Sergej T Buljan

Title: **Innovations of Inventor Sergej T Buljan**

Introduction

Sergej T Buljan, an accomplished inventor based in Acton, MA, USA, has made significant contributions to the field of materials science through his innovative inventions. With a portfolio of four patents, he has focused on enhancing ceramic-metal articles, a field that combines the properties of ceramics and metals to create advanced materials for diverse applications.

Latest Patents

Buljan's latest patents include two notable inventions in the realm of alumina ceramic-metal articles. The first patent describes a dense cermet article comprising 44-93% of a granular first hard phase, 4-44% of a granular second hard phase, and 2-20% of a metal phase. The first hard phase is primarily based on alumina, augmented by select oxides. The second hard phase features hard refractory carbides, nitrides, or borides, with titanium carbide and tungsten carbide being the preferred materials. The metal phase is a combination of nickel and aluminum, primarily exhibiting the Ni3Al ordered crystal structure.

The second patent further details ceramic-metal articles and methods of manufacture, involving a densification process that includes presintering and hot isostatic pressing to achieve a final product with gradated hardness. This innovative approach ensures the surface is harder than the core, enhancing the material's durability and performance.

Career Highlights

Throughout his career, Sergej T Buljan has worked with notable companies that have shaped his expertise. He has been associated with GTE Laboratories Incorporated and Valenite, Inc., where he honed his skills in materials development and innovation. His work combines scientific research with practical applications, leading to breakthroughs in material engineering.

Collaborations

In his career, Buljan collaborated with esteemed colleagues, including Helmut Lingertat and Steven F Wayne. These partnerships have allowed for the exchange of ideas and technical knowledge, fostering an environment conducive to innovation and development in advanced materials.

Conclusion

Sergej T Buljan is a significant figure in the field of invention and innovation, particularly in the development of ceramic-metal articles. His four patents reflect his commitment to advancing material science and enhancing the capabilities of engineering applications. Through his partnerships and employment at reputable companies, Buljan continues to pave the way for future innovations in this critical area.