Effects of copper addition on the formation of inclusions and the resistance to pitting corrosion of high performance duplex stainless steels

被引：72

作者：

Jeon, Soon-Hyeok ^{[1
]}

Kim, Soon-Tae ^{[1
]}

Lee, In-Sung ^{[1
]}

Park, Joo-Hyun ^{[2
]}

Kim, Kwang-Tae ^{[3
]}

Kim, Ji-Soo ^{[3
]}

Park, Yong-Soo ^{[1
]}

机构：

[1] Yonsei Univ, Dept Mat Sci & Engn, Seoul 120749, South Korea

[2] Univ Ulsan, Dept Mat Sci & Engn, Ulsan 680749, South Korea

[3] POSCO Tech Res Labs, Stainless Steel Res Grp, Pohang 790785, Gyeongbuk, South Korea

来源：

CORROSION SCIENCE | 2011年 / 53卷 / 04期

关键词：

Copper; Stainless steel; Potentiostatic; SEM; Inclusion; Pitting corrosion; SULFURIC-ACID-SOLUTION; CHLORIDE SOLUTION; BEHAVIOR; GROWTH; PASSIVATION; NUCLEATION; PITS; CU; TRANSITION; STABILITY;

D O I：

10.1016/j.corsci.2011.01.005

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

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.

引用

页码：1408 / 1416

页数：9

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