Anodic Fabrication of Ti-Nb-Zr-O Nanotube Arrays

Table 2

EDS analysis of the Ti-Nb-Zr-O nanotubes grown on different Ti-Nb-Zr alloy substrates at 40 V with a constant frequency of 4000 Hz and duty cycle of 20% for 90 minutes.

Samples	Ti (wt%)/(at%)	O (wt%)/(at%)	Nb (wt%)/(at%)	Zr (wt%)/(at%)
Ti35Nb5Zr	28.94/16.05	46.27/76.84	21.54/6.16	3.25/0.95
Ti35Nb10Zr	28.25/16.13	44.30/75.75	21.00/6.19	6.45/1.94
Ti35Nb15Zr	26.25/15.58	42.92/74.66	21.89/6.70	9.85/3.07