Grain-size effect on the properties of materials under dynamic deformation
| Autor: | M. P. Bondar |
|---|---|
| Rok vydání: | 2008 |
| Předmět: |
Materials science
General Chemical Engineering Metallurgy General Physics and Astronomy Energy Engineering and Power Technology General Chemistry Slip (materials science) Strain rate Microstructure Critical value Grain size Fuel Technology Deformation mechanism Composite material Material properties Grain boundary strengthening |
| Zdroj: | Combustion, Explosion, and Shock Waves. 44:365-369 |
| ISSN: | 1573-8345 0010-5082 |
| DOI: | 10.1007/s10573-008-0045-6 |
| Popis: | Some deformation features in fine-grained copper under gradient dynamic stresses are studied which provide a better understanding of the mechanism of the processes involved. The experimentally observed abrupt change in the properties of materials with grain sizes smaller than a certain critical value is shown to be related to intergranular slip during deformation. Materials with a grain size of 5–50 µm are found to exhibit properties characteristic of nanomaterials with a strain rate varying from 104 to 3 · 106 sec−1. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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