1. Graduate Program in Materials Science and Engineering Federal University of Rio Grande do Norte Avenida Senador Salgado Filho, 3000 Natal Rio Grande do Norte 59078–970 Brazil
2. Mechanical Engineering Department Federal University of Rio Grande do Norte Avenida Senador Salgado Filho, 3000 Natal Rio Grande do Norte 59078–970 Brazil
3. Graduate Program in Materials Science and Engineering Federal University of Sergipe Avenida Marechal Rondon, s/n 49100‐000 São Cristóvão Sergipe Brazil
4. Materials Engineering Department Federal University of Rio Grande do Norte Avenida Senador Salgado Filho, 3000 Natal Rio Grande do Norte 59078–970 Brazil