Influence of surface treatment on the surface energy of an aluminium substrate

[Display omitted] The mechanisms by which adhesion occurs are known. In all cases, the search for an adequate surface condition is decisive in achieving a good adhesion. For this reason, the researches usually work on modifying the surface roughness or improving the thermodynamic characteristics of...

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Bibliographic Details
Published in:Colloids and surfaces. A, Physicochemical and engineering aspects Physicochemical and engineering aspects, 2019-01, Vol.560, p.323-329
Main Authors: Narbon, Julián J., Moreno-Díaz, Cristina, Arenas, José Manuel
Format: Article
Language:English
Subjects:
Contact angle
LSP
Roughness
Surface treatment
Surfaces
Zisman
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Summary:[Display omitted] The mechanisms by which adhesion occurs are known. In all cases, the search for an adequate surface condition is decisive in achieving a good adhesion. For this reason, the researches usually work on modifying the surface roughness or improving the thermodynamic characteristics of the surface. The objective on this work is to analyse influence of different attack types (chemical, mechanic, with laser …) which are used to improve surface finish, roughness and surface energy. We have analysed the effects that have produced in the contact angle, measuring the surface energy by the Zisman method. The results revealed that the method of attack has more influence on the value of surface energy than the values of roughness obtained, which can make rethink the type of surface treatment to improve adhesion.
ISSN:0927-7757
1873-4359
DOI:10.1016/j.colsurfa.2018.09.010