Aluminum Surface Inclusions of Insoluble Lead Enhanced through Mechanical Attrition of Al Substrates

Abstract:

Preparation of aluminum substrates for surface segregation enhancement of insoluble lead deposition was achieved. Sever plastic deformation 'SPD' of Al sheets was done using surface mechanical attrition treatment 'SMAT' in air. Scanning electron microscope SEM of etched Al substrates cuts showed micro-cavities both on the surface and in-depth. Orientation effects and surface inclusions of Pb inside Al surface found at 40 and 50 Hz - SMAT Al by X-Ray diffraction and energy dispersive of X-Rays EDX. Concluding that SMAT frequency limits used enhanced surface inclusions without annealing that could improve adhesion of industrial protective Pb coatings.

• Periodical: Key Engineering Materials (Volume 835)
• Pages: 93-100
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.835.93
• Online since: March 2020
• Authors: Mohamed Refaat Mohamed Ebrahim*, Safaa Kamel El Mahy
• Keywords: Al Substrate, Immiscible Alloy, Severe Plastic Deformation (SPD), Surface Deposition, Surface Mechanical Attrition Treatment (SMAT), Surface Segregation

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