Velosa Pacheco, A. B., Olaya Esparragoza, G., & Guerrero Galvis, A. (2018). Characterizing the Mechanical Properties of Steel AISI-SAE 4140 to Apply a Plasma Nitriding Process. TECCIENCIA, 13(24), 73–79. https://doi.org/10.18180/tecciencia.2018.24.8