Effect of scratching on the microstructure and pitting corrosion of 304L stainless steel

IF 0.8 4区 物理与天体物理 Q3 PHYSICS, MULTIDISCIPLINARY
Chengtao Li, Zhilin Chen, Lijun Song, Hongqun Liu, Zhong Liu, Yongliang Sun, Jun Wang
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引用次数: 0

Abstract

In this work, the impact of scratching on the microstructure and pitting corrosion behavior of a 304L austenitic stainless steel in a 2500 mg/L borated solution was investigated. Scratching induced the formation of a plastic deformed surface layer. Martensite phase was observed in the deformed surface layer, implying the occurrence of martensite phase transformation. The scratched 304L stainless steel possesses a lower pitting corrosion potential and a higher corrosion current compared to its unscratched counterpart. Scratching grooves are the preferential sites for the initiation of pitting corrosion. The oxide films formed on the scratch groove were loose and porous, exhibiting low protective ability.

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来源期刊
Journal of the Korean Physical Society
Journal of the Korean Physical Society PHYSICS, MULTIDISCIPLINARY-
CiteScore
1.20
自引率
16.70%
发文量
276
审稿时长
5.5 months
期刊介绍: The Journal of the Korean Physical Society (JKPS) covers all fields of physics spanning from statistical physics and condensed matter physics to particle physics. The manuscript to be published in JKPS is required to hold the originality, significance, and recent completeness. The journal is composed of Full paper, Letters, and Brief sections. In addition, featured articles with outstanding results are selected by the Editorial board and introduced in the online version. For emphasis on aspect of international journal, several world-distinguished researchers join the Editorial board. High quality of papers may be express-published when it is recommended or requested.
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