Espitia Sanjuán, Luis ArmandoPuche Ojeda, Carlos Daniel2021-09-252021-09-252021-09-24https://repositorio.unicordoba.edu.co/handle/ucordoba/4569In this monograph, a comparative study regarding to the microstructural changes and engineering applications of martensitic stainless steels treated by nitriding and plasma carburizing reported in the literature is carried out. The changes in the microstructure and the chemical composition of the steels achieved by these thermochemical treatments are discussed by means of material characterization techniques, such as: optical microscopy, scanning electron microscopy, X-ray diffraction, optical emission spectroscopy of luminescent discharge, among others. It was found that these nitrided and carburized martensitic stainless steels are mainly used for wear resistance and corrosion resistance applications. Keywords: Microstructure, Expanded Martensite, Plasma Carburizing, Plasma Nitriding 13 INTRODUCCIRESUMEN ............................................................................................................................... 12ABSTRACT ............................................................................................................................. 12INTRODUCCIÓN ................................................................................................................... 131.TRATAMIENTOS TERMOQUÍMICOS ............................................................................. 141.1 CEMENTACIÓN ........................................................................................................... 151.1.1 Cementación Líquida .............................................................................................. 151.1.2 Cementación al vacío .............................................................................................. 161.1.3 Cementación gaseosa .............................................................................................. 161.1.4 Cementación por Paquete ........................................................................................ 171.1.5 Cementación a plasma ............................................................................................. 171.2 NITRURACIÓN ............................................................................................................ 181.2.1 Nitruración Líquida ................................................................................................. 191.2.2 Nitruración gaseosa ................................................................................................. 191.2.3 Nitruración a plasma ............................................................................................... 192. CARACTERISTICAS DEL PROCESO DE DESCARGA LUMINISCENTE .................. 212.1 CONCEPTO DEL PLASMA ......................................................................................... 212.2 DESCARGA LUMINISCENTE .................................................................................... 223. ACEROS INOXIDABLES .................................................................................................. 244. FASES PRESENTES EN ACEROS NITRURADOS Y CEMENTADOS ........................ 284.1 RESULTADOS DE NITRURACIÓN Y CEMENTACIÓN POR PLASMA PARA ACEROS INOXIDABLES MARTENSÍTICOS ................................................................. 284.2 MICROESTRUCTURA, CARACTERIZACIÓN Y APLICACIONES DE ACEROS INOXIDABLES MARTENSÍTICOS NITRURADOS POR PLASMA ............................. 294.3 MICROESTRUCTURA, CARACTERIZACIÓN Y APLICACIONES DE ACEROS INOXIDABLES MARTENSÍTICOS CEMENTADOS POR PLASMA ............................ 505. RESUMEN DE LOS RESULTADOS ................................................................................. 62CONCLUSIONES ................................................................................................................... 63REFERENCIAS ....................................................................................................................... 65application/pdfspaCopyright Universidad de Córdoba, 2021Trabajo de grado - Pregradoinfo:eu-repo/semantics/openAccessAtribución-NoComercial-SinDerivadas 4.0 Internacional (CC BY-NC-ND 4.0)MicroestructuraMartensita expandidaCementación a plasmaNitruración a plasmaMicrostructureExpanded martensitePlasma carburizingPlasma nitriding