• Title/Summary/Keyword: 봉공처리

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An Experimental Study on the Evaluation of Anti-corrosion Performance of High-frequency Arc Metal Spray film on Steel using EIS Method (전기화학적 임피던스 분광법(EIS)을 이용한 고주파 아크 금속용사 피막의 강재 방식성능 평가에 관한 실험적 연구)

  • Choe, Hong-Bok;Lee, Han-Seung
    • Proceedings of the Korean Institute of Building Construction Conference
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    • 2014.11a
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    • pp.61-62
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    • 2014
  • To evaluate anti-corrosion performance of high-frequency arc metal spray film in accordance with metal type and epoxy sealing coat application status, electrochemical impedance spectroscopy(EIS) method was conducted in this study. As a result, in case of applying Al-Mg alloy metal spray film, it showed the best polarization resistance. In case of applying epoxy sealing coat, it showed increased polarization resistance of arc metal spray film. Through this experiment, it is judged that Al-Mg alloy arc metal spray film with epoxy sealing coat can increase the biggest anti-corrosion performance of high-frequency arc metal spray film on steel.

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Experimental Study on Evaluation of Bond Strength after Ozone Treatment and Ozone Resistance of Concrete Metal Spray Coating for Advanced Water Treatment (고도정수처리용 콘크리트 금속용사 피막의 내오존성 및 오존처리 후 부착강도 평가에 관한 실험적 연구)

  • Park, Jin-Ho;Jang, Hyun-O;Lee, Han-Seung
    • Journal of the Korea institute for structural maintenance and inspection
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    • v.22 no.4
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    • pp.68-75
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    • 2018
  • The introduction of advanced water treatment facilities has increased as the conventional purification method cannot remove the substance clearly. However, the internal waterproofing and Anticorrosion materials of the advanced water treatment facility using ozone deteriorate due to the oxidation power of ozone and affects the concrete, which causes a decrease in durability. This study is to evaluate the ozone resistance according to the type of spray metal and the surface treatment method of the coating, and the bond strength after ozone treatment in order to develope a finishing method to prevent deterioration of concrete structure of water treatment facility using metal spraying method as a way to construct metal panel with excellent ozone resistance and chemical resistance by an easier way than the previous. The Experimental results show that spray metal Ti has superior ozone resistance even after spraying. It is considered to be the most suitable method for ozone resistance and bond performance by finishing using Teflon sealing as surface treatment method.