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 | |
| Publication status | Published - 1 May 2008 |
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
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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