубліковано:	2020
Предмети:	труды учёных ТПУ электронный ресурс lattice curvature ultrasonic treatment hydrogen charging radial shear rolling martensitic phase fracture toughness кривизна ультразвуковая обработка мартенситная фаза трещиностойкость
Онлайн доступ:	https://doi.org/10.1134/S102995992005001X
Формат:	Електронний ресурс Частина з книги
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=663722

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