Rivai, Ridwan (2019) Pengaruh Berat Sekam Padi (Oryza Sativa) Pada Matriks Epoksi Terhadap Kekuatan Tarik Serta Morfologi Komposit Partikel. Diploma thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Sekam padi merupakan lapisan keras yang meliputi kariopsis yang terdiri dari dua belahan yang disebut lemma dan palea yang saling bertautan. Pada proses penggilingan beras sekam akan terpisah dari butir beras dan menjadi bahan sisa atau limbah penggilingan. Sekam dikategorikan sebagai biomassa yang dapat digunakan untuk berbagai kebutuhan seperti bahan baku industri, pakan ternak dan energi atau bahan bakar. Sekam padi dalam penggunaannya bisa dijadikan pengisi dan penguat dalam material komposit. Penelitian ini bertujuan untuk mengetahui pengaruh antara variasi berat dan matriks epoksi sekam padi (Oryza Sativa) terhadap kekuatan tarik komposit yaitu Sekam Padi, 70% Epoksi/ Sekam Padi 30%, 60% Epoksi/ Sekam Padi 40%, Epoksi 50%/ Sekam Padi 50%. Preparasi dilakukan dengan metode mixing selama 5 menit dan proses oven dengan suhu 30oC dengan masing-masing spesimen selama 45 menit. Pengujian yang dilakukan adalah pengujian tarik, SEM (Scanning Electron Microscope) serta FTIR (Fourier Transform Infrared Spectroscopy). Hasil pengujian menunjukan komposit partikel sekam padi yang mempunyai prosentase terbesar yaitu 70EP/30SP yang mempunyai kekuatan tarik sebesar 12,03 MPa. Semakin banyak epoksi adhesinya semakin meningkat serta Ikatan yang terjadi pada komposit partikel sekam padi dan epoksi yaitu alkohol.
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Rice husk is a hard layer which includes kariopsis which consists of two hemispheres called lemma and palea which are interlocked. In the process of grinding rice husk, it will separate from rice grains and become waste material or grinding waste. Husk is categorized as biomass which can be used for various needs such as industrial raw materials, animal feed and energy or fuel. Rice husks can be used as fillers and reinforcement in composite materials. This study aims to determine the effect of variation in weight and epoxy matrix of rice husk (Oryza Sativa) on composite tensile strength namely Rice Husk, 70% Epoxy / Rice Husk 30%, 60% Epoxy / Rice Husk 40%, Epoxy 50% / Rice Husk 50%. Preparation was carried out by mixing method for 5 minutes and the oven process with a temperature of 30oC with each specimen for 45 minutes. The tests are tensile testing, SEM (Scanning Electron Microscope) and FTIR (Fourier Transform Infrared Spectroscopy). The test results showed the particle composites of rice husk which had the largest percentage of 70EP / 30SP which had a tensile strength of 12.03 MPa. The more epoxy the adhesive is increasing and the bond that occurs in the composites of rice husk particles and epoxy is alcohol.
| Item Type: | Thesis (Diploma) |
|---|---|
| Additional Information: | RSMI 620.118 Riv p-1 2019 |
| Uncontrolled Keywords: | Komposit Partikel, Filler Sekam Padi (Oryza Sativa), Matriks Epoksi |
| Subjects: | T Technology > TL Motor vehicles. Aeronautics. Astronautics > TL240.5 Composite materials T Technology > TS Manufactures > TS171 Product design |
| Divisions: | Faculty of Industrial Technology > Mechanical Engineering > 21401-(D3) Diploma 3 |
| Depositing User: | RIDWAN RIVAI |
| Date Deposited: | 23 Jul 2021 06:30 |
| Last Modified: | 23 Jul 2021 06:30 |
| URI: | http://repository.its.ac.id/id/eprint/60850 |
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