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Applied Sciences
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Advanced Composite Materials and Structures for Engineering Applications
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Advanced Composite Materials and Structures for Engineering 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 2492

Special Issue Editors

Dr. Roberto Torre

E-Mail Website
Guest Editor
European Space Agency (ESA), European Astronaut Centre (EAC), Linder Höhe, 51147 Cologne, Germany
Interests: additive manufacturing; UAVs; composite structures and 3D shell models
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Salvatore Brischetto

E-Mail Website1 Website2
Guest Editor
Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Corso Duca Degli Abruzzi 24, 10129 Torino, Italy
Interests: smart composite and FGM structures; multifield problems; hygro-thermal stress analysis; CNTs; inflatable structures; shell 3D and 2D numerical and exact solutions; additive manufacturing and UAVs
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We are pleased to announce the Special Issue "Advanced Composite Materials and Structures for Engineering Applications" in Applied Sciences. This Special Issue aims to showcase the latest advancements and innovations in composite materials and structures, focusing on their diverse applications in engineering. Composites have emerged as essential materials in various industries due to their optimized mechanical properties, lightweight nature, and versatility. This Special Issue seeks to bring together researchers, engineers, and practitioners to present their cutting-edge research, methodologies, and case studies related to advanced composite materials and structures.

Topics of interest include, but are not limited to, the following:

  • Novel composite material synthesis and characterization techniques;
  • Advanced manufacturing processes for composite structures;
  • Multifunctional composites for aerospace, automotive, marine, and civil engineering applications;
  • Structural health monitoring and damage assessment of composite structures;
  • Sustainable and eco-friendly composite materials;
  • Computational modeling and simulation of composite materials and structures.

We invite researchers to submit original research articles, reviews, and perspectives that advance the understanding and application of composite materials and structures in engineering. Join us in shaping the future of composite materials and their pivotal role in engineering innovation.

Dr. Roberto Torre
Prof. Dr. Salvatore Brischetto
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

  • composite materials
  • advanced structures
  • composite structures
  • multifunctional composites
  • structural health monitoring
  • sustainable materials
  • computational modeling

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Published Papers (2 papers)

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Research

20 pages, 2953 KiB  
Article
Regolith-Rich PEEK Composite Bricks: Steps Towards Space-Ready Lunar Construction Materials
by Roberto Torre, Carlo Giovanni Ferro, Lorenzo Bono and Aidan Cowley
Appl. Sci. 2025, 15(2), 679; https://doi.org/10.3390/app15020679 - 11 Jan 2025
Viewed by 598
Abstract
This study introduces a novel composite construction material composed of lunar regolith combined with PEEK in dry powder form. The work demonstrates significant advantages over alternative methods, primarily by reducing production power consumption and simplifying the manufacturing process. Building on previous research that [...] Read more.
This study introduces a novel composite construction material composed of lunar regolith combined with PEEK in dry powder form. The work demonstrates significant advantages over alternative methods, primarily by reducing production power consumption and simplifying the manufacturing process. Building on previous research that explored binder optimization through process simplification and targeting predefined shapes, this work delves deeper into a comparative analysis of high-performance thermoplastics. Among the various options, PEEK demonstrates the most favorable properties. The study investigates key processing parameters and evaluates the effects of vacuum processing and temperature testing on mechanical properties. The research also evaluates the effects of vacuum processing and temperature testing to assess the material’s performance under lunar conditions. Comparative analysis is performed with standard performance of various reinforced and unreinforced concretes and with standard requirements for construction bricks as per ASTM standards. This shows that the composite, with an organic binder content as low as 5 wt%, has great potential. Notably, the improvements achieved through vacuum curing ensure compliance with lunar environmental conditions and alignment with most Earth-based engineering standards. Samples compacted at 7.50 MPa with 10 wt% binder, and tested at room temperature, achieve a compression strength of 16.3 MPa, exceeding that of industrial floor bricks and matching that of building bricks used on Earth. Bending strength (7.4 MPa) aligns with steel fiber-reinforced and high-strength concretes. Vacuum curing further enhances these properties, with an observed increase of +66% in bending strength and +33% in compression strength. Full article
(This article belongs to the Special Issue Advanced Composite Materials and Structures for Engineering Applications)
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18 pages, 10798 KiB  
Article
Friction and Wear Performance of a Hydraulic Motor Roller/Piston Pair Contact Lined with the Self-Lubricating Bearing Bush Modified by PEEK
by Ying Li, Xuanxuan Han, Xueshi Cui, Ziyang Wang and Jin Zhang
Appl. Sci. 2024, 14(14), 6011; https://doi.org/10.3390/app14146011 - 10 Jul 2024
Cited by 1 | Viewed by 1357
Abstract
Poly Ether Ether Ketone (PEEK) is a kind of special engineering plastic with excellent properties such as high-temperature resistance, self-lubrication, wear resistance, and high mechanical strength. However, its blending or composite modification applications still face numerous challenges. The primary objective of this research [...] Read more.
Poly Ether Ether Ketone (PEEK) is a kind of special engineering plastic with excellent properties such as high-temperature resistance, self-lubrication, wear resistance, and high mechanical strength. However, its blending or composite modification applications still face numerous challenges. The primary objective of this research was to evaluate the friction and wear performance of a three-layer self-lubricating bearing bush, which was made from a modified material containing short carbon fiber and Poly Ether Ether Ketone (SCF/PEEK). The bearing bush is used as a surface contact layer on the pistons of a hydraulic motor in the interface with the cam roller. The bearing bush was processed using a 15% SCF-modified PEEK material, and the friction and wear test was conducted using a self-built friction test machine. This study aimed to assess the frictional and wear characteristics of the SCF/PEEK-modified material in the bearing bush. The results show that as the experimental pressure rises from 15 MPa to 25 MPa, the friction coefficient of the SCF-modified bearing bush experiences a significant decrease from 0.420 to 0.296. Furthermore, the stability of the frictional morphology of carbon fibers indicates its effective adaptability to low speed and high load conditions. Full article
(This article belongs to the Special Issue Advanced Composite Materials and Structures for Engineering Applications)
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