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J. Compos. Sci.
Special Issues
Multiscale Composite Materials Characterization – Manufacturing, Testing and Structural Integrity...
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Multiscale Composite Materials Characterization – Manufacturing, Testing and Structural Integrity Analysis

A special issue of Journal of Composites Science (ISSN 2504-477X). This special issue belongs to the section "Composites Manufacturing and Processing".

Deadline for manuscript submissions: closed (30 June 2022) | Viewed by 5388

Special Issue Editors

Dr. Grzegorz Lesiuk

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Guest Editor
Faculty of Mechanical Engineering, Wroclaw University of Science and Technology, Wrocław, Poland
Interests: fatigue; fracture; failure analysis; modeling; materials behaviour; composite testing
Dr. Ana Pavlovic

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Guest Editor
Department of Industrial Engineering, University of Bologna, Bologna, Italy
Interests: composites; finite element method; design optimization; additive manufacturing
Dr. Olha Zvirko

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Guest Editor
Karpenko Physico-Mechanical Institute of National Academy of Sciences of Ukraine, Lviv, Ukraine
Interests: materials degradation; physical chemistry; nanostructures; damage mechanics
Special Issues, Collections and Topics in MDPI journals
Dr. Michał Barcikowski

E-Mail Website
Guest Editor
Department of Mechanics, Materials Science and Engineering, Wroclaw University of Science and Technology, Wroclaw, Poland
Interests: composites; materials chemistry; polymers; materials engineering; technology; pressure vessels and pipes
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This special issue is primarily devoted to issues related to strength and optimization of composite structures - mainly, but not limited to, polymer matrix composites. The most important objective of the collected works is to model the behaviour of composites in the production phase, as well as under mechanical and environmental stresses. Particularly valuable will be the works showing the methodology of modelling (analytical and numerical) from the sub-micro scale up to the global behaviour of composite systems.  It is also highly recommended to expect papers related to applying new materials and technologies with respect to mechanical performance and materials behaviour in terms of modelling various phenomena (creep, fatigue) and many other factors that constitute materials reliability in engineering applications. Accordingly, continued improvements on reliability assessment have been possible through the accurate modeling of failure mechanisms in lightweight composite structures by introducing advanced mathematical approaches/tools. Through combining the deterministic and probabilistic modeling techniques, research on failure mechanism and reliability can provide assurance for new structures at the design stage and ensure the integrity in the construction at the fabrication phase. As the modelling is only as good as the input data, valuable addition would be also experimental mechanics aimed at improved understanding of the materials behaviour.The aim of this issue would be to provide the data, models and tools necessary to performing structural integrity and lifetime prediction of composite structures using various length scales, resulting in the use of advanced mathematical, numerical and experimental techniques.

Dr. Olha Zvirko
Dr. Michał Barcikowski
Dr. Grzegorz Lesiuk
Dr. Ana Pavlovic
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. Journal of Composites Science is an international peer-reviewed open access monthly 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 1800 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

  • Multiscale modeling
  • Composites
  • Damage
  • Layered structures
  • Numerical analysis
  • Manufacturing technology
  • Mechanical behaviour
  • Degradation
  • Additive manufactuirng in composites
  • 3D printing
  • Polymer based on AM
  • Measurements and Quality Control

Published Papers (3 papers)

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Research

20 pages, 6829 KiB  
Article
Manufacture and Characterization of Cola Lépidota Reinforcements for Composite Applications
by Rémy Legrand Ndoumou, Damien Soulat, Ahmad Rashed Labanieh, Manuela Ferreira, Lucien Meva’a and Jean Atangana Ateba
J. Compos. Sci. 2023, 7(2), 65; https://0-doi-org.brum.beds.ac.uk/10.3390/jcs7020065 - 06 Feb 2023
Cited by 4 | Viewed by 1019
Abstract
This study represents the first works on the manufacture of reinforcements for composite applications such as yarns and fabrics using a tropical fiber extracted from the bast of the Cola Lepidota (CL) plant. Different types of products were produced, including twisted and untwisted [...] Read more.
This study represents the first works on the manufacture of reinforcements for composite applications such as yarns and fabrics using a tropical fiber extracted from the bast of the Cola Lepidota (CL) plant. Different types of products were produced, including twisted and untwisted yarns and woven and quasi-unidirectional fabrics to manufacture composite samples. At each scale, experimental characterizations of textile and mechanical properties were carried out; these properties are compared to those given in the literature concerning natural fiber materials. The results show that the tenacity of twisted and untwisted CL yarns is higher than that of similar products based on flax fibers, which is an important result for the weaveability of these rovings. At the fabric scale, the quasi-unidirectional architecture reduces waviness and shows promising tensile properties compared to woven fabrics. On the scale of composites, these developments made it possible to achieve properties in tensile comparable, particularly in stiffness, to those achieved by composites based on natural fibers. The objectives of this paper are to highlight the advantages and drawbacks of different types of reinforcements, and to present the first characterization of the properties of products based on CL fibers. Full article
(This article belongs to the Special Issue Multiscale Composite Materials Characterization – Manufacturing, Testing and Structural Integrity Analysis)
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24 pages, 13518 KiB  
Article
Composite Single Lap Shear Joint Integrity Monitoring via Embedded Electromechanical Impedance Sensors
by Steven P. Caldwell and Donald W. Radford
J. Compos. Sci. 2023, 7(2), 53; https://0-doi-org.brum.beds.ac.uk/10.3390/jcs7020053 - 02 Feb 2023
Viewed by 1282
Abstract
Composite bonded structure is a prevalent portion of today’s aircraft structure. Adequate bond integrity is a critical aspect of fabrication and service, especially since many of today’s structural bonds are critical for flight safety. Over the last decade, non-destructive bond evaluation techniques have [...] Read more.
Composite bonded structure is a prevalent portion of today’s aircraft structure. Adequate bond integrity is a critical aspect of fabrication and service, especially since many of today’s structural bonds are critical for flight safety. Over the last decade, non-destructive bond evaluation techniques have improved but still cannot detect a structurally weak bond that exhibits full adherend/adhesive contact. The result is that expensive and time-consuming structural proof testing continues to be required to verify bond integrity. The objective of this work is to investigate the feasibility of bondline integrity monitoring using piezoelectric sensors, embedded at different locations within the composite joint, and to assess the benefits of monitoring the thickness mode in addition to the radial mode. Experiments and analyses are performed on single lap shear composite joints, with and without embedded sensors, subjected to incrementally increasing tensile loads. The results indicate that the embedded piezoelectric sensors measure a change in the resonance in both the radial and thickness mode during incremental loading and that the thickness resonance shows enhanced sensitivity to impending failure. Thus, it is demonstrated that monitoring both modes of the piezoelectric sensor provides addition details for prognostic performance evaluation. Full article
(This article belongs to the Special Issue Multiscale Composite Materials Characterization – Manufacturing, Testing and Structural Integrity Analysis)
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13 pages, 4116 KiB  
Article
Effect of Rubber Heat Treatment on Rubberized-Concrete Mechanical Performance
by Abdelrahman Swilam, Ahmed M. Tahwia and Osama Youssf
J. Compos. Sci. 2022, 6(10), 290; https://0-doi-org.brum.beds.ac.uk/10.3390/jcs6100290 - 02 Oct 2022
Cited by 9 | Viewed by 2555
Abstract
To eliminate the unfavorable effect of the accumulation of end-of-life car tires on the environment, many studies have been conducted to recycle those tires in concrete as a partial or full replacement of its natural aggregates. However, the produced rubberized concrete suffers from [...] Read more.
To eliminate the unfavorable effect of the accumulation of end-of-life car tires on the environment, many studies have been conducted to recycle those tires in concrete as a partial or full replacement of its natural aggregates. However, the produced rubberized concrete suffers from low compressive strength due to low adhesion at the rubber/cement interface. Pre-treating of rubber surfaces before use in concrete is the most effective way to overcome this adverse effect on the concrete strength. Several studies introduced different methods to enhance rubberized-concrete strength through pre-treating rubber particles, especially when using a high content of rubber in concrete. This study presents the results of experimental work on the effect of heat treatment on crumb-rubber–concrete mechanical performance. Rubber contents of 40%, 60% and 80% of sand volume were the variables in this study. Workability, density, compressive strength, and impact resistance were the measurements in this experimental work. The results showed that using saturated-surface dry (SSD) rubber can eliminate the adverse effect on concrete slump when using a high rubber volume or the heat-treated rubber. Using heat-treated rubber at 200 °C for 2 h as 40%, 60%, and 80% displayed compressive strength recoveries of 14.9%, 10.4% and 9.7%, respectively. Heat treatment of 40%, 60%, and 80% rubber contents increased the impact resistance for ultimate failure by 57%, 28%, and 7%, respectively, compared with those of the control mix. The thermal treatment enhanced the impact resistance at ultimate failure by 37%, 28%, and 15%, respectively, for mixes containing 40%, 60%, and 80% rubber contents compared with those of as-received rubber. Full article
(This article belongs to the Special Issue Multiscale Composite Materials Characterization – Manufacturing, Testing and Structural Integrity Analysis)
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