Elastic–Plastic Transition in Iron: Structural and Thermodynamic Features
- Authors
- Publication Date
- Jan 01, 2009
- Source
- SAM : Science Arts et Métiers
- Keywords
- Language
- English
- License
- Green
Abstract
The structural and thermodynamic features of the elastic–plastic transition in armco iron and its plastic deformation are studied. Energy storage in iron is shown to have a nonlinear character and be accompanied by wavelike heat dissipation. To describe the energy balance in the plastically deformed metal, a theoretical model is proposed based on a statistical description of the evolution of an ensemble of typical mesodefects (microshears). Moreover, a procedure is developed to experimentally determine the dependence of the potential of the medium on the mesodefect density using infrared scanning data. / This work was supported in part by the Russian Foundation for Basic Research, project nos. 05-08- 33652, 07-08-96001, and 07-01-0-96004.
