Electrochemical Study of Ni20Cr Coatings Applied by HVOF Process in ZnCl₂-KCl at High Temperatures

Table 1

Electrochemical parameters of potentiodynamic polarization tests.

Materials		(mV)			(mA/cm^2)
304 SS	350°C	−202	137	174	0.39
	400°C	−77	300	277	2.03
	450°C	−141	188	118	1.89
As-deposited coating	350°C	−418	296	182	4.23
	400°C	−227	444	219	9.16
	450°C	−306	698	300	36.19
Grinded coating	350°C	−35	600	565	0.24
	400°C	−282	403	177	6.13
	450°C	−302	638	292	28.45