Location History:
- Ningbo, CN (2020 - 2022)
- Zhengzhou, CN (2021 - 2023)
- Henan, CN (2023)
Company Filing History:
5 out of 10 
1 out of 147 
1 out of 1 Years Active: 2020-2025
Title: Weimin Long: Innovator in Brazing Technology
Introduction
Weimin Long is a prominent inventor based in Zhengzhou, China, known for his significant contributions to brazing technology. With a total of seven patents to his name, Long has developed innovative materials and methods that enhance the efficiency and effectiveness of brazing processes.
Latest Patents
Among his latest patents is a braze coating material with a nickel core and a coating, along with its preparation method and braze coating method. This innovative material requires no binder and boasts strong adhesion ability. It consists of a nickel core, a coating layer, a hardened layer, and a protective layer, arranged sequentially from inside to outside. The nickel core is made of metallic nickel that has undergone a roughening treatment. The coating layer includes hard particles, a first brazing flux, and a brazing filler metal powder. Additionally, the hardened layer contains a second brazing flux and is covered with a protective layer primarily composed of silicate.
Another notable patent is for a copper-tin brazing wire, which includes a plurality of copper wires, each featuring a composite metal layer on its surface. This brazing wire comprises 75-84 parts of copper, 20-25 parts of tin, and 0.4-0.5 parts of phosphorus. The composite metal layer consists of copper, tin, and phosphorus, with specific mass ratios that enhance its performance in brazing applications.
Career Highlights
Weimin Long has worked at the Zhengzhou Research Institute of Mechanical Engineering Co., Ltd., where he has contributed to various projects and innovations in the field of mechanical engineering and materials science. His work has significantly impacted the development of advanced brazing materials and techniques.
Collaborations
Throughout his career, Long has collaborated with notable colleagues, including Yinyin Pei and Sujuan Zhong. These collaborations have fostered a productive environment for innovation and have led to the successful development of new technologies in brazing.
Conclusion
Weimin Long's contributions to brazing technology through his innovative patents and collaborative efforts have established him as a key figure in the field. His work continues to influence advancements in materials science and engineering.