Page 112 - Template Tesis UTM v2.0
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Where ;
- support span of the specimen (mm)
- width of the specimen (mm)
- thickness of the specimen (mm)
3
Flexural strength, = 2 2 (3.4)
3
Flexural modulus, = 4 3 (3.5)
Where ;
- maximum load (N)
- support span (mm)
- width of beam tested (mm)
- depth of beam tested (mm)
- slope of the tangent to the initial straight-line portion of the load-deflection curve
(N/mm).
3.5.3 Quasi-Static Indentation Test
The quasi-static indentation test was employed according to ASTM
D6264/6264M-12 (Standard test method for measuring the damage resistance of a
fiber-reinforced polymer-matrix composite to a concentrated quasi-static indentation
force) [127]. This kind of mechanical test has been shown to activate damage
mechanisms, similar to impact and penetration without strain rate effects as shown in
Table 3.3. In this light, the low rate allows detailed analysis on the load response to be
conducted as documented by previous literatures [46, 93, 128–131].
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