1. Graduate Program in Materials Science and Engineering, Technology Development Center, Federal University of Pelotas, Pelotas, RS, 96010-000, Brazil
2. Advanced Technology Institute, Department of Electrical and Electronic Engineering, University of Surrey, Guildford GU2 7XH, UK
3. Graduate Program in Mechanical Engineering, School of Engineering, Federal University of Rio Grande, Rio Grande, RS, 96203-900, Brazil