Castillo Chung AR, Molina Rodriguez CA, Reyes Valderrama EJ, Portilla Rodriguez HR, Arévalo Aranda CP, Vega González JA, Vega Anticona AY. Plasma nitriding of AISI 431 steel: surface hardness - hardness profile [Nitruración por plasma del acero AISI 431: dureza superficial – perfil de durezas]. J. sci. Eng. [Internet]. 2020 Dec. 3 [cited 2026 Jun. 15];4(2):22-3. Available from: https://www.journals.cincader.org/index.php/sej/article/view/63