Unveiling the Corrosion, Optoelectrical and Strengthening Effect of Recycled Snail Shell Particulate on Doped 75Al + 25SSP Alloy for Marine and Automotive Application

Abstract:

Modern engineering components require composites that are robust, lightweight, and inexpensive as integrated particulate for solid strengthening and corrosion resistance alloy. This study envisions a snail shell particulate (SSP) as a potential biofillers on aluminium alloy due to its inherent characteristics. The fabrication of the developed alloy was done through liquid stir casting method with determination to examine the correspondent physical, optoelectrical, electrochemical, and microstructural behaviour for chemical application. Composite infringement varies from 10% - 25% SSP after optimization using design of experiment. The result of electrochemical analysis showed a notable decrease in corrosion rate with increased SSP content from 12.06 mm/yr, of control sample to (75Al-25SSP) which had a corrosion rate of 7.59 mm/yr, resulting in a 40.1% drop-in degradation rate. Notably, microhardness properties increase from 28.1 to 45.5 HRB as a result of solid strengthening characteristics of doped fillers. Opto-electrical assessment demonstrated decreasing resistivity with higher SSP content, indicating improved current flow resistance. The microstructural properties showcased SSP's distinctive dispersion with few micro pores. The intermetallic phases confirmed their integration into the metal matrix by providing an enhancing adhesion and solid crystalline structure.

• Periodical: Key Engineering Materials (Volume 1025)
• Pages: 73-84
• DOI: https://doi.org/10.4028/p-Kkj0xy
• Online since: October 2025
• Authors: Ojo S. I. Fayomi*
• Keywords: Aluminium, Corrosion, Hardness, Reinforcement, Snail Shell, Surface Morphology

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