Autor: |
Ozgenc Ebil, Mustafa Güden, C.-J. Yu, Ian W. Hall |
Rok vydání: |
2001 |
Předmět: |
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Zdroj: |
Journal of Materials Science. 36:5853-5860 |
ISSN: |
0022-2461 |
Popis: |
Metallic foam-filled tubes and their empty counterparts have been tested at quasi-static and dynamic strain rates in order to determine their energy absorption capabilities. Data from the Split-Hopkinson Pressure Bar have been used to generate force vs. displacement curves that are somewhat analogous to pseudo-engineering stress-strain curves. Force balance calculations have also been made. These results indicate that, on an equal weight basis, foam-filled tubes offer greater energy absorption capability than empty tubes at quasi-static strain rates. However, the benefit of foam filling does not appear to be extended to strain rates of the order of 200–500 s−1. Force balance calculations are shown to have potential as a method for monitoring the crushing of metallic foams at high strain rate. |
Databáze: |
OpenAIRE |
Externí odkaz: |
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