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Electromagnetic Force Distribution and Forming Performance in Electromagnetic Tube Expansion with Axial Compression [PDF]

open access: yesIEEE Access, 2020
Electromagnetic tube expansion has been given much attention due to its superior cold forming properties. The traditional electromagnetic coil is of single structure, which results in substantial tube wall thinning and mechanical strength reduction. This
Li Qiu   +7 more
doaj   +4 more sources

Study on the Efficiency of Simultaneous Tube Compression and Expansion Electromagnetic Forming [PDF]

open access: yesIEEE Access, 2021
The low efficiency of the electromagnetic forming is one of the obstacles for the advancement of this technology. Aiming at solving this issue, this paper presents a double tube-task electromagnetic forming technology method by employing a single driving
Zhi Li   +6 more
doaj   +4 more sources

Electromagnetic Force Distribution and Deformation Homogeneity of Electromagnetic Tube Expansion With a New Concave Coil Structure [PDF]

open access: yesIEEE Access, 2019
In the conventional electromagnetic tube expansion, the end effects generated by the conventional helix coil may lead to inhomogeneous tube deformation in the axial direction.
Li Qiu   +8 more
doaj   +4 more sources

Numerical Analysis of Tube Expansion by Electromagnetic Forming Using Magnetic Field Shaper [PDF]

open access: yesIEEE Access, 2020
Uneven axial deformation is the current main issue of the tubes electromagnetic bulging technology which calls for innovative and cost-effective solutions.
Li Qiu   +7 more
doaj   +4 more sources

Analysis of Electromagnetic Force and Formability of Tube Electromagnetic Bulging Based on Convex Coil

open access: yesIEEE Access, 2020
Non-uniform axial deformation and tube wall thinning are the main issues restricting the further development of the tube electromagnetic bulging technology.
Li Qiu   +8 more
doaj   +3 more sources

Exploring Electromagnetic Tube Expansion Based on Field Concentrator: An Analytical Model and Numerical Study [PDF]

open access: yesJournal of Microwaves, Optoelectronics and Electromagnetic Applications
This paper delves into the realm of Electromagnetic forming (EMF), a high-speed forming process leveraging pulsed magnetic fields generated via capacitor bank discharge through a coil.
Ilhem Boutana, Mohamed Rachid Mekideche
doaj   +2 more sources

Electromagnetic Expansion and Fragmentation of Hollow Aluminium 5052 Tube

open access: yesJournal of Minerals and Materials Characterization and Engineering, 2020
Electromagnetic forming is a high-speed forming technology by which hollow profiles can be compressed or expanded. It is done with a pulsed magnetic field to apply Lorentz’ forces at electrically conductive material. Electromagnetic hollow tube expansion is limited by the fragmentation tendency. This work attempts to use a combination of analytical

exaly   +3 more sources

Numerical Investigation on Forming Conditions Impact in Electromagnetic Tube Expansion Performance [PDF]

open access: yesIranian Journal of Electrical and Electronic Engineering
Electromagnetic Tube Expansion (EMTE) is a high-velocity forming process that utilizes transient magnetic fields to plastically deform tubular workpieces without physical contact. The process requires the generation of large currents via a capacitor bank,
Ilhem Boutana, Mohamed Rachid Mekideche
doaj   +2 more sources

Research on a Variable Pressure Driving Method for Soft Robots Based on the Electromagnetic Effect

open access: yesSensors, 2023
This study proposes a novel variable air pressure supply structure based on the electromagnetic effect. This structure can be implemented in various soft robots driven by air pressure, including pneumatic artificial muscles, pneumatic soft grippers, and ...
Zhongyuan Zhang   +4 more
doaj   +1 more source

Electromagnetic Force Distribution and Axial Deformation Uniformity Analysis of Dual-Coil Electromagnetic Tube Compression Method

open access: yesIEEE Access, 2020
In the conventional electromagnetic tube expansion, axial distribution of the electromagnetic force is not uniform along the workpiece. This results in uneven axial deformation of the deformed tube and restricts the full industrial implementation of this
Li Qiu   +5 more
doaj   +1 more source

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