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Cavitation-erosion Resistance of Stabilized Stainless Steel with Niobium Addition in Sea Water Environment
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 Title & Authors
Cavitation-erosion Resistance of Stabilized Stainless Steel with Niobium Addition in Sea Water Environment
Choi, Yong-Won; Han, Min-Su; Kim, Seong-Jong;
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 Abstract
Stainless steel is widely used in various industries due to its excellent anti-corrosion characteristics. However, if the stainless steel is exposed to high speed fluid flow and chloride ion in the marine environment, corrosion and cavitation damage occurred on the surface easily. Therefore, to prevent these problems, stabilzed stainless steel is applied to offshore and shipbuilding industries. In this study, stabilized stainless steel specimen was made by 19%Cr-9%Ni with different Nb contents (0.29%, 0.46% and 0.71%). And then, their cavitation characteristics were investigated. As a result, the characteristics of cavitation resistance of stainless steel could be improved by increasing Nb contents.
 Keywords
Stainless steel;Nb contents;Cavitation;Corrosion;Marine environment;
 Language
Korean
 Cited by
1.
Cavitation-Erosion Characteristics of the Stainless Steel with Adding Ti Stabilizer Element in Sea Water, Journal of the Korean institute of surface engineering, 2016, 49, 4, 344  crossref(new windwow)
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