Influencia de los nanotubos de carbono de pared múltiple (MWNT) en la resistencia al desgaste del cermet WC-Co
Palabras clave:
tribología, dispersión, refuerzo, interfaz, microestructura, tenacidadResumen
Los cermets de WC-Co son materiales críticos en aplicaciones de herramientas de corte y minería, pero su susceptibilidad al desgaste limita su vida útil en condiciones extremas. La incorporación de nanotubos de carbono de pared múltiple (MWNT) como refuerzo ha emergido como una estrategia prometedora para mejorar su desempeño tribológico. Este artículo sintetiza hallazgos recientes (2019-2024) sobre los mecanismos de refuerzo, métodos de procesamiento y mejoras en propiedades tribológicas de composites WC-Co- MWNT. El análisis revela que una dispersión efectiva y una interfaz fuerte son cruciales para lograr mejoras significativas en la resistencia al desgaste, mediante mecanismos de puenteo de grietas y lubricación sólida.
Referencias
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