Mass Efficient Cross-Sections Using Dual Phase Steels For Axial and Bending Crushes 2007-01-0978
Because of their excellent crash energy absorption capacity, dual phase (DP) steels are gradually replacing conventional High Strength Low Alloy (HSLA) steels for critical crash components in order to meet the more stringent vehicle crash safety regulations. To achieve optimal axial and bending crush performance using DP steels for crash components designed for crash energy absorption and/or intrusion resistance applications, the cross sections need to be optimized. Correlated crush simulation models were employed for the cross-section study. The models were developed using non-linear finite element code LS-DYNA and correlated to dynamic and quasi-static axial and bending crush tests on hexagonal and octagonal cross-sections made of DP590 steel. Several design concepts were proposed, the axial and bending crush performance in DP780 and DP980 were compared, and the potential mass savings were discussed.
Citation: Chen, G., Shi, M., and Tyan, T., "Mass Efficient Cross-Sections Using Dual Phase Steels For Axial and Bending Crushes," SAE Technical Paper 2007-01-0978, 2007, https://doi.org/10.4271/2007-01-0978. Download Citation
Author(s):
Guofei Chen, Ming F. Shi, Tau Tyan
Affiliated:
United States Steel Corporation, Ford Motor Company
Pages: 11
Event:
SAE World Congress & Exhibition
ISSN:
0148-7191
e-ISSN:
2688-3627
Also in:
Modeling, Testing and Design of Materials for Dummies and Structures for Crash Safety Applications-SP-2095
Related Topics:
Steel
Alloys
Crashes
Drag
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