1. School of Sciences; Pontifical Catholic University of Rio Grande do Sul (PUCRS); Porto Alegre Brazil
2. School of Technology; Pontifical Catholic University of Rio Grande do Sul (PUCRS); Avenue Ipiranga, 6681, Partenon, CEP: 90619-900, Porto Alegre Brazil
3. Post-Graduation Program in Materials Engineering and Technology; Pontifical Catholic University of Rio Grande do Sul (PUCRS); Porto Alegre Brazil
4. Petrobras/CENPES; Ilha do Fundão Qd. 07, Rio de Janeiro, RJ Brazil