Company Filing History:
Years Active: 2024
Title: **Pierre-Jean Marchais: Innovator in Oxide Layer Technology**
Introduction
Pierre-Jean Marchais is a distinguished inventor based in Vitry-le-François, France, recognized for his innovative work in materials science. With a focus on enhancing the properties of steel and super alloys, he holds one notable patent that contributes to the understanding and application of oxide layers in these materials.
Latest Patents
Marchais's patent, titled "Method for forming a layer of single-phase oxide (Fe, Cr)O with a rhombohedral structure on a steel or super alloy substrate," details a sophisticated approach for enhancing substrate resistance through oxide formation. The method includes several steps: starting with a substrate that contains at least 2 wt.-% chromium, the process involves removing the surface layer in a controlled oxygen atmosphere while inducing micro-deformation in the crystal lattice of the substrate. This is followed by a precise thermal treatment that facilitates the growth of rhombohedral oxide layers between 70 to 150 nm thick, enabling improved performance for a range of applications.
Career Highlights
Marchais is currently affiliated with Mannesmann Precision Tubes France, where his work significantly contributes to the advancement of steel processing technologies. His expertise in material sciences and innovative techniques has established him as a pivotal figure within his organization.
Collaborations
Throughout his career, Marchais has collaborated with esteemed colleagues such as Olivier Raccurt and Jean-Marie Gentzbittel. These partnerships have fostered a dynamic environment for innovation, allowing them to explore and implement cutting-edge solutions in the industry.
Conclusion
Pierre-Jean Marchais stands as a prime example of innovation in the field of materials technology. His dedication to developing advanced methods for oxide layer formation not only reflects his expertise but also highlights the importance of collaboration in driving technological advancements. His contributions continue to influence the materials science domain, further solidifying his legacy as an inventor dedicated to improving industrial processes.