Taqillah, Ridho (2022) Analisis Pengaruh Orientasi Sudut Serat Dan Ketebalan Pada Komposit Serat Sisal/Epoxy Dan Palem/Epoxy Terhadap Kekuatan Statik Running Blade Prosthetic Menggunakan Metode Elemen Hingga. Other thesis, Institut Teknologi Sepuluh Nopember.
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Abstract
Running blade prosthetic adalah salah satu teknologi alat bantu buatan berbentuk bagian kaki yang dapat membantu penyandang disabilitas melakukan berbagai aktivitas olahraga seperti berlari. Untuk itu, diciptakan running blade prosthetic yang kuat dengan menggunakan material komposit. Jenis material komposit yang digunakan pada penelitian ini adalah jenis komposit alam. Komposit alam yang digunakan pada penelitian ini adalah campuran antara serat sisal dan serat palem dengan matriks resin epoxy. Kekuatan komposit dapat dipengaruhi arah orientasi pada serat komposit dan ketebalan pada plat. Sehingga pada penelitian ini dilakukan analisis terhadap variasi orientasi sudut serat dan ketebalan pada komposit menggunakan software Ansys dengan metode elemen hingga. Terdapat beberapa variasi pada analisis yang dilakukan terhadap orientasi sudut serat. Variasi arah orientasi serat berupa [0°], [0°/90°], [45°/-45°], [0°/90°/45°/-45°], dan [0°/45°/-45°/0°]. Pada penelitian ini, terdapat dua jenis pengujian yang dibedakan sesuai standar ISO 10328 diantara adalah midstance dan forefoot. Pembebanan pada penelitian ini menggunakan tiga level pembebanan yaitu1610 N untuk berat badan 60 kg, 2065 N untuk berat badan 80 kg dan 2240 N untuk berat badan 100 kg. Hasil penelitian ini diperoleh kombinasi sudut orientasi terbaik yang berada pada kombinasi [45°/−45°]20 pada ketebalan 35 mm dengan jenis pengujian midstance dan forefoot yang menghasilkan nilai safety factor tergolong aman dan menjadikan desain running blade prosthetic menjadi kuat dan aman. Kemudian dilakukan penambahan level pembebanan dari ketebalan 35 mm dan 40 mm terhadap
level pembebanan 2065 N dan 2240 N. Hasil dari level pembebanan tersebut yaitu ketebalan 35 mm dapat dinyatakan aman pada pembebanan 1610 N, sedangkan ketebalan 40 mm dapat dinyatakan aman sampai pada level pembebanan 2240 N. Setelah kedua material dibandingkan, material sisal/epoxy lebih unggul dibandingkan material palem/epoxy karena material sisal/epoxy memiliki nilai safety factor/keamanan yang lebih tinggi dan tegangan maksimum yang lebih rendah dibanding dengan material palem/epoxy.
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Running blade prosthetic is one of the artificial assistive device technologies in the form of legs that can help people with disabilities perform various sports activities such as running. For this reason, a strong prosthetic running blade was created using composite materials. The type of composite material used in this study is natural composite. The natural composite used in this study is a mixture of sisal fiber and palm fiber with an epoxy resin matrix. The strength of the composite can be influenced by the orientation of the composite fiber and the thickness of the plate. Therefore, in this study, an analysis of variations in fiber angle orientation and thickness of the composite is carried out using Ansys software with finite element method. There are several variations in the analysis performed on the angular orientation of the fibers. Variations in the fiber orientation direction are [0°], [0°/90°], [45°/-45°], [0°/90°/45°/-45°], and [0°/45°/ -45°/0°]. In this study, there are two types of tests that are distinguished according to the ISO 10328 standard, namely midstance and forefoot. The loading in this study used three levels of
loading, namely 1610 N for 60 kg body weight, 2065 N for 80 kg body weight and 2240 N for 100 kg body weight. The results of this study obtained the best combination of orientation angles which were in the combination of [45°/-45°]20 at a thickness of 35 mm with the midstance and forefoot testing types which resulted in a safety factor value that was classified as safe and made the prosthetic running blade design strong and safe. Then the loading level was added from a thickness of 35 mm and 40 mm to the loading level of 2065 N and 2240 N. The results of the loading level, namely a thickness of 35 mm can be declared safe at a loading of 1610 N, while a thickness of 40 mm can be declared safe up to a loading level of 2240 N. After both materials have been compared, the result shows that the sisal/epoxy materials have more advantage compared to the palm/epoxy material, due to the safety factor of sisal/epoxy material that is higher and lower maximum stress than the palm/epoxy material.
| Item Type: | Thesis (Other) |
|---|---|
| Additional Information: | RSM 620.118 Taq a-1 2022 |
| Uncontrolled Keywords: | Running Blade Prosthetic, sisal/epoxy, palem/epoxy, metode elemen hingga, arah orientasi serat, palm/epoxy, finite element method, fiber orientation direction |
| Subjects: | T Technology > TL Motor vehicles. Aeronautics. Astronautics > TL240.5 Composite materials |
| Divisions: | Faculty of Industrial Technology and Systems Engineering (INDSYS) > Mechanical Engineering > 21201-(S1) Undergraduate Thesis |
| Depositing User: | Mr. Marsudiyana - |
| Date Deposited: | 25 Feb 2025 03:27 |
| Last Modified: | 25 Feb 2025 03:27 |
| URI: | http://repository.its.ac.id/id/eprint/118873 |
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