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Experimental Evaluation of Curl and Tensile Properties of Advanced High Strength Sheet Steels
Technical Paper
2004-01-1045
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The response of HSLA steel, 590R, and dual-phase steel, DP-600, to non-uniform deformation imposed in a laboratory Bending-Under-Tension (BUT) test apparatus was evaluated. Samples were deformed with both low and high back tension forces at bend angles of 45 and 90 degrees, and evaluated to determine the “side-wall curl”, i.e. the curvature in the sheet section in contact with the die. The results indicate that there are no consistent differences between the two steels, 590R and DP-600. It was found that back tension, tensile strength and sheet thickness were the primary factors affecting curl. The bend angle has an influence on curl, with the curl radius at a 90° bend angle being greater than the curl radius at a 45° bend angle.
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Citation
Hilditch, T., Matlock, D., Levy, B., and Siekirk, J., "Experimental Evaluation of Curl and Tensile Properties of Advanced High Strength Sheet Steels," SAE Technical Paper 2004-01-1045, 2004, https://doi.org/10.4271/2004-01-1045.Also In
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