Electrical discharge machining of EN-40B high carbon alloy steel: Investigation of recast layer and multi-performance optimization. Indian Journal of Engineering and Materials Sciences (IJEMS), [S. l.], v. 32, n. 04, p. 493–501, 2025. DOI: 10.56042/ijems.v32i04.17709. Disponível em: https://or.niscpr.res.in/index.php/IJEMS/article/view/17709. Acesso em: 14 may. 2026.