KEKUATAN GESER INTERFACIAL DAN KETANGGUHAN KOMPOSIT BERPENGUAT SERAT LANTUNG (ARTOCARPUS ELASTICUS) TERHADAP PELAT LOGAM

As it is known that metal materials have a high conductivity value, when
used in a high temperature working environment, it becomes an obstacle if the
metal is in direct contact with the operator, therefore the metal is coated with an
insulating material such as a composite. In this study, composites were combined
with metal to determine the ability of the resin to adhere to metal and the
toughness of the composite and metal combination.
The materials used are lantung fiber, glass fiber, resin vinylester, copper,
ST 37 steel, and aluminum. In the impact test with variations without coating and
with a layer, for the metal that is given a coating consists of lantung, lantung glas
lantung, glass lantung glass, and glass. The process of coating metal with
composites uses a hand lay-up technique. The tests carried out include testing the
interfacial shear strength (IFSS) and impact testing. The impact test standard
used is ASTM E 23. The test is carried out at the Bengkulu University Materials
lab
The results showed that steel combined with composites had the highest
toughness and interfacial shear strength compared to other metals. The highest
toughness value was obtained in the combination of steel with glass fiber
reinforced composite of 0.30 kJ/m2. The highest value of shear strength was
obtained in the combination of steel with glass fiber composite of 0.663 MPa.
From these data, steel coated with glass composite is recommended because it
has high adhesion.
Keywords : composite, Interfacial sheer strength(IFSS), Lantung Fiber