Deformation behavior and microstructure evolution of pure Cu subjected to electromagnetic bulging

Jiang, Huawen; Li, N.; Xiong, Yuanyuan; Li, Z.G.; Liu, L.

doi:10.1016/j.msea.2013.11.032

Cited by 14 publications

(3 citation statements)

References 32 publications

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“…The engineering stress and strain can be obtained by tensile tests at room temperature. The true stress and strain can be calculated by Equations (4) and (5). Thus, the true stress-strain curve of pure aluminum under quasi-static conditions can be seen in Figure 3.…”

Section: Experimental and Finite Element Simulationmentioning

confidence: 99%

“…A detailed review by Psyk et al [1] showed that EMF has several advantages compared with conventional quasi-static forming, such as increased forming limits. Many scholars have proven that the formability of various materials can be dramatically increased under EMF, such as aluminum [2], steel [3], magnesium [4], copper [5], and titanium [6].…”

Section: Introductionmentioning

confidence: 99%

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Dynamic Uniform Deformation for Electromagnetic Uniaxial Tension

Cui

Zhang

et al. 2019

Metals

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To compare with quasi-static uniaxial tensioning, researchers designed an electromagnetic uniaxial tension method using a runway coil. However, the requirements to obtain a uniformly deformed sample and the ways the stress changes on the sample using a runway coil have not been studied in the past. In this study, a three-dimensional (3D) sequential coupling method was developed to analyze the factors affecting on-sheet deformation inhomogeneity under electromagnetic uniaxial tension. Two main process parameters, comprising the die type and the relative position of the coil and sheet, were evaluated. Under the optimal parameters, the experiment and simulation both obtained uniformly deformed samples with different discharge conditions, and the simulation method had a high accuracy in modeling the deformation process. The stress state of the sample is approximately unidirectional tensile stress before 240 μs. After 240 μs, the three main stresses showed significant oscillations.

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Section: Experimental and Finite Element Simulationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Dynamic Uniform Deformation for Electromagnetic Uniaxial Tension

Cui

Zhang

et al. 2019

Metals

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“…5) Jiang et al reported the dislocation slip mechanism of electromagnetic bulged pure Cu based on microstructure observation. 6,7) Ferreira et al deformed a 304 stainless steel using electromagnetic forming (EMF) and found that the plastic deformation in this case was dominated by twinning due to the easy nucleation of partial dislocations at high strain rate. 8) It is hard to understand the deformation mechanism only by microstructure observation of the deformed metal.…”

Section: Introductionmentioning

confidence: 99%

Experimental and Numerical Analyses of Magnetic Pulse Forming of A1050 Aluminum Sheet

et al. 2020

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An A1050 aluminum sheet was collided against a steel mold with a small V-shaped through-thickness groove by using magnetic pulse forming (MPF) at various charging energy conditions. Deformation behavior of the sheet was also reproduced by using a series of numerical analyses. The groove was filled at high charging energy condition. Almost no change in grain morphology was observed at the mid-thickness area of the sheet, but extremely large intensive deformation occurred at the metal surface region along the slope of the mold. Deformation of the MPFed Al sheet was numerically analyzed by using ANSYS Emag-Mechanical. Electromagnetic force and deformation of the sheet was reproduced, and the impact velocity of the sheet to the mold was obtained. Deformation behavior of Al under various impact velocity conditions was analyzed by using Smoothed Particle Hydrodynamics (SPH) method of ANSYS AUTODYN. The groove was completely filled with Al at the high impact velocity condition, and an extremely large plastic strain and strain rate were observed only at the sheet surface. These simulation results corresponded very well to the final shape and the local microstructure change observed in the MPFed Al sheet.

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Variation of thickness distribution during electromagnetic sheet bulging

Cui

et al. 2015

Int J Adv Manuf Technol

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Deformation behavior and microstructure evolution of pure Cu subjected to electromagnetic bulging

Cited by 14 publications

References 32 publications

Dynamic Uniform Deformation for Electromagnetic Uniaxial Tension

Dynamic Uniform Deformation for Electromagnetic Uniaxial Tension

Experimental and Numerical Analyses of Magnetic Pulse Forming of A1050 Aluminum Sheet

Variation of thickness distribution during electromagnetic sheet bulging

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