Abstract
ABSTRACT This study highlights significant advancements in the mechanical properties of bamboo fibers through mechano-chemical extraction and characterization methods, focusing on untreated, vacuum-pressure impregnation (VPI), and tannic acid-treated fibers for fiber-reinforced polymer (FRP) composites. Notably, VPI treatment increased fiber extraction efficiency in chimono bamboo from 78% to 82.96%, while asamica bamboo exhibited a decline from 58% to 35.04%. X-ray diffraction (XRD) analysis showed enhanced crystallinity, with TVPI-CBFs displaying sharper peaks at 2θ = 22.6° (002) and 16° (101), indicative of improved structural alignment. Thermal stability, assessed via thermal gravimetric analysis (TGA), revealed delayed degradation in VPI-CBFs, with TVPI-CBFs demonstrating superior thermal resistance. Fourier transform infrared spectroscopy (FTIR) spectra identified a new peak at 1742 cm−1 in TVPI-CBFs, confirming effective interaction with tannic acid. Mechanical testing showed a peak tensile strength of 270 ± 5.1 MPa at 1 wt% fiber content in TVPI-CBFC, underscoring the significant improvements achieved. Fracture surface analysis indicated enhanced interfacial bonding between fibers and the matrix, essential for durability and load transfer. The study addresses the critical need for sustainable, high-performance materials in industrial applications, offering a viable alternative to conventional composites through tailored bamboo-fiber treatments, thus advancing sustainable construction and manufacturing solutions.
Published Version
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