| Al1050 합금에 Plasma Electrolytic Oxidation으로 형성된 산화피막 분석 |
| 김배연, 이득용1, 김용남2, 전민석2, 유완식3, 김광엽3 |
인천대학교 신소재공학과
1대림대학교 재료정보학과
2한국산업기술시험원 |
| Analysis of Oxide Coatings Formed on Al1050 Alloy by Plasma Electrolytic Oxidation |
| Bae-Yeon Kim, Deuk-Yong Lee1, Yong-Nam Kim2, Min-Seok Jeon2, Whan-Sik You3, Kwang-Youp Kim3 |
Department of Advanced Materials Engineering, University of Incheon
1Department of Materials Engineering, Daelim University College
2Korea Testing Laboratory
3MST Technology |
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| ABSTRACT |
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The crystal structure of surface coatings on Al1050 alloy by PEO (Plasma Electrolytic Oxidation), were investigated. The electrolyte for PEO was Na-Si-P system solution. The main crystalline phase were $gamma$-alumina and $alpha$-alumina. Crystallinity was increased with applied voltage and applied time. The dominant crystalline phase were affected not only chemical composition of Al alloy substrate and electrolyte, but also the +/- ratio of applied voltage. |
| Key words:
PEO, Coating, Alumina, Crystal structure, XRD |
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