Eliminating warping due to stamping by using pulsed radial magnetic force

Du, Zhihao; Yang, Huan; Xiao, Ang; Cui, Xiaohui

doi:10.1007/s00170-023-11620-w

Cited by 1 publication

(1 citation statement)

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“…The distortion of PEEK components and springback were successfully reduced. Zhihao Du et al [27] research on non-uniform plastic deformation revealed that high residual stress in components led to increased springback and warping. Electromagnetic forming (EMF) is a high-speed forming technique that helps decrease component springback.…”

Section: Introductionmentioning

confidence: 99%

Finite element modeling for analyzing the production of high-strength steel sheets for automobile parts

Sanrutsadakorn,

Jhonthong,

Julsri

2023

Preprint

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An investigation was conducted on developing components from high-strength steel sheet grade 590, with a thickness of 2.40 millimeters using finite element analysis, with a focus on predicting springback and deviation behavior. This study centered on the manufacturing process of a Member C inner workpiece. The research comprised a comprehensive examination of chemical composition, microstructural analysis, and mechanical property testing to establish suitable material models for the forming process. The purpose of this study was to evaluate the accuracy of three separate material models, namely the Barlat89 yield criteria, the Y-U model, and the Barlat89 yield criteria + Y-U model. A cyclic tension-compression tests was used to determine the parameters of the Barlat89 yield criteria + Y-U model, which were then confirmed using the 1-element model. The manufactured samples predicted bend angles and the results of the experimental measurements were very consistent. Barlat89 yield criteria, Y-U model, and Barlat89 yield criteria + Y-U kinematic hardening model were used to predict the strain distribution springback and deviation behavior within the produced components. The results indicated that all three material models produced similar results concerning strain distribution. The material model based on Barlat89 yield criteria + Y-U model was determined to have the least inaccuracy when all seven sections were averaged, with angle θ1L equaling 93.66 degrees and angle θ1R equaling 93.13 degrees, underscoring its superior performance in predicting springback. The deviation behavior from the three material model simulations was very comparable. Consequently, it can be concluded that the Barlat89 yield criteria + Y-U model represented the most precise and suitable choice for simulating the formation of the Member C inner component.

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Section: Introductionmentioning

confidence: 99%