Biomedical Engineering Reference
In-Depth Information
Dentine from
human wisdom
teeth
Diamond
particles still intact
20 kV
X3,500
5
ยต
m
on surface
FIGURE 15.30
SEM micrograph of diamond-coated dental bur at a cutting
speed of 250,000 rpm.
35
30
25
20
15
10
5
0
1
2
3
4
5
6
7
Cutting time (min)
Uncoated bur
Sintered diamond bur
HFCVD diamond bur
FIGURE 15.31
Flank wear of burs machining borosilicate glass.
