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Advances in 3D Printing/Additive Manufacturing Technology of Materials
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Advances in 3D Printing/Additive Manufacturing Technology of Materials

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

Deadline for manuscript submissions: closed (20 May 2024) | Viewed by 1693

Special Issue Editor

Dr. Jong-Ho Shin

E-Mail Website
Guest Editor
Department of Industrial Engineering, Chosun University, Gwangju, 61452, Republic of Korea
Interests: artificial intelligence in manufacturing systems; PHM; smart factory
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Three-dimensional printing/additive manufacturing, a transformative approach to industrial production, enables the creation of complex physical objects from digital design files. It has changed from rapid prototyping to the manufacturing of end-use products and has undergone significant advancements over the past few years. Recent 3D printing/additive manufacturing technology highlights the evolution in material diversity, featuring an array of metals, polymers, and composite materials tailored for enhanced functional attributes. It also has focused on improvements in printing precision and resolution, and has been critical for sectors that demand extreme accuracy, such as biomedical applications and aerospace engineering. The technology's contributions include reducing the time and cost of production; enabling rapid and cost-effective customization that was previously unfeasible; and illuminating the path towards sustainable manufacturing through material efficiency and minimized waste. Moreover, the integration of AI, machine learning, the Internet of Things (IoT), and automated production lines with advanced 3D printing technologies heralds a new era of smart manufacturing. This Special Issue aims to discuss these advances in order to open up new possibilities in a variety of industries and address ongoing challenges and future perspectives.

Dr. Jong-Ho Shin
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. 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

  • 3D printing
  • additive manufacturing
  • artificial intelligence
  • material
  • process

Published Papers (3 papers)

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Research

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15 pages, 17776 KiB  
Article
Microwave-Induced Processing of Free-Standing 3D Printouts: An Effortless Route to High-Redox Kinetics in Electroanalysis
by Kornelia Kozłowska, Mateusz Cieślik, Adrian Koterwa, Krzysztof Formela, Jacek Ryl and Paweł Niedziałkowski
Materials 2024, 17(12), 2833; https://doi.org/10.3390/ma17122833 - 10 Jun 2024
Viewed by 440
Abstract
3D-printable composites have become an attractive option used for the design and manufacture of electrochemical sensors. However, to ensure proper charge-transfer kinetics at the electrode/electrolyte interface, activation is often required, with this step consisting of polymer removal to reveal the conductive nanofiller. In [...] Read more.
3D-printable composites have become an attractive option used for the design and manufacture of electrochemical sensors. However, to ensure proper charge-transfer kinetics at the electrode/electrolyte interface, activation is often required, with this step consisting of polymer removal to reveal the conductive nanofiller. In this work, we present a novel effective method for the activation of composites consisting of poly(lactic acid) filled with carbon black (CB-PLA) using microwave radiation. A microwave synthesizer used in chemical laboratories (CEM, Matthews, NC, USA) was used for this purpose, establishing that the appropriate activation time for CB-PLA electrodes is 15 min at 70 °C with a microwave power of 100 W. However, the usefulness of an 80 W kitchen microwave oven is also presented for the first time and discussed as a more sustainable approach to CB-PLA electrode activation. It has been established that 10 min in a kitchen microwave oven is adequate to activate the electrode. The electrochemical properties of the microwave-activated electrodes were determined by electrochemical techniques, and their topography was characterized using scanning electron microscopy (SEM), Raman spectroscopy, and contact-angle measurements. This study confirms that during microwave activation, PLAs decompose to uncover the conductive carbon-black filler. We deliver a proof-of-concept of the utility of kitchen microwave-oven activation of a 3D-printed, free-standing electrochemical cell (FSEC) in paracetamol electroanalysis in aqueous electrolyte solution. We established satisfactory limits of linearity for paracetamol detection using voltammetry, ranging from 1.9 μM to 1 mM, with a detection limit (LOD) of 1.31 μM. Full article
(This article belongs to the Special Issue Advances in 3D Printing/Additive Manufacturing Technology of Materials)
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Review

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24 pages, 5331 KiB  
Review
Material Extrusion Additive Manufacturing of Ceramics: A Review on Filament-Based Process
by Roberto Spina and Luigi Morfini
Materials 2024, 17(11), 2779; https://doi.org/10.3390/ma17112779 - 6 Jun 2024
Viewed by 481
Abstract
Additive manufacturing is very important due to its potential to build components and products using high-performance materials. The filament-based 3D printing of ceramics is investigated, revealing significant developments and advancements in ceramic material extrusion technology in recent years. Researchers employ several typologies of [...] Read more.
Additive manufacturing is very important due to its potential to build components and products using high-performance materials. The filament-based 3D printing of ceramics is investigated, revealing significant developments and advancements in ceramic material extrusion technology in recent years. Researchers employ several typologies of ceramics and binders to achieve fully dense products. The design of the filament and the necessary technological adaptations for 3D printing are fully investigated. From a material perspective, this paper reviews and analyzes the recent developments in additive manufacturing of material-extruded ceramics products, pointing out the performance and properties achieved with different material-binder combinations. The main gaps to be filled and recommendations for future developments in this field are reported. Full article
(This article belongs to the Special Issue Advances in 3D Printing/Additive Manufacturing Technology of Materials)
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24 pages, 11296 KiB  
Review
How to Improve the Curing Ability during the Vat Photopolymerization 3D Printing of Non-Oxide Ceramics: A Review
by Xiong Gao, Jingyi Chen, Xiaotong Chen, Wenqing Wang, Zengchan Li and Rujie He
Materials 2024, 17(11), 2626; https://doi.org/10.3390/ma17112626 - 29 May 2024
Viewed by 418
Abstract
Vat photopolymerization (VP), as an additive manufacturing process, has experienced significant growth due to its high manufacturing precision and excellent surface quality. This method enables the fabrication of intricate shapes and structures while mitigating the machining challenges associated with non-oxide ceramics, which are [...] Read more.
Vat photopolymerization (VP), as an additive manufacturing process, has experienced significant growth due to its high manufacturing precision and excellent surface quality. This method enables the fabrication of intricate shapes and structures while mitigating the machining challenges associated with non-oxide ceramics, which are known for their high hardness and brittleness. Consequently, the VP process of non-oxide ceramics has emerged as a focal point in additive manufacturing research areas. However, the absorption, refraction, and reflection of ultraviolet light by non-oxide ceramic particles can impede light penetration, leading to reduced curing thickness and posing challenges to the VP process. To enhance the efficiency and success rate of this process, researchers have explored various aspects, including the parameters of VP equipment, the composition of non-oxide VP slurries, and the surface modification of non-oxide particles. Silicon carbide and silicon nitride are examples of non-oxide ceramic particles that have been successfully employed in VP process. Nonetheless, there remains a lack of systematic induction regarding the curing mechanisms and key influencing factors of the VP process in non-oxide ceramics. This review firstly describes the curing mechanism of the non-oxide ceramic VP process, which contains the chain initiation, chain polymerization, and chain termination processes of the photosensitive resin. After that, the impact of key factors on the curing process, such as the wavelength and power of incident light, particle size, volume fraction of ceramic particles, refractive indices of photosensitive resin and ceramic particles, incident light intensity, critical light intensity, and the reactivity of photosensitive resins, are systematically discussed. Finally, this review discusses future prospects and challenges in the non-oxide ceramic VP process. Its objective is to offer valuable insights and references for further research into non-oxide ceramic VP processes. Full article
(This article belongs to the Special Issue Advances in 3D Printing/Additive Manufacturing Technology of Materials)
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