다양한 금속 부품의 내식성 향상을 위한 Zn-Al 열 확산 코팅 기술 개발
Development of Zn-Al thermal diffusion coating technology for improving anti-corrosion of various metal products
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Modern industry has a wide variety of application areas such as ocean industry, construction and automobileindustry. With the current circumstances, the need for anti-corrosion technology that can be used on materialsto withstand in harsh environments, is increasing. In this study, we have sought to develop a metal coatingtechnology with zinc and aluminum powders as a potential anti-corrosion material. To make a coating onmetal products, a thermal diffusion coating method was used under the conditions of 350℃ for 30 minutes. Optical microscope, Field emission scanning electron microscope (FE-SEM&EDX) and X-ray diffractionanalysis were used to analyze a coating layer. As a result, we have confirmed that the generated amountof rust on metal parts coated with thermal diffusion coating method decreased dramatically compared withnon-coated metal parts. Furthermore, the anti-corrosion performance was evaluated according to the differentratio of zinc and aluminum. Finally, we confirmed the possibility of application and commercializationof our coating technique on metal parts used in harsh industrial based on the results of these performance.
Abstract
Modern industry has a wide variety of application areas such as ocean industry, construction and automobileindustry. With the current circumstances, the need for anti-corrosion technology that can be used on materialsto withstand in harsh environments, is increasing. In this study, we have sought to develop a metal coatingtechnology with zinc and aluminum powders as a potential anti-corrosion material. To make a coating onmetal products, a thermal diffusion coating method was used under the conditions of 350℃ for 30 minutes. Optical microscope, Field emission scanning electron microscope (FE-SEM&EDX) and X-ray diffractionanalysis were used to analyze a coating layer. As a result, we have confirmed that the generated amountof rust on metal parts coated with thermal diffusion coating method decreased dramatically compared withnon-coated metal parts. Furthermore, the anti-corrosion performance was evaluated according to the differentratio of zinc and aluminum. Finally, we confirmed the possibility of application and commercializationof our coating technique on metal parts used in harsh industrial based on the results of these performance.
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