autores EURICO AUGUSTO RODRIGUES DE SEABRA José Joaquim Carneiro Barbosa Carlos Ribeiro Puga, H. Barbosa, J. Prokic, Miodrag Gabriel, J. Puga, Hélder Gabriel, Joaquim Seabra, E. Barbosa, J. Ribeiro, S. Prokic, M. Seabra, Eurico
palavras-chave Aluminium Aluminium alloys Casting Degassing Melting Piezoelectric Piezoelectric devices