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Advances in Experimental Investigation and Computational Modeling of Fiber-Reinforced Polymers and Composites—Second Edition

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Construction and Building Materials".

Deadline for manuscript submissions: 10 January 2026 | Viewed by 253

Special Issue Editors

Dr. Aliakbar Gholampour

E-Mail Website
Guest Editor
College of Science and Engineering, Flinders University, South Australia, Tonsley, Australia
Interests: co-friendly and sustainable composites; waste-based concrete; nanocomposite; lightweight foam composite; high-performance and ultra-high performance composite; fiber-reinforced polymers
Special Issues, Collections and Topics in MDPI journals
Dr. Mohammad Valizadeh Kiamahalleh

E-Mail Website
Guest Editor
College of Science and Engineering, Flinders University, Adelaide, Australia
Interests: construction materials; waste-based concrete; geopolymers; composites incorporating recycled materials; eco-friendly and sustainable composites

Special Issue Information

Dear Colleagues,

Due to their excellent strength-to-weight ratio, fiber-reinforced polymers and composites have garnered significant attention in various areas, including automotive, marine, aerospace, and construction applications. This Special Issue of Materials is dedicated to showcasing the recent advances in the experimental investigation and computational modeling of fiber-reinforced polymers and composites. We welcome the submission of papers addressing cutting-edge issues in the research and application of polymers and composites containing internal fibers, as well as their various applications. The topics included in this Special Issue include but are not limited to the mechanical, durability, thermal, fire microstructural, and long-term properties of composites manufactured using different types of internal fibers (including recycled, natural, and synthetic fibers) and nanomaterials. Both original contributions and reviews will be accepted.

Dr. Aliakbar Gholampour
Dr. Mohammad Valizadeh Kiamahalleh
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. Materials 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 2600 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

  • fiber-reinforced polymers
  • fiber-reinforced composites
  • internal fibers
  • durability properties
  • thermal properties
  • mechanical properties
  • fire resistance
  • nanofibers
  • natural fibers
  • recycled fibers
  • synthetic fibers
  • modeling
  • concrete
  • microstructure

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Published Papers (1 paper)

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Research

27 pages, 5072 KiB  
Article
Study on the Mechanical Properties of Optimal Water-Containing Basalt Fiber-Reinforced Concrete Under Triaxial Stress Conditions
by Kaide Liu, Songxin Zhao, Yaru Guo, Wenping Yue, Chaowei Sun, Yu Xia, Qiyu Wang and Xinping Wang
Materials 2025, 18(14), 3358; https://doi.org/10.3390/ma18143358 - 17 Jul 2025
Viewed by 157
Abstract
In response to the high-performance requirements of concrete materials under complex triaxial stress states and water-containing environments in marine engineering, this study focuses on water-containing basalt fiber-reinforced concrete (BFRC). Uniaxial compression and splitting tensile tests were conducted on specimens with different fiber contents [...] Read more.
In response to the high-performance requirements of concrete materials under complex triaxial stress states and water-containing environments in marine engineering, this study focuses on water-containing basalt fiber-reinforced concrete (BFRC). Uniaxial compression and splitting tensile tests were conducted on specimens with different fiber contents (0.0%, 0.05%, 0.10%, 0.15%, and 0.20%) to determine the optimal fiber content of 0.1%. The compressive strength of the concrete with this fiber content increased by 13.5% compared to the control group without fiber, reaching 36.90 MPa, while the tensile strength increased by 15.9%, reaching 2.33 MPa. Subsequently, NMR and SEM techniques were employed to analyze the internal pore structure and micro-morphology of BFRC. It was found that an appropriate amount of basalt fiber (content of 0.1%) can optimize the pore structure and form a reticular three-dimensional structure. The pore grading was also improved, with the total porosity decreasing from 7.48% to 7.43%, the proportion of harmless pores increasing from 4.03% to 4.87%, and the proportion of harmful pores decreasing from 1.67% to 1.42%, thereby significantly enhancing the strength of the concrete. Further triaxial compression tests were conducted to investigate the mechanical properties of BFRC under different confining pressures (0, 3, and 6 MPa) and water contents (0%, 1%, 2%, and 4.16%). The results showed that the stress–strain curves primarily underwent four stages: initial crack compaction, elastic deformation, yielding, and failure. In terms of mechanical properties, when the confining pressure increased from 0 MPa to 6 MPa, taking dry sandstone as an example, the peak stress increased by 54.0%, the elastic modulus increased by 15.7%, the peak strain increased by 37.0%, and the peak volumetric strain increased by 80.0%. In contrast, when the water content increased from 0% to 4.16%, taking a confining pressure of 0 MPa as an example, the peak stress decreased by 27.4%, the elastic modulus decreased by 43.2%, the peak strain decreased by 59.3%, and the peak volumetric strain decreased by 106.7%. Regarding failure characteristics, the failure mode shifted from longitudinal splitting under no confining pressure to diagonal shear under confining pressure. Moreover, as the confining pressure increased, the degree of failure became more severe, with more extensive cracks. However, when the water content increased, the failure degree was relatively mild, but it gradually worsened with further increases in water content. Based on the CDP model, a numerical model for simulating the triaxial compression behavior of BFRC was developed. The simulation results exhibited strong consistency with the experimental data, thereby validating the accuracy and applicability of the model. Full article
(This article belongs to the Special Issue Advances in Experimental Investigation and Computational Modeling of Fiber-Reinforced Polymers and Composites—Second Edition)
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