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http://dx.doi.org/10.17702/jai.2022.23.4.122

A Study on the Plasma Treatment Effect of Metal Fibersusing Micromechanical Technique  

MiYeon Kwon (Materials & Component Convergence R&D Department, Korea Institute of Industrial Technology)
Seung Goo Lee (Department of Organic Materials Engineering, Chungnam National University)
Publication Information
Journal of Adhesion and Interface / v.23, no.4, 2022 , pp. 122-129 More about this Journal
Abstract
In this study, the hydrophilicity of the metal fiber is improved by introducing an oxygen-containing functional group to the fiber surface after treatment of the metal fiber using the oxygen plasma treatment time as an experimental variable. For the surface modification of metal fibers, changes in surface properties before and after plasma treatment were observed using SEM and x-ray photoelectron spectroscopy (XPS). In order to observe the effect of the plasma treatment time on the surface of the metal fiber, the change in contact angle of the metal fiber with respect to a polar solvent and a non-polar solvent was measured. After calculating the change in surface free energy using the measured contact angle, the contact angle and the surface free energy for metal fibers before and after oxygen plasma treatment were compared, and the correlation with the adhesion work was also considered. The microdroplet specimens were prepared to investigate the effect of surface changes of these metal fibers on the improvement of shear strength at the interface when combined with other materials and the interfacial shear strength was measured, and the correlation with the adhesion work was also identified. Therefore, the oxygen plasma treatment of the metal fiber results in an increase in the physical surface area on the fiber surface and a change in contact angle and surface energy according to the introduction of the oxygen-containing functional group on the surface. This surface hydrophilization resulted in improving the interfacial shear strength with the polymer resin.
Keywords
Plasma treatment; Metal fiber; Surface treatment; Interface adhesion; Micromechanical technique;
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Times Cited By KSCI : 4  (Citation Analysis)
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