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Polymers
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Mechanical and Structural Behavior for Polymer Composites
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Mechanical and Structural Behavior for Polymer Composites

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

Deadline for manuscript submissions: closed (15 February 2025) | Viewed by 4461

Special Issue Editor

Dr. Xin Zhang

E-Mail Website
Guest Editor
Department of Mechanics and Aerospace Engineering, Southern University of Science and Technology, Shenzhen 518055, China
Interests: fiber reinforced polymer composite; multifunctional polymer material; solid mechanics; dynamic impact; energy absorption structure

Special Issue Information

Dear Colleagues,

Polymer composites have attracted great research interest in many areas and industries, such as aerospace engineering, transportation industry, marine engineering, construction industry, sports facilities, medical industry, etc., due to their advanced properties. As a result, it is of great significance, as well as very challenging, to investigate their mechanical properties like strength, modulus, toughness, energy absorption capacity, failure mechanism, etc., and the structural properties of polymer composites at different loading conditions to guarantee and optimize the safety and reliability of the structures during different applications. The relevant areas include, but are not limited to, the following topics:

  • Fiber-reinforced polymer composites with multi-functions;
  • Structural properties of advanced polymer composites;
  • Mechanical properties of polymer metamaterials with advanced structures;
  • Dynamic behavior and failure of composites including plasticity and fracture;
  • Design and optimization of soft composites;
  • Additive manufacturing composites and structures.

Dr. Xin Zhang
Guest Editor

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.

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (2 papers)

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Research

15 pages, 4206 KiB  
Article
Reinforcement of Epoxidized Natural Rubber with High Antimicrobial Resistance Using Water Hyacinth Fibers and Chlorhexidine Gluconate
by Thidarat Kanthiya, Pornchai Rachtanapun, Siwarote Boonrasri, Thorsak Kittikorn, Thanongsak Chaiyaso, Patnarin Worajittiphon, Nuttapol Tanadchangsaeng, Sarinthip Thanakkasaranee, Noppol Leksawasdi, Yuthana Phimolsiripol, Warintorn Ruksiriwanich and Kittisak Jantanasakulwong
Polymers 2024, 16(21), 3089; https://doi.org/10.3390/polym16213089 - 31 Oct 2024
Cited by 1 | Viewed by 1410
Abstract
In this study, epoxidized natural rubber (ENR) was mixed using a two-roller mixer. Water hyacinth fiber (WHF) acted as a reinforcing agent in the preparation of the rubber composite at 10 phr (ENRC/WHF). Chlorhexidine gluconate (CHG) was added at different concentrations (1, 5, [...] Read more.
In this study, epoxidized natural rubber (ENR) was mixed using a two-roller mixer. Water hyacinth fiber (WHF) acted as a reinforcing agent in the preparation of the rubber composite at 10 phr (ENRC/WHF). Chlorhexidine gluconate (CHG) was added at different concentrations (1, 5, 10, and 20 phr) as an antimicrobial and coupling agent. The tensile strength increased with a CHG content of 1 phr (4.59 MPa). The ENRC/WHF/CHG20 blend offered high hardness (38) and good morphology owing to the reduction in cavities and fiber pull-out from the rubber matrix. The swelling of the sample blends in oil and toluene decreased as the CHG content increased. Reactions of –NH2/epoxy groups and –NH2/–OH groups occurred during the preparation of the ENRC/WHF/CHG blend. The FTIR spectroscopy peak at 1730 cm−1 confirmed the reaction between the −NH2 groups of CHG and epoxy groups of ENR. The ENRC/WHF/CHG blend at 10 phr and 20 phr exhibited zones of inhibition against three bacterial species (Staphylococcus aureus, Escherichia coli, and Bacillus cereus). CHG simultaneously acted as a crosslinking agent between ENR and WHF and as an antimicrobial additive for the blends. CHG also improved the tensile strength, hardness, swelling, and antimicrobial properties of ENR composites. Full article
(This article belongs to the Special Issue Mechanical and Structural Behavior for Polymer Composites)
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17 pages, 3573 KiB  
Article
Damping and Stiffness Analysis of Sandwich Beam with 3D-Printed Honeycomb Core Filled with Magnetorheological Elastomer (MRE): An Experimental Approach
by Umer Sharif, Xinmei Xiang, Miaochang Zhu, Jun Deng, Jing Sun, Dauda Sh. Ibrahim and Orelaja Oluseyi Adewale
Polymers 2023, 15(18), 3807; https://doi.org/10.3390/polym15183807 - 18 Sep 2023
Cited by 1 | Viewed by 1944
Abstract
The current study focuses on the production and experimental examination of sandwich beams consisting of an aluminum face sheet and 3D-printed honeycomb cores that are filled with magnetorheological elastomer (MRE). These cores are loaded with different ratios of (75/25)% and (50/50)% elastomer and [...] Read more.
The current study focuses on the production and experimental examination of sandwich beams consisting of an aluminum face sheet and 3D-printed honeycomb cores that are filled with magnetorheological elastomer (MRE). These cores are loaded with different ratios of (75/25)% and (50/50)% elastomer and magnetic particles, measured by weight. In order to ascertain the dynamic characteristics of sandwich beams, the constructed specimens were subjected to classic shock (free vibration) experiments, and these experiments were conducted under two conditions: with and without the application of a changing magnetic field at the free end and center of the beam. The results of the experiments suggest that the attenuation of the damping ratio exhibited satisfactory performance, particularly with respect to the structures that were being examined. The sandwich beam constructions proposed exhibited the ability to alter the damping ratio, damping coefficient, and stiffness through the application of a magnetic field. Nevertheless, an escalation in the applied magnetic field resulted in a reduction in stiffness values, while the values of the damping ratio and damping coefficient increased. Furthermore, significant variations in damping were observed when the magnets were located in the central regions of the structures. Full article
(This article belongs to the Special Issue Mechanical and Structural Behavior for Polymer Composites)
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