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Mechanics and Design of Advanced Composite Structures

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

Deadline for manuscript submissions: 20 March 2025 | Viewed by 1824

Special Issue Editors

School of System Design and Intelligent Manufacturing (SDIM), Southern University of Science and Technology, Shenzhen 518055, China
Interests: additive manufacturing; composites; modelling; design optimisation; metamaterials
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Guest Editor
School of System Design and Intelligent Manufacturing (SDIM), Southern University of Science and Technology, Shenzhen 518055, China
Interests: nano-mechanics; nano-tribology; nano-fiber composite materials; Piezo-electricity and Flexo-electricity of 2D materials;

Special Issue Information

Dear Colleagues,

Advanced composites, e.g., continuous/short fibre or particle-reinforced composite structures, etc., are attracting increasing attention in industrial applications due to their excellent performance, i.e., high mechanical properties in terms of stiffness- and strength-to-weight ratios, when compared to their counterparts. In recent years, significant advances have been witnessed in the mechanics and design of composite structures with respect to novel design, fabrication, and characterisation methods. As such, this Special Issue has a particular focus on, but is not limited to, the mechanics and design of advanced composites, with respect to advanced design, fabrication, and characterisation for high-performance composite materials/structures.

Some particular subjects are mentioned here for reference and submission, e.g.,

  • Continuous/short fibre/particle-reinforced composites.
  • New theoretical or numerical methods.
  • Dynamic impact and responses.
  • Damage mechanisms and tolerance.
  • Structural analysis and design optimisation.
  • Fatigue and life-cycle assessment.
  • Structural health monitoring.
  • Interface properties and strength.
  • Constitutive relations and multiscale modelling.
  • Composite sandwich structures and others.
  • Advances in the mechanics and design of advanced composites.

In this Special Issue, research-, development-, and application-related submissions on the mechanics of advanced composites and all other related domains are welcomed.

Dr. Yuan Chen
Dr. Quanzhou Yao
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

  • composite structures
  • modelling
  • damage mechanisms
  • structural analysis
  • design optimization
  • fatigue
  • interface properties
  • impact
  • fibre-reinforced composites

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Published Papers (1 paper)

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Research

19 pages, 11841 KiB  
Article
Modelling of Fatigue Delamination Growth and Prediction of Residual Tensile Strength of Thermoplastic Coupons
by Niki Tsivouraki, Konstantinos Tserpes and Ioannis Sioutis
Materials 2024, 17(2), 362; https://doi.org/10.3390/ma17020362 - 11 Jan 2024
Cited by 2 | Viewed by 1303
Abstract
Thermoplastic composites are continuously replacing thermosetting composites in lightweight structures. However, the accomplished work on the fatigue behavior of thermoplastics is quite limited. In the present work, we propose a numerical modeling approach for simulating fatigue delamination growth and predicting the residual tensile [...] Read more.
Thermoplastic composites are continuously replacing thermosetting composites in lightweight structures. However, the accomplished work on the fatigue behavior of thermoplastics is quite limited. In the present work, we propose a numerical modeling approach for simulating fatigue delamination growth and predicting the residual tensile strength of quasi-isotropic TC 1225 LM PAEK thermoplastic coupons. The approach was supported and validated by tension and fatigue (non-interrupted and interrupted) tests. Fatigue delamination growth was simulated using a mixed-mode fatigue crack growth model, which was based on the cohesive zone modeling method. Quasi-static tension analyses on pristine and fatigued coupons were performed using a progressive damage model. These analyses were implemented using a set of Hashin-type strain-based failure criteria and a damage mechanics-based material property degradation module. Utilizing the fatigue model, we accurately foretold the expansion of delamination concerning the cycle count across all interfaces. The results agree well with C-scan images taken on fatigued coupons during interruptions of fatigue tests. An unequal and unsymmetric delamination growth was predicted due to the quasi-isotropic layup. Moreover, the combined models capture the decrease in the residual tensile strength of the coupons. During the quasi-static tension analysis of the fatigued coupons, we observed that the primary driving failure mechanisms were the rapid spread of existing delamination and the consequential severe matrix cracking. Full article
(This article belongs to the Special Issue Mechanics and Design of Advanced Composite Structures)
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