Special Issue "Powder-Bed Fusion Processes"

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

Deadline for manuscript submissions: 31 August 2020.

Special Issue Editor

Prof. Adin Stern
E-Mail Website
Guest Editor
Department of Materials Engineering, Ben-Gurion University of the Negev, Beer Sheba, Israel
Interests: additive manufacturing processes (PBF and FDM); welding and joining processes (SSW-MPW and SPS, GTAW); archeometallurgical research on metallurgy and joining of metals; additive manufacturing standards and standardization

Special Issue Information

Dear Colleagues,

The path from Ford’s mass-production system to customized production has been a long way paved with many interesting technological advances—in particular, the development of a wide array of additive manufacturing (AM) processes. This Special Issue is dedicated to the publication of research papers and reviews where the focus is on the industrial applications of powder bed fusion technologies (PBF), to illustrate recent advances in the field. AM-PBF processes are currently providing novel approaches to control the topological structures, microstructures, and mechanical properties of components that are integrated in numerous industrial applications. The commonly used AM-PBF processes are selective laser melting (SLM), selective laser sintering (SLS), and electron-beam melting (EBAM/EBM) technologies.

During AM-PBF manufacturing, powder material is re-melted, rapidly cooled, and subjected to many thermal cycles, due to the layer-by-layer nature of the PBF manufacturing processes. As such, the selection of metallic materials for PBF additive manufacturing is a real challenge. Currently, only a limited number of ferrous materials, cobalt chrome alloys, nickel alloys, titanium alloys, and aluminum alloys have been proven suitable for PBF additive manufacturing.

This Special Issue covers new and modified processing and post-processing methods, structure and mechanical characterization, theoretical computations, and industrial applications associated with AM-PBF techniques, including the production of new powder grades tolerant to AM-PBF.

Topics of particular interest include, but are not limited to:

  • Advancements in SLM, SLS, and EBAM-EBM processes;
  • Topological designs of metal products, including porous metals and metallic foams, applicable to PBF;
  • Production of new metallic powder grades tolerant to AM-PBF;
  • Development of process parameters, build strategies, and microstructural control of PBF-produced metallic components;
  • Properties and performance of PBF-produced metallic alloys (e.g. mechanical, thermal, electrical and chemical (corrosion));
  • Discontinuity characterization and microstructure–properties relationship in PBF manufactured alloys;
  • Theoretical computations to further understand phenomena related to AM-BPF processing.

Combining publications in the form of short communications, full-length articles, and reviews from the above-mentioned areas will permit us to issue a high-impact journal. Please note that Metals is an open-access journal, and this Special Issue will be freely available for all readers across the globe.

Prof. Adin Stern
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 papers will be 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 1600 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.


  • SLM, SLS, and EBAM/EBM processes
  • metal powders tolerant to AM-PBF
  • design
  • microstructure–properties relationship
  • properties, discontinuities, and performance characterization
  • thermal and mechanical modelling
  • manufacturing
  • industrial applications

Published Papers (1 paper)

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Open AccessReview
Laser Powder Bed Fusion of Precipitation-Hardened Martensitic Stainless Steels: A Review
Metals 2020, 10(2), 255; https://doi.org/10.3390/met10020255 - 14 Feb 2020
Martensitic stainless steels are widely used in industries due to their high strength and good corrosion resistance performance. Precipitation-hardened (PH) martensitic stainless steels feature very high strength compared with other stainless steels, around 3-4 times the strength of austenitic stainless steels such as [...] Read more.
Martensitic stainless steels are widely used in industries due to their high strength and good corrosion resistance performance. Precipitation-hardened (PH) martensitic stainless steels feature very high strength compared with other stainless steels, around 3-4 times the strength of austenitic stainless steels such as 304 and 316. However, the poor workability due to the high strength and hardness induced by precipitation hardening limits the extensive utilization of PH stainless steels as structural components of complex shapes. Laser powder bed fusion (L-PBF) is an attractive additive manufacturing technology, which not only exhibits the advantages of producing complex and precise parts with a short lead time, but also avoids or reduces the subsequent machining process. In this review, the microstructures of martensitic stainless steels in the as-built state, as well as the effects of process parameters, building atmosphere, and heat treatments on the microstructures, are reviewed. Then, the characteristics of defects in the as-built state and the causes are specifically analyzed. Afterward, the effect of process parameters and heat treatment conditions on mechanical properties are summarized and reviewed. Finally, the remaining issues and suggestions on future research on L-PBF of martensitic precipitation-hardened stainless steels are put forward. Full article
(This article belongs to the Special Issue Powder-Bed Fusion Processes)
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