Sunny Chang

Title: Innovations of Inventor Sunny Chang

Introduction

Sunny Chang is a notable inventor based in Carmel, Indiana, known for his contributions to the field of ceramic matrix composites. With a total of five patents to his name, Chang has made significant advancements in materials science, particularly in the development of innovative coating technologies.

Latest Patents

One of Chang's latest patents is focused on a composite coating layer for ceramic matrix composite substrates. This invention includes a substrate made of ceramic matrix composite (CMC) and a composite coating layer that consists of a first coating material, which includes a rare-earth disilicate, and a second coating material that may include a rare-earth monosilicate, a CMAS-resistant material, or a high-temperature dislocating material. The second coating material forms a substantially continuous phase in the composite coating layer, enhancing the durability and performance of the substrate.

Another significant patent by Chang involves a method for removing coatings from ceramic matrix composite substrates. This method addresses the challenge of removing a coating that includes a rare earth silicate from a substrate made of ceramic or ceramic matrix composite. The process involves contacting the coating with a liquid that contains an active species, which may include a mineral acid or a base. Additionally, the method includes working the coating to facilitate the removal of at least a portion of the coating.

Career Highlights

Throughout his career, Sunny Chang has worked with prestigious companies, including Rolls-Royce Corporation and Rolls-Royce High Temperature Composites Inc. His experience in these organizations has allowed him to refine his expertise in advanced materials and coatings.

Collaborations

Chang has collaborated with several talented individuals in his field, including Li Li and Ngunjoh Lawrence Ndamka. These collaborations have contributed to the innovative projects and patents that Chang has developed over the years.

Conclusion

Sunny Chang's work in the field of ceramic matrix composites and coating technologies showcases his innovative spirit and dedication to advancing materials science. His patents reflect a commitment to solving complex challenges in the industry, making him a significant figure in the realm of invention.