Hanyang University · Engineering
Professor Tae Hyun Sung's research lab specializes in advanced functional materials and smart sensing technologies, with a focus on laser additive manufacturing of high-performance coatings and flexible piezoelectric sensors. The lab investigates the microstructural evolution and mechanical properties of laser-clad Ti-based coatings, emphasizing in-situ phase synthesis and solidification dynamics for enhanced durability. Simultaneously, the lab pioneers next-generation wearable sensors using 2D materials like tungsten disulfide (WS2) to harvest energy from human motion, targeting applications in self-powered health monitoring systems. The integration of materials science, additive manufacturing, and energy harvesting defines the lab’s multidisciplinary approach.
Figures are computed from collected data and may differ slightly.
The heat transfer and solidification characteristics significantly affect the solidified microstructure of direct laser deposited coatings. In this work, a Ti-based coating was prepared on the Ti811 alloy by coaxial laser cladding to reveal the in-situ synthesis mechanism of the reinforcing phase and enhance its mechanical properties. The heat transfer evolution and solidification characteristics of the molten pool were investigated by numerical simulations and experiments. The phase composition
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