Evaluation of the microstructural, mechanical, cribological, and corrosion properties of zinc‑based composites reinforced silica beach sand particulates.
Ogbonna, V. E. Popoola, O. M. Popoola, A. P. I. Mashoeu, O. C. Adeosun, S. O.
Ogbonna, V. E.
Popoola, O. M.
Popoola, A. P. I.
Mashoeu, O. C.
Adeosun, S. O.
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Abstract
In this study, the characterization of mechanical, tribological, and corrosion behavior of silica sand-reinforced zinc (Zn) alloy composites was carried out. The zinc alloy matrix composites were developed at 0- and 10-wt% SiO2 sand particulates reinforcement using stir-casting technique. Microstructural examination, mechanical, tribological, and corrosion behavior evaluation of the composites were conducted using scanning electron microscope/optical microscope, nanoindentation test, tribometer device, and potentiodynamic tester, respectively. Results obtained from the microstructural analysis revealed that the SiO2 particulates were well dispersed into the zinc-based alloy matrix. The addition of SiO2 sand particles into the Zn alloy matrix improved its hardness and elastic modulus by approximately 48.4% and 16.2%, respectively. Additionally, the wear test and corrosion test revealed that the wear rate and corrosion rate of the composites decreased with the SiO2 sand particles incorporation, which indicates SiO2 sand reinforcement efficiency on improving the wear resistance and corrosion resistance of the Zn-based alloy materials and a guide for a better control of their wear and corrosion. These findings suggest the potential usability of SiO2 sand particle-reinforced Zn-based alloy composite materials for specific mechanical load-bearing, friction, and corrosion control applications.
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Date
2025-01-12
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Springer Nature
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Keywords
Zinc alloy, Silica (SiO2) sand, Composite, Mechanical, Wear, Corrosion