Tugas Akhir Mesin
KETAHANAN TERMAL KOMPOSIT SERAT KULIT JAGUNG-POLYESTER
Composite is a combination of more than one type of material and is
designed to get the best combination of characteristics from each of its
constituent components. Therefore making corn fiber composites using
polyester resin is one way to understand new properties in new
materials. The purpose of this study was to study the thermal resistance
and physical properties of corn husk fiber composites at various fiber
volume fractions.
Composite reinforced with corn husk fiber with polyester matrix
with fiber volume fraction of 20%, 30% 40%, 50% and 60%. Furthermore,
composites printed in accordance with ASTM D265 standard to carry out
thermal resistance tests and physical properties of corn husk fiber
composites were carried out using differential scanning calorymetry
(DSC), fourier transfer infrared (FT-IR) and thermo gravimetric (TGA)
methods. Thermal testing was carried out to determine the thermal
resistance of the composites by adding volume fractions of corn husk
fiber and polyester resin.
From the results of Differential Scanning Calorimetry (DSC)
testing from each percentage percentage of volume fraction which is
strengthened by corn husk fiber, the highest heat absorption value
occurs in the volume of corn husk fiber 30%. The results of the
Thermogravimetric analysis (TGA) test found that all specimens
experienced a mass reduction after testing all volume fractions of mass
loss from 73% to 90% of the initial weight. Whereas for FTIR testing the
addition of volume fraction has no effect because FTIR only tests the
element compounds present in the composite.
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