KARAKTERISTIK MEKANIK KOMPOSIT HIBRIDA SERAT DAUN NANAS DAN E-GLASS SEBAGAI ALTERNATIF LAMBUNG KAPAL

Mohammad Arbeel Falaah Nazhif, . (2026) KARAKTERISTIK MEKANIK KOMPOSIT HIBRIDA SERAT DAUN NANAS DAN E-GLASS SEBAGAI ALTERNATIF LAMBUNG KAPAL. Skripsi thesis, Universitas Pembangunan Nasional Veteran Jakarta.

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Abstract

This study evaluates the mechanical characteristics of a hybrid sandwich composite utilizing pineapple leaf fiber (PALF) core and E-Glass fiberglass skin, with an epoxy matrix modified by 1 gram Aerosil. Alkali treatment used NaOH variations of 0%, 5%, 10%, and 15% (2-hour immersion). Specimens were fabricated via hand lay-up and subjected to tensile (ASTM D3039) and flexural (ASTM D7264) tests. Tensile results showed a bell-shaped curve, where the highest Ultimate Tensile Strength (UTS) was achieved by 10% NaOH at 77.33 MPa due to optimal delignification. Conversely, 15% NaOH dropped UTS to 34.00 MPa due to microfibril degradation. In flexural testing, 0% NaOH yielded the highest Ultimate Flexural Strength (UFS) of 115.00 MPa, dominated by the outer E-Glass layers. Based on Bureau Classification of Indonesia (BKI) Rules (minimum Rz 43.12 MPa), only the 10% NaOH composite satisfies safety criteria for alternative boat hulls. Keywords: Hybrid composite, pineapple leaf fiber, E-Glass, NaOH, mechanical characteristics, BKI.

Item Type: Thesis (Skripsi)
Additional Information: No.Panggil: 2210313048 Pembimbing: Ir. Amir Marasabessy. M.T. Penguji 1: Purwo Joko Suranto, S.T., M.T. Penguji 2: Dr. Wiwin Sulistyawati, S.T., M.T.
Uncontrolled Keywords: Hybrid composite, pineapple leaf fiber, E-Glass, NaOH, mechanical characteristics, BKI.
Subjects: V Naval Science > VM Naval architecture. Shipbuilding. Marine engineering
Divisions: Fakultas Teknik > Program Studi Teknik Perkapalan (S1)
Depositing User: MOHAMMAD ARBEEL FALAAH NAZHIF
Date Deposited: 27 Aug 2026 02:58
Last Modified: 27 Aug 2026 02:58
URI: http://repository.upnvj.ac.id/id/eprint/52521

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