Pathikumar Sellappan

Title: Innovations of Pathikumar Sellappan

Introduction

Pathikumar Sellappan is a notable inventor based in Seal Beach, California. He has made significant contributions to the field of ceramic matrix composites, holding a total of eight patents. His work focuses on innovative methods to enhance the properties and manufacturing processes of these materials.

Latest Patents

One of his latest patents is a method to fabricate a machinable ceramic matrix composite. This method involves forming a porous ceramic multilayer on the surface of a fiber preform. The multilayer can include a gradient in porosity and low-wettability particles that interact with molten silicon. After the multilayer is formed, the fiber preform is infiltrated with a melt, which is then cooled to create a ceramic matrix composite with a precisely machined surface. Another significant patent addresses methods to eliminate mudcracks in ceramic matrix composite green bodies. These methods involve exposing the green body to a high humidity gaseous atmosphere, followed by a gradual reduction in humidity, ensuring the integrity of the composite during the manufacturing process.

Career Highlights

Pathikumar Sellappan is currently employed at Rolls-Royce High Temperature Composites Inc. His work at this esteemed company has allowed him to push the boundaries of material science and engineering. His innovative approaches have garnered attention in the industry, contributing to advancements in high-performance materials.

Collaborations

Throughout his career, Sellappan has collaborated with notable colleagues, including Sungbo Shim and Jeffrey M. Crutchfield. These collaborations have fostered a productive environment for innovation and development in the field of ceramic matrix composites.

Conclusion

Pathikumar Sellappan's contributions to the field of ceramic matrix composites are significant and impactful. His innovative patents and work at Rolls-Royce High Temperature Composites Inc. highlight his dedication to advancing material science. His collaborations further enhance the potential for future innovations in this critical area of technology.