| FRACTURE PROPERTIES OF ALUMINUM FOAM CRASH BOX |
| M. S. HAN1, B. S. MIN2, J. U. CHO3 |
1Keimyung University
2Mirae Corporation
3Kongju National University |
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| ABSTRACT |
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This study investigates the compression property experiment to examine impact absorption when aluminum foam is applied to crash box in order to absorb impact energy in car crash with low speed. The result of compression property experiment shows that case 6, which involves the buckling that collapses into 5-layer structure, is the best model with regard to impact absorption. This study analyzes impact characteristics according to the structure of crash box which influences such factors as damage and safety of vehicles. As the simulation result can be agreed with experimental graph, all experimental data at this study are verified. These experimental results can be applied into real field effectively. It also proposes the effective design to improve impact performance by analyzing the property of crash box through its compressive test. |
| Key Words:
Compression property, Aluminum foam, Crash box, Layer structure, Safety |
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