Company Filing History:
Years Active: 2005-2011
Title: Christine Govern: Innovator in Thermal Barrier Coatings
Introduction
Christine Govern is a prominent inventor based in Cincinnati, OH (US), known for her significant contributions to the field of thermal barrier coatings. With a total of 16 patents to her name, she has made remarkable advancements that enhance the performance and durability of ceramic-matrix composite (CMC) articles in high-temperature applications.
Latest Patents
Among her latest patents is a sintering resistant, low conductivity, high stability thermal barrier coating/environmental barrier coating system designed for CMC articles. This innovative method improves high-temperature capability by applying an environmental barrier coating (EBC) over a silicon-containing material substrate, followed by a thermal barrier coating (TBC) over the EBC. The TBC includes a compound with a primary constituent portion and a stabilizer portion, where hafnia is present in an amount of at least about 5 mol % of the primary constituent. Additionally, the stabilizer portion comprises at least one metal oxide with cations of +2 or +3 valence, present in the amount of about 10 to about 40 mol % of the thermal barrier coating.
Another notable patent involves an environmental barrier coating for silicon-containing substrates, which offers a protective solution against degradation in corrosive environments. This coating features a barium-strontium-aluminosilicate (BSAS) composition that is less susceptible to degradation due to its stoichiometric crystalline phases. The production of this coating involves deposition and heat treatment steps that ensure the outer surface region consists essentially of the stoichiometric celsian phase.
Career Highlights
Christine Govern has built a successful career at General Electric Company, where she has been instrumental in developing advanced materials for high-performance applications. Her work has not only contributed to the company's innovation portfolio but has also set new standards in the industry for thermal barrier coatings.
Collaborations
Throughout her career, Christine has collaborated with notable colleagues, including Brian Thomas Hazel and Irene T Spitsberg. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and the advancement of technology in their field.
Conclusion
Christine Govern's innovative work in thermal barrier coatings exemplifies her dedication to enhancing material performance in high-temperature applications. Her contributions through her patents and collaborations continue to influence the industry positively.
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