Microstructural evolution and mechanical characterization of micro Al2O3 particles reinforced Al6061 alloy metal composites

Balaraj, V.; Kori, Nagaraj; Nagaral, Madeva; Auradi, V.

doi:10.1016/j.matpr.2021.04.500

Cited by 13 publications

(8 citation statements)

References 9 publications

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“…% of SiC in the Al6061. Many researchers have made the common features on the tensile fractured surfaces [42].…”

Section: Tensile Fractographymentioning

confidence: 99%

Mechanical characterization and fractography of 100 micron sized silicon carbide particles reinforced Al6061 alloy composites

Nagaral¹,

R²,

Auradi

et al. 2021

Metall Mater Eng

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In the current exploration, the impact of the 100 to 125 micron size addition of silicon carbide (SiC) on the mechanical performance of Al6061 alloy has been studied. The Al6061 alloy dispersed with 6, 9, and 12 wt.% of SiC particles were synthesized by a two-step stir cast route. Two-step addition of the preheated particles into the melt helps avoid the agglomeration of the particles, which further contributes to enhancing the properties of composites. The orchestrated composites were exposed to microstructural examines and mechanical properties evaluation. Microstructural portrayals of acquired examples were completed by SEM microscopy, EDS, and XRD patterns. The event of SiC particles were affirmed by the XRD patterns. The density of the Al6061-SiC composites was increased with the addition of high-density silicon carbide particles. The hardness, ultimate, and yield qualities of metal composites have been improved with the increase in the content of SiC support. The ductility of SiC reinforced composites decreased with hard ceramic particles' incorporation in the Al matrix alloy. Various fracture mechanisms were observed in the Al6061-SiC composites using SEM.

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“…% of SiC in the Al6061. Many researchers have made the common features on the tensile fractured surfaces [42].…”

Section: Tensile Fractographymentioning

confidence: 99%

Mechanical characterization and fractography of 100 micron sized silicon carbide particles reinforced Al6061 alloy composites

Nagaral¹,

R²,

Auradi

et al. 2021

Metall Mater Eng

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“…The hardness extended in the sensitive structure as the hardness of B 4 C particles is 2700 BHN, which fabricates the hardness of Al2030-B 4 C lattice. Balaraj and co-authors investigated the effect of Al 2 O 3 particles on hardness of Al6061 alloy (11) .…”

Section: Hardness Measurementsmentioning

confidence: 99%

Microstructure, Tensile and Flexural Strength of Boron Carbide Particles Reinforced Al2030 Alloy Composites

Babu¹,

Saravanan²,

Raviprakash³

et al. 2021

IJST

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Objective: To synthesize and assess the mechanical behaviour of 12 wt. % of 80 to 90 micron sized B 4 C reinforced Al2030 alloy metal composites. Method: Al2030 alloy with 12 wt. % of B 4 C reinforced composites were developed by liquid melt stir cast method. These prepared composites were subjected to microstructural characterization by SEM, EDS and XRD. Mechanical properties like hardness, tensile and flexural strength were evaluated according to ASTM standards. Findings: Scanning electron micrograph of Al2030 alloy with 12 wt. % of B 4 C composites revealed the thorough distribution of boron carbide particles in the Al2030 matrix. EDS and X-ray diffractometer patterns confirmed the presence of boron carbide particles in the Al2030 alloy matrix. The addition of 12 wt. % of B 4 C particles enhanced the hardness by 74.8%, ultimate strength by 59.2%, yield strength by 64.8% and flexural strength by 44.2% with slight decrease in ductility. Novelty: Al2030 alloy is an aerospace grade aluminium alloy widely used for industrial applications. Advanced metal composites developed with the incorporation of 80 to 90 micron sized B 4 C particles in Al2030 alloy helps in weight reduction of aerospace components.

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“…Hard ceramic particles such as SiO2, SiC, Al2O3, TiB2, B4C, etc. may be added to the Al matrix to reinforce it and increase its characteristics [4]. Al2O3 and SiC ceramic particles are the most often utilized materials for aluminum reinforcement.…”

Section: Introductionmentioning

confidence: 99%

Influence of B4C particle size on the mechanical behavior of A356 aluminium composites

Ali¹,

Muthuraman²,

Rathnakumar³

et al. 2023

Res. Eng. Struct. Mater.

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The influence of adding B4C particulates with a 40 and 90 µm sizes on the compressive strength, tensile strength and impact toughness of the A356 alloy is being studied. In the Al alloy matrix, 40 and 90 µm -sized micro B4C particulates are employed as reinforcements. In the A356 alloy, composites are created utilizing the liquid melt process in increments of 3 and 6 weight percent. Using an energy dispersive spectroscope (EDS) and a scanning electron microscope (SEM), samples are examined for microstructural characterization. According to ASTM standards, mechanical characteristics including tensile, hardness, compression, and toughness are assessed. The consistent distribution of B4C particles in the A356 alloy is seen in SEM micrographs, and this is supported by EDS analysis. Additionally, the inclusion of B4C reinforcement improves the compression and impact strength of the base matrix A356 alloy, which is especially noticeable in the case of reinforced composites that are 6 wt. % of 40 µm B4C in size.

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Microstructural evolution and mechanical characterization of micro Al2O3 particles reinforced Al6061 alloy metal composites

Cited by 13 publications

References 9 publications

Mechanical characterization and fractography of 100 micron sized silicon carbide particles reinforced Al6061 alloy composites

Mechanical characterization and fractography of 100 micron sized silicon carbide particles reinforced Al6061 alloy composites

Microstructure, Tensile and Flexural Strength of Boron Carbide Particles Reinforced Al2030 Alloy Composites

Influence of B4C particle size on the mechanical behavior of A356 aluminium composites

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