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Comparison of Corrosion and Cavitation Erosion Behaviors Between the As-Cast and Friction-Stir-Processed Nickel Aluminum Bronze
Q. N. Song; Y. G. Zheng; S. L. Jiang; D. R. Ni; Z. Y. Ma
2013
Source PublicationCorrosion
ISSN0010-9312
Volume69Issue:11Pages:1111-1121
AbstractAn as-cast nickel aluminum bronze (NAB) was treated by friction-stir processing (FSP). Immersion test and electrochemical measurements under cavitation erosion condition were carried out to investigate the long-term and short-term corrosion behaviors of the as-cast and as-FSP NAB. Cavitation erosion tests were conducted in both distilled water and 3.5 wt% sodium chloride (NaCl) solution. The immersion test indicated that the electrochemical impedance of the as-FSP NAB was much higher, while there was little difference between them in the short-term test. The cumulative mass loss of the as-cast NAB was about 1.5 and 2 times as large as that of the as-FSP in distilled water and 3.5 wt% NaCl, respectively. The higher corrosion resistance of the as-FSP was a result of the refined and homogenized microstructure. Improved mechanical properties and fewer galvanic corrosion sites are attributed to the higher cavitation erosion resistance of the as-FSP NAB.
description.department[song, q. n. ; zheng, y. g. ; jiang, s. l.] chinese acad sci, inst met res, state key lab corros & protect, shenyang 110016, peoples r china. [ni, d. r. ; ma, z. y.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. ; zheng, yg (reprint author), chinese acad sci, inst met res, state key lab corros & protect, 62 wencui rd, shenyang 110016, peoples r china. ; ygzheng@imr.ac.cn
KeywordCorrosion Deformation Mechanism Friction-stir Processing Nickel Aluminum Bronze Cavitation Erosion Nial-bronze Microstructural Characterization Mechanical-properties Thermal Spray Sea-water Alloy Seawater Resistance Performance Propellers
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71466
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Q. N. Song,Y. G. Zheng,S. L. Jiang,et al. Comparison of Corrosion and Cavitation Erosion Behaviors Between the As-Cast and Friction-Stir-Processed Nickel Aluminum Bronze[J]. Corrosion,2013,69(11):1111-1121.
APA Q. N. Song,Y. G. Zheng,S. L. Jiang,D. R. Ni,&Z. Y. Ma.(2013).Comparison of Corrosion and Cavitation Erosion Behaviors Between the As-Cast and Friction-Stir-Processed Nickel Aluminum Bronze.Corrosion,69(11),1111-1121.
MLA Q. N. Song,et al."Comparison of Corrosion and Cavitation Erosion Behaviors Between the As-Cast and Friction-Stir-Processed Nickel Aluminum Bronze".Corrosion 69.11(2013):1111-1121.
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