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Diyala Journal of Engineering Sciences
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Mechanical Properties and Wear Behaviour of Al 6061 Matrix Composites with Hybrid Reinforcements through Powder Metallurgy Technique

Authors: Hussein B. Mohammed; Iman M. Naemah; Abdul Jabbar Saad Jomah;

Mechanical Properties and Wear Behaviour of Al 6061 Matrix Composites with Hybrid Reinforcements through Powder Metallurgy Technique

Abstract

Hybrid aluminum composites are frequently used in industrial applications because of their attractive mechanical and tribological properties to weight ratio, such as hardness, strength, and wear resistance. This work investigated the mechanical properties, microstructure, density, and wear behavior of Al-6061 matrix reinforced with different percentages (2 and 4 Wt.% for each Al2O3, SiO2, SiC, and TiO2) and (2 and 4 Wt.% for each Al2O3, TiO2, and SiC, SiO2) hybrid composites at 50 μm average size using the powder metallurgy technique. The process of creating a component in net or nearly net shape is known as powder metallurgy. Due to its benefits, including great dimensional control and the avoidance of intermediate machining operations, P/M is one of the fastest-expanding pathways in many industrial applications. According to the results, the optimum hardness and density were 95 HV and 3.1 g/cm3, respectively, for the hybrid composite (Al- 2SiC 2SiO2) after the sintering operation. The highest hardness was (95HV) at the addition hybrid composite (Al- 2SiC 2SiO2). Microstructural characterization using optical microscopy shows that the hybrid composite (Al-2%SiC 2%SiO2) was the best. The SEM photographs of the worn surface of the Al-2%SiC/2%SiO2 hybrid composite exhibited the least wear losses and grooves. The lowest wear rate was (13*10ˉ6) at the addition of hybrid composite (Al- 2SiC 2SiO2) at load (5N). 

Keywords

Mechanics of engineering. Applied mechanics, Environmental engineering, Mechanical properties, TA213-215, TA349-359, TA170-171, TK1-9971, Wear rate, Engineering machinery, tools, and implements, Chemical engineering, Powder metallurgy, Hybrid composites, Metal matrix composites, TP155-156, Electrical engineering. Electronics. Nuclear engineering

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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