Powder Metallurgy and Additive Manufacturing of Metals and Alloys

A special issue of Metals (ISSN 2075-4701).

Deadline for manuscript submissions: closed (31 January 2025) | Viewed by 1285

Special Issue Editor


E-Mail Website
Guest Editor
School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China
Interests: powder metallurgy; metal additive manufacturing

Special Issue Information

Dear Colleagues,

Powder metallurgy and additive manufacturing technologies offer numerous advantages in the field of metal materials. These include the ability to fabricate complex shapes, efficient material utilization; preparation of specialized performance materials; and their high forming rates, rapid manufacturing, and customization and multi-material and composite material production, as well as their quick iteration and design optimization. With continuous improvements in raw material preparation techniques and process equipment, the application areas of powder metallurgy and additive manufacturing in metal materials are expanding. In particular, these technologies demonstrate significant advantages in areas such as special compositions and performances, efficient manufacturing of complex structures, etc. Examples include large-sized titanium alloy structures for aerospace applications, nickel-based high-temperature alloys for aerospace engines, high-strength steels, corrosion-resistant medical devices, aluminum alloys, copper alloys, and other metal and alloy materials.

Powder metallurgy and additive manufacturing technologies in material preparation are influenced by factors such as powder selection and availability (particle size, loose packing density, and flowability), process parameters and optimization (powder blending, forming method, sintering temperature and time, sintering atmosphere, heat treatment, laser power, scanning speed, and support structure), equipment and technology maturity, cost and economy, quality control and performance verification, and standards and specifications. Therefore, this Special Issue welcomes research articles and reviews on the powder metallurgy technology and additive manufacturing technology of metal and alloy materials in material selection and optimization, process parameter optimization, microstructure and performance research, high-entropy alloy and composite materials, etc.

Dr. Zhenhua Yao
Guest Editor

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

  • powder metallurgy
  • additive manufacturing
  • microstructure
  • metal and alloy
  • fabrication process

Benefits of Publishing in a Special Issue

  • Ease of navigation: Grouping papers by topic helps scholars navigate broad scope journals more efficiently.
  • Greater discoverability: Special Issues support the reach and impact of scientific research. Articles in Special Issues are more discoverable and cited more frequently.
  • Expansion of research network: Special Issues facilitate connections among authors, fostering scientific collaborations.
  • External promotion: Articles in Special Issues are often promoted through the journal's social media, increasing their visibility.
  • Reprint: MDPI Books provides the opportunity to republish successful Special Issues in book format, both online and in print.

Further information on MDPI's Special Issue policies can be found here.

Published Papers (1 paper)

Order results
Result details
Select all
Export citation of selected articles as:

Research

15 pages, 28522 KiB  
Article
Influence of Recoater Speed on Powder Bed and Part Quality in Powder Bed Fusion of Metals Using a Laser Beam
by Nick Hantke, Tim Robert Brocksieper, Tobias Grimm and Jan T. Sehrt
Metals 2025, 15(3), 225; https://doi.org/10.3390/met15030225 - 20 Feb 2025
Viewed by 882
Abstract
The powder bed fusion of metals using a laser beam (PBF-LB/M) is an additive manufacturing process for the direct production of metal parts using powder as a starting material. The PBF-LB/M process consists of two main steps: the application of a new powder [...] Read more.
The powder bed fusion of metals using a laser beam (PBF-LB/M) is an additive manufacturing process for the direct production of metal parts using powder as a starting material. The PBF-LB/M process consists of two main steps: the application of a new powder layer and the melting of the cross-sections of the parts in each layer. Laser exposure usually takes up a lot of time during a build process; however, the application of powder layers, also taking up a considerable amount of time, offers potential to shorten production times. In this work, a powder test rig that mimics the real flow conditions of a PBF-LB/M system is used to measure the quality of X3NiCoMoTi18-9-5 powder layers applied at different recoater speeds by determining the powder surface roughness. The same recoating settings are then used on a real PBF-LB/M system to produce samples and investigate their densities as a function of recoater speed. The results show that the recoater speed influences the surface of the applied powder bed and has an effect on the density of the manufactured samples. However, this influence decreases if only samples with a high relative density are considered. Full article
(This article belongs to the Special Issue Powder Metallurgy and Additive Manufacturing of Metals and Alloys)
Show Figures

Figure 1

Back to TopTop