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Polymers
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Mechanical and Dynamic Characterization of Polymeric Composites, 3rd Edition
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Mechanical and Dynamic Characterization of Polymeric Composites, 3rd Edition

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

Deadline for manuscript submissions: 30 September 2025 | Viewed by 206

Special Issue Editors

Dr. Mei-Chen Lin

E-Mail Website
Guest Editor
Department of Biomedical Engineering, College of Biomedical Engineering, China Medical University, Taichung 40447, Taiwan
Interests: fiber and functional textiles; polymer matrix composite materials; artificial medical materials; nanocomposites
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Limin Bao

E-Mail Website
Guest Editor
Interdisciplinary Graduate School of Science and Technology, Shinshu University, Nagano Prefecture 390-8621, Japan
Interests: green composite materials; carbon fiber composite materials; mechanical properties of composite materials (stretching, puncture, three-point bending, etc.); mechanical analysis simulation systems
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Further to the success of the Special Issue of Polymers, entitled “Mechanical and Dynamic Characterization of Polymeric Composites, 2nd Edition”, we are delighted to reopen the Special Issue, now entitled “Mechanical and Dynamic Characterization of Polymeric Composites, 3rd Edition”.

The development of composite materials, which could be made of thermosetting or thermoplastic polymers after reinforcement, is diversified because these materials are used in many applications and exhibit a strong performance. This Special Issue on “Mechanical and Dynamic Characterization of Polymeric Composites” is mainly related to the fields of composite material engineering and scientific studies. Innovative research based on the various mechanical properties of composite materials and dynamic analysis is invited. The research content of the studies includes purpose and innovation, material production and processing, reinforcement methods, and the theory of composite materials combined with multiple materials. We look forward to making breakthroughs in the field of composite materials and profound discussions and gains in relation to the mechanical properties, processing methods, and application discussions of composite materials.

Dr. Mei-Chen Lin
Prof. Dr. Limin Bao
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 matrix
  • composite materials
  • mechanical
  • dynamic analysis
  • strength
  • fiber
  • modulus
  • resin
  • nanocomposites
  • fabrication
  • manufacture

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Published Papers (2 papers)

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Research

20 pages, 12035 KiB  
Article
Viscosity, Morphology, and Thermomechanical Performance of Attapulgite-Reinforced Bio-Based Polyurethane Asphalt Composites
by Haocheng Yang, Suzhou Cao, Xinpeng Cui, Zhonghua Xi, Jun Cai, Zuanru Yuan, Junsheng Zhang and Hongfeng Xie
Polymers 2025, 17(15), 2045; https://doi.org/10.3390/polym17152045 (registering DOI) - 26 Jul 2025
Abstract
Bio-based polyurethane asphalt binder (PUAB) derived from castor oil (CO) is environmentally friendly and exhibits extended allowable construction time. However, CO imparts inherently poor mechanical performance to bio-based PUAB. To address this limitation, attapulgite (ATT) with fibrous nanostructures was incorporated. The effects of [...] Read more.
Bio-based polyurethane asphalt binder (PUAB) derived from castor oil (CO) is environmentally friendly and exhibits extended allowable construction time. However, CO imparts inherently poor mechanical performance to bio-based PUAB. To address this limitation, attapulgite (ATT) with fibrous nanostructures was incorporated. The effects of ATT on bio-based PUAB were systematically investigated, including cure kinetics, rotational viscosity (RV) evolution, phase-separation microstructures, dynamic mechanical properties, thermal stability, and mechanical performance. Experimental characterization employed Fourier transform infrared spectroscopy, Brookfield viscometry, laser scanning confocal microscopy, dynamic mechanical analysis, thermogravimetry, and tensile testing. ATT incorporation accelerated the polyaddition reaction conversion between isocyanate groups in polyurethane (PU) and hydroxyl groups in ATT. Paradoxically, it reduced RV during curing, prolonging allowable construction time proportionally with clay content. Additionally, ATT’s compatibilizing effect decreased bitumen particle size in PUAB, with scaling proportionally with clay loading. While enhancing thermal stability, ATT lowered the glass transition temperature and damping properties. Crucially, 1 wt% ATT increased tensile strength by 71% and toughness by 62%, while maintaining high elongation at break (>400%). The cost-effectiveness and significant reinforcement capability of ATT make it a promising candidate for producing high-performance bio-based PUAB composites. Full article
(This article belongs to the Special Issue Mechanical and Dynamic Characterization of Polymeric Composites, 3rd Edition)
15 pages, 2217 KiB  
Article
Energy-Based Approach for Fatigue Life Prediction of Additively Manufactured ABS/GNP Composites
by Soran Hassanifard and Kamran Behdinan
Polymers 2025, 17(15), 2032; https://doi.org/10.3390/polym17152032 - 25 Jul 2025
Abstract
This study examines the effectiveness of energy-based models for fatigue life prediction of additively manufactured acrylonitrile butadiene styrene (ABS)/graphene nanoplatelet (GNP) composites. The effects of varying GNP weight percentages and filament raster orientations on the fatigue life of the samples were investigated theoretically. [...] Read more.
This study examines the effectiveness of energy-based models for fatigue life prediction of additively manufactured acrylonitrile butadiene styrene (ABS)/graphene nanoplatelet (GNP) composites. The effects of varying GNP weight percentages and filament raster orientations on the fatigue life of the samples were investigated theoretically. The required stress and strain values for use in energy-based models were obtained by solving two sets of Neuber and Ramberg–Osgood equations, utilizing the available values of notch strength reduction factors at each load level and the average Young modulus for each composite material. Results revealed that none of the studied energy-based models could accurately predict the fatigue life of the samples across the entire high- and low-cycle fatigue regimes, with strong dependence on the stress ratio (R). Instead, a novel fatigue life prediction model was developed by combining two existing energy-based models, incorporating stress ratio dependence for cases with negative mean stress. This model was tested for R values roughly between −0.22 and 0. Results showed that, for all samples at each raster orientation, most of the predicted fatigue lives fell within the upper and lower bounds, with a factor of ±2 across the entire range of load levels. These findings highlight the reliability of the proposed model for a wide range of R values when mean stress is negative. Full article
(This article belongs to the Special Issue Mechanical and Dynamic Characterization of Polymeric Composites, 3rd Edition)
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