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http://dx.doi.org/10.5762/KAIS.2017.18.2.95

Measurement Algorithms of Sizing removed state using Image Process And Development of Carbon fibers with Electromagnetic shielding Performance  

Cho, Joon-Ho (Department of Electronics Convergence Engineering, Wonkwang University)
Jeon, Kwan-Goo (company limited by shares, Dains)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.18, no.2, 2017 , pp. 95-101 More about this Journal
Abstract
In this paper, the sizing removal condition for the pretreatment of composite materials is obtained numerically by applying an image processing algorithm and nickel-plated carbon fiber is fabricated by a dry process method to enhance its electromagnetic shielding performance. Sizings that are wrapped in a polymer type material during the manufacturing of carbon fiber should be removed for dry coating. A numerical value, that is the correlation, can be obtained by determining the regular pattern of the carbon fiber in the image taken by a scanning electron microscope (SEM) after the sizing is removed. The application of the proposed numerical method to the SEM image of the fiber after the sizing is removed with solution, compressed air, solution and compressed air (hybrid), showed that this method of eliminating the sizing is superior to the hybrid method. Then, by spreading the carbon fiber roll with the sizing removed, we were able to produce nickel plated carbon fiber by the roll-to-roll sputtering method. The electromagnetic shielding performance of the fabricated 30, 40 and 100 nickel coated carbon fibers was measured. The Korea Advanced Institute of Science and Technology evaluated the electromagnetic shielding performance of the 100 nickel-coated carbon fiber to have a maximum value of 73.2 (dB) and a minimum value of 66.7 (dB). This is similar to the electromagnetic shielding rate of copper and shows that this material can be used as a cable for EV / HEV automobiles.
Keywords
Carbon fibers; Electromagnetic; Image processing; Relationship coefficient; Shielding;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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