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논문 기본 정보

자료유형
학술저널
저자정보
백민숙 (순천대학교) 김용철 (삼우에코) 백경철 (삼우에코) 곽준섭 (순천대학교) 윤동주 (순천대학교)
저널정보
한국표면공학회 한국표면공학회지 한국표면공학회지 제53권 제3호
발행연도
2020.6
수록면
95 - 103 (9page)

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초록· 키워드

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In this study, the material used in the hot dip galvanizing equipment was poorly corrosion-resistant, so it was performed to solve the cost and time problems caused by equipment replacement. The theoretical calculation was performed using the DV-Xα method(Discrete Variational Local-density approximation method). The alloy (STS4XX series) of the equipment currently used has a martensite phase. Therefore, the theoretical calculation was performed by applying P4 / mmm, which is a tetragonal structure. The new alloy was chosen by designing theoretical values close to existing materials. Considering elements that contribute to corrosion, most have high prices. Therefore, the design was completed by adjusting the content using only the components of the reference material in the theoretical design. The final design alloys were chosen as D6 and D9. Designed D6 and D9 were dissolved and prepared using an induction furnace. After the heat treatment process was completed, the corrosion rate of the alloys was confirmed by using the potentiodynamic polarization test. The surface of the prepared alloys were processed horizontally and then polished to # 1200 using sand paper to perform potentiodynamic polarization test. Domestic products: 4.735 mpy (mils / year), D6: 0.9166 mpy, D9: 0.3372 mpy, alloys designed than domestic products had a lower corrosion rate. Therefore, the designed alloy was expected to have better erosion resistance.

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Abstract
1. 서론
2. 실험방법
3. 결과 및 고찰
4. 결론
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UCI(KEPA) : I410-ECN-0101-2020-581-000854860