Dwiyanti, Siska (2021) Analisis Pengaruh Partikel Silicon Carbide Terhadap Sifat Mekanik Dan Morfologi Pada Komposit Hibrida Unsaturated Polyester/Vinyl Ester/ Twill Weave Carbon Fiber Untuk Aplikasi Material Anti Peluru (Body Armor). Undergraduate thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Body armor terbuat dari material logam yang memilki kekuatan tinggi dan densitas tinggi. Sehingga, dikembangkan material densitas rendah yaitu material komposit polimer. Polimer blend unsaturated polyester/vinyl ester (UP/VE) memiliki kekuatan tinggi dan densitas rendah. Serat karbon (CF) memiliki kekuatan tinggi dan cocok sebagai penguat komposit polimer. Komposit serat karbon memiliki kekuatan yang tinggi. Namun, kekuatan komposit serat karbon dapat ditingkatkan dengan penambahan penguat partikel. Partikel SiC memiliki kekuatan dan kekerasan tinggi. Study ini mempelajari pengaruh partikel SiC pada komposit UP/VE/CF/SiC dengan variasi SiC 0, 4, 8, 12 dan 16 %berat. Sifat mekanik dan morfologi material komposit UP/VE/CF/SiC dipelajari melalui pengujian SEM, FTIR, tarik, kekerasan, densitas dan uji tembak. Hasil pengujian menunjukkan bahwa SiC mempengaruhi sifat mekanik dan morfologi. SiC meningkatkan sifat mekanik. Hasil optimum pada penambahan 12% SiC dengan kekuatan tarik 323,08 MPa, modulus young 3,91 GPa, elongasi 14,47%, kekerasan 86,3 shore d, dan densitas 1,50 gr/cm3. Pada uji tembak kedalaman penetrasi peluru 4,3 mm. Komposit UP/VE/CF/SiC 12% memenuhi standar uji tembak NIJ Level II-A.
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Body armor has made of metal material that has high strength and high density. So that, a low-density material has developed, namely a polymer composite material. The blend polymer of unsaturated polyester/vinyl ester (UP/VE) has high strength and low density. Carbon fiber (CF) has high strength and is suitable as a reinforcement for polymer composites. Carbon fiber composites have high strength. However, the strength of carbon fiber composites can be increased by the addition of particle reinforcement. SiC particles have high strength and hardness This study studied the effect of SiC particles on UP/VE/CF/SiC composites with variations of SiC 0, 4, 8, 12, and 16% wt. The hybrid composites material was characterized by SEM, FTIR, tensile testing, hardness testing, density testing, and ballistic testing. The test results showed that the presence of SiC affects the morphology, bonding, and mechanical properties. Silicon carbide improves mechanical properties. Optimum result was the addition of 12% with tensile strength 323,08 MPa ,young’s modulus 3,91 GPa,elongation 14,47%,hardness 86,3 shore d,and density 1,50 gr/cm3. In the ballistic test, the penetration depth of the bullet was 4.3 mm. The composite UP/VE/CF/SiC 12% fulfilled the standard NIJ Level II-A ballistic test for body armor.
| Item Type: | Thesis (Undergraduate) |
|---|---|
| Uncontrolled Keywords: | Body armor, komposit hibrida, polyester, serat karbon, silicon carbide, vinylester, Body armor, hybrid composite, polyester, carbon fiber, silicon carbide, vinylester. |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) > TA418.9 Composite materials. Laminated materials. |
| Divisions: | Faculty of Industrial Technology > Material & Metallurgical Engineering > 28201-(S1) Undergraduate Thesis |
| Depositing User: | Siska Dwiyanti |
| Date Deposited: | 12 Aug 2021 06:20 |
| Last Modified: | 12 Aug 2021 06:20 |
| URI: | http://repository.its.ac.id/id/eprint/85541 |
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