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- Title
Localization of Plastic Strain under Shock-Wave Loading of Titanium Alloy with a Crack.
- Authors
Petrov, A. I.; Razuvaeva, M. V.
- Abstract
The effect of shock-wave loading with an amplitude of 4 GPa and a duration of 10μs on the localization of plastic flow and the dynamic fracture of VT-1 cast titanium alloy containing a disk-shaped crack is considered. It is found that the crack size decreases in the direction of shock wave propagation, the dislocation density grows and adiabatic shear bands appear near the crack, and secondary cracks originate in the areas of localized flow near the crack edges. The strain, strain rate, dislocation density, rate of dislocation generation, and dislocation velocity near and away from the healing crack are estimated.
- Subjects
TITANIUM alloys; STRAIN hardening; DISLOCATIONS in crystals
- Publication
Technical Physics, 2003, Vol 48, Issue 6, p714
- ISSN
1063-7842
- Publication type
Article
- DOI
10.1134/1.1583823