Performance studies on hybrid nano-metal matrix composites for wear and surface quality

IF 1.3 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Science-Poland Pub Date : 2023-08-01 DOI:10.2478/msp-2023-0020

P.R. Kannan, R Thanigaivelan, R Thiraviam, K Pradeep Kumar

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Abstract

Abstract Aluminium-based hybrid nano-metal matrix composites are right materials, finding application in the aerospace and automotive industry. The present research focused on the effects of sliding load, sliding velocity, and temperature on wear behaviour of a novel hybrid metal matrix nano-composite .Stir-squeeze casting setup is used to produce the composites. The base metal is scrap aluminium alloy wheel (SAAW) reinforced with 1, 2, wt.% and 5.5, 7 wt.% of micro-sized alumina (Al 2 O 3 ) m and nano-sized alumina (Al 2 O 3 ) n particle respectively. An orthogonal array L 9 (OA) has been used for designing the experiments. Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) is applied to find the optimal condition for Coefficient of Friction(COF),wear, surface roughness. Analysis of Variance (ANOVA) results show that the reinforcement contributes 19.40% and most influencing factor is sliding load with 62.33%. The samples tested were examined and analyzed using a Field Emission Scanning Electron Microscope (FESEM) and an energy-dispersive X-ray spectrometry (EDX). Additionally, a profilometer was used to measure the surface roughness of the worn-out specimen.

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杂化纳米金属基复合材料的磨损性能和表面质量研究

摘要铝基杂化纳米金属基复合材料在航空航天和汽车工业中有着广泛的应用前景。本文主要研究了滑动载荷、滑动速度和滑动温度对复合材料磨损性能的影响。母材为废铝合金轮毂(SAAW)，分别添加1.2.2 wt.%和5.5.7 wt.%的微晶氧化铝(al2o3) m和纳米级氧化铝(al2o3) n颗粒。实验采用正交阵列l9 (OA)设计。采用TOPSIS (Order Preference by Similarity to Ideal Solution)方法求解摩擦系数、磨损、表面粗糙度的最优条件。方差分析(ANOVA)结果表明，钢筋对结构的影响为19.40%，其中滑动荷载对结构的影响最大，为62.33%。测试样品使用场发射扫描电子显微镜(FESEM)和能量色散x射线光谱(EDX)进行检查和分析。此外，轮廓仪被用来测量磨损试样的表面粗糙度。

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来源期刊

Materials Science-Poland MATERIALS SCIENCE, MULTIDISCIPLINARY-

自引率

18.20%

发文量

期刊介绍： Material Sciences-Poland is an interdisciplinary journal devoted to experimental research into results on the relationships between structure, processing, properties, technology, and uses of materials. Original research articles and review can be only submitted.