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versão impressa ISSN 0123-7799
versão On-line ISSN 2256-5337


AGUDELO-MORIMITSU, Liliam C.; RESTREPO-PARRA, Elisabeth  e  DE LA ROCHE-YEPES, Jhonattan. Simulation on Mechanical Properties of Tungsten Carbide Thin Films Using Monte Carlo Model. TecnoL. [online]. 2012, n.29, pp.105-117. ISSN 0123-7799.

The aim of this paper is to study the mechanical behavior of a system composed by substrate-coating using simulation methods. The contact stresses and the elastic deformation were analyzed by applying a normal load to the surface of the system consisting of a tungsten carbide (WC) thin film, which is used as a wear resistant material and a stainless steel substrate. The analysis is based on Monte Carlo simulations using the Metropolis algorithm. The phenomenon was simulated from a fcc face-centered crystalline structure, for both, the coating and the substrate, assuming that the uniaxial strain is taken in the z-axis. Results were obtained for different values of normal applied load to the surface of the coating, obtaining the Strain-stress curves. From this curve, the Young´s modulus was obtained with a value of 600 Gpa, similar to the reports.

Palavras-chave : Thin films; WC; Monte Carlo method; metropolis algorithm; stress-strain curves.

        · resumo em Espanhol     · texto em Espanhol     · Espanhol ( pdf )


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