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Advances in Materials Science and Engineering
Volume 2016, Article ID 9240416, 5 pages
Research Article

Effect of Sugar Palm Fiber Surface on Interfacial Bonding with Natural Sago Matrix

1Department of Mechanical Engineering, Universitas Muslim Indonesia, Makassar, Indonesia
2Department of Mechanical Engineering, Brawijaya University, Malang, Indonesia

Received 13 August 2016; Revised 11 October 2016; Accepted 30 October 2016

Academic Editor: Gianluca Cicala

Copyright © 2016 H. Mardin et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Palm fibers were immersed in sea water for 1, 2, 3, and 4 weeks prior to application as reinforcement of green biocomposite. Instead of common resin matrix, natural sago starch was applied as the matrix compound. The immersion treatments had significantly affected fibers surface morphology and interfacial bonds of fiber and the matrix as observed through Scanning Electron Microscopy (SEM). The quality of interfacial bonds became higher by additional duration of the sea water immersion. The best interlocking surfaces of fibers and matrix appeared in the composite with 4-week immersed fibers, indicated by disappearance of gaps between fiber and matrix. The morphology of fibers surface interlocking process was clearly seen during the duration of immersion.