Pemodelan Pengaruh Kecepatan Peluru Dan Arah Serat Komposit Terhadap Kekuatan Impak Balistik Komposit E-Glass/Isophthalic Polyester

Fahmi, Fariz Rifqi Zul (2016) Pemodelan Pengaruh Kecepatan Peluru Dan Arah Serat Komposit Terhadap Kekuatan Impak Balistik Komposit E-Glass/Isophthalic Polyester. Undergraduate thesis, Institut Teknologi Sepuluh Nopember.

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Abstract

Simulasi impak balistik dilakukan untuk mengetahui pengaruh arah serat dan kecepatan peluru terhadap kekuatan impak balistik E-glass/isophthalic polyester. Proses analisa menggunakan perangkat lunak Ansys Mechanical APDL LSDyna. Simulasi dilakukan dengan menembakkan proyektil FMJ Parabellum 9mm bermassa 6,98gr dengan kecepatan tertentu ke komposit berukuran 100x100x0,57mm dengan jumlah layer 8, 12 dan 16. Variasi dalam tugas akhir ini berupa arah serat [±45] dan [0,90] dan kecepatan peluru 300, 500 dan 800m/s. Dari hasil simulasi didapat bahwa komposit E-glass/isophthalic polyester dengan arah serat [±45] memiliki kekuatan balistik lebih tinggi berturut turut 22,32%, 16,46% & 14,55% dari pada komposit dengan arah serat [0,90] untuk tiap kecepatan 300, 500 & 800m/s. Kekuatan balistik tertinggi komposit E-glass/isophthalic polyester arah serat [±45] adalah pada kecepatan 500m/s, yang lebih besar 12.92% dan 43.81% daripada kecepatan 300m/s dan 800m/s sedangkan untuk arah serat [0.90] kecepatan 500m/s lebih besar 19% & 42.5% daripada kecepatan 300m/s dan 800m/s. Proses validasi menggunakan model Wen dan menunjukkan nilai error berkisar antara -0,94% sampai 24,2%. =========================================================================== Ballistic impact simulation carried out to determine the effect of fiber direction and speed of a bullet against ballistic impact strength E-glass / Isophthalic polyester. Software analysis process using Ansys Mechanical APDL LS-Dyna. Simulations carried out by firing projectiles 9mm Parabellum FMJ 6,98gr mass at a certain speed to size composite 100x100x0,57mm the number of layers 8, 12 and 16. Variations in this final form are the fiber direction [± 45] and [0.90] and speed bullet 300, 500 and 800m / s. From the simulation results obtained composites Eglass / Isophthalic polyester fiber direction [± 45] have a higher ballistic strength respectively 22.32%, 16.46% and 14.55% of the composite with the direction of fibers [0.90 ] for each speed of 300, 500 and 800m / s. Strength ballistic highest composite Eglass / Isophthalic polyester fiber direction [± 45] is at a speed of 500m / s, a bigger 12.92% and 43.81% than the speed of 300m / s and 800m / s while the fiber direction [0.90] the speed of 500m / s is greater 19% and 42.5% than the speed of 300m / s and 800m / s. The validation process using models Wen and demonstrate the value of error ranging from -0.94% to 24.2%.

Item Type: Thesis (Undergraduate)
Additional Information: RSMt 620.105 Fah p
Uncontrolled Keywords: isophthalic polyester, E-glass, komposit laminat, metode elemen hingga, impak balistik
Subjects: T Technology > TS Manufactures
T Technology > TS Manufactures > TS156 Quality Control. QFD
T Technology > TS Manufactures > TS167 Costs, Industrial
Divisions: Faculty of Industrial Technology > Material & Metallurgical Engineering > (S1) Undergraduate Theses
Depositing User: Users 13 not found.
Date Deposited: 06 Sep 2017 04:40
Last Modified: 26 Dec 2018 07:54
URI: http://repository.its.ac.id/id/eprint/48800

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