The University of Osaka · Engineering
Professor Ammarueda Issariyapat's research lab specializes in materials science with a focus on intermetallic phases, particularly aluminum-nickel systems, and their synthesis, microstructure evolution, and thermodynamic behavior under controlled processing conditions. The lab investigates diffusion-controlled reactions, phase transformations, and interfacial phenomena during electrodeposition and heat treatment, aiming to understand and tailor the formation of intermetallic compounds such as Ni2Al3 and NiAl3. Their work combines advanced characterization techniques like SEM, EDS, GIXD, and DTA to explore the kinetics and thermodynamics of solid-state reactions and localized melting in Al-Ni systems.
Figures are computed from collected data and may differ slightly.
Nickel(Ni) layer was applied to the surface of pure aluminum(Al) by electrodeposition for 15 minutes using a direct current (DC) condition at 0.13 Acm-2. Heat treatment was employed subsequently for 1, 2.25 and 4 hours at the temperatures of 600 and 650oC, which are below and above the eutectic temperature of Al-NiAl3, respectively. All samples were characterized by OM, SEM, EDS and GIXD. DTA was also performed to study heat release in the reactions. After heat treatment at 600oC, the specimens
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