3500
(b)
3000
2500
Force (N) 2000
1500
1000
500
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5
Displacement (mm)
4000
(c)
3500
3000
2500
Force (N) 2000
1500
1000
500
0
0 1 2 3 4 5 6
Displacement (mm)
Figure 4.22 Force disp. curves of ; (a) G2/B3/G2, (b) G2/J3/G2, and (c) G2/F3/G2
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