Hongliang He

Title: Innovations of Hongliang He in Silicon Nitride Synthesis

Introduction

Hongliang He is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of materials science, particularly in the synthesis of silicon nitride powders. With a total of 2 patents, his work has implications for various industrial applications.

Latest Patents

One of his latest patents is focused on a process for synthesizing spinel type silicon nitride powders. This innovative method involves mixing raw powders of α-, β-, or amorphous silicon nitride, each with a particle size of 10 μm or less, with non-nitrified metal powders, preferably copper powders with a particle size of 100 μm or less. The process aims to produce a compact with a porosity of 50% or less and 10% or more, ideally around 30%. This compact is then subjected to shock wave compression treatment at a pressure of 20 GPa or more, preferably around 60 GPa. Another significant patent involves the production of high-pressure phase spinel type sialon and silicon oxynitride powders, utilizing instantaneous pressing through impulse waves.

Career Highlights

Hongliang He has worked at prestigious institutions such as the National Institute for Research in Inorganic Materials and the National Institute for Materials Science. His research has contributed to advancements in the understanding and application of silicon nitride materials.

Collaborations

He has collaborated with notable coworkers, including Toshimori Sekine and Takamichi Kobayashi, enhancing the scope and impact of his research.

Conclusion

Hongliang He’s innovative work in synthesizing silicon nitride powders showcases his expertise and dedication to advancing materials science. His patents reflect a commitment to developing new methods that can benefit various industries.