DETERMINING THE VALUE OF SURFACE FREE ENERGY ON THE BASIS OF THE CONTACT ANGLE
| 1 | Lublin University of Technology, Nadbystrzycka 38D, 20-618 Lublin, Poland |
CORRESPONDING AUTHOR
Publication date: 2017-03-03
Adv. Sci. Technol. Res. J. 2017; 11(1):66–74
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ABSTRACT
This paper presents the results of tests concerning the value of surface free energy on the basis of measurements of contact angle with measure liquids: distilled water and diiodomethane. The surface of steel-316L samples was modified in an ozone atmosphere, and the concentration of ozone and the conditioning time of the samples in the reaction chamber were changed. The results of tests concerning the measurements of the value of surface free energy were subject to analysis. Also analysed were the components of SFE: the polar and dispersive components. The obtained test results were analysed in statistical terms. The paper ends with conclusions.
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