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Recent Advances in Additive Manufacturing of Metallic Materials
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Recent Advances in Additive Manufacturing of Metallic Materials

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Metals and Alloys".

Deadline for manuscript submissions: closed (10 January 2023) | Viewed by 6457

Special Issue Editor

Dr. Jong Bae Jeon

E-Mail Website
Guest Editor
Department of Materials science and engineering, Dong-A University, Busan 49315, Korea
Interests: additive manufacturing; ferrous alloys; mechanical properties; phase transformation; computer simulation; machine learning for materials and process design

Special Issue Information

Dear Colleagues,

This Special Issue of Materials focuses mainly on the additive manufacturing (AM) of metallic materials. The AM process has strong advantages, such as “high freedom of design”, “complexity for free by topological optimization” and “potential elimination of tooling”, over classical manufacturing processes. However, AM is still facing hurdles to overcome in relation to widespread utilization, especially metallurgical conditions for tailoring AM components. Therefore, this Special Issue is a good opportunity for researchers around the world to disseminate different aspects of their work related to the additive manufacturing of metallic materials.

Potential topics include, but are not limited to:

  • Alloy design for additive manufacturing;
  • Process design for additive manufacturing;
  • Post-process design, such as heat treatment and machining, for additive manufacturing;
  • Process–microstructure–properties relationship;
  • Modeling and simulation of additive manufacturing processes;
  • Materials characterization in AM components;
  • Component manufacturing: pre- and post-processing strategies.

It is my pleasure to invite you to submit a manuscript for this Special Issue. Full experimental or numerical papers, communications, and reviews are all welcome.

Dr. Jong Bae Jeon
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. Materials is an international peer-reviewed open access semimonthly 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

  • additive manufacturing
  • microstructure
  • mechanical properties
  • corrosion resistance
  • alloy design
  • process design
  • heat treatment
  • pre/post treatment
  • computer simulation
  • phase transformation

Published Papers (2 papers)

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Research

12 pages, 31900 KiB  
Article
Hot Isostatic Pressing for Fatigue Critical Additively Manufactured Ti-6Al-4V
by Terrence P. Moran, Patricio E. Carrion, Seungjong Lee, Nima Shamsaei, Nam Phan and Derek H. Warner
Materials 2022, 15(6), 2051; https://0-doi-org.brum.beds.ac.uk/10.3390/ma15062051 - 10 Mar 2022
Cited by 14 | Viewed by 3347
Abstract
The efficacy of hot isostatic pressing (HIP) for enhancing fatigue performance is investigated for additively manufactured (AM) Ti-6Al-4V. The limitations of HIP are probed by varying the initial material state via the selection of AM system, powder chemical composition, and process parameters. We [...] Read more.
The efficacy of hot isostatic pressing (HIP) for enhancing fatigue performance is investigated for additively manufactured (AM) Ti-6Al-4V. The limitations of HIP are probed by varying the initial material state via the selection of AM system, powder chemical composition, and process parameters. We demonstrate that the fatigue performance of HIP’d AM Ti-6Al-4V depends on the as-built quality of the material. Differences in common material attributes, such as pre-HIP defect populations or post-HIP microstructure morphology, are shown to be insufficient to explain the observed discrepancies in performance. This implies that additional microstructure attributes or localized deviations from the expected structure control the failure of this material. Finally, HIP parameters outside ASTM recommendations were explored, where a reduced temperature and high-pressure treatment yielded significantly improved fatigue performance. Full article
(This article belongs to the Special Issue Recent Advances in Additive Manufacturing of Metallic Materials)
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16 pages, 55705 KiB  
Article
Wear Behavior of Conventionally and Directly Aged Maraging 18Ni-300 Steel Produced by Laser Powder Bed Fusion
by Kichang Bae, Dohyung Kim, Wookjin Lee and Yongho Park
Materials 2021, 14(10), 2588; https://0-doi-org.brum.beds.ac.uk/10.3390/ma14102588 - 16 May 2021
Cited by 15 | Viewed by 2308
Abstract
This study aims to explore the wear performance of maraging 18Ni-300 steel, fabricated via laser powder bed fusion (LPBF). The building direction dependence of wear resistance was investigated with various wear loads and in terms of ball-on-disk wear tests. The effect of direct [...] Read more.
This study aims to explore the wear performance of maraging 18Ni-300 steel, fabricated via laser powder bed fusion (LPBF). The building direction dependence of wear resistance was investigated with various wear loads and in terms of ball-on-disk wear tests. The effect of direct aging heat treatment, i.e., aging without solution heat treatment, on the wear performance was investigated by comparing the wear rates of directly aged samples, followed by solution heat treatment. The effect of counterpart material on the wear performance of the maraging steel was studied using two counterpart materials of bearing steel and ZrO2 balls. When the bearing steel ball was used as the counterpart material, both the as-built and heat-treated maraging steel produced by the LPBF showed pronounced building direction dependence on their wear performance when the applied wear load was sufficiently high. However, when the ZrO2 ball was used as the counterpart material, isotropic wear resistance was reported. The maraging steel produced by the LPBF demonstrated excellent wear resistance, particularly when it was aging heat-treated and the counterpart material was ZrO2. The directly aged sample showed wear performance almost the same as the sample solution heat-treated and then aged, indicating that direct aging can be used as an alternative post heat treatment for tribological applications of the maraging steels produced by LPBF. Full article
(This article belongs to the Special Issue Recent Advances in Additive Manufacturing of Metallic Materials)
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