Abstract
The current study chiefly depicts the fabrication and investigation of mechanical and microstructural properties of Al7SiMg/RHA metal matrix composites with a different weight percentage of reinforcement by employing stir casting technique. Nickel plating is electrodeposited on to the base alloy and metal matrix composites using a conventionally stirred electrolytic watts bath. The microstructure characterization of the composites and the nickel electrodeposition superficial morphology is inspected by employing scanning electron microscope, X-ray diffraction techniques. The prime mechanical properties like density, hardness, and tensile strength of the metal matrix composites were investigated for the base alloy and Al7SiMg/RHA metal matrix composites. Scratch test is performed for nickel plated specimens for determining the adhesion characteristics. Hardness and residual stresses for nickel plated specimens are studied and presented in this paper.
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