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Polymers
Special Issues
Preparation and Performance Study of Polymer-Based Textile Composites
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Preparation and Performance Study of Polymer-Based Textile Composites

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

Deadline for manuscript submissions: closed (15 December 2022) | Viewed by 10268

Special Issue Editors

Prof. Dr. Peng Wang

E-Mail Website
Guest Editor
ENSISA, University of Haute-Alsace, Mulhouse, France
Interests: textile composites; textile reinforcements; composite forming; mechanics of fibrous materials; process simulation
Dr. Shenglei Xiao

E-Mail Website
Guest Editor
School of Mechanical Engineering, Dalian University of Technology, Dalian, China
Interests: textile reinforcements; composites mechanics; composites manufacturing; textile composites; fibre friction

Special Issue Information

Dear Colleagues,

Due to their stimulating properties, composites carry on attracting researchers from the engineering domain, continuing to fascinate our life in all aspects. Most of these properties originate from their mechanical performance, which can be designed as desired to provide faultless conditions suiting different and difficult circumstances. In recent decades, improving the mechanical performance of composites has given rise to advancements in manufacturing technique systems governed by the relationship between reinforcement structures, fibre properties and corresponding matrix properties, having tremendously excited the composite market to a new level and making the idea of light-weight designs continually achievable in new applications, including structural components with complex shapes and composites possessing special physical characters. Thus, understanding the mechanical behaviours of composites at several levels, ranging from micro to macro scale, especially for polymer-based composites created by textile reinforcements, creates a vital basis for a more efficient, rational and economical design of new products, as well as manufacturing techniques for extensive applications where composites could further realize their unique advantages.

With the awareness of the importance of composite performance under a variety of conditions in relation to mechanical behaviours across scales, this Special Issue of Polymers invites contributions addressing several aspects of polymer-based textile composites in view of mechanics analyses under different processes, such as: interpreting the weaveability or braidability of fibres, especially for hard and brittle polymer fibres, capable of being utilized to manufacture near-shaped reinforcements; the study of mechanical behaviours on textile reinforcements during preforming processes, ranging from yarn to fabric scales (mesoscale and macroscale, respectively), in order to figure out how to optimize the preforming process, taking into consideration textile reinforcement properties; simulations based on a new modelling method to advance our knowledge of mechanical behaviours of textile reinforcements; the advanced structure of textile reinforcements and its relation to composite mechanical performance; research regarding the relationship between the polymer resin injection process and composite mechanical properties; theoretical development and simulations to further describe the mechanical behaviours of textile composites under service conditions, such as vibration, high temperature or impact; new approaches for computing or predicting the mechanical response of materials removal in textile composite machining for the purpose of restraining the extent of machining defects; etc.

The above list is only indicative and by no means exhaustive, as we welcome any original theoretical or simulation articles or even reviews regarding the role of mechanical behaviours of polymer-based textile composites. We hope that these contributions will advance our understanding of the mechanical performance of polymer-based textile composites in relation to manufacturing processes, further extending their applications in engineering industries.

Prof. Dr. Peng Wang
Dr. Shenglei Xiao
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

  • polymer-based textile composites
  • service performance
  • textile reinforcements
  • mechanical behaviours
  • manufacturing processes
  • simulation approaches
  • theoretical development
  • constitutive modelling

Published Papers (5 papers)

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Research

10 pages, 4529 KiB  
Article
Friction Behavior between Carbon Fiber Plain Weave and Metal Semi-Cylinder Tool
by Ning Wu, Qi Guo, Ximing Xie and Li Chen
Polymers 2023, 15(2), 472; https://doi.org/10.3390/polym15020472 - 16 Jan 2023
Cited by 1 | Viewed by 1800
Abstract
The deformations that occur during composite forming processes are governed by the friction between the fabrics and tooling material on the mesoscopic level. The effect of normal load and multi-plies on the frictional behavior of the carbon plain weave is investigated by simulating [...] Read more.
The deformations that occur during composite forming processes are governed by the friction between the fabrics and tooling material on the mesoscopic level. The effect of normal load and multi-plies on the frictional behavior of the carbon plain weave is investigated by simulating the friction between the fabric and metal semi-cylinder tool by using the experimental method. The periodic wavy friction-displacement curve between the metal tool and fabric is caused by the interwoven structure of the fabric. Both the increase in the normal load and the number of layers cause an increase in the real contact area during friction, leading to an increase in the friction force. The real contact area is calculated based on the Hertzian contact model and the self-designed testing method. The friction force values obtained from multiplying the real contact area with shear strength are closely aligned with the measured results. Full article
(This article belongs to the Special Issue Preparation and Performance Study of Polymer-Based Textile Composites)
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13 pages, 8056 KiB  
Article
Anisotropic Microstructure and Performance Characterization of Wild Silkworm Cocoons for Designing Biomimetic Protective Materials
by Mengru Li, Jie Luo, Yi Xiong and Jisong Wu
Polymers 2022, 14(15), 3072; https://doi.org/10.3390/polym14153072 - 29 Jul 2022
Cited by 1 | Viewed by 2418
Abstract
As a unique and important biopolymer composite, silkworm cocoons have evolved a wide range of different structures and combinations of physical and chemical properties to resist environmental damage and attacks from natural predators. A combination of characterization techniques including scanning electron microscopy, mechanical [...] Read more.
As a unique and important biopolymer composite, silkworm cocoons have evolved a wide range of different structures and combinations of physical and chemical properties to resist environmental damage and attacks from natural predators. A combination of characterization techniques including scanning electron microscopy, mechanical tests, and Fourier transform infrared spectroscopy were applied to investigate the morphologies, mechanical properties, and nanoscale organizations of Antheraea pernyi cocoons from two different source regions. Mechanical tests were carried out by using rectangular specimens cut from four directions 0° (width of the cocoons), ±45°, and 90° (the length of the cocoon), separately. The mechanical properties such as tensile strength, initial modulus, and maximum load of cocoon in four directions were measured. The structural analysis of silkworm cocoon shows that there is a slightly different combination of morphology and properties that have adapted to coping with diverse local environments. The results of the mechanical properties of silkworm cocoons show that the A. pernyi cocoon from north of China behaved stronger and tougher. Besides, there were slight differences among the results of mechanical properties for 0°, ±45°, and 90° directions of these cocoons. Our studies will help formulate bio-inspired design principles for new materials. Full article
(This article belongs to the Special Issue Preparation and Performance Study of Polymer-Based Textile Composites)
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20 pages, 21527 KiB  
Article
A Mechanics Analysis of Carbon Fiber Plain-Woven Thermoset Prepreg during Forming Process Considering Temperature Effect
by Jialiang Qi, Lun Li, Yiqi Wang and Hang Gao
Polymers 2022, 14(13), 2618; https://doi.org/10.3390/polym14132618 - 28 Jun 2022
Cited by 1 | Viewed by 1765
Abstract
The preforming quality of carbon fiber plain-woven thermoset prepreg (CFPWTP) is critical to the performance of composite aerospace parts. The deformation ability of the CFPWTP material during preforming is affected by both the fabric woven structure and the resin viscosity, which is different [...] Read more.
The preforming quality of carbon fiber plain-woven thermoset prepreg (CFPWTP) is critical to the performance of composite aerospace parts. The deformation ability of the CFPWTP material during preforming is affected by both the fabric woven structure and the resin viscosity, which is different from the dry textile material. Incorrect temperature parameters can enlarge the resin’s viscosity, and high viscosity can inhibit fiber deformation and cause defects. This study proposes an equivalent continuum mechanics model considering its temperature–force behavior. Picture frame tests and axial tensile tests at 15 °C, 30 °C, and 45 °C are conducted to obtain the temperature–stress–strain constitutional equations. By Taylor’s expansion formula and surface fitting method, the constitutive modulus of the material is obtained. Consequently, a saddle-shaped forming simulation is carried out, which is later validated by experiments. Results show that the accuracy of the predicted model is high, with 0.9% of width error and 5.1% of length error separately. Besides, the predicted wrinkles are consistent with the test in fold position and in deformation trend under different temperatures. Full article
(This article belongs to the Special Issue Preparation and Performance Study of Polymer-Based Textile Composites)
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13 pages, 6129 KiB  
Article
Binocular Vision-Based Yarn Orientation Measurement of Biaxial Weft-Knitted Composites
by He Xiang, Yaming Jiang, Yiying Zhou, Benny Malengier and Lieva Van Langenhove
Polymers 2022, 14(9), 1742; https://doi.org/10.3390/polym14091742 - 25 Apr 2022
Cited by 3 | Viewed by 1602
Abstract
The mechanical properties of fiber-reinforced composites are highly dependent on the local fiber orientation. In this study, a low-cost yarn orientation reconstruction approach for the composite components’ surface was built, utilizing binocular structured light detection technology to accomplish the effective fiber orientation detection [...] Read more.
The mechanical properties of fiber-reinforced composites are highly dependent on the local fiber orientation. In this study, a low-cost yarn orientation reconstruction approach for the composite components’ surface was built, utilizing binocular structured light detection technology to accomplish the effective fiber orientation detection of composite surfaces. It enables the quick acquisition of samples of the revolving body shape without blind spots with an electric turntable. Four collecting operations may completely cover the sample surface, the trajectory recognition coverage rate reached 80%, and the manual verification of the yarn space deviation showed good agreement with the automated technique. The results demonstrated that the developed system based on the proposed method can achieve the automatic recognition of yarn paths of views with different angles, which mostly satisfied quality control criteria in actual manufacturing processes. Full article
(This article belongs to the Special Issue Preparation and Performance Study of Polymer-Based Textile Composites)
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19 pages, 82635 KiB  
Article
Influence of the Unit Cell Parameters on the Thermomechanical Non-Symmetric In-Plane Shear Behavior of 2D Biaxial Braided Preform for Thermoplastic Biocomposites
by Wenqian Zhai, Damien Soulat, Xavier Legrand and Peng Wang
Polymers 2022, 14(6), 1117; https://doi.org/10.3390/polym14061117 - 10 Mar 2022
Cited by 2 | Viewed by 1930
Abstract
The identification of thermomechanical in-plane shear behavior of preform is one of the most important factors to ensure the quality of the thermoplastic composites during the thermoforming process. In this present work, the non-symmetric in-plane shear behavior of flax/polypropylene 2D biaxial braided preform [...] Read more.
The identification of thermomechanical in-plane shear behavior of preform is one of the most important factors to ensure the quality of the thermoplastic composites during the thermoforming process. In this present work, the non-symmetric in-plane shear behavior of flax/polypropylene 2D biaxial braided preform for thermoplastic biocomposites was characterized at elevated temperature chamber by using bias-extension test. Analytical models of a bias-extension test based on non-symmetric unit cell geometry for 2D biaxial braids were defined and applied; the thermo-condition-dependent experiments were conducted to study the temperature and displacement rate dependences. The influence of unit cell geometry parameters including braiding angle, tow waviness, and cover factor on the thermal in-plane shear behavior was deeply invested, experiments in both axial and transversal directions were performed for a complete study, and asymmetric scissor mechanisms for in-plane shear behavior were introduced and studied. Finally, a simulation of thermal impregnation distribution based on unit cell geometry was made to clarify the importance of the overall fiber volume fraction. Full article
(This article belongs to the Special Issue Preparation and Performance Study of Polymer-Based Textile Composites)
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