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Corrosion and Cavitation Erosion Behaviors of Two Marine Propeller Materials in Clean and Sulfide-Polluted 3.5% NaCl Solutions
Song, Qi-Ning; Xu, Nan; Bao, Ye-Feng; Jiang, Yong-Feng; Gu, Wei; Zheng, Yu-Gui; Qiao, Yan-Xin; Bao, YF (reprint author), Hohai Univ, Coll Mech & Elect Engn, Changzhou 213022, Peoples R China.
2017-08-01
Source PublicationACTA METALLURGICA SINICA-ENGLISH LETTERS
ISSN1006-7191
Volume30Issue:8Pages:712-720
AbstractThe corrosion and cavitation erosion behaviors of two main materials for ship propellers, i.e., nickel-aluminum bronze (NAB) and manganese-nickel-aluminum bronze (MAB) were investigated in a clean and sulfide-polluted 3.5% NaCl solutions. The presence of sulfide increased the corrosion damage of both NAB and MAB by rendering the corrosion product film thicker, more porous and less protective. For MAB, the formation of Fe oxides/sulfides within the corrosion product film may reduce the film compactness and responsible for the lower corrosion resistance, compared with NAB. The presence of sulfide caused the occurrence of more severe corrosion on the surface and therefore further enhanced the cavitation erosion damage. Compared with the result in the clean solution, the cavitation-erosion mass loss rate was raised by a factor of about 11.88% for MAB, and 58.6% for NAB. For NAB, the mechanical erosion dominated the damage in the clean solution, while the cavitation erosion synergy made a significant contribution to the overall damage in the sulfide-polluted solution. For MAB, it was the mechanical damage that contributed mainly to the cavitation erosion damage in both solutions. The exfoliation of large-sized kappa phase and the cleavage rupture of beta phases resulted in lower cavitation erosion resistance of MAB, compared with NAB.; The corrosion and cavitation erosion behaviors of two main materials for ship propellers, i.e., nickel-aluminum bronze (NAB) and manganese-nickel-aluminum bronze (MAB) were investigated in a clean and sulfide-polluted 3.5% NaCl solutions. The presence of sulfide increased the corrosion damage of both NAB and MAB by rendering the corrosion product film thicker, more porous and less protective. For MAB, the formation of Fe oxides/sulfides within the corrosion product film may reduce the film compactness and responsible for the lower corrosion resistance, compared with NAB. The presence of sulfide caused the occurrence of more severe corrosion on the surface and therefore further enhanced the cavitation erosion damage. Compared with the result in the clean solution, the cavitation-erosion mass loss rate was raised by a factor of about 11.88% for MAB, and 58.6% for NAB. For NAB, the mechanical erosion dominated the damage in the clean solution, while the cavitation erosion synergy made a significant contribution to the overall damage in the sulfide-polluted solution. For MAB, it was the mechanical damage that contributed mainly to the cavitation erosion damage in both solutions. The exfoliation of large-sized kappa phase and the cleavage rupture of beta phases resulted in lower cavitation erosion resistance of MAB, compared with NAB.
description.department[song, qi-ning ; xu, nan ; bao, ye-feng ; jiang, yong-feng ; gu, wei] hohai univ, coll mech & elect engn, changzhou 213022, peoples r china ; [zheng, yu-gui] chinese acad sci, key lab nucl mat & safety assessment, inst met res, shenyang 110016, peoples r china ; [qiao, yan-xin] jiangsu univ sci & technol, coll mat sci & engn, zhenjiang 212003, peoples r china
KeywordCopper Alloy Cavitation Erosion Corrosion Sulfide
Subject AreaMetallurgy & Metallurgical Engineering
Funding OrganizationFundamental Research Funds for the Central Universities of China [2015B30314, 2014B11614]; National Natural Science Foundation of China [51601058]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/78024
Collection中国科学院金属研究所
Corresponding AuthorBao, YF (reprint author), Hohai Univ, Coll Mech & Elect Engn, Changzhou 213022, Peoples R China.
Recommended Citation
GB/T 7714
Song, Qi-Ning,Xu, Nan,Bao, Ye-Feng,et al. Corrosion and Cavitation Erosion Behaviors of Two Marine Propeller Materials in Clean and Sulfide-Polluted 3.5% NaCl Solutions[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2017,30(8):712-720.
APA Song, Qi-Ning.,Xu, Nan.,Bao, Ye-Feng.,Jiang, Yong-Feng.,Gu, Wei.,...&Bao, YF .(2017).Corrosion and Cavitation Erosion Behaviors of Two Marine Propeller Materials in Clean and Sulfide-Polluted 3.5% NaCl Solutions.ACTA METALLURGICA SINICA-ENGLISH LETTERS,30(8),712-720.
MLA Song, Qi-Ning,et al."Corrosion and Cavitation Erosion Behaviors of Two Marine Propeller Materials in Clean and Sulfide-Polluted 3.5% NaCl Solutions".ACTA METALLURGICA SINICA-ENGLISH LETTERS 30.8(2017):712-720.
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