钢丝和亚麻纤维毡增强的环氧树脂复合材料的滑动磨损特性:实验和分析研究

IF 4.8 2区 材料科学 Q2 MATERIALS SCIENCE, COMPOSITES Polymer Composites Pub Date : 2024-08-23 DOI:10.1002/pc.28964
Subham Kumar Bhoi, Alok Satapathy
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引用次数: 0

摘要

本研究评估了由亚麻纤维毡和钢丝网交替层增强的环氧混合复合材料的滑动磨损行为。目的是通过加入钢丝网增强亚麻纤维-环氧树脂复合材料的耐磨性。具体来说,使用简单的手糊技术,通过改变堆叠顺序生产出三种类型的复合材料。根据 ASTM G99 标准,在不同条件下在针盘试验台上进行了干滑动磨损试验。使用 L25 正交阵列进行田口分析,结果表明滑动速度是影响钢-亚麻-环氧混合复合材料磨损率的最关键因素,其次是法向载荷。随后的稳态磨损分析表明,滑动速度和法向载荷增加了比磨损率(SWR),而钢筋则降低了比磨损率。方差分析结果表明,滑动速度对磨损率的影响对亚麻-环氧复合材料的影响达到 69.47%,对亚麻-钢-环氧复合材料的影响超过 70%。此外,还使用电子显微镜研究了复合材料的磨损表面,以确定磨损机制。
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Sliding wear characteristics of epoxy composites reinforced with steel wire and flax fiber mats: An experimental and analytical study
This study evaluates the sliding wear behavior of hybrid composites made of epoxy reinforced with alternating layers of flax fiber mats and steel wire mesh. The aim is to enhance the wear resistance of flax fiber-epoxy composites by incorporating steel wire mesh. Specifically, three composite types are produced by varying their stacking sequences using the simple hand layup technique. Dry sliding wear tests are performed on a pin-on-disc test rig under different conditions according to ASTM G99 standard. Taguchi analysis is performed using an L25 orthogonal array and it reveals that sliding velocity is the most critical factor, followed by normal load, in affecting the wear rate of the steel-flax-epoxy hybrid composite. Subsequently, a steady-state wear analysis shows that sliding velocity and normal load increase the specific wear rate (SWR), while steel reinforcement decreases it. ANOVA results indicate that sliding velocity significantly impacts wear rates to the extent of 69.47% for flax-epoxy composite and more than 70% for flax-steel-epoxy composites. Additionally, electron microscopy is used to study the worn surfaces of the composites to determine the wear mechanisms.
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来源期刊
Polymer Composites
Polymer Composites 工程技术-材料科学:复合
CiteScore
7.50
自引率
32.70%
发文量
673
审稿时长
3.1 months
期刊介绍: Polymer Composites is the engineering and scientific journal serving the fields of reinforced plastics and polymer composites including research, production, processing, and applications. PC brings you the details of developments in this rapidly expanding area of technology long before they are commercial realities.
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