A Phenomenological Model of Twinning Kinetics
| Autor: | Yuri Estrin, Alexei Vinogradov, Evgeny Vasilev, Dmitry Merson |
|---|---|
| Rok vydání: | 2016 |
| Předmět: |
010302 applied physics
Materials science Alloy 02 engineering and technology Mechanics Flow stress engineering.material Deformation (meteorology) 021001 nanoscience & nanotechnology Condensed Matter Physics 01 natural sciences Crystallography Acoustic emission 0103 physical sciences Volume fraction Phenomenological model Particle-size distribution engineering General Materials Science 0210 nano-technology Crystal twinning |
| Zdroj: | Advanced Engineering Materials. 19:1600092 |
| ISSN: | 1438-1656 |
| DOI: | 10.1002/adem.201600092 |
| Popis: | We present a model of deformation twinning based on the idea that twin generation is a stress-driven process. Using simple, yet sensible, assumptions regarding the grain size distribution, an equation for the variation of the twin volume fraction with the flow stress is obtained. The model is validated for the case of Mg alloy ZK60 through measurements of the evolving volume fraction of twins by means of direct video observation of the specimen surface and by monitoring the acoustic emission signals. |
| Databáze: | OpenAIRE |
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