Jean-Pierre Lecornu

Title: The Innovative Contributions of Jean-Pierre Lecornu

Introduction

Jean-Pierre Lecornu is a notable inventor based in Courcelles sur Seine, France. He has made significant contributions to the field of material fatigue testing, particularly through his innovative patent that addresses high cycle fatigue tests under controlled atmospheric conditions.

Latest Patents

Lecornu holds a patent for an "Apparatus and method for carrying out in a controlled atmosphere material fatigue tests in a high cycle regime with a controlled strain ratio." This invention includes a pressure vessel designed for conducting high cycle fatigue tests on specimens under high pressure. The apparatus features a load train with a first and second horn, where a specimen is placed. The load train is situated within the internal chamber of the pressure vessel, and a converter applies ultrasonic waves to the load train, creating dynamic stress on the specimen. The design allows for two separate chambers within the pressure vessel, enabling different gas pressures to be applied, which is crucial for static stress testing.

Career Highlights

Throughout his career, Lecornu has worked with prominent organizations, including Snecma and the European Union, represented by the European Commission. His experience in these institutions has contributed to his expertise in material testing and innovation.

Collaborations

Lecornu has collaborated with notable professionals in his field, including Matthias Bruchhausen and Peter Hahner. These collaborations have likely enriched his work and expanded the impact of his inventions.

Conclusion

Jean-Pierre Lecornu's contributions to material fatigue testing through his innovative patent demonstrate his commitment to advancing technology in this area. His work continues to influence the field and showcases the importance of innovation in engineering.