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<p>This study compares the mechanical and physical properties of unidirectional long (0°, 0°/90°) and woven false banana fiber reinforced composites with and without&#xa0;the addition of crystalline nanocellulose particle (CNC). The study focused on identifying the composite with superior mechanical properties for structural, industrial, and biomedical applications, including prostheses and orthotics. Polyester resin, false banana fibers, and the byproducts of sugar milling factories were the primary raw materials. The CNC fillers were chemically extracted from byproducts of sugar. To study the mechanical strength of unidirectional and woven false banana fiber-reinforced composites, tensile, compression, flexural strength, and void content tests were conducted using the appropriate ASTM standards. The effect of CNC fillers on the properties of both composites was analyzed. For the 0° unidirectional false banana fiber orientation, the measured tensile, flexural, and compression strengths were 98.83&#xa0;MPa, 161.60&#xa0;MPa, and 92.79&#xa0;MPa, respectively. For the 0°/90° unidirectional false banana fiber orientation, the measured tensile, flexural, and compression strength were 55.99&#xa0;MPa, 168.81&#xa0;MPa, and 88.64&#xa0;MPa, respectively. For the woven false banana fiber composite, the measured tensile, flexural, and compression strength were 48.99&#xa0;MPa, 122.52&#xa0;MPa, and 82.61&#xa0;MPa respectively. The woven false banana fiber composite generally had lower mechanical strength, reduced failure strain, and increased void content compared to unidirectional long false banana fiber composites. On the other hand, adding crystalline nanocellulose particle fillers significantly improved the average tensile strength of unidirectional and woven false banana fiber composites by 16.28% and 18.13%, respectively. The findings obtained from this study are an excellent resource for developing high-performance natural composite structural components and industrial and bio-medical applications, including prostheses and orthotics devices.</p>

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Comparative analysis of unidirectional long and woven false banana fiber composites with the addition of crystalline nanocellulose particles

  • 期刊论文

  • 发表日期：

    2025年10月7日

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  • Endalkachew Gashawtena,
  • Addis Kidane,
  • Belete Sirahbizu

摘要

This study compares the mechanical and physical properties of unidirectional long (0°, 0°/90°) and woven false banana fiber reinforced composites with and without the addition of crystalline nanocellulose particle (CNC). The study focused on identifying the composite with superior mechanical properties for structural, industrial, and biomedical applications, including prostheses and orthotics. Polyester resin, false banana fibers, and the byproducts of sugar milling factories were the primary raw materials. The CNC fillers were chemically extracted from byproducts of sugar. To study the mechanical strength of unidirectional and woven false banana fiber-reinforced composites, tensile, compression, flexural strength, and void content tests were conducted using the appropriate ASTM standards. The effect of CNC fillers on the properties of both composites was analyzed. For the 0° unidirectional false banana fiber orientation, the measured tensile, flexural, and compression strengths were 98.83 MPa, 161.60 MPa, and 92.79 MPa, respectively. For the 0°/90° unidirectional false banana fiber orientation, the measured tensile, flexural, and compression strength were 55.99 MPa, 168.81 MPa, and 88.64 MPa, respectively. For the woven false banana fiber composite, the measured tensile, flexural, and compression strength were 48.99 MPa, 122.52 MPa, and 82.61 MPa respectively. The woven false banana fiber composite generally had lower mechanical strength, reduced failure strain, and increased void content compared to unidirectional long false banana fiber composites. On the other hand, adding crystalline nanocellulose particle fillers significantly improved the average tensile strength of unidirectional and woven false banana fiber composites by 16.28% and 18.13%, respectively. The findings obtained from this study are an excellent resource for developing high-performance natural composite structural components and industrial and bio-medical applications, including prostheses and orthotics devices.