Jianghui Sun

Title: Jianghui Sun: Innovator in High-Resistivity Sintered Samarium-Cobalt Magnets

Introduction

Jianghui Sun is a notable inventor based in Zhejiang, China. He has made significant contributions to the field of materials science, particularly in the development of high-resistivity sintered samarium-cobalt magnets. His innovative approach has led to advancements that address critical challenges in magnet technology.

Latest Patents

Jianghui Sun holds a patent for a "High-resistivity sintered samarium-cobalt magnet and preparation method thereof." This invention discloses a method for creating a high-resistivity sintered samarium-cobalt magnet. The process involves preparing fluoride or oxide into nano-powder using high-energy ball milling. The samarium-cobalt magnetic powder is then prepared separately through rolling ball milling or high-speed jet milling. A specific electric field is applied in a fluoride suspension to ensure that the fluoride nano-powder evenly covers the surface of the samarium-cobalt magnetic powder. This invention successfully overcomes the technical bottleneck where the addition of fluoride or oxide improves resistivity but deteriorates magnetic properties.

Career Highlights

Jianghui Sun is affiliated with China Jiliang University, where he continues to engage in research and development in the field of magnet technology. His work has garnered attention for its innovative methodologies and practical applications in various industries.

Collaborations

Jianghui Sun has collaborated with notable colleagues, including Nengjun Yu and Hangfu Yang. Their combined expertise contributes to the advancement of research in materials science and engineering.

Conclusion

Jianghui Sun's contributions to the field of high-resistivity sintered samarium-cobalt magnets exemplify the impact of innovative thinking in materials science. His patent reflects a significant advancement that addresses both resistivity and magnetic properties, showcasing his role as a leading inventor in this domain.