Vignesh Packkirisamy

Mechanical Engineering

Anna University · India

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About

I am a materials researcher specializing in advanced composite materials, additive manufacturing, and solid-state processing techniques for structural and biomedical applications. My research focuses on developing sustainable, high-performance composites through innovative reinforcement strategies, process optimization, and microstructural engineering. My work integrates experimental fabrication (FDM, friction stir welding, powder metallurgy, squeeze casting, hot pressing), microstructural characterization (OM, SEM, XRD), and statistical optimization tools such as Response Surface Methodology (RSM), Taguchi methods, ANOVA, and Genetic Algorithms. I have extensive experience in: Polymer matrix composites for biomedical and tribological applications, Aluminum and magnesium matrix composites reinforced with ceramic and industrial/agro-waste particles, Friction stir welding of dissimilar alloys with particle incorporation, Wear behavior and mechanical performance evaluation, Sustainable materials development using recycled polymers and industrial waste. My research aims to bridge sustainability, performance optimization, and real-world engineering applications.

Research keywords

Sustainable polymer compositesBio-based and Hyybrid reinforced PLA systemsFused deposition modeling (FDM)Additive manufacturing optimizationFriction stir welding (FSW) of dissimilar alloysMetal matrix composites (Al, Mg)Surface composites via friction stir processingTribology and wear behavior analysisMicrostructural characterization & Phase analysisDesign of experiments (RSM, Taguchi, CCD)Process optimization using statistical and AI-based methodsBiomedical composite materials for orthopedic applicationsWaste-to-value reinforcement strategies

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Mechanical EngineeringBioactive Magnesium–Zinc Alloy Matrix Composites Reinforced with Synthesized Hydroxyapatite for Load-Bearing Orthopedic Implants

Project Overview Magnesium-based alloys are emerging as next-generation biodegradable materials for orthopedic implant applications due to their excellent biocompatibility, biodegradability, and mechanical properties close to natural bone. However, rapid degradation and limited bioactivity remain key challenges. This project focuses on the development of Mg–Zn alloy-based composites reinforced with synthesized hydroxyapatite (HA) to enhance: Corrosion resistance Bioactivity and osseointegration Mechanical integrity Controlled degradation behavior The composites have been successfully fabricated and experimentally characterized. Mechanical testing, microstructural analysis, and preliminary performance evaluations have already been completed. Current Status of Work ✔ Composite fabrication completed ✔ Microstructural characterization (OM/SEM/XRD) performed ✔ Mechanical property evaluation completed ✔ Preliminary degradation/biological assessment initiated Looking for Collaborators In I am seeking research collaborators with expertise in: In vitro / in vivo biological evaluation Electrochemical corrosion analysis in simulated body fluids Surface modification & coating strategies Finite element modeling of biodegradable implants Advanced microstructural characterization (TEM, EBSD, synchrotron studies) Clinical translation and biomedical validation Collaboration Opportunities Joint publications in high-impact SCI journals Funding proposal development (national/international grants) Experimental exchange & shared characterization Co-supervision of PhD / Postdoctoral researchers Researchers working in biomaterials, magnesium alloys, orthopedic implant design, tissue engineering, and biodegradable metals are highly encouraged to connect.