Sang-Woo Lee

Title: Innovator Sang-Woo Lee: Pioneering Electrical Steel Technology

Introduction

Sang-Woo Lee, a distinguished inventor based in Pohang-si, South Korea, has made significant contributions to the field of electrical steel technology. With a total of three patents to his name, his innovative solutions are paving the way for advancements in manufacturing processes and material efficiency.

Latest Patents

Among his most recent inventions is the patent for a double oriented electrical steel sheet and the method for manufacturing it. This advanced material comprises specific chemical compositions, including 2.0 to 6.0% of silicon, along with minimal percentages of aluminum, sulfur, manganese, and other elements. The double oriented electrical steel sheet meets precise criteria regarding the relationship between manganese and sulfur content, ensuring optimal performance in electrical applications.

Additionally, Sang-Woo Lee developed a grain-oriented electrical steel sheet and a corresponding manufacturing method. This process encompasses several steps, including hot-rolling and cold-rolling of a slab, along with both primary and secondary recrystallization annealing. The innovative approach to nitriding gas usage during the manufacturing process significantly improves the final product’s properties.

Career Highlights

Sang-Woo Lee has been associated with renowned companies such as Posco and Posco Co., Ltd, which are leaders in the steel manufacturing industry. His work at these institutions has positioned him as a key contributor to advancements in steel production techniques, focusing particularly on electrical steel applications.

Collaborations

Throughout his career, Sang-Woo Lee has collaborated with notable coworkers, including Hunju Lee and Su-Yong Sin. These partnerships have allowed for the exchange of ideas and expertise, further enhancing his innovative output in electrical steel technology.

Conclusion

Sang-Woo Lee stands out as a remarkable inventor whose work in the electrical steel domain has brought forth revolutionary manufacturing methods and materials. His patents reflect a commitment to engineering excellence and a drive toward improving industrial processes, ultimately contributing to the evolution of the materials used in diverse electrical applications.