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

Deadline for manuscript submissions: 20 March 2025 | Viewed by 3672

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Special Issue Editors

Dr. Jakub Mesicek

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Faculty of Mechanical Engineering, Department of Machining, Assembly and Engineering Metrology, VSB - Technical University of Ostrava, 70800 Ostrava, Czech Republic
Interests: 3D printing; additive manufacturing; topology optimization; advanced materials; computer-aided engineering; SLS technology; SLM technology; post-processing
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Prof. Dr. Jana Petru

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Faculty of Mechanical Engineering, Department of Machining, Assembly and Engineering Metrology, VSB - Technical University of Ostrava, 70800 Ostrava, Czech Republic
Interests: progressive machining; technology; materials; engineering metrology; additive technology; 3D printing
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Dr. Jiří Hajnyš

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Faculty of Mechanical Engineering, Department of Machining, Assembly and Engineering Metrology, VSB - Technical University of Ostrava, 70800 Ostrava, Czech Republic
Interests: 3D printing; additive manufacturing; advanced materials; computer-aided engineering; metrology; SLM technology; post-processing; SLS technology
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Prof. Dr. Tomasz Kozior

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Faculty of Mechatronics and Mechanical Engineering, Department of Metrology and Unconventional Manufacturing Methods, KUT—Kielce University of Technology, 25-314 Kielce, Poland
Interests: 3D/4D printing; additive manufacturing; FDM/FFF; PJM; SLS; SLM; metrology; tribology
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Dr. Marek Pagáč

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Department of Machining, Assembly and Engineering Technology, Faculty of Mechanical Engineering, VSB-TU Ostrava, 17. Listopadu 2172/15, 708 00 Ostrava-Poruba, Czech Republic
Interests: 3D printing; additive manufacturing; advanced materials; computer-aided engineering; SLM; SLA; DLP; design
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Special Issue Information

Dear Colleagues,

This Special Issue, titled “Recent Advances in Additive Manufacturing in Modern Industry”, is dedicated to presenting the latest advancements in the field of additive manufacturing (AM). Over the past decade, AM has emerged as a transformative technology with widespread applications across various industries.

This Special Issue aims to showcase the current state and progression of knowledge in the realm of AM, exploring its diverse applications and technological innovations. Researchers are invited to contribute original works and reviews that delve into, but are not limited to, the following aspects of AM:

Manufacturing technology;
Numerical simulation;
Design and process optimization;
Material selection and development;
Process monitoring and control;
Energy efficiency and management;
Pre- and post-processing;
Quality control;
Industrial management;
Supply chain;
Sustainability and green economy.

This Special Issue aims to foster discussions and advancements in the realm of AM. Contributions that provide insights into the future directions of this interdisciplinary research are highly encouraged. Researchers are invited to share their expertise and contribute to the collective understanding of the most current progress of AM that shapes the landscape of modern industry.

Dr. Jakub Mesicek
Prof. Dr. Jana Petru
Dr. Jiří Hajnyš
Dr. Tomasz Kozior
Dr. Marek Pagáč
Guest Editors

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

additive manufacturing
smart factory
manufacturing technology

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Published Papers (3 papers)

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Research

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20 pages, 5990 KiB

Open AccessArticle

Design and Assessment of an Austenitic Stainless Alloy for Laser Powder Bed Additive Manufacturing

by Mariam Assi, Julien Favre, Marcin Brykala, Franck Tancret and Anna Fraczkiewicz

Appl. Sci. 2024, 14(19), 8649; https://doi.org/10.3390/app14198649 - 25 Sep 2024

Viewed by 1766

Abstract

Recent developments in metallic additive manufacturing (AM) processes for the production of high-performance industrial pieces have been hampered by the limited availability of reliably processable or printable alloys. To date, most of the alloys used in AM are commercial grades that have been previously optimized for different manufacturing techniques. This study aims to design new alloys specifically tailored for AM processes, to minimize defects in the final products and to optimize their properties. A computational approach is proposed to design novel and optimized austenitic alloy compositions. This method integrates a suite of predictive tools, including machine learning, calculation of phase diagrams (CALPHAD) and physical models, all piloted by a multi-objective genetic algorithm. Within this framework, several material-dependent criteria are examined and their impact on properties and on the occurrence of defects is identified. To validate our approach, experimental tests are performed on a selected alloy composition: powder is produced by gas atomization and samples are fabricated by laser powder bed fusion. The microstructure and mechanical properties of the alloys are evaluated and its printability is compared with a commercial 316L stainless steel taken as a reference. The optimized alloy performs similarly to 316L in terms of coefficient of thermal expansion, hardness and elongation, but has a 17% lower yield strength and ultimate tensile strength (UTS), indicating that further optimization is required. Full article

(This article belongs to the Special Issue Recent Advances of Additive Manufacturing in the Modern Industry)

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18 pages, 7004 KiB

Open AccessArticle

Development of a Novel Transonic Fan Casing Making Use of Rapid Prototyping and Additive Manufacturing

by Andrew Cusator and Nicole L. Key

Appl. Sci. 2024, 14(18), 8400; https://doi.org/10.3390/app14188400 - 18 Sep 2024

Cited by 1 | Viewed by 706

Abstract

Additive manufacturing (AM) presents significant cost savings and lead time reductions because of features inherent to the manufacturing process. The technology lends itself to rapid prototyping due to the streamlined workflow of quickly implementing design changes. Compared to traditional machining, AM techniques are simpler in execution for design engineers because they do not require detailed engineering drawings and they typically make use of the nominal geometry in computer models. A novel transonic fan casing assembly has been developed that makes use of AM inserts surrounding the rotor to provide an opportunity to cost-effectively change the corresponding flowpath. The rapid prototyping design philosophy developed from this work will allow for numerous experimental studies into the effects that different design parameters of casing geometries have on fan aerodynamic performance. A fan stage representative of a small turbofan engine was successfully tested with smooth-walled, additively manufactured inserts as a baseline case for future configurations. Before installing the 3D printed casing assembly, computational thermal stress analysis was performed to reduce the risk in implementation due to the demanding environment associated with the rotor. AM components and materials typically have nonlinear mechanical properties, adding to the complexity of the structural analysis. As part of the research, steady aerodynamic performance was measured over the entire relevant operating range of the fan. Full article

(This article belongs to the Special Issue Recent Advances of Additive Manufacturing in the Modern Industry)

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Review

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22 pages, 4040 KiB

Open AccessReview

Recent Advances in Additive Manufacturing of Fibre-Reinforced Materials: A Comprehensive Review

by Stylianos Liampas, Nikolaos Kladovasilakis, Konstantinos Tsongas and Eleftheria Maria Pechlivani

Appl. Sci. 2024, 14(22), 10100; https://doi.org/10.3390/app142210100 - 5 Nov 2024

Viewed by 667

Abstract

Additive manufacturing (AM) plays a significant role in the 4th Industrial Revolution due to its flexibility, allowing AM equipment to be connected, monitored, and controlled in real time. In advance, the minimum waste of material, the agility of manufacturing complex geometries, and the ability to use recycled materials can provide an advantage to this manufacturing method. On the other hand, the poor strength and durability of the thermoplastics used in the manufacturing process are the major drawback that keeps AM behind common production methods such as casting and machining. Fibre-reinforced polymers can enhance mechanical properties, advance AM from the commonly used polymers, and make AM competitive against conventional production methods. The main focus of the current review is to examine the work conducted in the field of reinforced additively manufactured technologies in the literature of recent years. More specifically, this review discusses the conducted research in the composite fibre coextrusion (CFC) additive manufacturing techniques developed over the past years and the materials that can be used. In addition, this study includes an up-to-date comprehensive review of the evaluation of fibre-reinforced 3D printing along with its benefits in terms of mechanical response, namely tensile, flexural, compression and energy absorption, anisotropy, and dynamic properties. Finally, this review highlights possible research gaps regarding fibre-reinforced AM and proposes future directions, such as deeper investigations into energy absorption and anisotropy, to position fibre-reinforced AM as a preferred fabrication method for ready-to-use parts in cutting-edge industries, including automotive, aerospace, and biomedical sectors. Full article

(This article belongs to the Special Issue Recent Advances of Additive Manufacturing in the Modern Industry)

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