Advances in 3D Printing Technologies of Metals—3rd Edition

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

Deadline for manuscript submissions: 30 September 2025 | Viewed by 661

Special Issue Editors


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Guest Editor
Department of Mechanical Engineering, School of Engineering of Barcelona (ETSEIB), Universitat Politècnica de Catalunya, 08028 Barcelona, Spain
Interests: additive manufacturing; hip prostheses; roughness; porosity; dimensional accuracy; mechanical strength
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E-Mail Website
Guest Editor
1.Department of Mechanical Engineering, School of Engineering of Barcelona (ETSEIB), Universitat Politècnica de Catalunya, 08028 Barcelona, Spain
2.CIM UPC Technological Center, 08028 Barcelona, Spain
Interests: 3D printing; additive manufacturing; Industry 4.0; digital manufacturing
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Research into the additive manufacturing (AM) of metals has expanded in recent years, with the aim being to obtain high-strength parts and/or parts with high electrical conductivity and complex shapes.

Metallic AM parts are applied in different sectors, including the automotive, aeronautical, medical, and electronics sectors, among many others.

For this Special Issue, we welcome the submission of articles that focus on the characterization of metallic parts obtained with different additive manufacturing processes and considering their metallurgy, surface finish, porosity, mechanical properties, geometry features, etc. Topics of interest for this Special Issue include, but are not limited to, the following different AM processes:

  • VAT polymerization techniques such as stereolithography (SL) with metallic-filled resin;
  • Metal binder jetting techniques;
  • Material extrusion techniques such as fused deposition modeling (FDM), also known as fused filament fabrication (FFF) with metal-filled filament, direct ink writing (DIW) with metal-filled inks, solid-state friction welding, and Joule printing;
  • Metallic material jetting techniques such as nanoparticle jetting (NPJ), liquid metal 3D printing, and supersonic 3D deposition;
  • Powder bed fusion techniques such as selective laser melting (SLM) or electron beam melting (EBM);
  • Directed energy deposition processes such as powder DED and wire DED based on different energy sources;
  • Others, such as ultrasonic consolidation, etc.

Dr. Irene Buj Corral
Dr. Felip Fenollosa-Artés
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

  • metal 3D printing
  • vat photopolymerization with metal-filled resins
  • metal binder jetting
  • fused filament fabrication (FFF) with metal-filled filament
  • direct ink writing (DIW) with metal-filled ink
  • selective laser melting (SLM, DLMS, LMF, etc.)
  • electron beam melting (EBM)
  • wire arc additive manufacturing (WAAM)
  • direct energy deposition (DED)
  • laser-engineered net shaping (LENS)

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Published Papers (1 paper)

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Review

47 pages, 5002 KiB  
Review
On the Extent of Feedstock–System Interaction in Determining the Efficiency of Laser Powder Directed Energy Deposition
by Alberto Santoni, Eleonora Santecchia, Anna Maria Schiavone, Valentina Latini, Bogdan Daniel Lascu and Constantin Romica Stoica
Metals 2025, 15(6), 599; https://doi.org/10.3390/met15060599 - 27 May 2025
Viewed by 536
Abstract
Laser Powder Directed Energy Deposition (LP-DED) is an advanced additive manufacturing process that uses a focused laser beam to melt and fuse powder material onto a substrate. This technology enables the production of complex metal components with high precision and material efficiency. The [...] Read more.
Laser Powder Directed Energy Deposition (LP-DED) is an advanced additive manufacturing process that uses a focused laser beam to melt and fuse powder material onto a substrate. This technology enables the production of complex metal components with high precision and material efficiency. The properties of the powder feedstock are highly important and have been extensively studied in the literature. Powder size distribution and particle shape have been identified as key factors influencing the flowability, and it is imperative that nozzle designs take these into account for optimum material delivery. The laser–powder interaction, where the laser energy influences the melting behavior, as well as nozzle designs, have been highlighted in both historical and the more recent laser cladding literature. Finally, a comprehensive analysis of fluid dynamic simulations of the powder particles and their interaction with the nozzle design is provided. Full article
(This article belongs to the Special Issue Advances in 3D Printing Technologies of Metals—3rd Edition)
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