Under the effect of cyclic stresses and deformations, the local properties of a material can be modified, with possible consequences such as the appearance of cracks, ultimately leading to structural failure. The study of the fatigue behavior of materials and structures is therefore a major challenge for industry, particularly in the automotive, aerospace, defense, and energy sectors.
RNC Fatigue has defined several priority areas of research in response to the needs ofArts et Métiers partners Arts et Métiers These include the impact of manufacturing processes and microstructure on fatigue durability (e.g., casting, forging, machining, and, increasingly, additive manufacturing); environmental effects (steam and liquid environments); filled polymers; local or multiscale approaches to multiaxial fatigue; and very long-life fatigue.
The teams in this network develop complementary scientific strategies and collaborate on numerous projects within the framework of industrial partnerships (direct contracts, FUI, ANR, Region, etc.) with the aim of understanding physical phenomena and proposing numerical models for structural design. The RNC Fatigue network enables complex issues requiring transdisciplinary skills to be addressed.
Several industry players are involved in this work, including Cetim ( Technical Center for Mechanical Industries), ASL, STELIA, SNCF, CEA, Dassault, Airbus, PSA, and Renault.
Three laboratories currently participate in the RNC: I2M, LAMPA, and PIMM.
Current projects:
- GIGADEF Project
- ERC FastMat Project
- EUROGIA European Project - CSPIMP
- DEFISURF Project
- DURAFIP Project
Contact: Nicolas SAINTIER