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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
- Authors
- Jeon, Soon-Hyeok; Kim, Soon-Tae; Lee, In-Sung; Park, Joo-Hyun; Kim, Kwang-Tae; Kim, Ji-Soo; Park, Yong-Soo
- Issue Date
- Apr-2011
- Publisher
- Pergamon Press Ltd.
- Keywords
- Copper; Stainless steel; Potentiostatic; SEM; Inclusion; Pitting corrosion
- Citation
- Corrosion Science, v.53, no.4, pp.1408 - 1416
- Indexed
- SCIE
SCOPUS
- Journal Title
- Corrosion Science
- Volume
- 53
- Number
- 4
- Start Page
- 1408
- End Page
- 1416
- ISSN
- 0010-938X
- Abstract
- 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.
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Related Researcher
- Park, Joo Hyun
- ERICA 공학대학 (DEPARTMENT OF MATERIALS SCIENCE AND CHEMICAL ENGINEERING)