Results from a previous study have shown that a newly developed beveled shearing process is able to improve the quality of advanced high strength steel (AHSS) sheared edges and their edge stretchability. The objective of the current study is to further investigate and validate this phenomenon and to develop robust shearing conditions for improving the AHSS sheared edge stretchability. A straight edge shearing device with the capability of adjusting the shearing variables is used in this study. Two different advanced high strength steel grades, DP600 and DP980, with similar thicknesses are selected to assess the edge condition using various shearing variables. The edge stretchability of the straight edge sheared specimen is evaluated using the sheared edge tension test and a half specimen dome test. It was discovered that an optimal selection of the die clearance and other shearing variables would result in a less damaged sheared edge which would greatly delay edge fracture in the forming process and increase the edge stretchability of AHSS.
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ASME 2012 International Manufacturing Science and Engineering Conference collocated with the 40th North American Manufacturing Research Conference and in participation with the International Conference on Tribology Materials and Processing
June 4–8, 2012
Notre Dame, Indiana, USA
Conference Sponsors:
- Manufacturing Engineering Division
ISBN:
978-0-7918-5499-0
PROCEEDINGS PAPER
Robust Shearing Process for Improving AHSS Sheared Edge Stretchability Available to Purchase
Hua-Chu Shih,
Hua-Chu Shih
United States Steel Corporation, Troy, MI
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Ming F. Shi
Ming F. Shi
United States Steel Corporation, Troy, MI
Search for other works by this author on:
Hua-Chu Shih
United States Steel Corporation, Troy, MI
Ming F. Shi
United States Steel Corporation, Troy, MI
Paper No:
MSEC2012-7318, pp. 363-369; 7 pages
Published Online:
July 19, 2013
Citation
Shih, H, & Shi, MF. "Robust Shearing Process for Improving AHSS Sheared Edge Stretchability." Proceedings of the ASME 2012 International Manufacturing Science and Engineering Conference collocated with the 40th North American Manufacturing Research Conference and in participation with the International Conference on Tribology Materials and Processing. ASME 2012 International Manufacturing Science and Engineering Conference. Notre Dame, Indiana, USA. June 4–8, 2012. pp. 363-369. ASME. https://doi.org/10.1115/MSEC2012-7318
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