Editorial Board Members’ Collection Series: Metal Casting, Forming and Heat Treatment

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Metal Casting, Forming and Heat Treatment".

Deadline for manuscript submissions: 28 February 2025 | Viewed by 1087

Special Issue Editors


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CMEMS-UMinho, Department of Mechanical Engineering, University of Minho, Campus de Azurém, 4800-058 Guimarães, Portugal
Interests: Al and Mg alloys; melt degassing; alloy refinement; ultrasonic processing; FEA optimization of ultrasonic system; advanced casting manufacture; aluminium foam; micro and nano-reinforced lightweight alloys
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School of Engineering & Innovation, The Open University, Milton Keynes MK7 6AA, UK
Interests: mesoscale modelling; virtual reality; digital twin
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Department of Mechanical Engineering, Technical University of Denmark, DK-2800 Kongens Lyngby, Denmark
Interests: aluminum alloys; high-entropy alloys; thermomechanical processing; recrystallization; texture; mechanical properties; microstructural characterization; electron microscopy; EBSD

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Guest Editor
Department TEXMAT, Clausthal University of Technology and Helmholtz-Zentrum Geesthacht (HZG), Max-Planck-Str, D-21502 Geesthacht, Germany
Interests: materials characterization by X-rays; neutrons, synchrotron, and EBSD; instrumentation; texture, phase, and stress analysis; Mg, Al, and Ti alloys; industrial application
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Special Issue Information

Dear Colleagues,

The advanced processes of metal casting, forming, and heat treatment are instrumental in shaping metallic materials to achieve specific properties and configurations. This special issue is dedicated to advancing the understanding of these critical processes through cutting-edge research.

Metal casting is a fundamental manufacturing process used to produce near-net-shape parts, offering numerous advantages:

  • Cost-Effectiveness: Casting is often a more economical option compared to other manufacturing processes, especially for producing complex shapes. Creating complex designs with minimal machining can result in significant cost savings.
  • Flexibility in Dimensions and Weight: Casting accommodates a wide range of sizes and weights, making it suitable for diverse applications. From small, intricate components to large industrial parts, casting can meet various requirements.
  • Ability to Mold Unique Alloys: The casting process can handle various alloys, including unique and specialized types, providing tailored material properties to meet specific needs. This versatility allows for the creation of parts with specific mechanical, thermal, or chemical properties.

Metal forming is a sophisticated process that involves creating high-quality, cost-effective products with superior mechanical properties and innovative designs. Key considerations include:

  • Quality and Cost: Striking a balance between high quality and cost-effectiveness to ensure competitive market products.
  • Mechanical Properties: Achieving superior strength, ductility, and toughness in formed metal products.
  • Innovative Designs: Developing new forms and structures to meet evolving customer and market demands.
  • Understanding Material-Forming Relationships: Understanding the intricate relationships between material structure and various forming processes is crucial.
  • Plastic Instability: Addressing the challenge of unpredictable deformation patterns, which can impact the quality and consistency of formed products.

The process of heat treatment brings significant changes in the characteristics of metallic materials by modifying their internal structure. This results in improved mechanical and physicochemical properties. Key factors to consider include:

  • Optimizing Material Performance: Ensuring that materials meet necessary performance standards and specifications.
  • Impact of Deficiencies: Identify any shortcomings or deficiencies in the materials and take measures to address and mitigate them to prevent adverse effects on the final product.

Call for Papers

This special issue invites researchers and professionals to submit their latest findings and innovations in metal casting, forming, and heat treatment. Contributions should aim to advance the understanding and application of these processes, ultimately improving material performance and manufacturing efficiency.

Dr. Hélder Puga
Prof. Dr. Rongshan Qin
Dr. Oleg Mishin
Prof. Dr. Heinz-Günter Brokmeier
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Metals is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • casting processes
  • forming processes
  • heat treatment
  • metals
  • alloys shape design
  • simulation
  • mechanical properties
  • corrosion resistance
  • microstructure
  • anisotropy
  • defects prediction

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Published Papers (2 papers)

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Research

12 pages, 7574 KiB  
Article
The Effect of Process Parameters on the Pore Structure of Lotus-Type Porous Copper Fabricated via Continuous Casting
by Byung-Sue Shin and Soong-Keun Hyun
Metals 2024, 14(11), 1243; https://doi.org/10.3390/met14111243 - 31 Oct 2024
Viewed by 464
Abstract
The pores in lotus-type porous copper are formed due to the difference in hydrogen solubility between the liquid and solid phases of copper. In a pressurized hydrogen atmosphere, hydrogen gas is released at the gas release and crystallization temperature, which is the melting [...] Read more.
The pores in lotus-type porous copper are formed due to the difference in hydrogen solubility between the liquid and solid phases of copper. In a pressurized hydrogen atmosphere, hydrogen gas is released at the gas release and crystallization temperature, which is the melting point of copper. This study systematically analyzes the effects of process parameters, including hydrogen ratio, total pressure, and continuous casting speed, on the pore structure of lotus-type porous copper, with the aim of identifying the most critical process parameters for controlling pore diameter and density. Within the hydrogen ratio up to 50%, it was observed that as the hydrogen ratio increases, the pores tend to increase in porosity, and the pore diameter increases. As the hydrogen ratio increased from 25% to 50%, the pore diameter increased from 300 μm to 400 μm, while the pore density decreased from 3.3 N·mm−2 to 2.8 N·mm−2. As the total pressure increased, the pore diameter tended to decrease, and the pore density increased. Specifically, when the total pressure increased from 0.2 MPa to 0.4 MPa, the pore diameter decreased from 1100 μm to 400 μm, while the pore density increased significantly from 0.5 N·mm−2 to 2.8 N·mm−2. In addition, as the continuous casting speed increased, 30 to 90 mm·min−1, the pore diameter decreased from 850 μm to 400 μm, and the pore density increased from 0.7 N·mm−2 to 2.8. N·mm−2. Specifically, the increase in total pressure led to a decrease in Gibbs free energy and a reduction in the critical pore nucleation radius, which promoted pore formation and resulted in the creation of more, smaller pores. These results suggest that total pressure is the primary factor influencing both pore diameter and density in lotus-type porous copper. Full article
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16 pages, 11277 KiB  
Article
Microstructural and Oxidation Effects of Nb Additions to U3Si2
by Geronimo Robles, Joshua T. White, Scarlett Widgeon Paisner and Elizabeth S. Sooby
Metals 2024, 14(11), 1239; https://doi.org/10.3390/met14111239 - 30 Oct 2024
Viewed by 422
Abstract
U3Si2 is a long term, accident-tolerant nuclear fuel candidate for light-water reactors because of its superior thermal conductivity and increased uranium density when compared to traditional uranium dioxide (UO2). While reducing internal thermal stresses and increasing efficiency, U [...] Read more.
U3Si2 is a long term, accident-tolerant nuclear fuel candidate for light-water reactors because of its superior thermal conductivity and increased uranium density when compared to traditional uranium dioxide (UO2). While reducing internal thermal stresses and increasing efficiency, U3Si2 exhibits energetic oxidation during certain off-normal and accident scenarios, which include coolant or steam exposure. To mitigate this, Nb is investigated as an alloy constituent to enhance corrosion resistance and increase mechanical strength. The work presented investigates the response of Nb-alloyed U3Si2 to steam atmospheres. A thermogravimetric analysis is conducted in flowing steam to T > 1000 °C to assess oxidation resistance. The phase characterization of as-melted, thermally annealed and post-oxidation compositions with up to 12 vol% Nb by powder X-ray diffraction, scanning electron microscopy, and energy dispersive spectroscopy is reported. Full article
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