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Polymers
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New Research on Fiber-Reinforced Polymer Composites: 2nd Edition
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New Research on Fiber-Reinforced Polymer Composites: 2nd Edition

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

Deadline for manuscript submissions: closed (25 June 2024) | Viewed by 3699

Special Issue Editors

Prof. Dr. Junfeng Guan

E-Mail Website
Guest Editor
School of Civil Engineering and Communication, North China University of Water Resources and Electric Power, Zhengzhou 450045, China
Interests: durability evaluation; fracture behavior; new test technologies; structural reinforcement; seismic strengthening of structures; structural seismic evaluation; smart structures and sustainable infrastructure development
Special Issues, Collections and Topics in MDPI journals
Dr. Lielie Li

E-Mail Website
Guest Editor
School of Civil Engineering and Communication, North China University of Water Resources and Electric Power, Zhengzhou 450045, China
Interests: structural repair; fracture behavior; structural reliability
Dr. Chaopeng Xie

E-Mail Website
Guest Editor
College of Water Conservancy, North China University of Water Resources and Electric Power, Zhengzhou 450045, China
Interests: high performance composites; fracture behavior; design theories and methods

Special Issue Information

Dear Colleagues,

Fiber-reinforced polymer composites are a basic part of construction materials and play an important role in engineering. Tremendous progress has been made in the field of fiber-reinforced composites in recent years. Research has focused on the novel materials and advanced structure technology of fiber-reinforced composites, ranging from the macroscopic to the microscopic.

This Special Issue of Polymers, “New Research on Fiber-Reinforced Polymer Composites II”, is now open for submissions. Papers may focus on a range of topics, such as the durability evaluation of fiber-reinforced composites; fracture behavior of fiber-reinforced composites; new test technologies of fiber-reinforced composites; fiber-reinforced composites for structural reinforcement; fiber-reinforced composites for seismic strengthening of structures, theory, design and methods for fiber-reinforced composites; and structural properties of fiber-reinforced composites, etc.

The abovementioned possible research directions of fiber-reinforced Polymer composites are not intended to constitute an exhaustive list; any original article or comprehensive review contributing to the field of fiber-reinforced Polymer composites is also welcome.

Prof. Dr. Junfeng Guan
Dr. Lielie Li
Dr. Chaopeng Xie
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

  • new fiber-reinforced composites
  • durability evaluation
  • fracture behavior
  • new test technologies
  • structural reinforcement
  • structural repair
  • seismic strengthening of structures
  • structural seismic evaluation
  • smart structures
  • design theories and methods
  • structural properties

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Published Papers (3 papers)

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Research

7 pages, 1624 KiB  
Communication
Thermal Treatment Effects on Structure and Mechanical Properties of Polybutylene Terephthalate and Epoxy Resin Composites Reinforced with Glass Fiber
by Jiangang Deng, Zhenbo Lan, Zhuolin Xu, Wei Long, Qiang Sun and Yu Nie
Polymers 2024, 16(16), 2269; https://doi.org/10.3390/polym16162269 - 10 Aug 2024
Viewed by 767
Abstract
In this study, two types of composites, polybutylene terephthalate (PBT) and epoxy resin (ER), reinforced with 20% of glass fiber (GF) are used as the comparative research objects. Their mechanical properties after thermal aging at 85~145 °C are evaluated by tensile strength and [...] Read more.
In this study, two types of composites, polybutylene terephthalate (PBT) and epoxy resin (ER), reinforced with 20% of glass fiber (GF) are used as the comparative research objects. Their mechanical properties after thermal aging at 85~145 °C are evaluated by tensile strength and fracture morphology analysis. The results show that the composites have similar aging laws. The tensile strength of GF/PBT and GF/ER decrease gradually with the increase of aging temperature, while their elastic moduli are independent of the thermal treatment temperature. Scanning electron microscopy study of the fracture surface shows that separation of glass fiber from PBT and ER matrix becomes more obvious at higher aging temperature. The fibers on the matrix surface appear clear and smooth, and the whole pulled out GFs can be observed. As a main mechanical strength degradation mechanism, the deterioration of interface adhesion between the matrix and GF is discussed. A large difference in coefficients of thermal expansion of the matrix and GF is a main factor of the mechanical degradation. Full article
(This article belongs to the Special Issue New Research on Fiber-Reinforced Polymer Composites: 2nd Edition)
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13 pages, 1815 KiB  
Article
Effect of Different Compatibilizers on the Properties of Green Low-Density Polyethylene Composites Reinforced with Bambusa Vulgaris Bamboo Fibers
by Mariane W. Bosenbecker, Eduarda Vieira Silva, Gian Francesco dos Reis Paganotto, Tiago Thomaz Migliati Zanon, Fernanda Langone, Marlon Bender Bueno Rodrigues, Juliano Marini, Jalel Labidi, André Luiz Missio and Amanda Dantas de Oliveira
Polymers 2024, 16(13), 1760; https://doi.org/10.3390/polym16131760 - 21 Jun 2024
Cited by 2 | Viewed by 958
Abstract
Low-density green polyethylene (LDGPE) composites reinforced with 5 wt% of bamboo fiber and 3 wt% of a compatibilizing agent (polyethylene grafted with maleic anhydride and tannin) were processed through extrusion and injection molding. Bamboo fiber, Bambusa Vulgaris, was characterized using Fourier-transform infrared spectroscopy [...] Read more.
Low-density green polyethylene (LDGPE) composites reinforced with 5 wt% of bamboo fiber and 3 wt% of a compatibilizing agent (polyethylene grafted with maleic anhydride and tannin) were processed through extrusion and injection molding. Bamboo fiber, Bambusa Vulgaris, was characterized using Fourier-transform infrared spectroscopy (FTIR). The molded specimens were analyzed for their thermal, mechanical, and morphological properties. The estimated concentration was chosen to provide the best mechanical strength to the material studied. FTIR analysis of the fibers revealed the presence of groups characteristic of bamboo fiber and tannin. Differential scanning calorimetry revealed that both compatibilizing agents increased the matrix’s degree of crystallinity. However, scanning electron microscopy (SEM) showed that, despite the presence of compatibilizing agents, there was no significant improvement in adhesion between the bamboo fibers and LDGPE. Full article
(This article belongs to the Special Issue New Research on Fiber-Reinforced Polymer Composites: 2nd Edition)
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20 pages, 5428 KiB  
Article
Comparison of Mechanical Properties of Ductile/Brittle Epoxy Resin BFRP-AL Joints under Different Immersion Solutions
by Haichao Liu, Ziyang Ding, Yisa Fan, Yang Luo and Yang Yang
Polymers 2023, 15(19), 3892; https://doi.org/10.3390/polym15193892 - 26 Sep 2023
Viewed by 1433
Abstract
The bonding properties of BFRP composites have been demonstrated in previous studies, satisfying the strength and durability criteria. In this paper, a further in-depth study is carried out to bond Basalt Fibre Reinforced Polymer (BFRP) to Aluminum Alloy 5052 using two bonding agents, [...] Read more.
The bonding properties of BFRP composites have been demonstrated in previous studies, satisfying the strength and durability criteria. In this paper, a further in-depth study is carried out to bond Basalt Fibre Reinforced Polymer (BFRP) to Aluminum Alloy 5052 using two bonding agents, Aralite® 2012 and Aralite® 2015, respectively. The salt sprays under 80 °C, 3.5% NaCl environment; 80 °C, 5% NaCl environment; and pure water environment are also considered for comparison. Experimental results show that joints created with Araldite® 2012 adhesives show higher average breaking strength (10.66 MPa at 720 h) and better ductility in a 5% NaCl environment. While the Araldite® 2015 adhesive joint exhibits a combination of tear failure and interface failure, along with thin-layer cohesion failure. In the SEM images of the two adhesive joints’ failure, fiber pullout due to tension and damage at the interface between fiber and resin is apparent. To validate the experimental outcomes, water absorption testing, DSC, TGA-DTG, and FTIR experiments were conducted on dog-bone-shaped adhesive specimens to elucidate the results. Full article
(This article belongs to the Special Issue New Research on Fiber-Reinforced Polymer Composites: 2nd Edition)
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