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Volume 11, Issue 1, 2017
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DETERMINING THE VALUE OF SURFACE FREE ENERGY ON THE BASIS OF THE CONTACT ANGLE

Mariusz Kłonica 1  ,  
Józef Kuczmaszewski 1  
 
1
Lublin University of Technology, Nadbystrzycka 38D, 20-618 Lublin, Poland
Adv. Sci. Technol. Res. J. 2017; 11(1):66–74
Publish date: 2017-03-03
DOI: https://doi.org/10.12913/22998624/68800
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KEYWORDS:
contact angle, surface layer, energy state, ozonisation
TOPICS:
Scientific and technical research
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.
CORRESPONDING AUTHOR:
Mariusz Kłonica   
Lublin University of Technology, Nadbystrzycka 38D, 20-618 Lublin, Poland
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