The objective of the Supermen project is to increase the skills of three Norman partners working on the aging and characterisation of metal materials, both in surface and in volume, from the macroscopic scale to the atomic scale. It builds on the already existing expertise of the various partners and their experimental platforms, which are to be complemented by the acquisition of new equipment and the development of adapted protocols.The lifespan of metal materials is limited by microstructural developments in use, which can in some cases lead to the ruin or rupture of certain parts. Understanding the mechanisms of aging is therefore essential if we are to anticipate their consequences from an economic and security point of view. This aging is the result of an aggression from the outside environment, which generally introduces itself to the surface of the material before extending to its volume. This is an important industrial problem because the cause of part failure accidents, and which entails a significant cost. The changes resulting from this aging must therefore be identifiable and quantified in order to be able to predict the evolution of the condition of a metal part or even its failure.It is in this context that the Supermen research programme aims to expand the field of expertise and the skills of three partners (GPM of the University of Rouen, CRT A&S de Val-de-Reuil and LOMC of the University of Le Havre) which are complementary in this field.When it involves studying the oxidation or corrosion of metal materials, the characterisation of their surfaces is the first essential step. The concept of surface refers to a layer of several hundred microns (affected by the diffusion of oxygen for oxidation, nitrogen for nitruration...), or a few atomic layers when we talk about the protective layer of chromium oxide of stainless steels. These different scales, from a fraction of millimeters to a few nanometres, must be covered by the CEVIMAT joint laboratory, which brings together the expertise of the CRT Surface Analysis (CRT A&S) and the Material Physics Group (GPM).The aging of materials in volume usually results in changes in their microstructure and mechanical properties. Today, the GPM brings together an experimental fleet (electronic scanning and transmission microscopy, tomographic atomic probes, etc.) and skills to best quantify the parameters related to the microstructure (nature size, numerical density, dispersion... of obstacles, chemical composition of the solid solution).It is important to be able to complement these studies by analyses using non-destructive methods, which can be applied to materials in use, while degradation mechanisms are at work. It is then possible to control the long-term evolution of the properties of the materials, to estimate the ageing of the material which it undergoes in use, for example during exposure to particular thermal/chemical factors, whether that aging is of internal origin (degradation) or superficial (corrosion). The Uncles et Milieux Complexes Laboratory (LOMC) of the University of Le Havre intends to develop a Non-Destructive Control (NCD) using EMAT technology to help identify and quantify metal aging. This technology will allow the development, over the duration of the project, of a new measuring bench, in addition to those already existing, thereby strengthening in the long term the possibilities of expertise already pooled within the LOMC in Le Havre experimental park in the field of CND, and those relating to the aging and characterisation of metal materials