Effect of Induced Charge on the Passivity and Passivity Breakdown of 304LN Stainless Steels

Table 6

EIS data in 0.2N KCl solution.

Samples	𝑅𝑃 values	𝑅𝑢 values	𝑌𝑜	Alpha	Model type
Below pitting potential without charge	4.372e3	2.671	2.48.5e−6	678.7e−3	CPE
Below pitting potential with positive charge	5.103e3	2.499	345.1e−6	662.8e−3	CPE
Below pitting potential with negative charge	2.926e3	2.425	371.7e−6	643.0e−3	CPE
Above pitting potential without charge	1.553e3	2.493	434.9e−6	623.8e−3	CPE
Above pitting potential with positive charge	6.808e3	572.6e−3	325.5e−6	652.3e−3	CPE
Below pitting potential with negative charge	888.8	2.838	648.2e−6	561.6e3	CPE