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Ductile Tearing Resistance Indexing of Automotive Grade DP 590 Steel Sheets: EWF Testing Using DENT Specimens

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Abstract

The essential work of fracture (EWF) method has been explored for indexing the ductile tearing resistance of DP 590 automotive grade dual-phase steel sheet both in longitudinal (L-T) and transverse (T-L) orientations. The simplest possible test and analysis procedures have been adopted. The EWF method is found to be eminently suitable for routine quality control and product development purposes for such materials. Areas for further research for improving the experimental strategy are highlighted. For the investigated steel sheet, the estimated tearing resistance is found to be distinctly higher for the L-T orientation compared to the T-L orientation; the reason thereof merits further investigation.

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Acknowledgments

The authors thank Dr.Mahadev Shome, M/s Tata Steel, India, for kindly providing the test material. SKR wishes to thank Ministry of Steel, Government of India, for support during the course of the reported study.

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Author notes

  1. Subhadra Sahoo

    Present address: Department of Metallurgical and Material Engineering, Veer Surendra Sai University of Technology, Burla, Sambalpur, Odisha, 768018, India

  2. N. Padmapriya

    Present address: Department of Design and Engineering, Bournemouth University, Poole, UK

Authors and Affiliations

  1. Metallurgical and Material Engineering Department, Jadavpur University, Kolkata, 700032, India

    Subhadra Sahoo, N. Padmapriya, Partha Sarathi De, P. C. Chakraborti & S. K. Ray

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  1. Subhadra Sahoo
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Correspondence to P. C. Chakraborti.

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Sahoo, S., Padmapriya, N., De, P.S. et al. Ductile Tearing Resistance Indexing of Automotive Grade DP 590 Steel Sheets: EWF Testing Using DENT Specimens. J. of Materi Eng and Perform 27, 2018–2023 (2018). https://doi.org/10.1007/s11665-018-3293-y

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  • DOI: https://doi.org/10.1007/s11665-018-3293-y

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