1. IREIS, HEF Group, ZI Sud - Avenue Benoît Fourneyron CS 42077, 42162 Andrézieux-Bouthéon, France
2. Department of Mechanical Engineering, CEMMPRE, University of Coimbra, Rua Luís Reis Santos, 3030-788 Coimbra, Portugal
3. IPN - LED & MAT - Instituto Pedro Nunes, Laboratory of Tests, Wear and Materials, Rua Pedro Nunes, 3030-199 Coimbra, Portugal