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"Forming limit curve (FLC)"

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"Forming limit curve (FLC)"

Article
Application/Comparison Study of a Graphical Method of Forming Limit Curve Estimation for DP590 Steel Sheets
The-Thanh Luyen, Quoc-Tuan Pham, Young-Suk Kim, Duc-Toan Nguyen
J. Korean Soc. Precis. Eng. 2019;36(9):883-890.
Published online September 1, 2019
DOI: https://doi.org/10.7736/KSPE.2019.36.9.883
Since its introduction, the Modified Maximum Force Criterion proposed by Hora et al., has been widely used to theoretically estimate the forming limit curve of metal sheets. On the basis of this criterion, a graphical method was presented in our previous study to simplify the evaluation of the forming limit curve (FLC) of metal sheets. This paper presents an application of the graphical method to estimate the FLCs of an advanced high-strength steel sheet material, DP590. The material is frequently used in the automotive industry. To verify the ability of the graphical method, various hardening laws and yield functions were used to estimate the forming limiting curves for the examined material. The calculated forming limiting curves are then adopted for the finite element method (FEM) to predict the fracture heights of different notch specimens desired by the Hecker’s punch stretching tests. The results of the finite element method simulations agree well with the values of the fracture heights, in comparison to the experimental data. This verifies the ability and potential of the graphical method in industrial engineering.

Citations

Citations to this article as recorded by  Crossref logo
  • Simulation and experimental comparison study based on predicting forming limit curve of SUS304 sheet material
    The-Thanh Luyen, Thi-Bich Mac, Duc-Toan Nguyen
    Modern Physics Letters B.2023;[Epub]     CrossRef
  • Enhancing/Improving Forming Limit Curve and Fracture Height Predictions in the Single-Point Incremental Forming of Al1050 Sheet Material
    Trung-Kien Hoang, The-Thanh Luyen, Duc-Toan Nguyen
    Materials.2023; 16(23): 7266.     CrossRef
  • Investigating the impact of yield criteria and process parameters on fracture height of cylindrical cups in the deep drawing process of SPCC sheet steel
    The-Thanh Luyen, Thi-Bich Mac, Tien-Long Banh, Duc-Toan Nguyen
    The International Journal of Advanced Manufacturing Technology.2023; 128(5-6): 2059.     CrossRef
  • A simulation and experimental study on the deep drawing process of SPCC sheet using the graphical method
    The-Thanh Luyen, Van-Canh Tong, Duc-Toan Nguyen
    Alexandria Engineering Journal.2022; 61(3): 2472.     CrossRef
  • Graphical method based on modified maximum force criterion to indicate forming limit curves of 22MnB5 boron steel sheets at elevated temperatures
    The-Thanh Luyen, Quoc-Tuan Pham, Thi-Bich Mac, Tien-Long Banh, Duc-Toan Nguyen
    Journal of Iron and Steel Research International.2021; 28(8): 1009.     CrossRef
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