A Two-Step Inverse Analysis Approach Used to Identify the Mechanical Properties of Metallic Materials Subjected to Large Plastic Strains. Applications to Local Investigations of Surface Layer’s Behaviour - GAVRUS, Adinel; FRANCILLETTE, Henri; PHAM, Duc Thien (The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, 2013)