Ju-Youn Lee

Title: Innovations of Ju-Youn Lee in Steel Technology

Introduction

Ju-Youn Lee is a prominent inventor based in Jeollanam-do, South Korea. He has made significant contributions to the field of steel technology, particularly in the development of advanced galvanized steel sheets. With a total of 2 patents to his name, his work focuses on enhancing the performance and quality of steel products.

Latest Patents

One of Ju-Youn Lee's latest patents is for a hot-dip galvanized steel sheet that exhibits excellent adhesiveness at ultra-low temperatures. This innovation includes a base steel sheet, a composite layer with transition metal, an inhibition layer made of an iron-aluminum (Fe-Al) based intermetallic compound, and a zinc-plated layer. The average diameter of spangles in the zinc-plated layer is 150 µm or less, which contributes to the overall performance of the steel sheet.

Another notable patent is for a metal-coated steel sheet that features a coating layer made from a metal with a Gibbs free energy level equal to or above that of iron, along with its oxide. This invention aims to improve the quality of plated steel sheets by preventing the formation of bare spots, thereby minimizing manufacturing complexity and costs.

Career Highlights

Ju-Youn Lee is currently employed at Posco, a leading steel manufacturing company. His work at Posco has allowed him to apply his innovative ideas in a practical setting, contributing to the advancement of steel technology.

Collaborations

Throughout his career, Ju-Youn Lee has collaborated with notable colleagues, including Myung-Soo Kim and Jong-Sang Kim. These collaborations have fostered a creative environment that encourages the development of groundbreaking technologies in the steel industry.

Conclusion

Ju-Youn Lee's contributions to steel technology through his patents and work at Posco highlight his role as an influential inventor in the field. His innovations continue to pave the way for advancements in steel manufacturing and applications.