Page 134 - Template Tesis UTM v2.0

300

S3 2/F3/G2
G
250
S6
[G/F]3G

S7 7
G
Tensile strength (MPa) 150
200
S10
F7

100

50

0
0 0.005 0.01 0.015 0.02
Tensile strain

Figure 4.4 Comparison on the tensile stress-strain curves between E-glass/flax, E-
glass and flax laminates

4.6.3 The Effect of Reinforcement Selection on the Tensile Properties in the

Combination of E-glass with Basalt, Jute or Flax Fibres

The effects of reinforcement selection on the hybrid laminate composites of E-
glass/basalt, E-glass/jute and E-glass/flax were also compared based on the specific

tensile strength and specific tensile modulus for both sequences, as suggested by
Lopresto et al. [86]. These specific properties were determined by dividing the tensile

properties with laminate density, as shown in Table 4.3. The result shows that the E-
glass/basalt exhibits the highest specific tensile strength and modulus, followed by E-

glass/flax and E-glass/jute. This trend can also be observed on both sequences, as

depicted in Figures 4.5 and 4.6. Among the three hybrid laminates, the G2/B3/G2 has
the highest density of 1.85 g/cm3 but its tensile strength and modulus are 45.9% and

24.1% higher than G2/J3/G2 as well as higher than the G2/F3/G2 with 26.8% and 18.5%,

respectively. Furthermore, it is also observed that the density of E-glass/flax is higher
than E-glass/jute for both sequences which resulting the G2/F3/G2 exhibits higher

specific tensile strength and modulus compared to the G2/J3/G2 with the differences of

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