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논문 기본 정보

자료유형
학술저널
저자정보
Basit Raza Fazal (Korea Institute of Materials Science) Sungmo Moon (Korea Institute of Materials Science)
저널정보
한국표면공학회 한국표면공학회지 한국표면공학회지 제49권 제3호
발행연도
2016.6
수록면
231 - 237 (7page)

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This article reports a new chemical bath for preparing a mirror-like surface of AZ31 Mg alloy. In order to find an appropriate chemical polishing solution, four different acidic solutions of sulphuric acid, nitric acid, acetic acid and a specially designed mixture of nitric acid and acetic acid were investigated in view of the changes in surface appearance, roughness and dissolution rate of AZ31 Mg alloy. The surface scales on AZ31 Mg alloy were readily removed by all the acidic solutions, but a reflective surface was produced only by etching in the specially designed solution, and only after a specific etching time. The surface roughness increased with etching time in sulphuric acid, nitric acid, and acetic acid, but it lowered after a specific etching time in the specially designed mixture of nitric acid and acetic acid. Dissolution rate of the alloy in the specially designed mixture of nitric acid and acetic acid appeared to be more than twice than that in separate nitric acid or acetic acid. In this work, we recommend the mirror-like surface of AZ31 Mg alloy obtained by polishing for an optimum time in a mixture of nitric acid and acetic acid for following surface finishings, chemical conversion coating, electroplating, electrophoretic painting and anodizing treatment.

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

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UCI(KEPA) : I410-ECN-0101-2017-581-000848205