Science AI Journal
Materials Science · Research topic

Open research questions in Natural Fiber Reinforced Composites

738 gap statements mined from Natural Fiber Reinforced Composites papers in our 7.9M-paper local library, which holds 2,823 papers on the topic — drawn mostly from each paper's own stated research gap, future-work, challenge and limitation notes, and its abstract. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one.

Choosing where to publish on Natural Fiber Reinforced Composites? See the ranked Engineering journals.

What the literature leaves open

  • The present evaluation focuses on short-term performance metrics, while the long-term stability of the B72-WFF system under realistic environmental fluctuations remains to be systematically validated.

    A reversible reinforcing filler for heritage building preservation fabricated by Paraloid B72 with wood fibrous filaments · 2026 · DOI

  • Future work should focus on process scale-up, environmentally friendly surface modification strategies, direct characterization of fiber–matrix interfacial adhesion, long-term durability assessment, and the fabrication of natural latex-reinforced bio-composites.

    Influence of Biological, Chemical, and Combined Extraction Methods on the Physicochemical, Structural, and Mechanical Properties of Okra (Abelmoschus esculentus) Fibers for Natural Latex-Based Bio-Composite Reinforcement · 2026 · DOI

  • Future research should focus on developing pectinases and hemicellulases with enhanced substrate specificity, greater thermostability, improved tolerance to variable field conditions, and reduced non-target cellulolytic activity.

    From traditional retting to precision bioprocessing: microbial ecology, enzymatic selectivity, and systems biology of jute retting · 2026 · DOI

  • Future studies should focus on long term environmental stability, moisture resistance, large scale manufacturing feasibility, and detailed cost analysis to evaluate industrial applicability.

    Multifunctional vinyl ester biocomposites reinforced with Mangifera indica seed shell-derived cellulose, aluminium wire mesh, and Pergularia daemia stem fiber · 2026 · DOI

  • The lack of effective disposal methods for municipal solid waste. The need for sustainable construction materials that can support the circular economy.

    Paving slabs manufactured from polymer-based composites reinforced with Foil bags as municipal solid waste under different water immersion durations · 2026 · DOI

  • The need to improve the mechanical properties of biocomposites. The challenge of scaling up the production of biocomposites. The requirement for biocomposites to meet car interior material specifications, including low density, sufficient stiffness, thermal stability, flame retardancy, and recyclability.

    Agricultural waste-based composites for automotive interiors using waste to value approach · 2026 · DOI

  • The study highlights the need to develop sustainable composite materials using industrial and agricultural wastes. The paper does not explicitly state other technical or domain challenges, but it can be inferred that the development of hybrid composite materials with desired properties is a significant challenge.

    Performance evaluation of hybrid composite materials with wood powder and walnut shell additives: physical, mechanical, thermal and acoustic properties · 2026 · DOI

  • Future research will focus on two main directions to overcome these challenges.

    Valorization of Agri-Food Waste in Green Composites: Influence of Orange Peel Particulates on Mechanical, Thermal, and Antioxidant PLA Properties · 2026 · DOI

  • Finally, the statistical power of the study is limited by the small sample size (n = 3 per mixture), which may affect variance precision despite large observed effect sizes.

    Performance and Microstructural Assessment of Concrete Mixes Reinforced with Corn Fiber · 2026 · DOI

  • Building upon the validated CLT-based modeling framework established herein, future studies will focus on dynamic and fatigue testing, modal characterization, and coupled aeroelastic analyses to evaluate the long-term structural reliability of natural-fiber-reinforced composite blades under realistic operating conditions.

    Structural Performance, Manufacturing Feasibility, and Sustainability of a Polyester/Jute Composite Blade for Small Wind Turbines · 2026 · DOI

  • Future work should focus on improving dispersion at high filler contents through optimized processing or compatibilization strategies, investigating long-term durability and aging behavior, as well as validating the proposed rheology-based parameters through direct thermoforming experiments or sag-resistance tests, as well as extending this approach to other biodegradable matrices and/or fillers.

    Hemp Granule Size and Mass Fraction Effects on the Rheological, Thermal, and Mechanical Behavior of PLA-Based Biocomposites for Thermoforming · 2026 · DOI

  • While the present study focuses on the initial mechanical characterization and structural performance, the effects of repeated loading and long-term environmental conditions, including thermal cycling, may influence the material behavior and should be investigated in future studies. A detailed investigation of creep behavior is beyond the scope of this study and is recommended for future research.

    A Steel-Reinforced Recycled Thermoplastic Composite for Wind Turbine Towers: Experimental and Full-Scale Validation · 2026 · DOI

  • Although the investigated venting strategy resulted in only limited reductions in porosity, it provides important insight into the narrow processing window and indicates that alternative venting approaches, such as earlier or continuous venting, should be explored. There has been very limited research on natural fibre–furan composites (Table 3).

    Evaluation of Woven Hemp-Reinforced Polyfurfuryl Alcohol Resin Composites for High-Performance Natural Fibre Composite Applications · 2026 · DOI

  • Further studies should investigate the integration of hybrid substrates, the influence of varying fungal strains, and the use of advanced drying techniques (e.g., vacuum or freezedrying) to further enhance composite performance.

    Evaluation of Drying Times in Natural Fiber-Based Mycelium Composites from Empty Fruit Bunches and Kenaf · 2026 · DOI

  • Future technological development will focus on transforming fungal hyphae into advanced solutions for insulation and packaging, capitalising on their unique self-assembly capacity and their biodegradability.

    Harnessing Fungal Biology for the Manufacture of Mycelium-Based Biodegradable Composites: Advances, Challenges and Future Perspectives · 2026 · DOI

  • Due to the potential for optimizing nanoparticle distribution and studying combined SiO₂/Mg(OH)₂ systems for improved performance and durability of the hybrid composites, further investigation is warranted.

    Green-synthesized Mg(OH)₂ and rice-husk-derived SiO₂ nanoparticle-modified pineapple leaf/banana/basalt fibre hybrid epoxy composites · 2026 · DOI

  • While the authors acknowledge the need for further investigation into the feasibility of alfa fibers as a full substitute for industrial fibers, the comparable performance exhibited by AF and PPF supports the potential use of NF as a viable alternative to synthetic reinforcement, particularly in applications where flexural behavior and environmental impact are key design criteria.

    Mechanical Performance of Fiber-Reinforced Cement Mortars: A Comparative Study on the Effect of Synthetic and Natural Fibers · 2025 · DOI

  • The fibre volume fraction reported throughout this study should be regarded as a nominal supplier-provided value. The analysis was limited by the availability of orthotropic ply properties. The study did not experimentally verify the fibre volume fraction after consolidation.

    Influence of Fibre Orientation on the Mechanical and Morphological Characteristics of Commingled Flax/PLA Bio-Composites · 2026 · DOI

  • This review demonstrates that, across material classes and application domains, the fiber–matrix interface functions as a central control point through which mechanical performance, environmental durability, processing robustness, and end-of-life behavior are intrinsically coupled.

    Advancing Sustainable Materials Engineering with Natural-Fiber Biocomposites · 2026 · DOI

  • The areca–hemp fiber hybrid composites can be compared with other types of natural-fiber composites like areca–jute hybrid composites, areca–sisal hybrid composites, hemp–flax composites and hemp–jute composites with the addition of nano-silica.

    Effect of Nano-Silica on the Mechanical, Thermal and Microstructural Properties of Areca–Hemp Epoxy Hybrid Composites · 2026 · DOI

  • Untreated wood is not an option for a use in fin leading edges of a sounding rocket. The results show high thermal degradation and contour changes. The residual masses range from 34.0 to 38.1%, and the maximum residual cross-sectional areas range from 35.1 to 51.6%.

    Wood and seagrass fibre-based materials including TPSea on hot sounding rocket structures · 2026 · DOI

  • With focused research and development, coir composites are promising materials. Nanotechnology (e.g., lignin nanoparticles) and bio-based resins (e.g., BST20) may improve the mechanical and moisture resistance. Consistency problems can be resolved by standardizing the fiber processing and implementing AI-driven quality control.

    Coconut Coir Fiber Composites for Sustainable Architecture: A Comprehensive Review of Properties, Processing, and Applications · 2025 · DOI

  • The paper identifies a gap in the understanding of the influence of fibre orientation on the mechanical and morphological characteristics of commingled flax/PLA bio-composites. It also highlights the challenge of achieving uniform fibre impregnation in continuous fibre thermoplastic composites.

    Influence of Fibre Orientation on the Mechanical and Morphological Characteristics of Commingled Flax/PLA Bio-Composites · 2026 · DOI

  • Investigating the effects of varying polymer-to-filler ratios on the properties of HC samples, - Examining the long-term durability and stability of HC samples in different environmental conditions, - Exploring the potential applications of HC samples in other…

    Performance evaluation of hybrid composite materials with wood powder and walnut shell additives: physical, mechanical, thermal and acoustic properties · 2026 · DOI

  • Investigating the effects of other environmental factors on the degradation of flax fibers - Exploring the potential applications of flax fibers in marine environments - Studying the biological mechanisms underlying the degradation of flax fibers in natural…

    Biological Degradation of Flax Fiber Biocomposites in Natural Seawater · 2026 · DOI

Most-cited papers in Natural Fiber Reinforced Composites

Most recent work

Find a gap in your own Natural Fiber Reinforced Composites sub-topic

This page shows what the Natural Fiber Reinforced Composites literature already flags as unresolved. To narrow it to your specific question, search the Research Gap Finder: the search is free with a free account and lists the papers closest to your topic first. Unlocking that topic (50 credits, charged once) fills the comparison table from our 7.9M-paper local library and writes the gaps from its rows.

Open the Research Gap Finder →

Related topics in Materials Science

Nanoparticles: synthesis and applications
1,177 open questions
Machine Learning in Materials Science
857 open questions
Nanoparticle-Based Drug Delivery
828 open questions
Nanocomposite Films for Food Packaging
816 open questions
Hydrogels: synthesis, properties, applications
722 open questions
biodegradable polymer synthesis and properties
650 open questions
2D Materials and Applications
587 open questions
Advanced Cellulose Research Studies
485 open questions
Open questions raised by papers listed on this page include: (1) The present evaluation focuses on short-term performance metrics, while the long-term stability of the B72-WFF system under realistic environmental fluctuations remains to be systematically validated (“A reversible reinforcing filler for heritage building preservation fabricated…”, 2026); (2) Future research should focus on developing pectinases and hemicellulases with enhanced substrate specificity, greater thermostability, improved tolerance to variable field conditions, and reduced non-target cellulolytic activity (“From traditional retting to precision bioprocessing: microbial ecology,…”, 2026); (3) Future studies should focus on long term environmental stability, moisture resistance, large scale manufacturing feasibility, and detailed cost analysis to evaluate industrial applicability (“Multifunctional vinyl ester biocomposites reinforced with Mangifera indica seed…”, 2026); (4) The lack of effective disposal methods for municipal solid waste (“Paving slabs manufactured from polymer-based composites reinforced with Foil…”, 2026); (5) Future research will focus on two main directions to overcome these challenges (“Valorization of Agri-Food Waste in Green Composites: Influence of Orange Peel…”, 2026). 738 gap statements have been mined from Natural Fiber Reinforced Composites papers in our 7.9M-paper local library, which holds 2,823 papers on the topic; the gaps come from whichever of those papers state one. They are mostly the research gaps the authors state and the papers' abstracts, plus future-work, limitations and challenges passages. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one, so you can read the original claim in context.

Tools for your next paper

Gaps & Literature SearchFind open questions in any field — 1,100,000+ open gaps mined from our own library.Pre-CheckIs your paper ready? Acceptance odds for top, mid and open/emerging journals, in seconds.Journal FinderA ranked shortlist of target journals from a 17,500-venue index.Duplicate Publication CheckerCheck for prior publication across 7 sources and our local library.Citation GeneratorFreeA DOI or title → APA, MLA, Vancouver, Chicago, BibTeX, RIS. No signup.Graphical Abstract MakerFreeTurn your findings into a colorblind-safe graphical abstract.

How Pre-Check worksHow AI Review works

Compare the category — Honest roundups of the AI research tools, ours listed alongside the alternatives.

Command palette

Jump anywhere, run any action.