Browse Publications Technical Papers 2006-01-1587

Analytical & Experimental Study of Component Level Crash Performance of DP 600 Steel 2006-01-1587

Advanced High Strength Steels such as Dual Phase 600 (DP600) are gaining popularity in automotive body structure applications. Given their higher strength, the efficacy of Advanced High Strength Steels for intrusion resistance applications is relatively well accepted. On the other hand, use of Advanced High Strength Steels for energy absorption applications needs to be studied and understood on a case-by-case basis.
Based on stress-strain characteristics, one would expect DP600 as a material to have better energy absorbing characteristics than conventional High Strength Steel such as HSLA350 (High Strength Low Alloy Steel) that has comparable yield strength. However, as the energy absorption at the component and system level, in addition to material properties, depends on geometry, as well as manufacturing and assembly related factors, a study was conducted to compare the component level energy absorption characteristics of DP600 and HSLA350 parts. This paper discusses analytical and test results of this study and documents the lessons learned.


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