Agilent Technologies Nano Indenter G200 User Manual page 315

Agilent Nano Indenter G200 User's Guide
Figure 7-10Example of an indenter
The determination of indenter area function, shown schematically in
Figure 7-11, requires the following equations:
Figure 7-11Schematic of indenter function area
S =
  
F
dP
o

  
------ - ----- -
= cos
  
dh h
o
h
max
 
P
-- -
h = h 0.75 –
 
c
S
 
A = f h
c
Theory 7



– K
s

(20)
(21)
(22)
7-18