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Recent Advances and Applications of Laser-Based Additive Manufacturing

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Additive Manufacturing Technologies".

Deadline for manuscript submissions: 20 February 2025 | Viewed by 735

Special Issue Editors


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Guest Editor
General Engineering Research Institute, Faculty Engineering and Technology, Liverpool John Moores University, GERI Building, 3 Byrom Street, Liverpool L3 3AF, UK
Interests: laser-based additive manufacturing; corrosion; metallurgy; ceramic; polymers; tribocorrosion; tribology; laser processing; molecular dynamic simulation; polishing process

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Guest Editor
General Engineering Research Institute, Faculty Engineering and Technology, Liverpool John Moores University, GERI Building, 3 Byrom Street, Liverpool L3 3AF, UK
Interests: machining; additive manufacturing; digital manufacturing; process and condition monitoring
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
General Engineering Research Institute, Faculty Engineering and Technology, Liverpool John Moores University, GERI Building, 3 Byrom Street, Liverpool L3 3AF, UK
Interests: laser materials processing with particular interests in laser texturing and other surface treatments; processing of carbon fibre reinforced polymers; additive manufacturing; laser hardening; cutting and drilling; growing interest in digital twinning of laser processes

Special Issue Information

Dear Colleagues,

Laser additive manufacturing is one of the most popular new technologies in the manufacturing field. This is because it permits the generation of metallic complex structures, as well as the creation of new alloys and super isotropic alloys with new properties.

The possibility of designing metallic structures and properties has caught the attention of several industrial sectors such as biomedicine, construction, power, automotive, aerospace, and microelectronics. Various methods to carry out laser additive manufacturing currently exist, each with their own advantages and disadvantages. All methods, however, possess high reproducibility, automatization, precision, and environmental friendliness. New laser additive manufacturing methods are also in development.

This Special Issue will focus on specimens fabricated with laser additive manufacturing methods.

Subjects of interest include new laser additive manufacturing methods, the production of new alloys, and structure fabrication with traditional methods. Additionally, the evaluation and assessment of the chemical, physical, and mechanical properties of these new samples will be covered by this Special issue.

Dr. Juan Ignacio Ahuir-Torres
Dr. Tahsin Öpöz
Dr. Martin Sharp
Guest Editors

Manuscript Submission Information

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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. Applied Sciences 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 2400 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 bed fusion
  • selective laser sintering
  • selective laser melting
  • direct energy deposition
  • spatial light modulator
  • material jetting
  • stereolithography
  • super isotropic alloys
  • mechanical properties
  • biomaterial
  • corrosion

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Published Papers (1 paper)

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Research

13 pages, 3857 KiB  
Article
A Study of the Corrosion Resistance of 316L Stainless Steel Manufactured by Powder Bed Laser Additive Manufacturing
by Juan Ignacio Ahuir-Torres, Andrew Burgess, Martin Charles Sharp, Tahsin Tecelli Öpöz, Sean P. Malkeson, Peter L. Falkingham, Robert I. Darlington and Samuel Tammas-Williams
Appl. Sci. 2024, 14(17), 7471; https://doi.org/10.3390/app14177471 - 23 Aug 2024
Viewed by 499
Abstract
Commercially available 316L (1.4404) stainless steel is commonly used for industrial filtration due to its combination of good material properties, particularly its corrosion resistance, which is a critical factor for filters in corrosive (e.g., saltwater) environments. Recently, laser powder bed fusion (LPBF) has [...] Read more.
Commercially available 316L (1.4404) stainless steel is commonly used for industrial filtration due to its combination of good material properties, particularly its corrosion resistance, which is a critical factor for filters in corrosive (e.g., saltwater) environments. Recently, laser powder bed fusion (LPBF) has enabled new more complex and efficient filtration pieces to be manufactured from this material. However, it is critical to know how the corrosion resistance is affected by this manufacturing strategy. Here, the corrosion resistance of LPBF manufactured 316L stainless steel is compared with wrought 316L sheet. The corrosion of the samples in saltwater was assessed with asymmetric electrochemical noise, potentiodynamic polarisation curve, and electrochemical impedance spectroscopy. The samples before and after corrosion were examined with scanning electron microscopy and energy-dispersive spectroscopy. The LPBF samples had higher corrosion resistance than the sheet samples and were more noble. The corrosion resistance of the LPBF sample increased with time, while the wrought sample corrosion resistance reduced over time. The corrosion mechanism of both samples was stable with time, formed of a passive film process and a bared material process. This paper presents the first study about the temporal evolution of the LPBF 316L stainless steel corrosion mechanism. Full article
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