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Applied Sciences
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Advanced Composite Materials and Structures: Innovations and Applications
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Advanced Composite Materials and Structures: Innovations and Applications

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

Deadline for manuscript submissions: 30 June 2025 | Viewed by 2467

Special Issue Editors

Dr. Spyridon Psarras

E-Mail Website
Guest Editor
Department of Mechanical Engineering and Aeronautics, University of Patras, 26504 Patras, Greece
Interests: damage tolerance design; finite element (FE) modeling; optimization and parametric modeling; manufacturing and testing procedures
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Kostopoulos Vassilis

E-Mail Website
Guest Editor
Applied Mechanics Laboratory, Mechanical Engineering and Aeronautics Department, University of Patras, Rio Campus, 26500 Patras, Greece
Interests: composite materials and structures; non-destructive testing (NDT) and structural health monitoring; nanocomposites; multifunctionality of materials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Advanced composite materials and structures play a crucial role because they may provide lightweight, highly effective, and adaptable solutions for a variety of sectors. In particular, modern composite materials and structures are crucial for engineering applications. This helps to promote efficiency, sustainability, and technological innovation. Moreover, multifunctional composites are a promising avenue for the advancement of materials science and engineering, since they allow the creation of novel structures with improved functionality and performance for a range of applications.

Articles covering all areas of recent advances in science and technology in this multidisciplinary topic may be found in this Special Issue.

The subjects of interest are as follows:

  • The physical, chemical, mechanical, and other properties of advanced composites, in addition to the materials that compose them.
  • Composite materials that exhibit multiple functionalities beyond their primary structural role.
  • Theoretical and experimental studies linking microscopic to macroscopic behavior.
  • Testing and evaluation, with a focus on environmental effects and reliability.
  • Innovative methods for creating different kinds of composites and creating structural components out of these materials.
  • Design and analysis for particular applications.

It is anticipated that more research in this area will spur new developments and open up fresh possibilities for advanced and multifunctional composite materials across a range of sectors.

Dr. Spyridon Psarras
Prof. Dr. Kostopoulos Vassilis
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

  • advanced composites
  • multifunctional composites
  • enhanced properties
  • design of advanced structures

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Published Papers (2 papers)

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Research

18 pages, 6953 KiB  
Article
Modelling of High-Velocity Impact on Woven Carbon Fibre-Reinforced Plastic Laminate
by Nenad Djordjevic, Rade Vignjevic, Kevin Hughes and Tom De Vuyst
Appl. Sci. 2025, 15(2), 555; https://doi.org/10.3390/app15020555 - 8 Jan 2025
Viewed by 815
Abstract
This paper describes a constitutive model for progressive damage in carbon fibre-reinforced composites (CFRPs), developed in the framework of thermodynamics and coupled with a vector equation of state. This made the constitutive model capable of modelling shock wave propagation within orthotropic materials. Damage [...] Read more.
This paper describes a constitutive model for progressive damage in carbon fibre-reinforced composites (CFRPs), developed in the framework of thermodynamics and coupled with a vector equation of state. This made the constitutive model capable of modelling shock wave propagation within orthotropic materials. Damage is incorporated in the model by using reduction in the principal material stiffness based on the effective stress concept and the hypothesis of strain energy equivalence. Damage evolution was defined in terms of a modified Tuler–Bucher criteria. The constitutive model was implemented into Lawrence Livermore National Laboratory (LLNL) DYNA3D nonlinear hydrocode. Simulation results were validated against post-impact experimental data of spherical projectile impact on an aerospace-grade woven CFRP composite panel. Two plate thicknesses were considered and a range of impact velocities above the ballistic limit of the plates, ranging from 194 m/s to 1219 m/s. Other than for the size of the delamination zone in the minor material direction, the discrepancy between the experiments and numerical results for damage and delamination in the CFRP target plates was within 8%. Full article
(This article belongs to the Special Issue Advanced Composite Materials and Structures: Innovations and Applications)
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18 pages, 9183 KiB  
Article
Short-Glass-Fiber Aspect Ratios in Polyamide-6 Composites: Homogenization and Deep Learning-Based Scanning Image-Microscope Segmentation Comparison
by Evgenii Kurkin, Vladislava Chertykovtseva, Andry Sedelnikov, Evgenii Minaev, Ekaterina Kurkina and Andrey Gavrilov
Appl. Sci. 2024, 14(23), 11464; https://doi.org/10.3390/app142311464 - 9 Dec 2024
Viewed by 1193
Abstract
This paper presents a comparative analysis of fiber aspect ratios using scanning electron microscopy (SEM) and the mean field homogenization approach. The novelty of this work lies in an effective fiber length evaluation based on a comparative analysis of fiber aspect ratios using [...] Read more.
This paper presents a comparative analysis of fiber aspect ratios using scanning electron microscopy (SEM) and the mean field homogenization approach. The novelty of this work lies in an effective fiber length evaluation based on a comparative analysis of fiber aspect ratios using scanning electron microscopy (SEM) and the mean field homogenization approach. This makes it possible to use an electron microscope to image fiber samples corresponding to the sample size using microtomography. Molded samples and pellets of four polyamide-6 short-glass fiber-reinforced composites with mass fractions of 15%, 30%, and 50% were considered. The aspect ratio distribution measured by SEM for the investigated materials was 20.25 with a coefficient of variation of 5.1%. The fiber aspect ratio obtained based on mean field homogenization theory and the tensile curve approximation was underestimated at 13.698 with a coefficient of variation of 5.2%. The deviation between the micro- and macro-estimates can be represented as a mean effective aspect ratio of 68% with a coefficient of variation of 8.5%. The developed technology for preparing samples for SEM and automated image processing can be used to study other short-reinforced polymer composite materials. The obtained estimates can serve as a useful reference when calibrating other models of short-fiber-reinforced polymer materials. Full article
(This article belongs to the Special Issue Advanced Composite Materials and Structures: Innovations and Applications)
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