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논문 기본 정보

자료유형
학술저널
저자정보
Young-Jong Kim (Korea Maritime & Ocean University)
저널정보
한국마린엔지니어링학회 Journal of Advanced Marine Engineering and Technology (JAMET) 한국마린엔지니어링학회지 제44권 제3호
발행연도
2020.6
수록면
230 - 235 (6page)
DOI
10.5916/jamet.2020.44.3.230

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초록· 키워드

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There is an increased interest in the development of lightweight materials with corrosion-resistant coatings in industries such as aerospace, automobile, ship, and electronics. In this study, a Zn thin film is fabricated on a magnesium alloy (AZ91D) substrate by thermo-electron activated ion plating, which is a modified physical vapor deposition (PVD) method that is environmentally friendly and capable of controlling nano-phase particles. The effect of gas pressure and substrate bias voltage on the morphology and crystal orientation of the Zn thin film was analyzed by X-ray diffraction and field emission scanning electron microscopy (SEM). Additionally, the corrosion behavior of the Zn thin film was evaluated by an electrochemical anodic polarization test using a deaerated 3% NaCl solution. All the deposited Zn films showed good corrosion resistance as compared to the bare substrate of AZ91D. It was observed that the morphology of the Zn film was changed from column structure to granular structure by gas pressure. The morphology of the films was affected not only by Ar gas pressure but also by the substrate bias voltage. The effect of increasing bias voltage was similar to reducing gas pressure. Finally, the corrosion resistance of AZ91D was greatly improved by the Zn thin film obtained by optimizing the crystal orientation and the morphology through the plasma ion plating technique.

목차

Abstract
1. Introduction
2. Experimental method
3. Results and Discussion
4. Conclusion
References

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