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Investigations on the flanging characteristics of advanced high-strength sheet metals with different sheared edge quality

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Abstract

Advanced high-strength steel (AHSS) sheets are developed and applied to automotive parts to enable lightweight and crash safety. Edge crack of AHSS sheets during stretch forming is a typical problem demanding prompt solution. In this work, five AHSS sheets are sheared by laser and a designed blanking test tooling under different clearances and shear angles. Six sheared surfaces with different quality are obtained. Then, micro analyses are performed to investigate the influences of blanking process parameters on the sheared edge quality. Crack and internal voids occur near the junction between burnish zone and fracture zone as well as on fracture zone during blanking. Moreover, a flanging forming test platform based on Digital Image Correlation (DIC) technology is used to evaluate the flanging formability with different edge quality. The maximum edge crack strain (ECS) can be achieved with a blanking clearance range as of 10~13.1% thickness and under flat blade. Based on the observations of the sheared surface damage and flanging fracture morphology, the mechanism of edge cracking during the flanging forming is revealed. The present work is helpful in evaluating sheared edge quality and predicting edge crack through stretch flanging forming simulation, which can promote the industrial application of AHSS sheets.

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References

  1. Ma MT, Yi HL (2011) Lightweight car body and application of high strength steels. In: Weng Y, Dong H, Gan Y (eds) Advanced steels: the recent scenario in steel science and technology. Springer, Berlin, Heidelberg, pp 187–198. https://doi.org/10.1007/978-3-642-17665-4_20

    Chapter  Google Scholar 

  2. Chang Y, Han S, Li XD, Wang CY, Zheng GJ, Dong H (2018) Effect of shearing clearance on formability of sheared edge of the third generation automotive medium-Mn steel with metastable austenite. J Mater Process Technol 259:216–227. https://doi.org/10.1016/j.jmatprotec.2018.04.038

    Article  Google Scholar 

  3. Sheng ZD, Altenbach C, Prahl U, Zander D, Bleck W (2019) Effect of cutting method on hydrogen embrittlement of high-Mn TWIP steel. Mater Sci Eng A 744:10–20. https://doi.org/10.1016/j.msea.2018.11.128

    Article  Google Scholar 

  4. Nakagawa Y, Mori K-i, Maeno T, Umemiya R (2019) Delayed cracking in hot stamping with hot trimming for ultra-high strength steel components. Int J Adv Manuf Technol 105:5081–5090. https://doi.org/10.1007/s00170-019-04599-w

    Article  Google Scholar 

  5. Choi HS, Kim BM, Ko DC (2014) Effect of clearance and inclined angle on sheared edge and tool failure in trimming of DP980 sheet. J Mech Sci Technol 28:2319–2328. https://doi.org/10.1007/s12206-014-0522-7

    Article  Google Scholar 

  6. Gustafsson E, Oldenburg M, Jansson A (2016) Experimental study on the effects of clearance and clamping in steel sheet metal shearing. J Mater Process Technol 229:172–180. https://doi.org/10.1016/j.jmatprotec.2015.09.004

    Article  Google Scholar 

  7. Feistle M, Golle R, Volk W (2016) Determining the influence of shear cutting parameters on the edge cracking susceptibility of high-strength-steels using the edge fracture-tensile-test. Procedia CIRP 41:1078–1083. https://doi.org/10.1016/j.procir.2016.01.007

    Article  Google Scholar 

  8. Zhou M, Li YH, Hu Q, Li XF, Chen J (2019) Investigations on edge quality and its effect on tensile property and fracture patterns of QP980. J Manuf Process 37:509–518. https://doi.org/10.1016/j.jmapro.2018.12.028

    Article  Google Scholar 

  9. Konieczny A, Henderson T (2007) On formability limitations in stamping involving sheared edge stretching. SAE Paper 2007-01-0340. https://doi.org/10.4271/2007-01-0340

    Book  Google Scholar 

  10. Qian LY, Ji WT, Sun CY, Fang G, Lian JH (2021) Prediction of edge fracture during hole-flanging of advanced high-strength steel considering blanking pre-damage. Engng Fract Mech 248:107721. https://doi.org/10.1016/j.engfracmech.2021.107721

    Article  Google Scholar 

  11. Feistle M, Golle R, Volk W (2022) Edge crack test methods for AHSS steel grades: a review and comparisons. J Mater Process Technol 302:117488. https://doi.org/10.1016/j.jmatprotec.2021.117488

    Article  Google Scholar 

  12. Ye CJ, Chen JS, Xia C, Yu XY (2016) Study of curvature and pre-damage effects on the edge stretchability of advanced high strength steel based on a new simulation model. Int J Mater Form 9:269–276. https://doi.org/10.1007/s12289-014-1197-4

    Article  Google Scholar 

  13. Ilinich AM, Smith L, Golovashchenko SF (2011) Analysis of methods for determining sheared edge formability. SAE Paper 2011-01-1062. https://doi.org/10.4271/2011-01-1062

  14. Nasheralahkami S, Golovashchenko SF, Pan K, Brown L, Gugnani B (2016) Characterization of trimmed edge of advanced high strength steel. SAE Paper 2016-01-0358. https://doi.org/10.4271/2016-01-0358

    Book  Google Scholar 

  15. Golovashchenko S, Zhou WT, Nasheralahkami S, Wang N (2017) Trimming and sheared edge stretchability of light weight sheet metal blanks. Procedia Eng 207:1552–1557. https://doi.org/10.1016/j.proeng.2017.10.1077

    Article  Google Scholar 

  16. World Steel Association (2005) Advanced high strength steel (AHSS) application guidelines. http://observatorio.aimme.es/otea_document.asp?id=357&n=1

  17. Golovashchenko SF (2008) Quality of trimming and its effect on stretch flanging of automotive panels. J Mater Eng Perform 17:316–325. https://doi.org/10.1007/s11665-008-9220-x

    Article  Google Scholar 

  18. Jian W, Link TM, Merwin MJ (2008) AHSS edge formability in sheared-edge tension. International Conference on New Developments in Advanced High-Strength Sheet Steels, pp 361–366

    Google Scholar 

  19. Larour P, Pauli H, Freudenthaler J, Grünsteidl A (2011) Alternative stretch flangeability characterisation methods for AHSS steel grades. IDDRG, Bilbao, Spain http://www.iddrg.com/mm/11/C_13_11.pdf

    Google Scholar 

  20. Li DZ, Wu HP, Zhan XP, Chang ZD, Chen J (2022) A new ductile fracture model for edge cracking prediction of ultra-high strength steel considering damage accumulation in blanking process. J Mater Eng Perform 31:6880–6890. https://doi.org/10.1007/S11665-022-06718-3

    Article  Google Scholar 

  21. Achouri M, Germain G, Santo PD, Saidane D (2014) Experimental and numerical analysis of micromechanical damage in the punching process for High-Strength Low-Alloy steels. Mater Des 56:657–670. https://doi.org/10.1016/j.matdes.2013.11.016

    Article  Google Scholar 

  22. Wang NM, Wenner ML (1974) An analytical and experimental study of stretch flanging. Int J Mech Sci 16(2):135–143. https://doi.org/10.1016/0020-7403(74)90082-4

    Article  Google Scholar 

  23. Teng ZK, Chen XM (2014) Edge cracking mechanism in two dual-phase advanced high strength steels. Mater Sci Eng A 618:645–653. https://doi.org/10.1016/j.msea.2014.06.101

    Article  Google Scholar 

  24. Dalloz A, Besson J, Gourgues-Lorenzon A-F, Sturel T, Pineau A (2009) Effect of shear cutting on ductility of a dual phase steel. Engng Fract Mech 76(10):1411–1424. https://doi.org/10.1016/j.engfracmech.2008.10.009

    Article  Google Scholar 

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Funding

The authors received financial support from The Ministry of Science and Technology of China through the National Key Research and Development Project with grant # 2017YFB0304403.

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Authors and Affiliations

  1. Department of Plasticity Technology, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, 200030, China

    Huiping Wu, Daizhou Li & Jun Chen

  2. BaoShan Iron & Steel Co., Ltd., Shanghai, 201900, China

    Chao Niu

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  1. Huiping Wu
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  2. Daizhou Li
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  3. Chao Niu
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Correspondence to Jun Chen.

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Wu, H., Li, D., Niu, C. et al. Investigations on the flanging characteristics of advanced high-strength sheet metals with different sheared edge quality. Int J Adv Manuf Technol 125, 5591–5603 (2023). https://doi.org/10.1007/s00170-023-11059-z

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