Effect of C Fraction on Corrosion Properties of High Interstitial Alloyed Stainless Steels

被引：0
|
作者：
Heon-Young Ha
Tae-Ho Lee
Sung-Joon Kim
机构：
[1] Korea Institute of Materials Science,Advanced Metallic Materials Division
[2] Pohang University of Science & Technology,Graduate Institute of Ferrous Technology
来源：
Metallurgical and Materials Transactions A | 2012年 / 43卷
关键词：
Passive Film; Aged Alloy; Intergranular Corrosion; Electrochemical Potentiokinetic Reactivation; High Nitrogen Stainless Steel;
D O I：
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中图分类号：
学科分类号：
摘要：
The effects of carbon fraction on various corrosion properties of Fe18Cr10MnNC alloys were investigated. The alloys contained 0.6 wt pct of nitrogen and carbon, and the carbon fraction varied from 0.03 to 0.47. With increasing the carbon fraction, corrosion potential raised, critical dissolution rate decreased, and pitting potential increased. The high carbon fraction was responsible for high resistance against intergranular corrosion of the alloys aged at 1123 K (850 °C) for 100 seconds. But after aging at 1123 K (850 °C) for 600 seconds, the intergranular corrosion accelerated with increasing the carbon fraction.
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页码：2999 / 3005
页数：6
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