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TRIBOLOGICAL PERFORMANCE AND MICROSTRUCTURAL ANALYSIS OF AN ALUMINIUM ALLOY BASED HYBRID COMPOSITE PRODUCED BY P/M

机译:P / M产生的铝合金杂合复合材料的摩擦学性能和微观结构分析

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摘要

In the field of material science and engineering, there is a great impact ever since the invention of composites materials. High strength to weight ratio provides the attractive combination that moves composite materials into new era. The conventional materials like cast iron, steel, and aluminium alloy are replaced by the composite materials due to its superficial properties and could be applied in aerospace and automotive applications. Powder metallurgy fabrication technique is one of the best and attractive methods for producing metal matrix composites because of its better distribution of particles and reliability and cost in manufacturing. In this paper, composites based on aluminium alloy (Al 2024) reinforced with 10% weight fraction of hard ceramics like Aluminium oxide (Al_2O_3) and 10% weight fraction of Aluminium oxide (Al_2O_3) with 5% graphite particles is produced by Powder metallurgy method. Hardness and wear test are conducted for the Al 2024, Al-10%Al_2O_3, and Al-10% Al_2O_3-5% Graphite. In addition the surfaces of the composite are analyzed by SEM to study the wear of the composites.
机译:在材料科学与工程领域,自复合材料材料发明以来有史以来有很大的影响。重量比的高强度提供了将复合材料移动到新时代的有吸引力的组合。铸铁,钢和铝合金等常规材料由于其浅表性能而取代,可应用于航空航天和汽车应用。粉末冶金制造技术是生产金属基质复合材料的最佳和有吸引力的方法之一,因为它更好地分布了颗粒和制造中的可靠性和成本。本文通过粉末冶金方法生产,基于氧化铝(Al_2O_3)等10%重量级硬陶瓷(Al_2O_3)和10%重量分数的铝合金(Al 2024)的复合材料加强氧化铝(Al_2O_3)和10%氧化铝(Al_2O_3),粉末冶金方法生产。对于Al 2024,Al-10%Al_2O_3和Al-10%Al_2O_3-5%石墨进行硬度和磨损试验。此外,通过SEM分析复合材料的表面,研究复合材料的磨损。

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