Electromagnetic forming facilitates the transition of deformation mechanism in 5052 aluminum alloy

Li, Ning; Yu, Haiping; Zhu, Xu; Fan, Zhisong; Liu, Lin

doi:10.1016/j.msea.2016.07.039

Cited by 52 publications

(2 citation statements)

References 47 publications

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“…Electromagnetic-assisted forming is used to perform extrusion, welding, and bending under noncontact conditions to improve aspects such as grain structure, toughness, ductility, fracture limit, and fatigue strength during the forming process [8,9]. Although ultrasonic vibration and electromagnetic-assisted forming improve product quality, their use increases manufacturing costs, and their results are inconsistent between the types and shapes of materials.…”

Section: Introductionmentioning

confidence: 99%

The benefit of a glass die relative to a metal die in microforming

Huang

Chang²,

Ramanuel³

2023

Preprint

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This study investigated the application of a glass die in the forming of microproducts. Lower surface friction and better material flow are achieved in the microforming process when using a glass die than when using a metal die. In contrast to metal dies, glass dies need not repeatedly polished or coated to maintain their smooth surface. Moreover, lubrication is required in the microforming process in the case of a metal die but not glass die. We performed simulated and experimental double-cup extrusion tests on glass dies and found that glass dies affect the direction of material flow. Overall, this study demonstrates that a larger contact area between the billet and the die, a lower friction force, better material flow at specific locations, and a smaller difference between internal and external flows can be achieved when using a glass die in the microforming process than when using a metal die in this process.

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Section: Introductionmentioning

confidence: 99%

The benefit of a glass die relative to a metal die in microforming

Huang

Chang²,

Ramanuel³

2023

Preprint

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“…Li et al [13] found that during the electromagnetic deformation process of pure aluminum, the cross slip was activated and a significant dislocation cell structure appeared. Li et al [14] found that the 5052 Al alloy exhibited dislocation wavy slip behavior during electromagnetic deformation compared to the planar slip behavior of high strain rate deformation. They observed significant dislocation cell structures in the 5052 specimen under electromagnetic deformation, which was different from the dislocation morphology under high strain rate deformation.…”

Section: Introductionmentioning

confidence: 99%

Processing and performance of electromagnetic deformation combined with heat treatment of 2195 Al-Li alloy

Huang

Xie

et al. 2022

IOP Conf. Ser.: Mater. Sci. Eng.

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In this paper, the electromagnetic deformation combined with heat treatment (ET) process was studied, which was meaningful for the forming of high performance Al-Li alloy sheet metal parts. In the ET process, the annealed sheet was firstly subjected to solution treatment, electromagnetic deformation. and artificial age until it reaches the peak aging state. Compared with the traditional T6 heat treatment, the time efficiency of the ET process is significantly improved, and the mechanical properties of the specimen are enhanced. The ET process only takes 6 hours to reach the peak aging, and the time efficiency of precipitate strengthening is reached up to 4 times compared with the T6 process. At the same time, the mechanical properties of the ET specimen are higher than the T6 one, an increase of 17.6% in Vickers hardness. Moreover, the mechanism of higher time efficiency and mechanical properties of the ET process is revealed. It is found that a high density of cellular dislocations and sub-grain were introduced during the electromagnetic deformation process, which is conducive to the nucleation and growth of the T1 precipitate during artificial aging. The T1 precipitates of the ET specimen are more dispersed and finer.

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Electromagnetic impulse calibration in V-shaped parts

Cui

Wang

2018

Int J Adv Manuf Technol

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Electromagnetic forming facilitates the transition of deformation mechanism in 5052 aluminum alloy

Cited by 52 publications

References 47 publications

The benefit of a glass die relative to a metal die in microforming

The benefit of a glass die relative to a metal die in microforming

Processing and performance of electromagnetic deformation combined with heat treatment of 2195 Al-Li alloy

Electromagnetic impulse calibration in V-shaped parts

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