Zhiyue Shi

Title: Zhiyue Shi - Innovator in High-Carbon Bearing Steel

Introduction

Zhiyue Shi is an accomplished inventor based in Beijing, China. He is associated with the Central Iron and Steel Research Institute, where he focuses on advancements in the field of bearing steel. Although he currently holds no granted patents, his contributions to the technical field are noteworthy.

Latest Patent Applications

Zhiyue Shi's latest patent application is titled "High-Carbon Bearing Steel and Preparation Method Thereof." This invention pertains to the technical field of microstructure refinement and homogenization of bearing steel. The high-carbon bearing steel developed by Shi has a specific chemical composition, including C: 0.80-1.20 wt %, Cr: 0.40-2.0 wt %, Mn: 0.15-0.75 wt %, Si: 0.15-0.75 wt %, Nb: 0-0.20 wt %, Mo: 0-0.20 wt %, V: 0-0.20 wt %, P≤0.015 wt %, S≤0.01 wt %, with the remainder being Fe and unavoidable impurities. The invention effectively refines the bearing steel matrix and promotes the precipitation of nano-carbides, enhancing the contact fatigue life of the high-carbon bearing steel.

Conclusion

Zhiyue Shi's work in the development of high-carbon bearing steel showcases his innovative approach to material science. His ongoing research and patent applications reflect his commitment to advancing technology in the steel industry.