MEHRA, Rahul; SINGH, Harvinder; CHAUBEY, Sujeet Kumar. Evaluating Surface Roughness of Ductile Cast Iron Machined by EDM Using Solid and Hollow Cylindrical Copper Electrodes. Periodica Polytechnica Mechanical Engineering, [S. l.], 2025. 10.3311/PPme.38763. Disponível em: https://pp.bme.hu/me/article/view/38763. Acesso em: 3 mar. 2025.