Simulación de propiedades mecánicas demulticapas de Zr/ZrN y TiN/ZrNempleando el método de elementos finitos

Main Article Content

H. D. Aristizábal–Soto
L. C. Agudelo
C. M. Bedoya Hincapié
E. Restrepo Parra

Keywords

Zr/ZrN, TiN/ZrN, ANSYS, propiedades mecánicas, elementos finitos

Resumen

En este trabajo se presenta el estudio de propiedades mecánicas de multicapas de Zr/ZrN y TiN/ZrN variando el número de bicapas en 1, 2, 5 y 10, es decir, períodos de 2, 1, 0,4 y 0,2 μm, con espesor constante de 2 μm en una relación de 1:1 y 1:3. Para esta simulación se empleó el software ANSYS, el cual se basa en el método de elementos finitos. Se obtuvieron curvas de Esfuerzo– Deformación, dureza y módulo de Young en función del número de bicapas. De acuerdo al análisis realizado, las bicapas de TiN/ZrN con relación 1:3 presentan mayor dureza (31±1 GPa) en relación a los demás sistemas y un módulo de Young de aproximadamente 460 GPa. Los resultados de las simulaciones de las propiedades mecánicas de materiales basados en Ti y Zr, empleando métodos como el de elementos finitos, son prometedores en el campo de los nuevos materiales para predecir su desempeño en aplicaciones tecnológicas e industriales como recubrimientos duros sobre diferentes herramientas y piezas de maquinaria y así disminuir costos de producción. Además, las simulaciones presentadas en este trabajo pueden extenderse a sistemas compuestos de otros materiales de gran utilidad.

PACS: 47.11.Fg, 73.21.Ac, 87.15.La, 81.40.Lm, 81.70.Bt, 81.70.Pg

MSC: 76M10

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