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Current Technologies in Laser Fabrication

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Optics and Lasers".

Deadline for manuscript submissions: closed (31 January 2024) | Viewed by 1517

Special Issue Editor


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Guest Editor
Institute for Photonics and Nanotechnologies, Italian National Research Council, 7, 00185 Rome, Italy
Interests: ultrafast laser ablation; laser surface processing; generation bursts of ultrashort laser pulses; laser–matter interaction; superhydrophobicity

Special Issue Information

Dear Colleagues,

Recently, lasers have revolutionized the manufacturing methods of almost any conventional and novel material, i.e., from metals to glass and crystals, as a result of the wide variety of laser sources made available in recent years in terms of average power, pulse duration, repetition rate. Their flexibility has allowed them to stand out as one of the most powerful tools in several industrial application fields.

This Special Issue will cover a wide range of current laser technologies for fabrication, from the application of high-power lasers in welding, cutting and additive manufacturing/3D printing, to high-precision micro- and nano-fabrication using ultrafast lasers for disparate applications, e.g., photovoltaics, microfluidics, biomedicine, friction reduction, water harvesting, and anti-icing, among others.

Dr. Caterina Gaudiuso
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. 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

  • laser material processing
  • laser welding
  • laser cutting
  • additive manufacturing
  • laser surface texturing
  • ultrafast lasers
  • high-power lasers

Published Papers (2 papers)

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Editorial

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3 pages, 197 KiB  
Editorial
Laser Fabrication: A Solid Present for the Brightest Future
by Caterina Gaudiuso
Appl. Sci. 2023, 13(19), 10831; https://doi.org/10.3390/app131910831 - 29 Sep 2023
Cited by 1 | Viewed by 510
Abstract
“A solution seeking a problem”: this is how the laser was famously defined by its own developer upon its first appearance on the scientific and technological stage [...] Full article
(This article belongs to the Special Issue Current Technologies in Laser Fabrication)

Research

Jump to: Editorial

10 pages, 3880 KiB  
Article
Through the Forming Process of Femtosecond-Laser Nanotextured Sheets for Production of Complex 3D Parts
by Girolamo Mincuzzi, Alexandra Bourtereau, Laura Gemini, Sergi Parareda, Sylwia Rzepa, Martina Koukolíková, Pavel Konopík and Rainer Kling
Appl. Sci. 2023, 13(22), 12500; https://doi.org/10.3390/app132212500 - 20 Nov 2023
Cited by 1 | Viewed by 760
Abstract
The use of ultra-short pulse lasers in the kW range, combined with an appropriate beam engineering approach, enables the achievement of high-throughput production of laser-functionalised surfaces. However, the manufacturing of complex parts still faces various challenges, such as difficulties in accessing regions with [...] Read more.
The use of ultra-short pulse lasers in the kW range, combined with an appropriate beam engineering approach, enables the achievement of high-throughput production of laser-functionalised surfaces. However, the manufacturing of complex parts still faces various challenges, such as difficulties in accessing regions with high aspect ratio shapes or intricate profiles, which often leads to the necessity of adapting the laser processing workstation to specific geometries. The forming process is a well-established technique for producing parts of any shape from metallic foils by imposing specific constraints. In this study, we aimed to assess the feasibility of producing laser-functionalised 3D complex products by the forming of laser-treated flat thin metallic sheets. Two-hundred micrometre-thick stainless-steel foils were textured with laser-induced periodic surface structures (LIPSS) through a roll-to-roll pilot line. First, we optimized the morphology of LIPSS. Subsequently, we conducted three types of mechanical tests on both laser-treated and untreated foils: standard tensile tests, fatigue tests, and cruciform specimen tests. We measured and compared parameters such as ultimate tensile strength, breaking strength, maximum elongation, and area reduction between specimens with and without LIPSS, all obtained from the same foil. Additionally, we utilized scanning electron microscopy (SEM) to compare the LIPSS morphology of laser-treated samples before and after mechanical tests. Full article
(This article belongs to the Special Issue Current Technologies in Laser Fabrication)
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