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Fibers, Volume 14, Issue 7

2026 July - 12 articles

Cover Story: Carbon fibers are essential, lightweight, high-strength materials, yet production from polyacrylonitrile and mesophase pitch is energy-intensive and costly. This review traces carbon fiber development from these precursors to the emerging use of polyethylene (PE), whose simple hydrocarbon backbone, solvent-free melt spinning, and high carbon yield offer a route to lower-cost sustainable fibers. Applying the structure–property framework from decades of PAN and pitch research, we examine how PE fiber sulfonation and carbonization direct crystallite formation and mechanical performance, reaching tensile strengths up to 2.0 GPa and moduli up to 170 GPa. With projected costs below PAN and a smaller environmental footprint, PE-based carbon fibers show strong promise for applications such as wind turbine blades and thermoplastic composites. View this paper
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Articles (12)

  • Article
  • Open Access
861 Views
23 Pages

20 July 2026

An experimental study was conducted to investigate the flexural behavior of continuous beams strengthened with precast concrete plates. Ten rectangular concrete beams with a cross-section of 210 × 150 mm and a total length of 2400 mm were teste...

(This article belongs to the Topic Advances in Fiber-Reinforced Composites)
  • Article
  • Open Access
492 Views
18 Pages

Experimental Study of the Aging Effect on the Mechanical Properties of Hemp Fiber Cementitious Composite

  • Miquel Ángel Chamorro,
  • Jaume Font,
  • Irieix Costa,
  • Jordi Soler and
  • Joan Llorens

17 July 2026

The degradation of the natural fibers in the hydraulic binder alkaline matrix is widely known. This study investigates the effect of two fiber treatments, namely immersion in sodium hydroxide (NaOH) solution and hornification, in two types of alkalin...

  • Article
  • Open Access
1,169 Views
27 Pages

Drying Process Development for Lignocellulosic Water Hyacinth Fibers: Design and Performance Evaluation of an Innovative Dryer Machine for Small-Scale Craft Industry

  • Khakam Ma’ruf,
  • Rizal Justian Setiawan,
  • Taufik Akbar,
  • Rheina Khaisa Rhehani Putri and ,
  • Zaky Ahmad Aditya,
  • Afan Sutopo,
  • Muhamad Yogi and
  • Yu-Tzu Chen
  • + 3 authors+ 0 author

17 July 2026

Water hyacinth (Eichhornia crassipes) is an invasive aquatic plant with high lignocellulosic content, offering potential as a natural fiber resource for craft-based industries. However, its extremely high initial moisture content (≈95%) present...

(This article belongs to the Special Issue Research on Wood and Lignocellulosic Materials)
  • Article
  • Open Access
3 Citations
991 Views
17 Pages

An Efficient Method for Recycling Polypropylene with the Antioxidant Additive Propyl Gallate

  • Rinat Iskakov,
  • Gulbarshin Shambilova,
  • Zhanar Kadasheva,
  • Danagul Kalimanova and ,
  • Meirbek Naukenov,
  • Alexander Korshunov,
  • Igor Makarov,
  • Markel Vinogradov and
  • Georgy Makarov
  • + 4 authors+ 0 author

17 July 2026

In this study, a new approach to stabilizing polypropylene (PP) melts using the bio-based antioxidant propyl gallate (PG) is considered. Since PG is extensively used in the food and cosmetics fields and its low doses do not cause reactions in humans,...

(This article belongs to the Special Issue Fiber-Reinforced Concrete Under Environmental, Mechanical, and Thermal Actions)
  • Article
  • Open Access
2 Citations
972 Views
36 Pages

16 July 2026

This study reports the filament-making stage of a sequential single-screw process-development pathway for compatibilizer- and plasticizer-free soy hull fiber (SHF)/PLA biocomposites used in fused deposition modeling. Thirty-three filament-making tria...

(This article belongs to the Special Issue Fibers and Fiber-Reinforced Composite: Processing-Structure-Property Relationships)
  • Review
  • Open Access
1 Citations
1,580 Views
47 Pages

15 July 2026

Carbon fibers, whose origins are closely intertwined with precursor chemistry and processing conditions, have become indispensable structural lightweight materials due to their exceptional combination of low density, high tensile strength, and high s...

  • Article
  • Open Access
669 Views
28 Pages

15 July 2026

This study examines how yarn microstructure influences isothermal water-vapor transport and the associated evaporative heat loss under ISO 11092 skin-model conditions. Sweating guarded hotplate experiments were performed on PET yarn-array specimens t...

  • Feature Paper
  • Article
  • Open Access
909 Views
25 Pages

13 July 2026

Expansive soil is highly susceptible to water-softening and desiccation cracking under alternating wet–dry conditions, often resulting in severe geotechnical and geological hazards. To mitigate these undesirable engineering properties, a compos...

  • Article
  • Open Access
864 Views
19 Pages

Intra and Inter-Specimen Strain Heterogeneity in Filament–Wound Carbon Fiber Composites Revealed by Digital Image Correlation

  • Javier Pisonero,
  • Enrique González-González,
  • Manuel Rodríguez-Martín and
  • Roberto García-Martín

3 July 2026

Filament–wound carbon fiber composites are widely used in lightweight structural applications, where their mechanical performance is strongly affected by manufacturing-induced heterogeneities. In this study, the tensile behavior of carbon fiber...

  • Review
  • Open Access
1,088 Views
19 Pages

Steam Explosion Processing of Bast Fibers: Effects on Fiber Structure and Performance in Textile and Composites Applications

  • Peter El Hage,
  • Roland El Hage,
  • César Segovia,
  • Jingjing Liao and ,
  • Didilia Ileana Mendoza-Castillo,
  • Nicolas Brosse and
  • Henri Vahabi
  • + 2 authors+ 0 author

2 July 2026

In response to the increasing needs for environmentally friendly products, lignocellulosic natural fibers have been of interest as potential replacements for synthetic reinforcement materials in textiles, composites, and related applications. Among t...

(This article belongs to the Special Issue Advances in Bast Fiber Processing into Yarns: Characterization, Performance and Sustainable Textile Applications)
  • Article
  • Open Access
1 Citations
848 Views
23 Pages

2 July 2026

This study examines the effect of small ply angle deviations on the structural response of carbon fiber-reinforced polymer laminates representative of structures used in unmanned aerial vehicles (UAVs). A combined experimental and numerical approach...

  • Article
  • Open Access
750 Views
22 Pages

Dynamic Parameters of Fiber-Reinforced Soils at Very Small Strains

  • Konstantinos E. Bantralexis,
  • Eleni S. Boura,
  • Ioannis N. Markou and
  • Evangelos D. Evangelou

29 June 2026

Improvement of the engineering properties of soils by reinforcing them with fibers, at an appropriate percentage of the weight of dry soil, is frequently selected to ensure the safe construction and operation of many structures. However, the publishe...

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Fibers - ISSN 2079-6439