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Corrosion Resistance of Co-containing Maraging Stainless Steel
Alternative TitleCorrosion Resistance of Co-containing Maraging Stainless Steel
Tian JiaLong1; Wang Wei2; Shahzad M Babar2; Yan Wei2; Shan YiYin2; Jiang ZhouHua3; Yang Ke2
2018
Source PublicationACTA METALLURGICA SINICA-ENGLISH LETTERS
ISSN1006-7191
Volume31Issue:8Pages:785-797
AbstractCorrosion resistance behavior of Co-containing maraging stainless steels was investigated. Neutral salt spray and polarization test showed that maraging stainless steel with high Co content showed poor corrosion behavior. Microstructure observation proved that segregation of Cr in the matrix deteriorated its corrosion resistance. The surface morphology of the aged maraging stainless steel with high Co content indicated that during passivation process, the newly formed passive film with sinusoidal distribution readily destroyed by the corrosive medium, hence, causing poor corrosion resistance. Moreover, through first-principles calculation it was proved that Co increased Fe-Fe ferromagnetic interaction which facilitated the formation Cr-rich clusters.
Other AbstractCorrosion resistance behavior of Co-containing maraging stainless steels was investigated. Neutral salt spray and polarization test showed that maraging stainless steel with high Co content showed poor corrosion behavior. Microstructure observation proved that segregation of Cr in the matrix deteriorated its corrosion resistance. The surface morphology of the aged maraging stainless steel with high Co content indicated that during passivation process, the newly formed passive film with sinusoidal distribution readily destroyed by the corrosive medium, hence, causing poor corrosion resistance. Moreover, through first-principles calculation it was proved that Co increased Fe-Fe ferromagnetic interaction which facilitated the formation Cr-rich clusters.
KeywordULTRA-HIGH STRENGTH DUAL-PHASE STEEL MICROSTRUCTURAL EVOLUTION PITTING CORROSION HEAT-TREATMENT PASSIVE FILMS BEHAVIOR CR TEMPERATURE ALLOYS Maraging stainless steel Corrosion resistance Passive film Atom probe tomography First-principles calculation
Indexed ByCSCD
Language英语
Funding Project[Youth Innovation Promotion Association of Chinese Academy of Sciences] ; [Innovation Project of Institute of Metal Research]
CSCD IDCSCD:6303457
Citation statistics
Cited Times:2[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/143890
Collection中国科学院金属研究所
Affiliation1.中国科学院金属研究所
2.中国科学院
3.东北大学
Recommended Citation
GB/T 7714
Tian JiaLong,Wang Wei,Shahzad M Babar,et al. Corrosion Resistance of Co-containing Maraging Stainless Steel[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2018,31(8):785-797.
APA Tian JiaLong.,Wang Wei.,Shahzad M Babar.,Yan Wei.,Shan YiYin.,...&Yang Ke.(2018).Corrosion Resistance of Co-containing Maraging Stainless Steel.ACTA METALLURGICA SINICA-ENGLISH LETTERS,31(8),785-797.
MLA Tian JiaLong,et al."Corrosion Resistance of Co-containing Maraging Stainless Steel".ACTA METALLURGICA SINICA-ENGLISH LETTERS 31.8(2018):785-797.
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