Influencia del tiempo y temperatura en la capa nitrurada

Miguel Angel Lugo Bustos; Rubi Adela Alameda López

doi:10.29057/icbi.v14iEspecial2.15942

Autores/as

Miguel Angel Lugo Bustos Universidad Autónoma del Estado de Hidalgo https://orcid.org/0009-0004-3005-4058
Rubi Adela Alameda López Universidad Autónoma del Estado de Hidalgo https://orcid.org/0009-0007-1621-5427

DOI:

https://doi.org/10.29057/icbi.v14iEspecial2.15942

Palabras clave:

Nitruración gaseosa, Acero AISI H13, Profundidad de capa, Dureza superficial, Tratamiento térmico

Resumen

Este trabajo analiza la formación de capas endurecidas en acero AISI H13 mediante el proceso de nitruración gaseosa, enfocado en la influencia del tiempo de exposición y la temperatura sobre las características obtenidas. Las muestras fueron previamente tratadas térmicamente por medio de temple y revenido para garantizar una estructura base homogénea. Posteriormente, se sometieron a diferentes condiciones de nitruración, evaluando el espesor de la capa, así como las durezas superficial y del núcleo. Los resultados mostraron que una mayor duración del tratamiento no siempre implica mejoras en la dureza; de hecho, se identificó un punto crítico a partir del cual la dureza comienza a disminuir por efecto de la difusión excesiva de nitrógeno. Las pruebas de microdureza permitieron establecer una correlación clara entre los parámetros del proceso y el comportamiento mecánico del material, lo que proporciona lineamientos útiles para optimizar su rendimiento en aplicaciones industriales exigentes.

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