Study on Synergies of Fly Ash with Multiwall Carbon Nanotubes in Manufacturing Fire Retardant Epoxy Nanocomposite
Table 3
Optimum mechanical properties of epoxy/fly ash/MWNT nanocomposites from fine tuning experiments.
Trial
Sample code
Fly ash content (wt%)
MWCNTs content (wt%)
Tensile strength (MPa)
Flexural strength (MPa)
Compressive strength (MPa)
Impact strength (kJ/m2)
1
Epoxy
0.00
0.00
55.90
86.75
156.08
7.11
2
FA01
0.00
0.03
65.89
91.37
189.39
10.07
3
FA02
30
0.00
39.47
60.08
165.12
5.90
4
FAST1
30
0.03
52.50
77.09
170.00
6.50
5
FAST2
40
0.03
50.04
72.10
173.25
7.90
6
FAST3
50
0.03
44.44
68.25
175.05
8.80
7
FAST4
30
0.04
59.03
78.55
188.89
10.75
8
FAST5
40
0.04
58.79
79.39
225.09
16.09
9
FAST6
50
0.04
47.02
71.19
220.21
14.68
10
FAST7
30
0.05
56.15
76.97
218.09
14.87
11
FAST8
40
0.05
54.12
73.60
223.09
16.37
12
FAST9
50
0.05
49.60
71.77
229.88
15.76
The bold values indicate that at the fabrication rate of 40 percent by weight of fly ash combined with 0.04 percent by weight of MWCNTs, the mechanical properties of the material are improved more than the others.
