A graphene sheet with thickness t= 150 nm and u= 0.185 is subjected to a nanoindentation test. Based on the result shown in the figure 2000 (9) 1500 20 1000 500 O Experiment Fitting 20 40 60 80 100 Indentation depth (nm) (Nu) peon

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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A graphene sheet with thickness t= 150 nm and u= 0.185 is subjected to a
nanoindentation test. Based on the result shown in the figure
2000 (9)
1500
20
g 1000
500
Experiment
Fitting
04
20
40
60
80
100
Indentation depth (nm)
A. Calculate the E if the indenter with square cross-section has a poison's
ratio v= 0.25 and Young's Modulus E;= 100 GPa.
B. Calculate the Hardness H.
(NU) peon
Transcribed Image Text:A graphene sheet with thickness t= 150 nm and u= 0.185 is subjected to a nanoindentation test. Based on the result shown in the figure 2000 (9) 1500 20 g 1000 500 Experiment Fitting 04 20 40 60 80 100 Indentation depth (nm) A. Calculate the E if the indenter with square cross-section has a poison's ratio v= 0.25 and Young's Modulus E;= 100 GPa. B. Calculate the Hardness H. (NU) peon
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