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Modelling and Simulation of Mechanical Properties for Additive Manufacturing Material

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

Deadline for manuscript submissions: 30 November 2025 | Viewed by 689

Special Issue Editors


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Guest Editor
Faculty of Mechanical Engineering, Bydgoszcz University of Science and Technology, al. Prof. S. Kaliskiego 7, 85-796 Bydgoszcz, Poland
Interests: fatigue; S-N curve; analytical methods; Weibull distribution; fatigue reliability
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Faculty of Mechanical Engineering, Bydgoszcz University of Science and Technology, al. Prof. S. Kaliskiego 7, 85-796 Bydgoszcz, Poland
Interests: numerical methods in mechanical engineering; finite element method; dynamic loads; crash tests; road safety; unmanned aerial systems
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Faculty of Mechanical Engineering, Bydgoszcz University of Science and Technology, al. Prof. S. Kaliskiego 7, 85-796 Bydgoszcz, Poland
Interests: fracture mechanics; experimental analysis; reduced temperatures
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Materials Research and Technology, Luxembourg Institute of Science and Technology, L-4940 Hautcharage, Luxembourg
Interests: additive manufacturing; functional composites; polymer processing; polymer recycling; stimuli-responsive polymers
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Mechanical Engineering, University of Coimbra, 3030-788 Coimbra, Portugal
Interests: fatigue behavior; additive manufacturing; multiaxial fatigue; damage accumulation; notch effect; low-cycle fatigue
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Additive manufacturing is widely used in prototyping and low-volume production due to its flexibility and efficiency. This technology offers several significant advantages, such as the ability to manufacture intricate geometries that would be challenging or impossible with traditional methods. Additionally, AM produces minimal material waste compared to conventional manufacturing, making it more environmentally friendly, and it enables the rapid production of new parts, which is crucial for accelerating design cycles and innovation.

However, despite these benefits, additive manufacturing has notable limitations. One of the key challenges is that components produced through additive manufacturing often exhibit inferior mechanical properties when compared to those manufactured using traditional techniques, such as casting or forging. These shortcomings can include reduced strength, toughness, or fatigue resistance, which are critical for ensuring the long-term durability and performance of parts. The anisotropic nature of additive manufacturing materials, where properties vary depending on the build direction, further complicates their behavior under mechanical loads.

Given these concerns, it is essential to model and simulate how the mechanical properties of additive manufacturing materials differ from the base materials used in their production. By understanding these variations, researchers and engineers can better predict the performance of parts made with additive manufacturing methods in real-world applications and develop strategies to enhance their properties, ensuring their suitability for more demanding industrial applications.

We invite researchers to contribute to the Special Issue on "Modelling and Simulation of Mechanical Properties for Additive Manufacturing Material". This Special Issue aims to present the latest findings on the structural, mechanical, and fatigue or fracture properties of components produced via AM. Contributions may cover a wide range of topics, including but not limited to numerical simulations, experimental investigations, material characterization, and optimization of AM processes. We encourage submissions that explore how the unique characteristics of materials used in additive manufacturing influence their mechanical performance and offer insights into improving their reliability and applicability in various fields.

Dr. Przemysław Strzelecki
Dr. Michał Stopel
Dr. Maciej Kotyk
Dr. Joamin Gonzalez-Gutierrez
Dr. Ricardo Branco
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
  • mechanical property
  • fatigue property
  • analytical model
  • numerical simulation
  • failure analysis
  • structural integrity

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Published Papers (2 papers)

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Research

17 pages, 1278 KB  
Article
Optimizing Printing Temperature and Post-Curing Time for Enhanced Mechanical Property and Fabrication Reproducibility of 3D-Printed Dental Photopolymer Resins
by Ji-Min Lee, Keunbada Son and Kyu-Bok Lee
Appl. Sci. 2025, 15(21), 11552; https://doi.org/10.3390/app152111552 - 29 Oct 2025
Viewed by 148
Abstract
This study aims to evaluate the effects of printing temperature and post-curing duration on double-bond conversion (DBC), mechanical properties, and fabrication reproducibility of three dental photopolymer resins used for fixed dental prostheses (FDPs), denture bases, and direct clear aligners. Specimens were fabricated using [...] Read more.
This study aims to evaluate the effects of printing temperature and post-curing duration on double-bond conversion (DBC), mechanical properties, and fabrication reproducibility of three dental photopolymer resins used for fixed dental prostheses (FDPs), denture bases, and direct clear aligners. Specimens were fabricated using stereolithography and masked stereolithography three-dimensional (3D) printers at room temperature (RT, 28 °C) and 50 °C, then subjected to six post-curing durations: 0, 60, 120, 180, 240, and 600 s. DBC was measured using Fourier transform infrared spectroscopy, and tensile strength was measured using tensile testing. Furthermore, fabrication reproducibility for clinical applicability was analyzed using root mean square deviations from 3D scanning. Printing at 50 °C significantly improved the DBC, tensile strength, and fabrication reproducibility of FDP and denture base resins compared to printing at RT, enabling shorter post-curing times (p < 0.001). Clearer aligner resin specimens printed at 50 °C and post-cured for 120 s exhibited the highest fabrication reproducibility (p < 0.001), while tensile strength did not differ significantly from that of RT specimens post-cured for 240 s (p > 0.05). These findings suggest that optimizing printing temperature and post-curing time enhances the mechanical properties and fabrication reproducibility of 3D-printed dental materials. Full article
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17 pages, 13766 KB  
Article
Reduction in Reflection Signal Losses in Complex Terahertz Optical Elements Through Tailored Oil Application
by Mateusz Kaluza, Adrianna Nieradka, Mateusz Surma, Wojciech Krauze and Agnieszka Siemion
Appl. Sci. 2025, 15(20), 11167; https://doi.org/10.3390/app152011167 - 17 Oct 2025
Viewed by 305
Abstract
In complex terahertz (THz) systems, multiple optical elements are often combined to achieve advanced functionalities. However, unwanted Fresnel reflections at their interfaces and between components lead to parasitic interference effects and signal losses. This study presents oil-based refractive-index-matching fillers integrated with additively manufactured [...] Read more.
In complex terahertz (THz) systems, multiple optical elements are often combined to achieve advanced functionalities. However, unwanted Fresnel reflections at their interfaces and between components lead to parasitic interference effects and signal losses. This study presents oil-based refractive-index-matching fillers integrated with additively manufactured assemblies to suppress Fresnel reflections and enhance overall optical system performance. The optical properties of 20 plant-based, synthetic, and mineral oils were investigated using terahertz time-domain spectroscopy (THz TDS). Furthermore, a multilayer structure was designed and experimentally verified, fabricated via fused deposition modeling (FDM) using highly transparent cyclic olefin copolymer (COC). The results demonstrate that the use of tailored oils reduces Fresnel reflection signal losses and also mitigates parasitic interference within the system, thereby improving the effective efficiency of the optical system. Additionally, THz TDS measurements on multilayer structures revealed that, in imaging configurations, the application of refractive-index-matched oils increases the signal gain by 2.33 times. These findings highlight the potential of oil-based index-matching fillers for imaging multilayered objects and mitigating delamination effects in optical elements. Full article
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