豆粕提取物在盐酸中对Q235钢的缓蚀性能

王霞,任帅飞,张代雄,蒋欢,古月

Inhibition Effect of Soybean Meal Extract on Corrosion of Q235 Steel in Hydrochloric Acid Medium

Xia WANG,Shuaifei REN,Daixiong ZHANG,Huan JIANG,Yue GU

表1 Q235钢在40 ℃下含不同浓度SME的1 mol/L HCl溶液中的动电位极化曲线参数

Table 1

Concentrationg/L	-E_corr mV	I_corr μA·cm^-2	β_a mV·dec^-1	-β_c mV·dec^-1	η %	R_d %
Blank	440	1134	88	115	---	---
0.2	472	205	104	103	81	0.8
0.4	470	124	105	168	89	1.1
0.6	454	110	81	107	90	1.4
0.8	482	96	106	117	91	1.2