Effects of new materials on the crashworthiness of S-rails
Weight reduction and economy in the use of material and resources, are among the most important goals of auto-body designers. In order to reduce car's weight without impairment of crashworthiness, a method of the S-rail's material replacement from mild steel to high-strength steel, like tr...
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| Veröffentlicht in: | Proceedings of the Institution of Mechanical Engineers. Part L, Journal of materials, design and applications Journal of materials, design and applications, 2008-01, Vol.222 (1), p.37-44 |
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| container_title | Proceedings of the Institution of Mechanical Engineers. Part L, Journal of materials, design and applications |
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| creator | Hosseini-Tehrani, P Asadi, E |
| description | Weight reduction and economy in the use of material and resources, are among the most important goals of auto-body designers. In order to reduce car's weight without impairment of crashworthiness, a method of the S-rail's material replacement from mild steel to high-strength steel, like transformation-induced plasticity (TRIP) or dual phase steel (DP) is brought forward. These materials improve crash performance due to their great work hardening during the forming compared with high strength low alloy (HSLA) or complex phase steel. In the current paper, energy absorption and reaction force of S-rails that are made of these new materials considering forming history are studied and an optimum design for improving crash performance of the S-rail using trigger is proposed. The explicit finite-element code LS-DYNA3D is used to simulate the forming process and crash behaviour of S-rails. |
| doi_str_mv | 10.1243/14644207JMDA165 |
| format | Article |
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In order to reduce car's weight without impairment of crashworthiness, a method of the S-rail's material replacement from mild steel to high-strength steel, like transformation-induced plasticity (TRIP) or dual phase steel (DP) is brought forward. These materials improve crash performance due to their great work hardening during the forming compared with high strength low alloy (HSLA) or complex phase steel. In the current paper, energy absorption and reaction force of S-rails that are made of these new materials considering forming history are studied and an optimum design for improving crash performance of the S-rail using trigger is proposed. 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| identifier | ISSN: 1464-4207 |
| ispartof | Proceedings of the Institution of Mechanical Engineers. Part L, Journal of materials, design and applications, 2008-01, Vol.222 (1), p.37-44 |
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| source | SAGE Publications |
| subjects | Automotive parts Deformation Design Ductility Energy efficiency Experiments Finite element analysis High strength steel Load Metal forming Precipitation hardening Simulation Steel Strain hardening Studies Yield stress |
| title | Effects of new materials on the crashworthiness of S-rails |
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