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Numerical Simulation and Experimental Verification of Springback in Magnesium Alloy V-shaped Roll-Bending Using Optimized Hill'48 Yield Criterion
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1.School of Mechanical Engineering, Taiyuan University of Science and Technology, Taiyuan 030024, China;2.Shanxi Key Laboratory of Intelligent Technology and System for Heavy Equipment, Taiyuan University of Science and Technology, Taiyuan 030024, China;3.Chery Automobile Co., Ltd, Wuhu 241007, China;4.School of Applied Science, Taiyuan University of Science and Technology, Taiyuan 030024, China

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Fund Project:

National Natural Science Foundation of China (52274389); Key Research and Development Plan of Shanxi Province (202102010101010, 202202150401010); Science and Technology Activities for Overseas Students Selected Funding Project of Shanxi Province (20220028); Raise Funds to Help Returnees of Shanxi Province (2022-160); National Natural Science Foundation of China (Youth Science Foundation Project) (52004169); Returnee Research Support Project of Shanxi Province (2021-132)

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    Abstract:

    The bending springback of magnesium alloys is difficult to predict accurately by numerical simulations because of their anisotropic characteristics. The springback of magnesium alloy V-shaped roll-bending was analyzed using the error optimization function in Matlab to optimize the anisotropic potential values required for the Hill'48 yield criterion in ABAQUS. The optimized Hill'48 yield criterion model was used to numerically simulate the springback of magnesium alloy V-shaped roll-bending. The simulation results were compared with the experimental results. Results show that the error between the springback change ratio obtained using the optimized Hill'48 yield criterion and experimentally formed parts is within 2%. Overall, the optimized Hill'48 yield criterion improves the prediction accuracy of springback in magnesium alloy V-shaped roll-bending.

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[Wang Xiaocong, Xue Sensen, Zhou Weiguang, Chen Yao, Meng Zhijuan, Ning Fangkun, Ma Lidong. Numerical Simulation and Experimental Verification of Springback in Magnesium Alloy V-shaped Roll-Bending Using Optimized Hill'48 Yield Criterion[J]. Rare Metal Materials and Engineering,2025,54(9):2241~2246.]
DOI:10.12442/j. issn.1002-185X.20240464

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History
  • Received:July 29,2024
  • Revised:June 11,2025
  • Adopted:September 12,2024
  • Online: August 15,2025
  • Published: July 31,2025