Microstructure Characteristics and Corrosion Resistance of Friction Stir Welded 2205 Duplex Stainless Steel

Table 3

Electrochemical corrosion parameters that resulted from analysis of Nyquist curves for specimens.

Specimen	Rs (Ω·cm^2)	Rct (Ω·cm^2)	Qdl (μF/cm^2)	n	χ^2
BM	3.6 × 10^3	2.01 × 10^6	1.02 × 10^−5	0.95	0.01708
30 mm/min	0.033 × 10^3	0.30 × 10^6	1.05 × 10^−5	0.80	0.1204
50 mm/min	0.034 × 10^3	7.71 × 10^6	0.61 × 10^−5	0.86	0.00342