Ashwin Shah Material scientisit, electrometallurgy, Corrosion
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Hello! I'm Ashwin Shah, a passionate Research Scholar with a strong background in Materials Science and Engineering. My academic journey and hands-on research experience have equipped me with a deep understanding of complex material behaviors, synthesis techniques, and characterization methods. I'm excited to bring this expertise to you as your online freelance tutor.
My Expertise & Research Focus:
My research extensively involves the synthesis and characterization of High-Entropy Alloys (HEAs), particularly through advanced techniques like electrodeposition and ball milling. I have presented on and possess in-depth knowledge of:
• Electrodeposition of HEA Coatings: My work includes the electrodeposition and characterization of AlCoCrFeNi and AlCoCrFeNiW HEA coatings. I have a comprehensive understanding of electrodeposition setups, parameters (current density, pH, stirring rates), cyclic voltammetry, and the influence of additives. I can guide you through understanding coating morphology (dense, uniform nanograins vs. granular structures), cross-sectional analysis, and elemental mapping.
• Structural and Surface Analysis: I am proficient in analyzing materials using techniques such as X-ray Diffraction (XRD) to determine phase formation (e.g., FCC, BCC, dual-phase microstructures), crystallite size, and lattice strain. I also have experience with surface topography and wettability studies using Atomic Force Microscopy (AFM) and contact angle measurements.
• Corrosion Behavior of Materials: A significant part of my expertise lies in evaluating corrosion resistance through potentiodynamic polarization and Electrochemical Impedance Spectroscopy (EIS). I can explain corrosion potentials (Ecorr), corrosion current densities (icorr), charge transfer resistance (Rct), and the role of equivalent circuit models.
• Oxide Layer Stability and XPS Analysis: I have a detailed understanding of the stability of passive oxide layers based on density and composition, as revealed by X-ray Photoelectron Spectroscopy (XPS). I can explain how the presence of specific oxides (like dense Cr₂O₃, Al₂O₃, and especially WO₃) and the reduction of less dense hydrated species contribute to enhanced corrosion resistance.
• High-Entropy Alloy Synthesis (Ball Milling): I am currently researching FeCoNiMoW HEAs synthesized by ball milling, varying parameters like milling time (10-50 hours). This practical experience gives me insight into the relationship between processing, microstructure, and properties.
My goal is to make complex materials science concepts accessible and engaging. Whether you're a student struggling with fundamental principles, a researcher needing guidance on experimental data interpretation, or someone looking to understand the exciting field of HEAs and advanced materials, I can provide:
• Clear Explanations: Breaking down intricate theories and experimental methodologies into understandable concepts.
• Practical Insights: Sharing real-world applications and challenges from my research.
• Problem-Solving Strategies: Helping you approach and solve materials science problems effectively.
• Research Guidance: Offering insights into data analysis, characterization techniques, and the potential of cutting-edge tools like machine learning in materials research.
Let's explore the fascinating world of materials science together and help you achieve your academic and research goals!

Subjects

  • Material Design Beginner-Expert

  • Material Science Engineering Beginner-Expert

  • Corrosion Engineering Beginner-Expert

  • Materials Characterisation Techniques Beginner-Expert

  • X-ray photoelectron spectroscopy (XPS) Beginner-Expert

Experience

No experience mentioned.

Education

  • Ph.D (Feb, 2020–Jan, 2025) from Malviya national institute of technology Jaipur

Fee details

    ₹1,000–3,000/hour (US$10.53–31.58/hour)

    1000 to 3000 based on the topic and subject

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