阴极面积对3.5%NaCl溶液中304不锈钢稳态点蚀生长速率的影响

张思齐,杜楠,王梅丰,王帅星,赵晴

Effect of Cathode Area on Stable Pitting Growth Rate of 304 Stainless Steel in 3.5%NaCl Solution

Siqi ZHANG,Nan DU,Meifeng WANG,Shuaixing WANG,Qing ZHAO

表3 不同阴阳极面积比下的电化学阻抗谱拟合数据

Table 3 Fitting results of EIS

Sc:Sa Rsol/ Ω Cdl/ μF Rct/ Ω R1/ Ω n L/ H Q/ μF 0 0.3932 0.0005 4.776 3.186 --- 0.1956 --- 1 0.4010 0.0031 4.597 0.647 0.7729 --- 0.143 2 0.4337 0.0011 3.305 1.057 0.8859 --- 0.097 4 0.4190 0.0012 2.154 1.080 0.9852 --- 0.243 8 0.4136 0.0052 1.838 0.444 0.9087 --- 0.555 16 0.4200 0.0258 1.339 0.235 0.8229 --- 1.251 32 0.4027 1.0050 0.964 0.391 0.9896 --- 4.786 64 0.4142 0.0047 0.623 0.402 --- 0.0129 --- 128 0.4002 0.0077 0.608 0.396 --- 0.0228 --- 256 0.4215 0.0096 0.620 0.337 --- 0.0206 ---