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Effects of copper addition on the formation of inclusions and the resistance to pitting corrosion of high performance duplex stainless steels
- Jeon, Soon-Hyeok;
- Kim, Soon-Tae;
- Lee, In-Sung;
- Park, Joo-Hyun;
- Kim, Kwang-Tae;
- 외 2명
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82초록
To elucidate the effects of copper addition on the formation of inclusions and the resistance to pitting corrosion of alloys, potentiodynamic and potentiostatic polarization tests, a SEM-EDS analysis of inclusions, and thermodynamic calculations of the formation of inclusions were conducted. The addition of copper to the base alloy increased the number and area of numerous (Mn, Cr, (Al), (Fe)) oxides and oxy-sulfides due to an increase in the activity of chromium and resulted in decreased pitting resistance. The thermodynamic prediction of the formation of inclusions was in good agreement with the experimental results. (c) 2011 Elsevier Ltd. All rights reserved.
키워드
Copper; Stainless steel; Potentiostatic; SEM; Inclusion; Pitting corrosion; SULFURIC-ACID-SOLUTION; CHLORIDE SOLUTION; BEHAVIOR; GROWTH; PASSIVATION; NUCLEATION; PITS; CU; TRANSITION; STABILITY
- 제목
- Effects of copper addition on the formation of inclusions and the resistance to pitting corrosion of high performance duplex stainless steels
- 저자
- Jeon, Soon-Hyeok; Kim, Soon-Tae; Lee, In-Sung; Park, Joo-Hyun; Kim, Kwang-Tae; Kim, Ji-Soo; Park, Yong-Soo
- 발행일
- 2011-04
- 유형
- Article
- 권
- 53
- 호
- 4
- 페이지
- 1408 ~ 1416