Bizhong Nong

Title: Innovator Bizhong Nong: Advancements in Additive Manufacturing

Introduction

Bizhong Nong, based in Changsha, China, is a notable inventor whose work significantly contributes to the field of additive manufacturing. With a focus on enhancing the performance and reliability of nickel-based superalloys, he has developed innovative methods that are paving the way for future advancements in material science.

Latest Patents

Bizhong Nong holds two recent patents that showcase his expertise and innovative spirit:

1. **Method for Preventing Cracking of Nickel-Based Superalloy Fabricated by Selective Laser Melting**: This patented method addresses the issue of cracking in nickel-based superalloys produced through selective laser melting (SLM). By reducing the content of elements such as Zr and B, which form low melting point phases, and optimizing the total content of Al and Ti in the alloy to 4.5 wt % or below, this approach ensures the production of parts with high density, minimal crack defects, and excellent mechanical properties. This new method is characterized by its simple preparation process and effective performance, making it suitable for large-scale application.

2. **Method for Preparing Nano Spherical Oxide Dispersion Strengthening Phase**: In a groundbreaking advancement, Nong proposed a novel method to prepare a nano spherical oxide using micron oxide as a raw material. This process involves mechanical ball milling to create a composite powder that maintains a completely amorphous structure, enabling uniform distribution of nano oxides in matrix alloy powder. Subsequent hot forming, hot rolling, and heat treatment processes result in a nano spherical oxide dispersion strengthened alloy, showcasing significant potential for various applications.

Career Highlights

Nong's career is marked by his dedicated research at Central South University, where he has established himself as a leader in additive manufacturing technologies. His innovative approaches significantly enhance the properties of alloys, contributing to the overall advancement in materials science and engineering.

Collaborations

Throughout his career, Bizhong Nong has collaborated with talented individuals in his field, including coworkers Zuming Liu and Sizhe Lu. These partnerships facilitate an exchange of ideas and foster a collaborative environment that drives innovation and research excellence.

Conclusion

Bizhong Nong's contributions to the field of additive manufacturing through his innovative patents demonstrate his commitment to advancing material technology. His methods not only address critical challenges in the production of nickel-based superalloys but also exemplify the potential for significant industrial applications. As he continues his work at Central South University, his impact on research and development in this field will undoubtedly inspire future innovations.