Effect of fibre orientation on the mechanical properties of sandwich composite material
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Date
2018-06
Authors
Mukhlisin Aminuddin
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Abstract
In composites manufacturing process, fibre orientation of the composites is one of the
most important factor in composites manufacturing that needs to be taken account into
as any misalign angle present in the fibre lay-up could lead to the decrease of the
composites mechanical performances. The properties of the sandwich composites
materials can be affected by every aspect especially during the manufacturing process of
the composite. This study shows the effect of fibre orientation on the mechanical
properties of a sandwich composite material. The manufacturing process used to
manufacture the composites is a wet hand lay-up process. The orientation of the glass
fibre is set to 0°, 9° and 15°. The effect of the fibre orientation is analysed by performing
the mechanical test on the composites. Test to be performed is set to be compression test
and bending test. Theoretical results shows that the mechanical performance of the
composite decrease as the offset angle of the glass fibre increases. Several specimens
with different fibre orientation is manufacture to analyse and proof the theoretical results
and the analysis shows that each fibre offset angle can affect the mechanical performance
of the sandwich composite. Therefore, it can concluded that fibre orientation
significantly effects the performances of the sandwich composites as even a small
misalign angle could lead to a significant decrease of the composites mechanical
performance.