酸性介质中桂圆壳碳点对碳钢的缓蚀性能研究

陈佳起, 侯道林, 肖晗, 高雨薇, 董社英

Corrosion Inhibition on Carbon Steel in Acidic Solution by Carbon Dots Prepared from Waste Longan Shells

CHEN Jiaqi, HOU Daolin, XIAO Han, GAO Yuwei, DONG Sheying

表5 Q235钢在含20 mg·L-1 N-lsCDs的1 mol·L-1 HCl溶液中不同温度下的极化参数

Table 5 Polarization parameters of Q235 steel in 1 mol·L-1 HCl solution containing 20 mg·L-1 N-lsCDs at different temperatures

T / ℃ Ecorr / V βa / mV·dec-1 Icorr / A·cm-2 η / % 20 -0.464 14.70 4.2×10-5 93.74 30 -0.453 16.49 4.2×10-5 93.83 40 -0.461 15.81 1.3×10-4 80.02 50 -0.459 14.73 2.8×10-4 58.11