Farooz Ahmad Najar, Sandeep Rathee, Manu Srivastava, Deepak Chhabra
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Surface Modification and Properties Enhancement of AA6082 Using Multi-Pass Friction Stir Processing
In the present study, surface composites (SCs) of AA6082/SiC were developed using the friction stir processing (FSP) method to improve properties of AA6082. One, three, and five passes of FSP were employed in order to examine the changes in microstructure and properties of AA6082. Microstructural examination showed that the five pass FSPed AA6082/SiC SCs exhibited finer grain structure and better dispersion of SiC nanoparticles. Mechanical and tribological properties revealed that on increasing number of FSP passes resulted in improved ultimate tensile strength and wear resistance. Similarly better corrosion resistance was obtained in 5-pass SCs compared to the base metal. The results provided valuable insights for the developmental and homogeneous distribution of SiC nano-particles within the metal matrix and strongly validate with microstructural evolution.
期刊介绍：
Metals and Materials International publishes original papers and occasional critical reviews on all aspects of research and technology in materials engineering: physical metallurgy, materials science, and processing of metals and other materials. Emphasis is placed on those aspects of the science of materials that are concerned with the relationships among the processing, structure and properties (mechanical, chemical, electrical, electrochemical, magnetic and optical) of materials. Aspects of processing include the melting, casting, and fabrication with the thermodynamics, kinetics and modeling.
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