Investigating the impact of TiO2 filler on abrasive wear characteristics of bamboo fiber-reinforced epoxy composites using the Taguchi method

Ravikantha Prabhu, Sharun Mendonca, Pavana Kumara Bellairu, Rudolf C Dsouza, Thirumaleshwara S. G. Bhat
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Abstract

Purpose The purpose of this study is to investigate the impact of titanium oxide (TiO2) filler on the abrasive wear properties of bamboo fiber reinforced epoxy composites (BFRCs) using a Taguchi approach. The study aims to enhance the abrasive wear resistance of these composites by introducing TiO2 filler as a potential reinforcement, thus contributing to the development of sustainable and environmentally friendly materials. Design/methodology/approach This study focuses on the fabrication of epoxy/bamboo composites infused with TiO2 particles within the Wt.% range of 0–8 Wt.% using hand layup techniques. The resulting composites were subjected to wear testing according to ASTM G99-05 standards. Statistical analysis of the wear results was carried out using the Taguchi design of experiments (DOE). Additionally, an analysis of variance (ANOVA) was used to determine the influential control factors impacting the specific wear rate (SWR) and coefficient of friction (COF). Findings The study illuminates how integrating TiO2 filler enhances abrasive wear in epoxy/bamboo composites. Statistical analysis of SWR highlights abrasive grit size (grit) as the most influential factor, followed by normal load, Wt.% of TiO2 and sliding distance. Analysis of the COF identifies normal load as the primary influential factor, followed by grit, Wt.% of TiO2 and sliding distance. The Taguchi predictive model closely aligns with experimental results, validating its reliability. The morphological study revealed significant differences between the unfilled and TiO2-filled composites. The inclusion of TiO2 improved wear resistance, as evidenced by reduced surface damage and wear debris. Originality/value This research paper aims to integrate TiO2 filler and bamboo fibers to create an innovative hybrid composite material. TiO2 micro and nanoparticles show promise as filler materials, contributing to improved tribological properties of epoxy composites. The utilization of Taguchi’s DOE and ANOVA for statistical analysis provides valuable guidance for academic researchers and practitioners in optimizing control variables, especially in the context of natural fiber reinforced composites.
用田口方法研究 TiO2 填料对竹纤维增强环氧树脂复合材料磨料磨损特性的影响
本研究的目的是采用田口方法研究氧化钛(TiO2)填料对竹纤维增强环氧树脂复合材料(BFRCs)磨料磨损性能的影响。该研究旨在通过引入 TiO2 填料作为一种潜在的增强材料来提高这些复合材料的耐磨损性,从而促进可持续环保材料的发展。 设计/方法/途径 该研究的重点是采用手糊技术制造环氧树脂/竹纤维复合材料,并在 0-8 重量百分比的范围内注入 TiO2 颗粒。根据 ASTM G99-05 标准对制成的复合材料进行了磨损测试。采用田口试验设计法(DOE)对磨损结果进行了统计分析。此外,还采用了方差分析 (ANOVA) 来确定影响特定磨损率 (SWR) 和摩擦系数 (COF) 的控制因素。对 SWR 的统计分析表明,磨料粒度(磨粒)是影响最大的因素,其次是正常载荷、TiO2 重量百分比和滑动距离。对 COF 的分析表明,正常载荷是主要影响因素,其次是磨粒、TiO2 重量百分比和滑动距离。田口预测模型与实验结果非常吻合,验证了其可靠性。形态学研究表明,未填充和填充 TiO2 的复合材料之间存在显著差异。TiO2的加入提高了耐磨性,表面损伤和磨损碎片的减少证明了这一点。TiO2 微粒和纳米粒子有望作为填充材料,改善环氧树脂复合材料的摩擦学性能。利用田口 DOE 和方差分析进行统计分析为学术研究人员和从业人员优化控制变量提供了宝贵的指导,尤其是在天然纤维增强复合材料方面。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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