Commonly Used Procedures 6
Agilent Nano Indenter G200 User’s Guide 6-33
Tips which are physically flat at their apex require an area function with
a constant term. For this reason, Tip Area Constant (C) has been added
to the tip definition. When using the Tip Area Constant input, the area
function will resemble:
(1)
For example, the area function for an ideal flat-ended cylinder with
radius, a, of 20 microns will be:
A = pa
2
A = p(2000 nm)
2
A = 1.2566E
9
nm
2
Notice that all m
n
terms are zero as shown in Figure 6-47.
Figure 6-47Parameters in Configure Tip Parameters dialog box
ACm
o
d
2
m
1
dm
2
d
12
m
3
d
14
m
4
d
18
++++++=
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