3D Printing Technologies and Additive Manufacturing: Recent Advances and Applications

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

Deadline for manuscript submissions: 20 December 2024 | Viewed by 388

Special Issue Editors


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Guest Editor
Laboratory of Mechanics Paris-Saclay (LMPS), Université Paris-Saclay, CentraleSupélec, ENS Paris-Saclay, CNRS, 4 Av. des Sciences, 91190 Gif-sur-Yvette, France
Interests: additive-manufacturing; composite materials; plasticity and damage mechanics

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Guest Editor
National Center for Additive Manufacturing Excellence (NCAME), Department of Mechanical Engineering, Auburn University, Auburn, AL 36849, USA
Interests: fatigue and fracture mechanics; additive manufacturing; post-processing; surface treatments; machine learning
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Special Issue Information

Dear Colleagues,

Additive manufacturing (AM) is a computer-aided fabrication technology that allows the creation of a physical object from a digital model. It is the opposite of conventional, i.e., subtractive manufacturing as it relies on adding successive layers of material to build parts of any geometric shape. AM offers several advantages over traditional manufacturing. These include higher design flexibility and simplified fabrication, alongside reduced material usage and waste, for example. Today, AM has created a paradigm shift across several sectors of industry and academic research, enabling the design of more sustainable engineering components and products. Examples comprise, but are not limited to, weight-saving parts for the aerospace and automotive industry, patient-specific medical implants and new-to-market energy storage devices.

This Special Issue aims to cover recent advances and applications in the broad field of AM. Contributions, either in the form of reviews and research articles, are invited. Topics can focus on, but are not restricted to, the following:

  • AM materials (e.g. multi-graded, functionally graded, active and biochemical materials);
  • Technologies for 3D printing (e.g., powder bed fusion, direct energy deposition, and material jetting);
  • Applications of AM (e.g., in energy storage, healthcare, and structural lightweighting);
  • Topology optimization for AM (e.g., by artificial intelligence, AI);
  • The experimental characterization of additively manufactured materials and components (e.g., via X-ray tomography, in-situ testing, and acoustic emission);
  • The modeling and simulation of AM processes.

Dr. Gabriella Tarantino
Dr. Erfan Maleki
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

  • lightweighting
  • energy storage
  • sustainability
  • healthcare
  • 3D-printing technology
  • X-ray tomography
  • inverse design
  • modeling
  • topology optimization

Published Papers (1 paper)

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Research

11 pages, 2045 KiB  
Article
Investigation of the Photothermal Performance of the Composite Scaffold Containing Light-Heat-Sensitive Nanomaterial SiO2@Fe3O4
by Changpeng Shan, Yan Xu and Shengkai Li
Appl. Sci. 2024, 14(11), 4911; https://doi.org/10.3390/app14114911 - 5 Jun 2024
Viewed by 226
Abstract
The objective of this investigation was to fabricate a photothermally responsive composite bone scaffold aimed at facilitating bone tissue regeneration and remedying bone defects via mild thermal stimulation. The photothermal-sensitive nanomaterial SiO2 coated Fe3O4 (SiO2@Fe3O [...] Read more.
The objective of this investigation was to fabricate a photothermally responsive composite bone scaffold aimed at facilitating bone tissue regeneration and remedying bone defects via mild thermal stimulation. The photothermal-sensitive nanomaterial SiO2 coated Fe3O4 (SiO2@Fe3O4), synthesized through the hydrolysis–condensation process of tetraethyl orthosilicate (TEOS), displayed a uniform distribution of SiO2 coating, effectively preventing the aggregation of Fe3O4 particles within the scaffold matrix. The composite scaffold containing 5% mass fraction of photothermal-sensitive nanoparticles exhibited evenly dispersed microstructural porosity, a compressive strength of 5.722 MPa, and a water contact angle of 58.3°, satisfying the mechanical property requisites of cancellous bone while demonstrating notable hydrophilic characteristics. Upon exposure to near-infrared light at ambient temperature, the 5% composite scaffold underwent a temperature elevation of 3–6 °C within 40–45 s, attaining a temperature range (40–43 °C) conducive to fostering osteogenic differentiation. Experimental findings validated that the SiO2@Fe3O4/polyvinyl alcohol (PVA)/hydroxyapatite (HA)/polycaprolactone (PCL)/β-tricalcium phosphate (β-TCP) bone scaffold showcased outstanding mechanical and photothermal attributes, thereby presenting a pioneering avenue for advancing bone tissue cell proliferation and addressing bone defect rehabilitation. Full article
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