Study of tribological behavior using the Taguchi method and pin-on-disc machine along with mechanical properties of hybrid polymer composites

IF 2.2 4区化学 Q3 CHEMISTRY, PHYSICAL

Colloid and Polymer Science Pub Date : 2025-01-09 DOI:10.1007/s00396-025-05377-9

S Kartik Shubham, Ajay Pandey, Rajesh Purohit

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Abstract

Polymer composite with a high strength-to-lightweight ratio is very much in trend in aviation and metro cabins, sports, and medical equipment. This research develops and tests a hybrid polymer composite laminate (HPCL) using hand lay-up and compression molding techniques. Epoxy is used as the matrix for creating Kevlar/banana fiber (KBF) and nanographene oxide (GO)-reinforced composites with varying GO weight percentages (0, 0.25, 0.5, 0.75, and 1 wt.%). Wear analysis is conducted through a design of experiment approach and ANOVA to examine the effects of parameters like filler weight percentage, normal load, velocity, and sliding distance on weight loss. Sliding distances (200–500 m), normal loads (5–20 N), and velocities (1–4 m/s) are tested. Mechanical tests reveal maximum tensile strength (300.18 MPa), flexural strength (425.56 MPa), hardness (85.68), and interlaminar shear strength (42.23 MPa). Among the composites, the KBF/epoxy composite with 0.5 wt.% GO shows improved mechanical properties, while GO reduces wear and weight loss. Worn surfaces, analyzed by tungsten-scanning electron microscopy (W-SEM), support these results. The highest impact strength of 771.6 J/m is found at 0.25 wt.% GO. Hence, with all these properties, HPCL was found to be one of the best alternatives to conventional composites.

Graphical Abstract

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杂化聚合物复合材料摩擦学行为及力学性能的田口法和销盘机研究

高强轻比的聚合物复合材料在航空和地铁客舱、运动和医疗设备中非常流行。本研究开发并测试了一种混合聚合物复合层压板（HPCL），采用手工铺层和压缩成型技术。环氧树脂被用作制造凯夫拉/香蕉纤维（KBF）和氧化石墨烯（GO）增强复合材料的基质，其氧化石墨烯的重量百分比不同（0、0.25、0.5、0.75和1 wt.%）。磨损分析通过实验设计方法和方差分析来检验填料重量百分比、正常载荷、速度和滑动距离等参数对重量损失的影响。测试滑动距离（200-500米）、正常载荷（5-20牛）和速度（1-4米/秒）。力学试验显示最大抗拉强度（300.18 MPa）、抗折强度（425.56 MPa）、硬度（85.68）和层间剪切强度（42.23 MPa）。在复合材料中，添加0.5% wt.%氧化石墨烯的KBF/环氧复合材料的力学性能得到改善，氧化石墨烯减少了磨损和重量损失。钨扫描电子显微镜（W-SEM）分析的磨损表面支持这些结果。当氧化石墨烯质量分数为0.25 wt.%时，冲击强度达到771.6 J/m。因此，具有所有这些特性，HPCL被发现是传统复合材料的最佳替代品之一。图形抽象

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来源期刊

Colloid and Polymer Science 化学-高分子科学

CiteScore

4.60

自引率

4.20%

发文量

111

审稿时长

2.2 months

期刊介绍： Colloid and Polymer Science - a leading international journal of longstanding tradition - is devoted to colloid and polymer science and its interdisciplinary interactions. As such, it responds to a demand which has lost none of its actuality as revealed in the trends of contemporary materials science.