S. S., Arsad and A., Ayob and Z., Ahmad and A., Abdul-Latif and M. N., Tamin and N., Kamsah and S. N. S. S., Noh (2011) Deformation response of steel sheet metal under transverse impact loading. In: Regional Conference On Automotive Research (Recar) 2011.
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Abstract
Steel sheet metals used as body panels and trims of an automobile are often subjected to lateral loading. In the event of a crash, the panel will likely experience impact loads in the range where strain-rate effects are significant. This study examines deformation response of the sheet metal subjected to transverse impact loading using combined finite element (FE) method and drop weight impact test. Johnson-Cook constitutive model parameters for the 0.045C (wt. %) cold-rolled steel used are extracted from tensile test data of the sheet metal specimens at straining rates ranging from 0.001/sec to 0.1/sec. Results show that the calculated amount of plastic work or energy of 78 % is dissipated within the short dynamic plastic deformation process of 0.001 s. Predicted dynamic response of the sheet metal compares well with measured data.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Uncontrolled Keywords: | High strain rate, Impact test, Johnson-Cook model, Plastic work, Transverse load |
| Subjects: | T Technology > TJ Mechanical engineering and machinery |
| Divisions: | Mechanical Engineering |
| ID Code: | 45718 |
| Deposited By: | Haliza Zainal |
| Deposited On: | 10 Jun 2015 03:01 |
| Last Modified: | 30 Aug 2017 07:29 |
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