The Electrochemical Stability in NaCl Solution of Nanotubes and Nanochannels Elaborated on a New Ti-20Zr-5Ta-2Ag Alloy

Table 2

EIS parameters for bare Ti-20Zr-8Ta-2Ag alloy and its modified surface with nanotubes and nanochannels.

Structured Ti alloy type	Untreated	Nanochannels	Nanotubes
	0.0022	0.0046	0.0053
, ()	46	41	28
, ()	1.29 × 10^5	2.12 × 10^6	2.8 × 10^5
0 (Mho)	9.57	1.01	90.7
	0.93	0.72	0.71
()		1.49 × 10^5
0 (Mho)		0.51
		0.74
()			1.21 × 10^5
0 (Mho)			4.62
			0.89