Open AccessKajian Pengaruh Fraksi Volume Serat Akibat Perlakuan Alkali Terhadap Ketangguhan Impak Komposit Limbah Serat Aren-Polyester
Author(s) -
Wijoyo Wijoyo,
Achmad Nurhidayat,
Catur Purnomo
Publication year - 2011
Publication title -
dinamika teknik mesin
Language(s) - English
Resource type - Journals
eISSN - 2502-1729
pISSN - 2088-088X
DOI - 10.29303/d.v1i2.116
Subject(s) - materials science , composite material , volume fraction , fiber , charpy impact test , polyester , composite number , volume (thermodynamics) , toughness , physics , quantum mechanics
The purpose of this study is to investigate the influence of fiber volume fraction of the impact strength of palm fiber-unsaturated polyester composite and investigate the mechanism of fracture caused by impact loads. This research material is palm fiber (Arenga pinnata), unsaturated polyester matrix yukalac BQTN-EX 157 type, hardener metyl etyl ketone peroxide (MEKPO), alkali solution (NaOH) and H2O. Testing with Charpy impact tester, impact test specimens prepared according to standard test ASTM D-5942. While the macro picture is used for the analysis of the fracture. The results showed that the most optimum impact toughness of palm fiber-polyester composite reached 0.011 J/mm2 on volume fraction (Vf) 40%. While the interaction characteristics of palm-fiber bond strength polyester showed matrix cracking behavior of failure on volume fraction (Vf) 10% to 30%, and fiber pull out the volume fraction (Vf) 40% and 50%, the same fracture behavior between the matrix and fibers in volume fraction (Vf) 40% indicates that fiber and matrix has a strong bonding interaction.