Influence of Ultrasonic Vibration towards the Microstructure Refinement and Particulate Distribution of AA7150-B4C Nanocomposites
Source abstract
Abstract
Aluminum-based metal matrix composites with single or multiple ceramic reinforcements are finding application in the aerospace and automobile industries. In this research work, novel AA7150-B4C (aluminium7150 alloy–Boron carbide) nanocomposites were successfully fabricated, through the liquid metallurgy route via stir casting method, with the incorporation of B4C nanoparticles with different weight percentages using a novel sequence of a vortex technique and a double stir casting process with ultrasonication. The formed composites have been thoroughly studied for microstructure refinement, nano-particulate distribution, and bonding with the matrix by making use of the optical microscopy (OM) and scanning electron microscopy (SEM) studies (respectively). In addition, the composites were analyzed for the density, porosity, and elemental composition. Further, the composites were tested for the investigation of mechanical properties, like micro-hardness and tensile strength, to investigate the influence of ultrasonic vibration on the arrangement of B4C nano-particulates. The analysis indicated that the mechanical properties of the AA7150-B4C nanocomposites in as-cast condition significantly improved with a gain of 57.7% in strength and 24.5% in hardness compared to the native AA7150 material.
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Research context
OpenAlex topics: Aluminum Alloys Composites Properties · Aluminum Alloy Microstructure Properties · Advanced ceramic materials synthesis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Mechanical Engineering, National Institute of Technology-Andhra Pradesh (NIT-AP), Tadepalligudem 534 101, India
Department of Mechanical Engineering, National Institute of Technology-Warangal (NIT-W), Warangal 506 004, India
National Institute of Technology-Andhra Pradesh (NIT-AP), Tadepalligudem 534 101, India
Department of Mechanical Engineering, PDPM Indian Institute of Information Technology, Jabalpur Campus, Khamaria, Jabalpur 482 005, India
Office of the Dean (Research) and Division of Chemistry, Department of Science, Faculty of Science & Technology, Alliance University, Chandapura-Anekal Main Road, Bengaluru 562 106, India
NTRC-MCETRC and 109 Nano Composite Technologies Pvt. Ltd., Guntur 522 201, India
Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
Department of Chemistry, Southern University and A&M College, Baton Rouge, LA 70813, USA
Funding
King Saud University
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