Tugas Akhir Mesin
Kekuatan Luluh Tekan Komposit Partikel Berfiller Hybrid Fly Ash Dan Caco3 Dalam Keadaan Lingkungan Kering Dan Basah.
Epoxy is a brittle thermoset polymer and is able to withstand heat that evaporates in water and has advantages such as good mechanical properties, good adhesion and low shrinkage. However, mechanical properties can still be improved by adding other materials as modifiers that are correct to certain properties to maintain mechanical properties in a material in a wet environment. For this reason, a study is needed to examine the effect of water absorption on epoxy as an adhesive. This study uses filler composition (fly ash and CaCO3), epoxy resin and epoxy hardener. The filler weight fraction is made constant 20% with a ratio (fly ash: CaCO3) (20%: 0%), (15%: 5%), (10%: 10%), (5%: 15%), (0% : 20). The test carried out is the compressive strength of the press in a dry and wet environment. The results showed that in dry and wet environmental conditions at 1309 hours and 5009 hours, the highest equilibrium levels were specimens with compositions without filler and the lowest in the composition of hybrid filler fly ash 20% CaCO3 0%, the highest compressive yield strength was with composition of hybrid filler fly ash 5% CaCO3 15% dry condition and the lowest in the specimen without filler wet condition
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