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All Journal Jurnal Teknik ITS IPTEK Journal of Proceedings Series INOVTEK POLBENG Jurnal Techno Bahari Proceeding Applied Business and Engineering Conference
Siswandi B
Politeknik Negeri Bengkalis
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Journal : INOVTEK POLBENG

 1 
ANALISA PRIORITAS KENDALA PENGGUNAAN BAHAN FIBERGLASS BAGI NELAYAN PULAU BENGKALIS Siswandi B
INOVTEK POLBENG Vol 10, No 1 (2020): INOVTEK VOL. 10 N0 1
Publisher : POLITEKNIK NEGERI BENGKALIS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (474.834 KB) | DOI: 10.35314/ip.v10i1.1316

Abstract

For residents who live in coastal areas, most of them are engaged in traditional vessels which are generally made of wood. over time wood materials are increasingly difficult to obtain. Most of the Bengkalis people have known about fiberglass material as an alternative for construction of vessels, but the application of fiberglass material is only a small while other fishermen still use wood as their shipbuilding material. Based on these matters, it is necessary to evaluate and analyze related to the interests and constraints of Bengkalis fishermen on fiberglass material as a substitute for wood materials in shipbuilding. by distributing questionnaires to the fishing community and analyzing by using AHP (Analythic Hierarchy Process), the priority constraints that become problems for the fishing community of Bengkalis island are "cost of building fiberglass vessels" with a value 30% and the next problem is "availability of materials fiberglass "with a value 12%.
PENGARUH SUDUT PAHAT PADA PENGGURDIAN KOMPOSIT SERAT DAUN NANAS / TERMOPLASTIK PADA PEMBENTUKAN DELAMINASI Zulkarnain Zulkarnain; Ismet Hari Mulyadi; Jupri Jupri; Siswandi B
Jurnal Inovtek Polbeng Vol 13, No 1 (2023): Inovtek VOL. 13 NO 1 2023
Publisher : POLITEKNIK NEGERI BENGKALIS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35314/ip.v13i1.3325

Abstract

This study aims to determine the effect of the Gurdi tool angle on delamination in composite laminates in the formation of delaminations. The spacing of the selected reinforcing fibers was 2.4 and 6 mm in a composite laminate of ethylene vinyl acetate (EVA) polymer matrix with reinforcing fibers from pineapple leaves. The method used in composite fabrication is hand lay-up, namely by direct casting on three layers of fiber that has been woven and tied to the sides of the mold. For cutting speed, Vf 72 mm / min, using a chisel with a diameter of 8 mm with a tool angle of 70o and 118o. Delamination was determined using the Feda method. The delamination sections were observed using a digital microscope and then processed using AutoCAD to measure Dmax and Ad. The delamination ratio in the top hole for the tool diameter of 8mm with a 70° angle at the variation of the distance of 2 mm, 4 mm and 6 mm were 1.268, 1.224 and 1.192 for the bottom hole were 1.078, 1.042 and 1.029, respectively. Meanwhile, the ratio of delamination in the upper hole for a tool diameter of 8mm with an angle of 118° at a distance variation of 2mm, 4mm and 6mm were 1.194, 1.194, 1.158 for the bottom hole, respectively, 1.046, 1.042 and 1.038.
PENGARUH SUDUT PAHAT PADA PENGGURDIAN KOMPOSIT SERAT DAUN NANAS / TERMOPLASTIK PADA PEMBENTUKAN DELAMINASI Zulkarnain Zulkarnain; Ismet Hari Mulyadi; Jupri Jupri; Siswandi B
INOVTEK POLBENG Vol 13, No 1 (2023): Inovtek VOL. 13 NO 1 2023
Publisher : POLITEKNIK NEGERI BENGKALIS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35314/ip.v13i1.3325

Abstract

This study aims to determine the effect of the Gurdi tool angle on delamination in composite laminates in the formation of delaminations. The spacing of the selected reinforcing fibers was 2.4 and 6 mm in a composite laminate of ethylene vinyl acetate (EVA) polymer matrix with reinforcing fibers from pineapple leaves. The method used in composite fabrication is hand lay-up, namely by direct casting on three layers of fiber that has been woven and tied to the sides of the mold. For cutting speed, Vf 72 mm / min, using a chisel with a diameter of 8 mm with a tool angle of 70o and 118o. Delamination was determined using the Feda method. The delamination sections were observed using a digital microscope and then processed using AutoCAD to measure Dmax and Ad. The delamination ratio in the top hole for the tool diameter of 8mm with a 70° angle at the variation of the distance of 2 mm, 4 mm and 6 mm were 1.268, 1.224 and 1.192 for the bottom hole were 1.078, 1.042 and 1.029, respectively. Meanwhile, the ratio of delamination in the upper hole for a tool diameter of 8mm with an angle of 118° at a distance variation of 2mm, 4mm and 6mm were 1.194, 1.194, 1.158 for the bottom hole, respectively, 1.046, 1.042 and 1.038.
Co-Authors Aryawan, Wasis Dwi H. Agoes Santoso Ismet Hari Mulyadi Jupri Muhammad Sidik Purwoko Tony Bambang Musriyadi Zulkarnain Zulkarnain