Study on Properties of Cold-Sprayed Al-Zn Coating on S135 Drill Pipe Steel

Table 3

Fitting results of several polarization parameters.

Sample	Icorr (μA)	Ecorr (V)
20% Al-Zn	52.40	−1.026
30% Al-Zn	47.80	−1.022
40% Al-Zn	42.10	−1.010
Substrate	63.70	−0.675