Simulación de Propiedades Mecánicas de las Multicapas Duras Basadas en Ti mediante el Método de Elementos Finitos
Resumen
En este trabajo, se estudio el comportamiento mecánico de bicapas TiAlV/TiAlVN mediante experimentos de nanoindentación simulados con el uso del software ANSYS. En las simulaciones se consideró un indentador de diamante tipo Vickes, un sustrato de acero y bicapas TiAlV/ TiAlVN distribuidas en un espesor constante de 2 μm, en una geometría de eje simétrico. Los parámetros usados en la simulación como modulo de Young E, relación de Poisson ν y punto de fluencia σe para el TiAlV y TiAlVN fueron de 113.6 GPa ay 350 GPa, 0.342 y 0.2, y 830 MPa y 870 MPa respectivamente. Los resultados mostraron que la distribución de estrés radial presenta un comportamiento en forma de sierra y el máximo en el estrés de corte disminuye en la medida que el número de bicapas se incrementa.
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