Page 14 - 3D Fibre Reinforced Polymer Composites

Introduction 3
and for this reason 2D laminates can not be used in structures supporting high through-
thickness or interlaminar shear loads.

125 -

100 -

75 -

W 50 -
-
.-
cn
c
W
I- 25 -
6 GPa
0- + L
CarbodEpoxy E-glass/Epoxy Kevlar/Epoxy

1400 r In-Plane Property
0 Through-Thickness Property
- 1240 MPa 1240 MPa
1200
2 1000-
2
v -
5 800
cn
c
; 000-
W -
'5 400 -
S
200:
0- + +
CarbonIEpoxy E-glass/Epoxy Kevlar/Epoxy

Figure 1.2 Comparison of in-plane and through-thickness mechanical properties of
some engineering composites.