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Energy Field-Assisted Metal Forming

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Manufacturing Processes and Systems".

Deadline for manuscript submissions: 20 July 2025 | Viewed by 1203

Special Issue Editors


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Guest Editor
School of Material Science and Engineering, Hefei University of Technology, Hefei 230009, China
Interests: energy field-assisted forming technique; multi-field coupled simulation
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Guest Editor
School of Materials Science and Engineering, Henan University of Science and Technology, Luoyang 471000, China
Interests: preparation, processing, and precision plastic forming of high-performance metallic material

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Guest Editor
School of Material Science and Engineering, Hefei University of Technology, Hefei 230009, China
Interests: local loading forming technique; microstructure and performance control of light metals

Special Issue Information

Dear Colleagues,

Metal forming is an important area in the field of modern engineering. By processing metallic materials, the shape, microstructure, and comprehensive properties of the material can be altered, enabling it to be more suitable for different engineering applications. Therefore, studying the forming of metals provides important guidance for the design and manufacturing of new high-performance integral components.

The ever-increasingly critical manufacturing requirements include high precision, low cost, a high material utilization rate, good manufacturability, and a high demand of product services and performance aspects, such as high performance, lightweight design, lower energy consumption, good levels of sustainability, and low carbon emissions. These requirements elucidate the urgent demand for the re-innovation of traditional metal forming techniques today.

The recent thriving energy field-assisted forming technique, which allows external energy fields, comprising magnetic field, electric current, laser, ultrasonic vibration, etc., to act on the metallic pieces and to activate unregular multi-scale effects during the plastic deformation process, has been found to be a promising methodology in driving directional microstructure evolution, improving the formability, repairing the damage, and reducing the forming load and residual stress for various metallic materials. Thus, promoting technical progress and rejuvenating traditional forming technologies holds great potential.

This Special Issue focuses on the energy field-assisted forming processes of metallic materials, including, but not limited to, the energy effect of materials, electrically assisted forming, ultrasonic vibration-assisted forming, electromagnetic forming, energy-assisted treatments such as electromagnetic shocking and coupled electromagnetic treatment, and the microstructure and property changes of materials during these processes. Research contributions and review articles highlighting recent progress in these fields are all welcome.

Dr. Siliang Yan
Dr. Tao Huang
Dr. Miao Meng
Guest Editors

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Keywords

  • energy field-assisted forming
  • advanced metallic materials
  • multi-scale effect of energy field
  • high-performance complex component
  • forming limit
  • forming defects
  • multi-field coupled through-process simulation
  • integrated manufacture of shape and performance

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Published Papers (2 papers)

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Research

12 pages, 8197 KiB  
Article
Grain Growth Kinetics of a Nickel-Based Superalloy Under Electric Pulse Treatment
by Zhiyu Xiang, Hongwei Li, Xin Zhang, Pengfei Gao and Mei Zhan
Materials 2025, 18(9), 2019; https://doi.org/10.3390/ma18092019 - 29 Apr 2025
Viewed by 102
Abstract
Grain boundaries play a vital role in determining the mechanical and physical properties of metallic materials. Heat treatment (HT) is widely employed to modify the content and distribution of grain boundaries. However, achieving precise control by HT remains challenging due to the scale [...] Read more.
Grain boundaries play a vital role in determining the mechanical and physical properties of metallic materials. Heat treatment (HT) is widely employed to modify the content and distribution of grain boundaries. However, achieving precise control by HT remains challenging due to the scale mismatch between heat transfer and microstructure evolution. Electric pulse treatment (EPT) offers a breakthrough in microstructure control, by unifying the scales of microstructure and heat generation through a local Joule heating effect, with significant acceleration to microstructure evolution through athermal effects. Those two aspects establish EPT as an effective approach to grain boundary regulation. Despite its advantages, the mechanisms underlying the thermal and athermal effects of EPT remain unclear. To this end, a study of the grain growth kinetics of a nickel-based superalloy with an inhomogeneous microstructure under EPT was carried out through experimental and theoretical approaches. Grain boundary migration behaviors in both coarse- and fine-grained regions were investigated, corresponding grain growth kinetics were established, and effects were validated via annealing twin evolution. The results reveal that EPT accelerates grain boundary migration more than HT, exhibiting a “target effect” where growth rates correlate with grain boundary density. The efficacy of EPT depends on the balance between enhanced grain boundary migration and a reduced treatment time. Full article
(This article belongs to the Special Issue Energy Field-Assisted Metal Forming)
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16 pages, 4858 KiB  
Article
A Porosity Closure Model Under Hot Isostatic Pressing of an IN718 Alloy Manufactured by Powder Bed Fusion
by Xuming Wang, Liqun Niu, Kaixiong Cheng, Bingzheng Wang and Qi Zhang
Materials 2025, 18(5), 1001; https://doi.org/10.3390/ma18051001 - 24 Feb 2025
Viewed by 506
Abstract
The low productivity and high cost of additive manufacturing techniques, such as powder bed fusion (PBF), limits its wide application in industry. A combined approach of hot isostatic pressing (HIP) and PBF was an effective means to solve this limitation. Nevertheless, there is [...] Read more.
The low productivity and high cost of additive manufacturing techniques, such as powder bed fusion (PBF), limits its wide application in industry. A combined approach of hot isostatic pressing (HIP) and PBF was an effective means to solve this limitation. Nevertheless, there is currently a lack of a porosity closure model to design and optimize the HIP process parameters of PBF-manufactured components. The porosity closure condition of the PBF-manufactured component is deduced based on the additivity of logarithmic strain and the plastic equation of volume compressible material, and then a porosity closure model considering temperature and pressure is established and verified by molecular dynamics simulation. Subsequently, a HIP diagram of the PBF-manufactured IN718 is constructed. Four different initial relative densities of 0.956, 0.970, 0.984, and 0.996 of IN718 components are introduced by increasing the scanning speed of PBF. HIP post-treatment experiments of different relative density components are performed. The accuracy of the HIP diagram is verified by the relative density test and microstructure observation. Full article
(This article belongs to the Special Issue Energy Field-Assisted Metal Forming)
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