The Effect of Microstructure and Phase Composition of Ti-6Al-4V Titanium Alloy Hardened Surface Layer on Its Mechanical Properties / E. Sinyakova [et al.]

Уровень набора: (RuTPU)RU\TPU\network\4816, AIP Conference ProceedingsАльтернативный автор-лицо: Sinyakova, E., Elena;Panin, A. V., physicist, Professor of Tomsk Polytechnic University, doctor of physical and mathematical Sciences, 1971-, Alexey Viktorovich;Perevalova, O., Olga;Kalashnikov, M. P., physicist, Engineer of Tomsk Polytechnic University, Mark PetrovichКоллективный автор (вторичный): Национальный исследовательский Томский политехнический университет, Инженерная школа ядерных технологий, Отделение экспериментальной физикиЯзык: английский.Резюме или реферат: The microstructure, phase composition of Ti-6Al-4V alloy specimens subjected to ultrasonic impact treatment and scanning electron beam treatment as well as their deformation behavior under uniaxial tension were investigated. After the ultrasonic impact treatment nanocrystalline [alpha]-grains in the surface layer was found. Scanning electron beam treatment leads to formation of acicular [alpha]-phase in the primary [beta]-phase grains. Dislocation glide, twinning and shear banding mechanisms were revealed in scanning electron beam treated Ti-6Al-4V titanium alloy specimens under tension. Formation of nanocrystalline [alpha]-phase in the surface layer was due to the strong localization of plastic deformation from the beginning of loading..Примечания о наличии в документе библиографии/указателя: [References: 12 tit.].Аудитория: .Тематика: электронный ресурс | труды учёных ТПУ | микроструктуры | фазовый состав | поверхностные слои | титановые сплавы | механические свойства | ультразвуковая обработка | электронные пучки | пластические деформации Ресурсы он-лайн:Щелкните здесь для доступа в онлайн
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[References: 12 tit.]

The microstructure, phase composition of Ti-6Al-4V alloy specimens subjected to ultrasonic impact treatment and scanning electron beam treatment as well as their deformation behavior under uniaxial tension were investigated. After the ultrasonic impact treatment nanocrystalline [alpha]-grains in the surface layer was found. Scanning electron beam treatment leads to formation of acicular [alpha]-phase in the primary [beta]-phase grains. Dislocation glide, twinning and shear banding mechanisms were revealed in scanning electron beam treated Ti-6Al-4V titanium alloy specimens under tension. Formation of nanocrystalline [alpha]-phase in the surface layer was due to the strong localization of plastic deformation from the beginning of loading.

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