Dianguo Ma

Title: Innovations of Dianguo Ma in Nano-Porous Alloys

Introduction

Dianguo Ma is a prominent inventor based in Liaoning, China. He has made significant contributions to the field of materials science, particularly in the development of nano-porous alloys with strong permanent magnetism. His innovative work has implications for various applications in technology and engineering.

Latest Patents

Dianguo Ma holds a patent for "Nano-porous alloys with strong permanent magnetism and preparation method therefor." This invention involves a type of nano-porous Fe—Pt alloy characterized by its unique composition and structure. The alloys consist of an ordered hard magnetic L1-FePt phase and feature an integrated doubly-connected nano-porous structure with pore sizes ranging from 10-50 nm and ligament thicknesses of 20-80 nm. Under an applied magnetic field of 50 kOe, the coercivity, magnetization intensity, and remanence of the alloys are measured at 13.4-18.5 kOe, 40.4-56.3 emu/g, and 28.3-37.4 emu/g, respectively. The preparation methods include electric arc melting or induction melting for master alloy ingots and single-roller melt-spinning equipment for alloy ribbons.

Career Highlights

Dianguo Ma is affiliated with Dalian University of Technology, where he continues to advance research in materials science. His work has filled a technical gap in the field of nano-porous metal materials with permanent magnetism, showcasing his expertise and innovative spirit.

Collaborations

Dianguo Ma has collaborated with notable colleagues such as Wei Zhang and Yingmin Wang. Their joint efforts contribute to the advancement of research and development in their respective fields.

Conclusion

Dianguo Ma's contributions to the field of nano-porous alloys demonstrate his innovative capabilities and commitment to advancing materials science. His patent reflects a significant achievement that could influence future technological developments.