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Methodology of the Design and Testing of Composite Structures (2nd Edition)

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Advanced Composites".

Deadline for manuscript submissions: 20 November 2025 | Viewed by 1817

Special Issue Editors


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Guest Editor
Faculty of Mechanical Engineering, Bialystok University of Technology, 45C Wiejska Str., PL-15351 Bialystok, Poland
Interests: mechanical engineering; strength of materials; composite materials; piezoelectric actuators; supply systems; alternative fuels
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Faculty of Mechanical Engineering, Bialystok University of Technology, 45C Wiejska Str., PL-15351 Bialystok, Poland
Interests: mechanical engineering; combustion; supply systems; fuels; alternative fuels; alternative sources of propulsion
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Faculty of Mechanical Engineering, Bialystok University of Technology, 45C Wiejska Str., PL-15351 Bialystok, Poland
Interests: mechanical engineering; friction; tribology; supply systems; alternative fuels
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Composites are now being used in many key areas of the economy, such as the automotive, aerospace, defense and construction industries. Compared to common homogeneous materials, composites exhibit better thermal, electrical, tribological and mechanical properties. This is due to the fact that, in composite materials, the best features of the matrix (e.g., ductility, fracture toughness, low specific weight) and the particles embedded therein (e.g., high strength, high elastic modulus, wear resistance, desired thermal or electrical conductivity) are combined. Moreover, the coexistence, within a single composite material, of two different phases implies the presence of physical phenomena that are characteristic of each of them. The combination of these phenomena can lead to the occurrence of a new physical phenomenon; thus, such a composite exhibits new functional attributes.

Undoubtedly, the final durability/functional attributes of a composite are most influenced by the mechanical and physical properties of its individual material phases. However, the manufacturing technology used and the distribution, geometry and size of the particles embedded in the matrix are also important. It should be noted that a change in even one of the above-mentioned factors impacts the effective properties of the composite. Thus, there is a well-reasoned need to determine such properties before implementing and manufacturing newly engineered composite materials. Most often, it is achieved through experimental research. This approach has both advantages and disadvantages. A major advantage is related to the capture of mechanical parameters directly in the tests. As for the disadvantages, experimental research is time-consuming and has high costs. Nevertheless, the laboratory step of establishing the mechanical and physical properties of the composite is crucial and cannot be omitted in any way. Therefore, it is advisable to pre-determine the structure of the composite, with the desired mechanical and physical properties, using other methods (e.g., predictive models), and then carry out laboratory testing of the produced composite.

The scope of this Special Issue will provide a forum for reports on the following topics:

  • Manufacturing of composite materials;
  • Analytical and numerical modeling of composite materials;
  • Test methods for composite materials and structures;
  • Experimental procedures for establishing averaged mechanical and physical properties of composites;
  • Analytical and numerical models for predicting averaged mechanical and physical properties of composites;
  • New trends in composite materials.

Dr. Grzegorz Mieczkowski
Dr. Dariusz Szpica
Dr. Andrzej Borawski
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. 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

  • composites
  • composite design
  • identification and prediction of effective physical and mechanical properties of composites

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Related Special Issue

Published Papers (2 papers)

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Research

15 pages, 4549 KiB  
Article
Polytetrafluoroethylene and Aluminum Powder as an Alternative to Copper in Car Brakes Composite Friction Materials
by Andrzej Borawski, Dariusz Szpica and Grzegorz Mieczkowski
Materials 2025, 18(3), 589; https://doi.org/10.3390/ma18030589 - 28 Jan 2025
Viewed by 695
Abstract
Brakes are one of the most important systems of every vehicle. They have an undoubted impact on safety. Their effects produce wear products, which in the case of conventional composition of friction materials also means the content of copper in compounds emitted into [...] Read more.
Brakes are one of the most important systems of every vehicle. They have an undoubted impact on safety. Their effects produce wear products, which in the case of conventional composition of friction materials also means the content of copper in compounds emitted into the atmosphere. Its harmful effect makes it necessary to look for an alternative that will replace its excellent lubricating and thermal properties. This article presents prototype materials in which attempts were made to replace copper with powdered aluminum and polytetrafluoroethylene. Four types of samples were prepared—one group with a conventional composition, and three groups with an alternative composition, in different proportions. Using the previously developed methodology, friction tests were performed. As a result, the values of friction coefficients and abrasive wear rate were determined. The results show that the proposed material is characterized by lower values of the coefficient of friction and a higher value of the abrasive wear rate coefficient. Full article
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21 pages, 2929 KiB  
Article
Porosity Effects on the Composite Girder by Rheological Dynamics and FEM
by Nataša Mrđa Bošnjak, Dragan D. Milašinović, Danica Goleš, Jelena Gučević and Arpad Čeh
Materials 2024, 17(23), 5779; https://doi.org/10.3390/ma17235779 - 25 Nov 2024
Viewed by 721
Abstract
A theoretical model for porous viscoelastoplastic (VEP) materials in the dry state is investigated in this research study. The model is based on the principles of conservation of mass and energy using the rheological dynamic theory (RDT). The model provides expressions for the [...] Read more.
A theoretical model for porous viscoelastoplastic (VEP) materials in the dry state is investigated in this research study. The model is based on the principles of conservation of mass and energy using the rheological dynamic theory (RDT). The model provides expressions for the creep coefficient, Poisson’s ratio, modulus of elasticity, damage variable, and strength as a function of porosity and/or void volume fraction (VVF). The reliability of the proposed model was analyzed by comparing numerical results with experimental ones on hardened concrete. A numerical model was created and analyzed in the commercial software Abaqus and validated by comparison with experimental data obtained by geodetic measurements on a composite wood–lightweight concrete girder. The deflections and stresses of the beam resulting from the influence of concrete creep and porosity were analyzed at the initial moment of time and after 6 years. The results showed that the RDT provided a reliable model for estimating parameters after exposure to long-term loads. Full article
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