Biomedical Engineering Reference
In-Depth Information
80
(a)
Nitrogen
Oxygen
Titanium
Nickel
70
60
50
40
30
20
10
0
0
50
100
150
200
Depth (nm)
80
(b)
Carbon
Oxygen
Titanium
Nickel
70
60
50
40
30
20
10
0
0
50
100
150
200
Depth (nm)
80
(
c
)
Oxygen
Titanium
Nickel
70
60
50
40
30
20
10
0
0
50
100
150
200
250
200
Depth (nm)
FIGURE 19.25
Depth profi le of NiTi alloy after nitrogen (a), acetylene (b), and oxygen (c) PIII treatments.
(From Yeung, K.W.K. et al.,
J. Biomed. Mater. Res.
,
75A, 256, 2005. With permission.)
