Hyang Jin Koh

Title: Hyang Jin Koh: Innovator in High Strength Steel Manufacturing

Introduction

Hyang Jin Koh is a notable inventor based in Pohang, South Korea. He has made significant contributions to the field of materials engineering, particularly in the development of high strength and high formability hot-rolled transformation induced plasticity (TRIP) steel. His innovative approach has implications for various industries, including automotive and industrial machinery.

Latest Patents

Hyang Jin Koh holds a patent for a method of manufacturing high strength and high formability hot-rolled TRIP steel containing copper. This method enhances the strength of the steel through precipitation hardening, resulting in a tensile strength exceeding 90 kg/mm while maintaining good formability. The composition of the steel includes specific percentages of carbon, silicon, manganese, aluminum, copper, and nickel, with the balance being iron and inevitable impurities. The manufacturing process involves precise temperature control during rolling and cooling, ensuring optimal microstructure and performance.

Career Highlights

Koh is associated with Pohang Iron & Steel Co. Ltd., a leading company in the steel industry. His work has been instrumental in advancing the properties of steel used in critical applications. His innovative methods have positioned him as a key figure in the development of advanced materials.

Collaborations

Hyang Jin Koh has collaborated with notable colleagues, including Nack Joon Kim and Sung Ho Park. These partnerships have fostered a collaborative environment that enhances research and development efforts in the field of steel manufacturing.

Conclusion

Hyang Jin Koh's contributions to the field of high strength steel manufacturing exemplify the importance of innovation in materials science. His patented methods and collaborative efforts continue to influence the industry positively.