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    CHEN Long, QU Yu, TANG Yan-bing, FANG Xiang. Critical Chloride Concentration of Stainless Steels in Simulated Concrete Pore Solutions[J]. Corrosion & Protection, 2014, 35(5): 446-449.
    Citation: CHEN Long, QU Yu, TANG Yan-bing, FANG Xiang. Critical Chloride Concentration of Stainless Steels in Simulated Concrete Pore Solutions[J]. Corrosion & Protection, 2014, 35(5): 446-449.
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    Critical Chloride Concentration of Stainless Steels in Simulated Concrete Pore Solutions

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    • The critical chloride concentration of Q235 and stainless steels(304L and 316L) reinforcements in simulated concrete pore solutions (SPS) were analyzed by potentiodynamic scanning and SEM. The compositions of passive film of 304L and 316L stainless steels were analyzed by XPS. The results indicated the critical chloride concentration were about 0.06 mol/L, 1.2 mol/L and 4.0 mol/L for Q235 steel, 304 L and 316 L stainless steel in SPS respectively. The content of Cr3+ oxide in passive film for 316L stainless steel is higher than 304L stainless steel.
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