Giel Marijnissen

Title: Giel Marijnissen: Innovator in Thermal Barrier Coating Systems

Introduction

Giel Marijnissen is a notable inventor based in Beringe, Netherlands. He has made significant contributions to the field of thermal barrier coatings, particularly in enhancing the performance of gas turbine engines. His innovative work has led to the development of a unique bond coat that improves the adhesion of ceramic topcoats to superalloy substrates.

Latest Patents

Giel Marijnissen holds a patent for a thermal barrier coating system and methods. This patent discloses an improved bond coat that includes approximately 13 to 30 weight percent aluminum, along with trace amounts of reactive elements such as yttrium, zirconium, lanthanum, and scandium. The bond coat is characterized by the absence of added chromium, which sets it apart from traditional coatings. The preferred method involves plasma spraying a prealloyed powder of the bond coat composition onto the substrate, followed by alumina formation and ceramic topcoat deposition. This innovative coating system is particularly useful for gas turbine engine hot section components, including turbine blades, vane airfoils, combustors, and exhaust nozzles.

Career Highlights

Giel Marijnissen is associated with N.V. Interturbine, where he has been instrumental in advancing thermal barrier coating technologies. His work has not only contributed to the efficiency of gas turbine engines but has also positioned his company as a leader in the aerospace industry.

Collaborations

Giel has collaborated with Douglas Hugh Maxwell, working together to enhance the development and application of thermal barrier coatings. Their combined expertise has led to significant advancements in the field.

Conclusion

Giel Marijnissen's contributions to thermal barrier coating systems exemplify the impact of innovative thinking in engineering. His patent and work at N.V. Interturbine highlight the importance of advancements in technology for the aerospace sector.