Plastic macrodeformation of polycrystalline and submicrocrystalline titanium for biomedical applications

I. O. Bolotina, V. I. Danilov, A. A. Zagumennyi

Division for Electronic Engineering

Research output: Contribution to journal › Article

Abstract

The deformation behavior of commercially pure submicrocrystalline and coarse-grained titanium was studied at the macroscopic level. Stress-strain curves of the materials were analyzed. Time-space distributions of local strains were studied at all stages of strain hardening using speckle interferometry. The life time of test specimens of the materials and the coordinates of the fracture region were calculated theoretically and confirmed experimentally. The motion of the zones of localized plasticity was studied. The prefracture stage was shown to involve "condensation" of the zones of localized plasticity and migration of deformation to the fracture neck.

Original language	English
Pages (from-to)	484-490
Number of pages	7
Journal	Journal of Applied Mechanics and Technical Physics
Volume	49
Issue number	3
DOIs	https://doi.org/10.1007/s10808-008-0065-8
Publication status	Published - 1 May 2008

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Keywords

Fracture
Kinetics of zones of localized plasticity
Plastic deformation
Strain localization
Submicrocrystalline and polycrystalline titanium

ASJC Scopus subject areas

Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

Cite this

Bolotina, I. O., Danilov, V. I., & Zagumennyi, A. A. (2008). Plastic macrodeformation of polycrystalline and submicrocrystalline titanium for biomedical applications. Journal of Applied Mechanics and Technical Physics, 49(3), 484-490. https://doi.org/10.1007/s10808-008-0065-8

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AU - Zagumennyi, A. A.

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N2 - The deformation behavior of commercially pure submicrocrystalline and coarse-grained titanium was studied at the macroscopic level. Stress-strain curves of the materials were analyzed. Time-space distributions of local strains were studied at all stages of strain hardening using speckle interferometry. The life time of test specimens of the materials and the coordinates of the fracture region were calculated theoretically and confirmed experimentally. The motion of the zones of localized plasticity was studied. The prefracture stage was shown to involve "condensation" of the zones of localized plasticity and migration of deformation to the fracture neck.

AB - The deformation behavior of commercially pure submicrocrystalline and coarse-grained titanium was studied at the macroscopic level. Stress-strain curves of the materials were analyzed. Time-space distributions of local strains were studied at all stages of strain hardening using speckle interferometry. The life time of test specimens of the materials and the coordinates of the fracture region were calculated theoretically and confirmed experimentally. The motion of the zones of localized plasticity was studied. The prefracture stage was shown to involve "condensation" of the zones of localized plasticity and migration of deformation to the fracture neck.

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KW - Plastic deformation

KW - Strain localization

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Access to Document

10.1007/s10808-008-0065-8