What does this research mean for the field?

Reinforcing AA6063 aluminum with cow horn and eggshell agro-waste yields a composite with slightly reduced flexural and tensile strength compared to pure aluminum, but significantly enhanced impact strength at specific reinforcement ratios, making it potentially suitable for non-structural, high-impact applications. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To assess the mechanical properties and microstructural characteristics of AA6063 aluminum alloy reinforced with varying ratios of eggshell and cow horn powders.

August 30, 2026Hybrid AdvancesOpen Access

Development of cow horn-eggshell reinforced AA 6063 aluminum metal matrix composite

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Authors

CNChukwunonso Nwogu CNChukwunonso Nwogu MAMaureen Allen

Discussion

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Overview

Experimental study demonstrates enhanced impact strength in cow horn and eggshell reinforced AA6063 composites, suggesting utility in non-structural automotive applications.

Key Points

To assess the mechanical properties and microstructural characteristics of AA6063 aluminum alloy reinforced with varying ratios of eggshell and cow horn powders.
Fabricated metal matrix composites by casting AA6063 with powdered eggshell and cow horn in 120 mm × 20 mm × 5 mm molds across twelve distinct proportions determined by extreme vertices design.
Conducted flexural, tensile, and impact strength testing alongside microstructural and chemical characterization using XRD, FTIR, SEM, and XRF.
Unreinforced aluminum achieved the highest flexural strength (328.035 N/mm²) and tensile strength (252.908 N/mm²), followed by the 11.5% eggshell/11.5% cow horn blend (320.874 N/mm²) and 5% eggshell/5% cow horn blend (232.908 N/mm²), respectively.
Impact strength reached a maximum of 18.645 J in the 30% eggshell and 20% cow horn composite, compared to a minimum of 14.967 J observed in the 5% eggshell and 5% cow horn formulation.
Microstructural analysis via XRD revealed slight crystal structure shifts confirming metallurgical bonding between the reinforcements and the aluminum matrix.

Cite This Study

Nwogu et al. (2026) studied this question.

synapsesocial.com/papers/6a93f00a6c1a8fb52e79c1d4 https://doi.org/10.1016/j.hybadv.2026.100733

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August 30, 2026Hybrid AdvancesOpen Access

Development of cow horn-eggshell reinforced AA 6063 aluminum metal matrix composite

View Full Paper

Ask AI

Bookmark

Authors

CNChukwunonso Nwogu CNChukwunonso Nwogu MAMaureen Allen

Discussion

Member takes

Overview

Experimental study demonstrates enhanced impact strength in cow horn and eggshell reinforced AA6063 composites, suggesting utility in non-structural automotive applications.

Key Points

To assess the mechanical properties and microstructural characteristics of AA6063 aluminum alloy reinforced with varying ratios of eggshell and cow horn powders.
Fabricated metal matrix composites by casting AA6063 with powdered eggshell and cow horn in 120 mm × 20 mm × 5 mm molds across twelve distinct proportions determined by extreme vertices design.
Conducted flexural, tensile, and impact strength testing alongside microstructural and chemical characterization using XRD, FTIR, SEM, and XRF.
Unreinforced aluminum achieved the highest flexural strength (328.035 N/mm²) and tensile strength (252.908 N/mm²), followed by the 11.5% eggshell/11.5% cow horn blend (320.874 N/mm²) and 5% eggshell/5% cow horn blend (232.908 N/mm²), respectively.
Impact strength reached a maximum of 18.645 J in the 30% eggshell and 20% cow horn composite, compared to a minimum of 14.967 J observed in the 5% eggshell and 5% cow horn formulation.
Microstructural analysis via XRD revealed slight crystal structure shifts confirming metallurgical bonding between the reinforcements and the aluminum matrix.

Cite This Study

Nwogu et al. (2026) studied this question.

synapsesocial.com/papers/6a93f00a6c1a8fb52e79c1d4 https://doi.org/10.1016/j.hybadv.2026.100733

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