Summary
Akshar Kota, a Ph.D. student from our research group, presented a poster at ASTM ICAM 2024 on enhancing bimetallic interfaces using a hybrid manufacturing approach that combines wire-arc directed energy deposition and precision milling. This method significantly reduces dilution, unmixed zones, and nano-hardness variance, improving the corrosion resistance of bimetallic parts for industrial applications.
Akshar Kota, a Ph.D. student from our research group, presented a poster titled “Enhancing the Interfacial Properties of Low Carbon Steel and SS316L Bi-metallic Interface via Mesoscale Groove Engineering in Hybrid Wire-Arc Directed Energy Deposition” at ASTM ICAM 2024. This research introduces a hybrid manufacturing technique combining wire-arc directed energy deposition and precision milling to address challenges in printing bimetallic 3D structures of low carbon steel and stainless steel 316L (SS316L). The innovative approach achieved a 35% reduction in dilution, a 59.3% decrease in unmixed zones (UMZs), and a 26% reduction in variance in nano-hardness within the UMZ. These enhancements can improve the corrosion performance of bimetallic parts, demonstrating the potential of hybrid manufacturing to optimize bimetallic interfaces for industrial applications in marine, chemical, construction, and nuclear sectors. Co-authors include Nidhi M. Shanghavi, Dr. Ji Ho Jeon, and Dr. Shreyes N. Melkote.
