[Retracted] Electrochemical Studies of WC-Flyash HVOF Coating Interface on SA209-T1 Steel under 3.5 NaCl Solution

Table 2

Thickness of scale (average) and porosity of coverings.

Sl. no.	Depletion	Kp (10^−10g^2·cm^−4·s^−1)	Thickness of scale (average) (μm)	Porosity (%)
1	Uncovered SA209-T1	6860.8	950	—
2	WC-flyash-coated	1515.3	850	1.35–1.5