Resumo

PEREZ-RUIZ, Eduardo A.; MUNOZ-TOVAR, German E.; SOUZA, Roberto M.  e  NEGRIN-HERNANDEZ, Luis-Ivan. Simulation tribological system formed by substrate roughness coating using numeric methods. Ingeniería Mecánica [online]. 2014, vol.17, n.1, pp. 48-56. ISSN 1815-5944.

This research focuses on simulate and to analyze using Finite Element Method, the stresses behavior obtained in a system (substrate+coating) as a result of the contact with a rigid particle under normal load and sliding along the surface of the system, which has roughness Ra of 0,36?m. The results show that in the scratch test simulation, the roughness of coated system must be considered contrary to the literature simulations of this field, since this affects the stresses and deformations behavior during contact and sliding. Thus, to increase surface roughness peaks greater possibility of inducing stress cracking.

Palavras-chave : finite element method; coated systems; roughness; stresses.

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