Hongguo Zhang

Title: The Innovative Mind of Hongguo Zhang in Sintered Magnet Technology

Introduction

Hongguo Zhang is a prominent inventor based in Beijing, China, known for his contributions to the field of rare earth permanent magnet materials. With a keen understanding of material science and innovative methodologies, Zhang has significantly impacted the industry with his patent on a two-step diffusion method for preparing high-performance dual-main-phase sintered mischmetal-iron-boron magnets.

Latest Patents

Zhang's sole patent revolves around a sophisticated two-step diffusion method aimed at enhancing the performance of dual-main-phase sintered mischmetal-iron-boron magnets. This innovative process employs a strategic layering technique to improve the coercivity of the magnets. By utilizing PrHoFe strip-casting alloy as a diffusion source, a PrHo-rich layer is uniformly coated on (Nd, MM)-Fe-B hydrogen decrepitation powders. The technique further incorporates a second diffusion source, ZrCu strip-casting alloy, to produce a Zr-rich layer, effectively preventing undesirable grain growth during sintering and optimizing the magnets' properties.

Career Highlights

Zhang is affiliated with the Beijing University of Technology, an institution renowned for its emphasis on engineering and technological advancement. His research and innovative approach have earned him recognition in the field, marking him as a leader in the development of high-performance magnetic materials.

Collaborations

Throughout his career, Zhang has collaborated with notable colleagues, including Weiqiang Liu and Hao Chen. These partnerships have fostered a productive research environment, allowing for sharing of ideas and advancements in the field of magnet technology.

Conclusion

Hongguo Zhang exemplifies the spirit of innovation through his dedication to advancing magnet technology. His patent on the two-step diffusion method not only contributes to the scientific community but also enhances practical applications in various industries. As technology continues to evolve, inventions like Zhang's pave the way for future developments in material science and engineering.