Effect of Plasma Carburizing Treatment on Pitting Corrosion Resistance of Type 304 Stainless Steel

被引：0
|
作者：
Inoue, Waka [1 ]
Muto, Izumi [1 ]
Sugawara, Yu [1 ]
Hara, Nobuyoshi [1 ]
机构：
[1] Tohoku Univ, Dept Mat Sci, Aoba Ku, 6-6-02 Aza Aoba, Sendai, Miyagi 9808579, Japan
来源：
GENERAL STUDENT POSTER SESSION | 2017年 / 75卷 / 52期
关键词：
D O I：
10.1149/07552.0001ecst
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Pitting corrosion resistance of stainless steels was improved by plasma carburizing at low temperatures. From anodic polarization, carburized stainless steels showed higher pitting potential than that of untreated stainless steels, and no stable pit was generated. Inclusions acted as initiation sites for metastable pits, but no stable pit was observed on the carburized stainless steels. It is likely that active dissolution of steel matrix was suppressed by the interstitial carbon.
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页码：1 / 9
页数：9
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