Long Zeng

Title: Long Zeng: Innovator in Single Crystal Superalloy Technology

Introduction

Long Zeng is a prominent inventor based in Shanghai, China. He has made significant contributions to the field of materials science, particularly in the development of single crystal superalloys. With a total of 2 patents, his work focuses on improving the manufacturing processes of these advanced materials.

Latest Patents

Zeng's latest patents include a substrate-triggered directional solidification process for single crystal superalloy. This invention involves preparing a single crystal substrate material that matches the crystallographic characteristics of the superalloy. The process also includes fabricating a chilling plate from this substrate and applying it in a directional solidification apparatus. This method enhances the control over the crystallographic orientation of the superalloy while reducing the height of the mold, thereby improving heat dissipation and minimizing defects.

Another notable patent is the directional solidification method for superalloy single crystal blades based on solid-liquid interface steady control. This method establishes criteria for adjusting withdrawal speed during the solidification process. By simulating the advancement of the solid-liquid interface, Zeng has developed a withdrawal speed curve that optimizes the production of single crystal blades.

Career Highlights

Long Zeng is affiliated with Shanghai Jiao Tong University, where he continues to advance research in materials science. His innovative approaches have garnered attention in the academic and industrial sectors, contributing to the development of high-performance materials.

Collaborations

Zeng has collaborated with notable colleagues such as Jun Li and Mingxu Xia. Their joint efforts have furthered research in the field of superalloys and solidification processes.

Conclusion

Long Zeng's contributions to the field of single crystal superalloys demonstrate his commitment to innovation and excellence in materials science. His patents reflect a deep understanding of the complexities involved in solidification processes, paving the way for advancements in high-performance materials.