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Design and Application of Additive Manufacturing: 4th Edition

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

Deadline for manuscript submissions: 20 April 2026 | Viewed by 1192

Special Issue Editor


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Guest Editor
Department of Mechanical Engineering, University of Las Palmas de Gran Canaria, 35017 Las Palmas, Spain
Interests: manufacturing processes; additive manufacturing; design optimization; finite element analysis; biomaterials and natural fibre applications; additive manufacturing for tissue engineering applications
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The success of our previous three volumes of the Special Issue “Design and Application of Additive Manufacturing” underlines that the issues of additive manufacturing are still open and require further research. This fact has encouraged us to create a fourth Special Issue under the same title that will further present State-of-the-Art advances in additive manufacturing (AM).

Additive manufacturing (AM) is continuously improving and offering innovative alternatives to conventional manufacturing techniques. The advantages of AM, such as design freedom and low-cost production for short series and prototyping, can be exploited in different sectors by replacing or complementing traditional manufacturing methods. For this to happen, the combination of design, materials, and technology must be deeply analyzed for every specific application. Despite the continuous progress of AM, there is still a need for further investigation in terms of the design, materials, and applications to boost AM implementation in the manufacturing industry as well as other sectors, especially in those where short and personalized series productions could be useful (e.g., the medical sector). This Special Issue aims to publish high-level research articles involving the design, materials, and applications of AM, including innovative design approaches where AM is applied to improve the currently used techniques; design and modelling methodologies for specific AM applications; design optimization (also driven by numerical methods such as finite element analysis) for pioneering uses of AM; innovative design and applications of functionally graded additive manufacturing and 4D printing; the combination of design, materials, and AM for advanced tissue engineering applications and biosensors; the development of synthetic models for the medical sector, taking advantage of AM capabilities; and the application of more sustainable materials in AM, etc. The proposals must focus on the application of AM, including the design methodologies used and the experimental characterizations needed according to the specific materials and requirements of the intended applications.

Prof. Dr. Rubén Paz
Guest Editor

Manuscript Submission Information

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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

  • additive manufacturing
  • innovative applications
  • design
  • materials
  • simulation
  • optimization

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Published Papers (2 papers)

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Research

8 pages, 2333 KB  
Article
Influence of Model Design and Printing Orientation on the Dimensional Accuracy of 3D-Printed Models for Implant-Supported Restorations
by Felix Förtsch, Antonius Klemt, Valentin Kabst, Harald Schwandner, Manfred Wichmann and Ragai Edward Matta
Materials 2026, 19(3), 516; https://doi.org/10.3390/ma19030516 - 28 Jan 2026
Viewed by 247
Abstract
Dimensional accuracy of 3D-printed implant models is essential for precise implant-supported restorations. The objective of this study was to evaluate the influence of printing orientation and model base design on the accuracy of implant position transfer. A standardized maxillary model with four implants [...] Read more.
Dimensional accuracy of 3D-printed implant models is essential for precise implant-supported restorations. The objective of this study was to evaluate the influence of printing orientation and model base design on the accuracy of implant position transfer. A standardized maxillary model with four implants was scanned using an intraoral scanner. Solid and hollow models were designed and printed using digital light processing (DLP) technology at orientations of 0°, 45°, and 90° (n = 10 per group). All models were digitized with a high-precision industrial scanner, and implant position deviations were determined by comparing corresponding reference points with the master model. Data were analyzed using two-way analysis of variance and post hoc tests (α = 0.05). Printing orientation significantly affected accuracy (p < 0.001). Models printed at 45° showed the highest deviations, whereas those printed at 0° and 90° exhibited comparable and superior accuracy. Model design (solid vs. hollow) had no significant influence at 0° and 90°, but hollow models were more accurate at 45° (p < 0.001). Mean deviations ranged from 131 μm to 382 μm. Printing at 0° or 90° is recommended, while 45° orientations should be avoided. Model design showed minimal effect on accuracy. Full article
(This article belongs to the Special Issue Design and Application of Additive Manufacturing: 4th Edition)
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16 pages, 2675 KB  
Article
The Use of Acoustic Emission to Determine the Safe Range of Operational Stresses of 3D-Printed ABS Polymer Components
by Krzysztof Dudzik, Patryk Krawulski, Robert Starosta and Burkhard Ziegler
Materials 2025, 18(21), 4834; https://doi.org/10.3390/ma18214834 - 22 Oct 2025
Viewed by 698
Abstract
This work proposes using acoustic emission during a static tensile test to determine the stress characteristics of the initial phase of the destruction process of elements printed using the material extrusion (MEX) additive method at various printing parameters. The changed parameters were layer [...] Read more.
This work proposes using acoustic emission during a static tensile test to determine the stress characteristics of the initial phase of the destruction process of elements printed using the material extrusion (MEX) additive method at various printing parameters. The changed parameters were layer height, print orientation, filling ratio, and nozzle temperature. ABS material was chosen for printing. The experiment was carried out according to the Taguchi plan. The analysis of the results showed that changes in printing parameters significantly impact the mechanical properties of the tested elements. The parameter that had the greatest impact on strength was the filling ratio. Maximum tensile strength was achieved with the following printing parameters: 0.24 mm layer, 30°, 100% infill, 275 °C, concentric pattern. The results can be the basis for optimizing the additive printing process and improving the efficiency and reliability of manufactured components. The results of recorded acoustic emissions during strength tests allow the identification of stresses characteristic of the initial phase of the destruction process of the tested material. This phase is the elastic-visco-plastic transition, and the use of the AE method enables its detection 2–5 s earlier than the static tensile test. This allows us to determine the safe range of stresses when using the mentioned materials, which is particularly helpful in designing structures or spare parts. The test results showed that the critical stress for the investigated components is approximately 6 MPa, and exceeding this value is associated with the risk of unsafe operation. Full article
(This article belongs to the Special Issue Design and Application of Additive Manufacturing: 4th Edition)
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