Comparing the Structure and Mechanical Properties of Welds on Ductile Cast Iron (700 MPa) under Different Heat Treatment Conditions - Gouveia, Ronny M; Silva, Francisco J. G; Paiva, Olga C; Andrade, Maria de Fátima; Pereira, Lucas Augusto; Mosselli, Paulo Cezar; Papis, Konrad J. M (Metals, 2018)