Electrochemical and Oxidation Behavior of Yttria Stabilized Zirconia Coating on Zircaloy-4 Synthesized via Sol-Gel Process

Table 2

The electrochemical parameters of coated and uncoated samples for different sintering temperature.

Sintering temp. (°C)	𝑖corr (A⋅cm^−2)	𝐸corr (V)	𝛽𝑎 (V/dec)	𝛽𝑐 (V/dec)	𝑅𝑝 (ohm⋅cm^2)	Corr. rate (mm⋅yr^−1)
Bare	9.80𝐸−07	−0.41	0.035	0.05	1.60𝐸+3	7.35𝐸−3
200	2.47𝐸−07	−0.44	0.070	0.03	2.62𝐸+3	2.91𝐸−3
400	1.21𝐸−10	−0.05	0.050	0.04	7.49𝐸+6	7.20𝐸−8
700	9.76𝐸−11	0.21	0.035	0.05	9.33𝐸+7	6.68𝐸−8