Please use this identifier to cite or link to this item:
https://hdl.handle.net/10316/4304
Title: | A model for coated surface hardness | Authors: | Fernandes, J. V. Trindade, A. C. Menezes, L. F. Cavaleiro, A. |
Keywords: | Thin films; Indentation; Hardness; Modelling | Issue Date: | 2000 | Citation: | Surface and Coatings Technology. 131:1-3 (2000) 457-461 | Abstract: | The authors present a model that predicts the hardness of a film deposited on the surface of a substrate. The model is based on a simple mathematical relationship involving the hardness of the film and the hardness of the substrate, together with the hardness of the composite film/substrate at a given film thickness/penetration depth ratio. The parameters of the present model depend on the mechanical properties of the film/substrate pair and can be experimentally determined by using depth-sensing hardness instruments. In the models found in the literature, the equation parameters are constants typical for each model. The present model is proposed and validated for the case of a film (W-C-Co coating) harder than the substrate (various metallic materials) and it allows determination of the film hardness without the need to determine either the film thickness or the substrate hardness. | URI: | https://hdl.handle.net/10316/4304 | DOI: | 10.1016/S0257-8972(00)00839-2 | Rights: | openAccess |
Appears in Collections: | FCTUC Eng.Mecânica - Artigos em Revistas Internacionais |
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