Effect of Coating Damage on the Micro Area Corrosion Performance of HDR Duplex Stainless Steel
Yufeng Lin,
Zhuying Li,
Xiaoqiang Wang
et al.
Abstract:In order to determine the effect of damaged insulating enamel on the corrosion of high-chromium (H), duplex (D), and corrosion-resistant (R) duplex stainless steel, the corrosion characteristics of HDR duplex stainless steel in 3.5% NaCl solution were studied by means of local electrochemical impedance spectroscopy (LEIS) and micro-morphology analysis. It was shown that the LEIS impedance was stable at about 7.0 × 103 Ω within 10 days when the HDR duplex stainless steel was not coated. The minimum LEIS impedan… Show more
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