SALAFUDDIN, HAFIDZ (2026) ANALISIS KEKUATAN BUMPER KENDARAAN TIPE MPV BERBAHAN KOMPOSIT SABUT KELAPA EPOKSI TERHADAP BEBAN STATIS. S2 thesis, Universitas Mercu Buana Jakarta.
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Abstract
The increasing demand for lightweight and safe automotive components has driven the use of natural fiber composites as an alternative material for vehicle bumpers. This study analyzes the structural strength of MPV bumpers made of coconut fiberepoxy composites against an equivalent static load of 10.693 N in accordance with ECE Regulation No. 42. This study uses an experimental and numerical approach through the manufacture of composite specimens, tensile testing to obtain material strength, and CAE simulation based on Finite Element Analysis (FEA) on the bumper model. The tensile test results showed variations in maximum tensile strength (Rm), with the highest value of 12.91 MPa in the s0.6 60% B specimen and the lowest value of 3.43 MPa in the s1.4 60% B specimen. The simulation showed a maximum Von Mises Stress of 35.37 MPa, a maximum Displacement of 0.05191 mm, and a minimum safety factor of 3.68 and a maximum of 15, indicating that the bumper structure was safe with minimal deformation. The results of this study prove that coconut fiber–epoxy composite bumpers meet structural strength criteria and have the potential to be developed as lightweight and environmentally friendly MPV bumpers. Keywords: bumper, coconut fiber, epoxy, MPV. Peningkatan kebutuhan komponen otomotif yang ringan dan aman mendorong pemanfaatan komposit serat alam sebagai alternatif material bumper kendaraan. Penelitian ini menganalisis kekuatan struktural bumper MPV berbahan komposit sabut kelapa epoksi terhadap beban statis ekuivalen sesuai standar ECE Regulation No. 42. Penelitian ini menggunakan pendekatan eksperimental dan numerik melalui pembuatan spesimen komposit, pengujian tarik untuk memperoleh kekuatan material, serta simulasi CAE berbasis Finite Element Analysis (FEA) pada model bumper. Hasil uji tarik menunjukkan variasi kekuatan tarik maksimum (Rm), dengan nilai tertinggi sebesar 12,91 MPa pada spesimen s0,6 60% B dan nilai terendah sebesar 3,43 MPa pada spesimen s1,4 60% B. Simulasi menunjukkan tegangan Von Mises maksimum sebesar 35,37 MPa, Displacement maksimum sebesar 0,05191 mm, serta safety factor minimum sebesar 3,68 dan maksimum 15, sehingga struktur bumper berada dalam kondisi aman dengan deformasi yang kecil. Hasil penelitian ini membuktikan bahwa bumper komposit sabut kelapa epoksi memenuhi kriteria kekuatan struktural dan berpotensi dikembangkan sebagai bumper MPV yang ringan serta ramah lingkungan. Kata Kunci : bumper, epoksi, kelapa, MPV, sabut.
| Item Type: | Thesis (S2) |
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| NIM/NIDN Creators: | 55823120005 |
| Uncontrolled Keywords: | bumper, epoksi, kelapa, MPV, sabut. |
| Subjects: | 600 Technology/Teknologi > 620 Engineering and Applied Operations/Ilmu Teknik dan operasi Terapan > 621 Applied Physics/Fisika terapan > 621.8 Machine Engineering, Machinery/Teknik Mesin 600 Technology/Teknologi > 660 Chemical Engineering and Related Technologies/Teknologi Kimia dan Ilmu yang Berkaitan > 668 Technology of Other Organic Products/Teknologi Produk Organik Lainnya > 668.4 Plastics/Teknologi Plastik |
| Divisions: | Pascasarjana > Magister Teknik Mesin |
| Depositing User: | khalimah |
| Date Deposited: | 30 Mar 2026 01:53 |
| Last Modified: | 30 Mar 2026 01:53 |
| URI: | http://repository.mercubuana.ac.id/id/eprint/101773 |
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