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Additive Manufacturing of Functional Metal Materials: Process, Microstructure and Performance

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Materials Science and Engineering".

Deadline for manuscript submissions: closed (30 April 2024) | Viewed by 1138

Special Issue Editors


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Guest Editor
Welding and Additive Manufacturing Centre, Cranfield University, Bedfordshire, UK
Interests: shape memory alloys; in situ alloying; wire-based direct energy deposition; microstructure and mechanical analysis
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Welding and Additive Manufacturing Centre, Cranfield University, Cranfield MK430AL, UK
Interests: shape memory alloys; welding; additive manufacturing; microstructure and mechanical analysis

E-Mail Website
Guest Editor
Welding and Additive Manufacturing Centre, Cranfield University, Cranfield MK430AL, UK
Interests: wire arc additive manufacturing; shape memory alloys; finite element modeling; process modeling and monitoring

Special Issue Information

Dear Colleagues,

The field of additive manufacturing (AM) for functional metal materials has undergone transformative development, significantly impacting both the industrial and academic sectors. Technological advancements in AM processes, such as powder bed fusion (PBF) and direct energy deposition (DED), have enabled precise control over microstructures, thereby enhancing material performance in terms of tensile strength, fatigue resistance, and corrosion resilience. This has opened up new avenues for the production of complex, customised components in sectors such as aerospace, automotive, and healthcare, where high-performance materials are crucial. Moreover, the ability to produce parts on demand reduces lead times and waste, contributing to more sustainable manufacturing practices. Overall, the evolution of AM is revolutionising the way functional metal materials are processed, characterised, and applied, offering unprecedented opportunities for innovation.

This Special Issue offers an exhaustive exploration of the current state and future prospects of AM technologies specifically tailored for metal materials. By offering a multi-dimensional view of the challenges and opportunities in this field, this Special Issue serves as an essential reference for academics, industry experts, and practitioners aiming to push the boundaries of additive manufacturing technologies for functional metal materials. Submissions of original research articles, reviews, and short communications related to the subject are very welcome.

Dr. Jun Wang
Dr. Supriyo Ganguly
Dr. Chenglei Diao
Guest Editors

Manuscript Submission Information

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Keywords

  • metallic alloys
  • additive manufacturing
  • process development
  • mechanical performance
  • functional performance
  • defects and repair
  • microstructure and phase transformation

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Published Papers (1 paper)

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Research

30 pages, 46683 KiB  
Article
Features of the Stress–Strain State of 3D Metal Objects Produced by Additive Microplasma Deposition of the Powder of a Fe–Cr–Ni–B–Si System
by Volodymyr Korzhyk, Shiyi Gao, Vladyslav Khaskin, Oleksandr Voitenko, Oksana Konoreva, Viktor Kvasnytskyi and Andrii Perepichay
Appl. Sci. 2024, 14(10), 4159; https://doi.org/10.3390/app14104159 - 14 May 2024
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Abstract
The objective of this study was the additive microplasma powder deposition of 3D metal products. The regularities of the influence of technological parameters of additive microplasma deposition of spatial objects using the powder filler material of a Fe–Cr–Ni–B–Si system on the formation of [...] Read more.
The objective of this study was the additive microplasma powder deposition of 3D metal products. The regularities of the influence of technological parameters of additive microplasma deposition of spatial objects using the powder filler material of a Fe–Cr–Ni–B–Si system on the formation of the microstructure and stress–strain state of 3D product material were studied in this work. Product walls with a layered metal structure with a deposited layer height of about 650 µm and 3.0–3.5 mm thickness were formed as a result of additive microplasma deposition of the HYF–103 powder of a Fe–Cr–Ni–B–Si system. The deposited metal ensured a high ultimate strength (above 600 MPa). The finite element method was used to derive the solution of the thermomechanical problem of additive deposition of 3D prototypes («cylinder», «triangular prism», «square prism», «reverse cone», «straight cone») with HYF–103 powder. The equivalent stresses of the highest magnitude (565 MPa) were predicted in the model sample of the “reverse cone” type, and the lowest stresses (552 MPa) were present in the sample of the “straight cone” type. For all the models, the maximal values of radial movements corresponded to the range of 0.22–0.28 mm. The respective technological mode of deposition was selected to minimize the stress–strain state of the produced 3D objects. Full article
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