1. Academic Department of Mechanics; Federal University of Paraná, UFPR; Curitiba Paraná Brazil
2. Department of Mechanical Engineering; Federal University of Paraná, UFPR; Curitiba Paraná Brazil
3. Gerdau, Villares Rolls; Pindamonhangaba São Paulo Brazil
4. Federal University of Technology - Paraná, UTFPR; Curitiba Paraná Brazil