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Natural Fibers: Characterization, Properties and Applications

A special issue of Materials (ISSN 1996-1944).

Deadline for manuscript submissions: closed (1 June 2023) | Viewed by 1873

Special Issue Editor


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Guest Editor
School of Textiles and Clothing, Jiangnan University, Wuxi, China
Interests: functional modification of natural fibers

Special Issue Information

Dear Colleagues,

Natural fibers are obtained directly from nature and can be divided into plant fibers, animal fibers and mineral fibers. For a long time, natural fibers have been used to meet human needs in various areas. The importance of natural fibers has reduced because of the development and the use of synthetic fibers. However, the increasing environmental concerns and the depletion of petroleum resources have once again increased the importance of natural fibers and researchers and industries have been encouraged to use sustainable fibers rather than traditional synthetic fibers. Besides good mechanical and physical properties, the low density, considerable toughness, low cost, recyclability, non-toxicity and easy availability of natural fibers are also attractive aspects. These characteristics make natural fibers not only still play an important role in textile industry, but also are widely used as reinforced composite products in other industries such as automotive, construction and furniture. This special issue will give the opportunity to share the investigations about the characterization, properties and application of natural fibers carried out by researchers from different countries.

Dr. Li Cui
Guest Editor

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Keywords

  • modification of natural fibers
  • functionalization of natural fibers
  • regenerated natural fibers
  • recycling and reuse of natural fibers
  • challenges and solutions for the use of natural fibers
  • applications of natural fibers

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Published Papers (1 paper)

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Research

21 pages, 8639 KiB  
Article
Solution for Determining Modulus of Elasticity of Natural Materials Using Vibrations of Non-Uniform Circular Cross-Section Cantilevers
by Jerzy Podgórski and Bartosz Kawecki
Materials 2023, 16(10), 3868; https://doi.org/10.3390/ma16103868 - 21 May 2023
Cited by 2 | Viewed by 1532
Abstract
The article presents an original method for determining the modulus of elasticity of natural materials. A studied solution was based on vibrations of non-uniform circular cross-section cantilevers solved using Bessel functions. The derived equations, together with experimental tests, allowed for calculating the material’s [...] Read more.
The article presents an original method for determining the modulus of elasticity of natural materials. A studied solution was based on vibrations of non-uniform circular cross-section cantilevers solved using Bessel functions. The derived equations, together with experimental tests, allowed for calculating the material’s properties. Assessments were based on the measurement of the free-end oscillations in time using the Digital Image Correlation (DIC) method. They were induced manually and positioned at the end of a cantilever and monitored in time using a fast Vision Research Phantom v12.1 Camera with 1000 fps. GOM Correlate software tools were then used to find increments of deflection on a free end in every frame. It provided us with the ability to make diagrams containing a displacement–time relation. To find natural vibration frequencies, fast Fourier transform (FFT) analyses were conducted. The correctness of the proposed method was compared with a three-point bending test performed on a Zwick/Roell Z2.5 testing machine. The presented solution generates trustworthy results and can provide a method to confirm the elastic properties of natural materials obtained in various experimental tests. Full article
(This article belongs to the Special Issue Natural Fibers: Characterization, Properties and Applications)
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