Additive Manufacturing of Metallic Materials: Advances, Challenges, and Prospects

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Additive Manufacturing".

Deadline for manuscript submissions: closed (31 July 2023) | Viewed by 3389

Special Issue Editor


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Guest Editor
School of Metallurgy and Materials Engineering, College of Engineering, University of Tehran, P.O. Box 11155-4563, Tehran, Iran
Interests: additive manufacturing; alloy design; nanostructured materials; materials characterization

Special Issue Information

Dear Colleagues,

This Special Issue aims to be a venue for discussing advances, challenges, and prospects regarding metallic materials additive manufacturing in academia and industry. The scope covers experimental investigations and theoretical modeling on the characterization of additive powders, process developments and control, parameter optimization, and post-treatment tailoring of advanced materials with superior properties. The particular scientific focus will be on alloy design, composite materials, hybrid structures, lattice structures, metamaterials, and functionally graded materials by additive manufacturing technologies.

Dr. Farzad Khodabakhshi
Guest Editor

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Keywords

  • metallic materials additive manufacturing
  • experimental investigations
  • theoretical modeling
  • parameter optimization
  • alloy design

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Published Papers (1 paper)

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Research

16 pages, 4504 KiB  
Article
New Scanning Strategy Approach for Laser Powder Bed Fusion of Nd-Fe-B Hard Magnetic Material
by Ivan A. Pelevin, Egor A. Terekhin, Dmitry Yu. Ozherelkov, Irina S. Tereshina, Dmitry Yu. Karpenkov, Fedor Yu. Bochkanov, Stanislav V. Chernyshikhin, Anton Yu. Nalivaiko and Alexander A. Gromov
Metals 2023, 13(6), 1084; https://doi.org/10.3390/met13061084 - 7 Jun 2023
Cited by 14 | Viewed by 2878
Abstract
Volumetric cubic and cylindrical samples from MQP-S Nd-Fe-B-type material were 3D-printed using the LPBF technique. Two different scanning strategies were used: the convenient single laser exposure scanning strategy and the newly proposed double scanning strategy aimed at improving the melting process and increasing [...] Read more.
Volumetric cubic and cylindrical samples from MQP-S Nd-Fe-B-type material were 3D-printed using the LPBF technique. Two different scanning strategies were used: the convenient single laser exposure scanning strategy and the newly proposed double scanning strategy aimed at improving the melting process and increasing the density of the synthesized material. Samples with a relative density value higher than 95% were obtained using the new scanning strategy by reducing void volume and cracks. This was achieved by decreasing internal stresses and reducing the tendency to form and propagate cracks. The double scanning strategy of half laser power followed by full power exposure provides higher magnetic properties (both coercive force and remanence). The coercive force increases with energy input decrease, while remanence has inverse dependence. Full article
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