CD Skripsi
Pembuatan Komposit Serat Batang Pisang Kepok Bermatriks Polyester Dengan Metode Vacuum Bagging
ABSTRACT
Various types of bananas with good quality thrive in various regions in Riau.
Banana fiber has good potential to be developed as an engineering material by
engineering composite materials. Fiber processing is treated in the form of an
alkaline treatment using 5% NaOH for 2 hours, this treatment is carried out to
increase the bond between the matrix and the filler. Composite production using
kepok banana stem fiber was carried out using the vacuum bagging method. The
fiber was heated with temperature variations of 70 ° C, 80 ° C and 90 ° C and time
of 2, 3 and 4 hours, then the fiber was extracted with a length of 30 cm. The
composite fiber arrangement is continuous. To determine the experimental design
and variables that have a significant effect on tensile strength, flexural strength and
impact resistance, the statistical method Response Surface Methodology (RSM) is
used. The results showed that the increased tensile strength was significantly
influenced by the volume fraction of banana fiber, temperature and heating time of
the fiber. The highest tensile strength value of 89.855 MPa and the highest flexural
strength value of 327.76 MPa were obtained at a volume fraction of 38% banana
fiber, heating temperature 70 ° C and heating time of 4 hours. The highest impact
resistance value of 2.56 J was obtained at a volume fraction of 28% banana fiber,
heating temperature of 70 ° C and heating time of 2 hours.
Keywords: Banana Fiber, NaOH, Response Surface Methodology, Vacuum
Bagging.
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