Abstract
The plastic deformation process of submicrocrystalline titanium has been investigated. Using speckle-photography and X-ray diffractometry techniques, the local strain distributions and elastic lattice distortions for the work part of the specimen surface have been examined. It is established that in the sample at the prefracture stage a site of localized deformation is formed where the plastic distortion tensor components have maximal values. The elastic lattice distortions occurring on the site boundaries will also achieve maximal values; however, within the site the same values are found to decrease. Moreover, a reduction in the size of blocks occurs within the area of localized plasticity zone.
Highlights
The plastic deformation process of submicrocrystalline titanium has been investigated
The elastic lattice distortions occurring on the site boundaries will achieve maximal values; within the site the same values are found to decrease
A reduction in the size of blocks occurs within the area of localized plasticity zone
Summary
The plastic deformation process of submicrocrystalline titanium has been investigated. Установлено, что на стадии предразрушения в образце формируется очаг локализации деформации, где значения компонент тензора дисторсии максимальны. В очаге локализации деформации происходит измельчение блоков-кристаллитов. Ключевые слова: субмикрокристаллический титан, локализация деформации, автоволны локализации, упругие искажения, блочная структура.
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