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Polymers
Special Issues
Advances in Braided Polymer Composites
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Advances in Braided Polymer Composites

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Applications".

Deadline for manuscript submissions: closed (30 November 2021) | Viewed by 10113

Special Issue Editors

Dr. Tommaso Scalici

E-Mail Website
Guest Editor
School of Mechanical and Aerospace Engineering, Queen’s University Belfast, Belfast, UK
Interests: experimental mechanics of composite materials; failure mechanism; morphologiacal analysis
Dr. Giuseppe Catalanotti

E-Mail Website
Guest Editor
Advanced Composites Research Group (ACRG), School of Mechanical and Aerospace Engineering, Queen’s University Belfast, University Road, Belfast BT7 1NN, UK
Interests: structural integrity of advanced polymer composites; composite structures

Special Issue Information

Dear Colleagues,

Braided polymer composites are characterised by excellent structural stability and damage tolerance. They are versatile and highly conformable, ideal for high production rates. Finally, their fibre architecture can be tailored to specific applications. All this has attracted increasing interest from the automotive, marine, aeronautic and sports industries, and the use of braided polymer composites is foreseen to increase more in the following years.

Despite all this, several technological aspects related to the use of 2D and 3D braided technical textiles are not fully understood and need to be clarified.

This Special Issue aims to present cutting edge advances in the application of braided polymer composites, including, but not limited to, the following topics:

  • Mechanical behaviour;
  • ·Failure mechanisms;
  • Ply-level hybridization;
  • Failure criteria;
  • Numerical simulations;
  • Advanced applications;
  • Manufacturing processes;
  • Simulation of the manufacturing process;
  • Ageing behaviour;
  • Textile architectures.

As guest editors of the Special Issue titled “Advances in Braided Polymer Composites”, it is our great pleasure to invite you to contribute to this topic with your most original and recent results in this expanding field.

Dr. Tommaso Scalici
Dr. Giuseppe Catalanotti
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. Polymers 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 2700 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

  • braided composites
  • mechanical behaviour
  • failure mechanism
  • failure criteria for braided composites
  • manufacturing process
  • ageing behaviour
  • textile architecture
  • fibre architecture

Published Papers (3 papers)

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Research

14 pages, 5159 KiB  
Article
Effects of Micro-Braiding and Co-Wrapping Techniques on Characteristics of Flax/Polypropylene-Based Hybrid Yarn: A Comparative Study
by Wenqian Zhai, Peng Wang, Xavier Legrand, Damien Soulat and Manuela Ferreira
Polymers 2020, 12(11), 2559; https://doi.org/10.3390/polym12112559 - 31 Oct 2020
Cited by 11 | Viewed by 2302
Abstract
Micro-braiding and co-wrapping techniques have been developed over a few decades and have made important contributions to biocomposites development. In this present study, a set of flax/polypropylene (PP) micro-braided and co-wrapped yarns was developed by varying different PP parameters (PP braiding angles and [...] Read more.
Micro-braiding and co-wrapping techniques have been developed over a few decades and have made important contributions to biocomposites development. In this present study, a set of flax/polypropylene (PP) micro-braided and co-wrapped yarns was developed by varying different PP parameters (PP braiding angles and PP wrapping turns, respectively) to get different flax/PP mass ratios. The effects on textile and mechanical characteristics were studied thoroughly at the yarn scale, both dry- and thermo-state tensile tests were carried out, and tensile properties were compared before and after the braiding process to study the braidabilities. It was observed that PP braiding angles of micro-braided yarn influenced the frictional damage on surface treatment agent of flax roving, the cohesive effect between PP filaments/flax roving, and the PP cover factor; PP wrapping turns of co-wrapped yarn had a strong impact on the flax roving damage and the PP coverage, which further influenced the characteristics. Micro-braided yarn and co-wrapped yarn with the same flax/PP mass ratio were compared to evaluate the two different hybrid yarn production techniques; it was proven that micro-braided yarn presented better performance. Full article
(This article belongs to the Special Issue Advances in Braided Polymer Composites)
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18 pages, 4568 KiB  
Article
Dynamic Mechanical Behavior Analysis of Flax/Jute Fiber-Reinforced Composites under Salt-Fog Spray Environment
by Vincenzo Fiore, Carmelo Sanfilippo and Luigi Calabrese
Polymers 2020, 12(3), 716; https://doi.org/10.3390/polym12030716 - 24 Mar 2020
Cited by 36 | Viewed by 3786
Abstract
Over the last decades, natural fiber-reinforced polymer composites (NFRPs) gained great attention in several engineering fields thanks to the reduction of the environmental impact and the end-of-life cost disposal. Unfortunately, the use of NFRPs is limited, mainly due to their weak resistance against [...] Read more.
Over the last decades, natural fiber-reinforced polymer composites (NFRPs) gained great attention in several engineering fields thanks to the reduction of the environmental impact and the end-of-life cost disposal. Unfortunately, the use of NFRPs is limited, mainly due to their weak resistance against humid environments. Since limited literature is available about the evolution of the dynamic mechanical response of NFRPs under aggressive environments, this paper aims to investigate the damping properties of flax, jute and flax/jute epoxy composites exposed to salt-fog up to 60 days. Furthermore, sodium bicarbonate fiber treatment was performed to improve the composites’ durability. The effectiveness of treatment was evidenced for full flax-reinforced composites, whereas no beneficial effect was found for jute composites. Moreover, treated hybrid laminates having outer laminae reinforced with flax showed better damping behavior than their hybrid counterparts during the whole aging campaign. Full article
(This article belongs to the Special Issue Advances in Braided Polymer Composites)
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13 pages, 4811 KiB  
Article
Influence of Hybridization on Tensile Behaviors of Non-Absorbable Braided Polymeric Sutures
by Moqaddaseh Afzali Naniz, Mahdi Bodaghi, Majid Safar Johari and Ali Zolfagharian
Polymers 2020, 12(3), 682; https://doi.org/10.3390/polym12030682 - 19 Mar 2020
Cited by 7 | Viewed by 3259
Abstract
This paper aims to investigate the effects of fiber hybridization technique on the mechanical behaviors of non-absorbable braided composite sutures. Fifteen types of hybrid braided sutures (HBSs) made of polyester (PET), polypropylene (PP), and polyamide 6 (PA6) are produced and tested to measure [...] Read more.
This paper aims to investigate the effects of fiber hybridization technique on the mechanical behaviors of non-absorbable braided composite sutures. Fifteen types of hybrid braided sutures (HBSs) made of polyester (PET), polypropylene (PP), and polyamide 6 (PA6) are produced and tested to measure ultimate tensile strength (UTS), maximum strain, elastic modulus, and breaking toughness. Based on the results, it is observed that the suture material plays a significant role in the tensile and mechanical performance of HBSs, and they can be tailored through the different combinations of yarns according to the required mechanical properties. Experiments exhibit occurrence positive hybrid effect in both maximum strain and elastic modulus, and negative hybrid effect in UTS. The optimal tensile performance is associated with the hybrid structure comprising 75% PA6-12.5% PET-12.5% PP. This means the ternary structure with higher PA6 content along with PP and PET, demonstrates a synergistic effect. Thus, such a ternary composite structure is very promising for the design of novel non-absorbable sutures. Due to the absence of similar results in the specialized literature, this paper is likely to advance the state-of-the-art composite non-absorbable sutures and contribute to a better understanding of the hybridization concept for optimizing composite material systems. Full article
(This article belongs to the Special Issue Advances in Braided Polymer Composites)
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