1. Materials Engineering Department, Federal University of Paraíba, João Pessoa 58051-900, Brazil
2. Multidisciplinary Center for Technological Investigations, National University of Asunción, San Lorenzo University Campus, San Lorenzo 111421, Paraguay
3. Academic Unit of Materials Engineering, Federal University of Campina Grande, Campina Grande 58249-140, Brazil
4. Chemistry Department, Federal University of Paraíba, João Pessoa 58051-900, Brazil