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Rising Stars in Additive Manufacturing

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Manufacturing Processes and Systems".

Deadline for manuscript submissions: 20 January 2025 | Viewed by 1251

Special Issue Editors


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Guest Editor
Multidisciplinary Research Center, Cardinal Stefan Wyszynski University in Warsaw, Warsaw, Poland
Interests: additive manufacturing; titanium alloys; chemical polishing; cellular structures; implants; bioengineering; AI/ML
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
1. Research Group 3D Innovation, Stellenbosch University, Stellenbosch 7602, South Africa
2. Object Research Systems, Montreal, QC, Canada
Interests: X-ray tomography and biomimicry; additive manufacturing (quality control & structural integrity, lattice structures & topology optimization)
Department of Plastic Surgery, Ohio State University, Columbus, OH 43210, USA
Interests: skeletal reconstructive surgery; point-of-care manufacturing; biomanufacturing; biofabrication; virtual surgical planning
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Additive manufacturing (AM) is a technology that enables the creation of functional parts with design freedom, making it a popular choice in various industrial sectors. Recent advancements in AM techniques have opened up many opportunities in terms of reducing the materials used and fabrication costs. This is thanks to a reduced number of elements in industrial devices. AM techniques also enable the relatively easy production of complex geometries such as cellular solids, metamaterials, and biomimetic materials, many of which were once difficult to manufacture using conventional techniques. These objects can be fabricated from various metals and polymers using computer-aided design (CAD) models.

This Special Issue aims to collect high-quality papers from excellent young researchers and welcomes submissions on the additive manufacturing of elements with predicted microstructure and mechanical properties, the use of artificial intelligence/machine learning (AI/ML), numerical algorithms, and µ-CT imaging for quality control.

Despite the possibility of fabricating objects of any shape in one production step, AM manufacturing has some disadvantages. One of these is the requirement to generate support structures for the parts fabricated by various processes. Such support should dissipate the heat generated during the 3D-printing process, minimize the geometrical distortions induced by internal stresses, and support overhang structures. This Special Issue will cover computer simulations and improved fabrication protocols that address these issues.

During powder-in-bed AM processes, not all powder particles are melted, and therefore the removal of any unmelted particles needs to be performed with mechanical or chemical post-processing methods. This Special Issue is dedicated to various areas of research relevant to AM, including both polymer and metal. Processing parameters and post-processing methods (not limited to annealing and chemical modifications) are of particular interest. We also welcome submissions improving the design of materials through various AM techniques and modifications to commercial machines.

This Special Issue continues the series “Progress in Additive Manufacturing: Design, Fabrication and Post Processing”.

Dr. Bartłomiej Wysocki
Prof. Dr. Anton Du Plessis
Dr. David Dean
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. 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 (AM) / 3D printing
  • process optimization
  • design approaches and process simulations
  • standardization and quality control
  • am post-processing
  • numerical algorithms, artificial intelligence and machine learning
  • new materials, processes and systems

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Published Papers (1 paper)

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Research

15 pages, 2706 KiB  
Article
A Study of Directionality Effects in Three-Beam Coaxial Titanium Wire-Based Laser Metal Deposition
by Remy Mathenia, Braden McLain, Todd Sparks and Frank Liou
Materials 2024, 17(13), 3201; https://doi.org/10.3390/ma17133201 - 30 Jun 2024
Viewed by 712
Abstract
Coaxial wire-based laser metal deposition is a versatile and efficient additive process that can achieve a high deposition rate in the manufacturing of complex structures. In this paper, a three-beam coaxial wire system is studied, with particular attention given to the effects of [...] Read more.
Coaxial wire-based laser metal deposition is a versatile and efficient additive process that can achieve a high deposition rate in the manufacturing of complex structures. In this paper, a three-beam coaxial wire system is studied, with particular attention given to the effects of the deposition direction and laser beam orientation on the resulting bead geometry symmetry. With the three-beam laser delivery, the laser spot pattern is not always symmetric with respect to the deposition direction. Single titanium beads are deposited in different directions and at varying deposition rates, and the bead profile is quantitatively scored for multiple symmetry measures. Through an analysis of variance, the deposition direction and deposition rate were found to be insignificant with respect to the resulting bead symmetry for the developed measures. The bead symmetry and geometry are important factors in determining if a build is free of critical defects, and in this study, it is shown that the three-beam coaxial wire deposition setup is a directionally independent process. Full article
(This article belongs to the Special Issue Rising Stars in Additive Manufacturing)
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