Special Issue "3D Printing of Metals"

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Mechanical Engineering".

Deadline for manuscript submissions: 15 April 2018

Special Issue Editor

Guest Editor
Assoc. Prof. Manoj Gupta

Materials Group, Department of Mechanical Engineering, NUS, 9 Engineering Drive 1, 117576 Singapore
Website | E-Mail
Interests: processing; characterization; lightweight materials; nanocomposites

Special Issue Information

Dear Colleagues,

3D printing is rapidly emerging as a key manufacturing technique, capable of serving a wide spectrum of applications, ranging from engineering to biomedical sector. Its ability to form both simple and intricate shapes through computer-controlled graphics enables it to create a niche in manufacturing sector. Key challenges remain and a great deal of research is required to develop 3D printing technology for all classes of materials including polymers, metals, ceramics and composites. In view of the growing importance of 3D manufacturing worldwide, this Special Issue is launched aiming to seek original articles to further assist in the development of this promising technology from both scientific and technological perspectives. Targeted reviews including mini-reviews are also welcome as they play a crucial role in educating students and young researchers.

Assoc. Prof. Manoj Gupta
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. Applied Sciences 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 1200 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.


  • Processing
  • Characterization
  • Properties (physical, mechanical, thermal, chemical properties etc.)
  • Numerical simulation
  • Applications (automotive, aviation, consumer electronics, sports, bio-medical etc.)

Published Papers (1 paper)

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Open AccessArticle Comparison of Laser-Engraved Hole Properties between Cold-Rolled and Laser Additive Manufactured Stainless Steel Sheets
Appl. Sci. 2017, 7(9), 913; doi:10.3390/app7090913
Received: 16 August 2017 / Revised: 30 August 2017 / Accepted: 4 September 2017 / Published: 6 September 2017
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Laser drilling and laser engraving are common manufacturing processes that are found in many applications. With the continuous progress of additive manufacturing (3D printing), these processes can now be applied to the materials used in 3D printing. However, there is a lack of
[...] Read more.
Laser drilling and laser engraving are common manufacturing processes that are found in many applications. With the continuous progress of additive manufacturing (3D printing), these processes can now be applied to the materials used in 3D printing. However, there is a lack of knowledge about how these new materials behave when processed or machined. In this study, sheets of 316L stainless steel produced by both the traditional cold rolling method and by powder bed fusion (PBF) were laser drilled by a nanosecond pulsed fiber laser. Results were then analyzed to find out whether there are measurable differences in laser processing parts that are produced by either PBF (3D printing) or traditional steel parts. Hole diameters, the widths of burn effects, material removal rates, and hole tapers were measured and compared. Additionally, differences in microstructures of the samples were also analyzed and compared. Results show negligible differences in terms of material processing efficiency. The only significant differences were that the PBF sample had a wider burn effect, and had some defects in the microstructure that were more closely analyzed. The defects were found to be shallow recesses in the material. Some of the defects were deep within the material, at the end and start points of the laser lines, and some were close to the surfaces of the sample. Full article
(This article belongs to the Special Issue 3D Printing of Metals)

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