Alves Lima, Gilson Brito, 2Fluminense Federal University (UFF). Address: Rua Passo da Pátria, 156 - Sala 329 – Bloco E, Escola de Engenharia-UFF, São Domingos – Niterói – Cep: 24210-240, + 55 21 2629-5617, [email protected]. Associate Professor at Industrial Department in Federa, Brazil