Experimental Investigation on Hardness, Wear and Microstructure of Aluminium Metal Matrix Composite Reinforced with Aluminium Oxide and Boron Carbide

Q3 Engineering

International Journal of Vehicle Structures and Systems Pub Date : 2022-12-25 DOI:10.4273/ijvss.14.7.02

S. Surya, B. N. Sreeharan, R. K. Nitheeshwar

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引用次数: 0

Abstract

Composites with an aluminium metal matrix (AMMCs) are especially important in various fields of medicine and engineering, such as aerospace, national defence, automobiles and consumer goods, due to its light weight, excellent properties and low cost. These AMMCs offer a wide range of mechanical properties according to Al-matrix chemistry. The addition of various reinforcing additives such as Al2O3, B4C to the aluminium matrix further improves the mechanical and tribological properties. This investigation is focused on the addition of different weight percentages of Al2O3 while keeping B4C constant with Al 6061 alloy and evaluating the mechanical properties by running tests like wear, hardness and microstructure. By observing the results, a conclusion was reached that the addition of reinforcements had successfully enhanced the composite or not. In other words, it helped to improve the wear resistance of the composite in the application of automotive parts. This has been investigated by fabricating the composites by stir casting.

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氧化铝和碳化硼增强铝基复合材料硬度、磨损及显微组织的试验研究

铝金属基复合材料(ammc)由于其重量轻、性能优异和成本低，在医学和工程的各个领域尤其重要，如航空航天、国防、汽车和消费品。根据铝基化学，这些ammc提供了广泛的机械性能。在铝基体中加入各种增强剂如Al2O3、B4C，进一步改善了机械性能和摩擦学性能。本研究主要是在al6061合金中添加不同重量百分比的Al2O3，同时保持B4C不变，并通过磨损、硬度和显微组织等测试来评价其力学性能。通过对结果的观察，得出了增强剂的加入是否成功增强复合材料的结论。换句话说，它有助于提高复合材料在汽车零部件应用中的耐磨性。通过搅拌铸造制备复合材料，对这一问题进行了研究。

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来源期刊

International Journal of Vehicle Structures and Systems Engineering-Mechanical Engineering

CiteScore

0.90

自引率

0.00%

发文量

期刊介绍： The International Journal of Vehicle Structures and Systems (IJVSS) is a quarterly journal and is published by MechAero Foundation for Technical Research and Education Excellence (MAFTREE), based in Chennai, India. MAFTREE is engaged in promoting the advancement of technical research and education in the field of mechanical, aerospace, automotive and its related branches of engineering, science, and technology. IJVSS disseminates high quality original research and review papers, case studies, technical notes and book reviews. All published papers in this journal will have undergone rigorous peer review. IJVSS was founded in 2009. IJVSS is available in Print (ISSN 0975-3060) and Online (ISSN 0975-3540) versions. The prime focus of the IJVSS is given to the subjects of modelling, analysis, design, simulation, optimization and testing of structures and systems of the following: 1. Automotive vehicle including scooter, auto, car, motor sport and racing vehicles, 2. Truck, trailer and heavy vehicles for road transport, 3. Rail, bus, tram, emerging transit and hybrid vehicle, 4. Terrain vehicle, armoured vehicle, construction vehicle and Unmanned Ground Vehicle, 5. Aircraft, launch vehicle, missile, airship, spacecraft, space exploration vehicle, 6. Unmanned Aerial Vehicle, Micro Aerial Vehicle, 7. Marine vehicle, ship and yachts and under water vehicles.