Abstract :
The development of the industrial world today causes the need for materials to
increase, especially for a product. The use of metal materials in various product
components is decreasing. This is caused by the heavy components made of metal,
the forming process is relatively difficult, can experience corrosion and high
production costs, therefore many other materials have been developed which have
properties that match the characteristics of the desired metal material. One of the
most developed materials today is composites.
Utilization of natural fiber (banana frond fiber) as a composite fiber
reinforcement material will have a very important meaning, namely in the field of
utilization of banana plant waste in Indonesia which has not been sufficiently
optimized from the economic field and the utilization of processed products. So
from these considerations a study was conducted to obtain an analysis of the
bending strength of banana fiber composites with a ratio of 3% fiber: 97% resin,
5% fiber and 95% resin, 7% fiber and 93 resin using unidirectional variations.
Bending test using composite specimens in accordance with ASTM D790 size
standards.
Bending test among the 3 specimens, specimen A or 7% fiber had the highest
yield among the third fiber, namely 14,201 kgf because of the large number of fibers
used, while specimen C or 3% fiber had a lower yield, namely 6,684 kgf among the
three fibers because less fiber used.