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All Journal JiTEKH (Jurnal Ilmiah Teknologi Harapan) Jurnal SImetri Rekayasa
Muhammad Arifin
Prodi Teknik Mesin, Fakultas Teknik dan Komputer, Universitas Harapan Medan
Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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PENGGUNAAN OLI BEKAS SEBAGAI BAHAN TAMBAH TERHADAP KARAKTERISTIK MARSHALL PADA DAUR ULANG OLI BEKAS Fadly Ahmad Kurniawan Nasution; Muhammad Arifin
Jurnal Simetri Rekayasa Vol 1 No 2 (2019): Edisi November
Publisher : Universitas Harapan Medan

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Abstract

This study aims to analyze the mechanical properties of areca nut fiber reinforced composites using static bending testing methods. Areca nut fiber reinforced composites are materials that show potential as an attractive alternative in engineering applications and natural fiber-based materials. Static bending testing methods are used to evaluate the modulus of elasticity, tensile strength, flexural strength, and ductility of composites. At the sample preparation stage, areca nut fibers are well arranged in a resin matrix to form a composite sample. The test is performed by applying a load on the midpoint of the sample gradually until a significant fracture or deformation occurs. During the test, the strain, force, and change in shape of the sample are measured. The test results show that areca nut fiber reinforced composites have significant values of modulus of elasticity, tensile strength, flexural strength, and ductility. Factors such as fiber orientation, fiber-matrix composition, and interactions between fibers and matrices can affect the mechanical characteristics of composites. This research provides a better understanding of the mechanical properties of areca nut fiber reinforced composites, which can be used for the development and application of such materials. The results of this study can also be used as a basis for comparison with other fiber-reinforced composites or other materials used in similar applications.
DESAIN KOTAK PENGHANGAT MAKANAN DENGAN MEMANFAATKAN GAS BUANG SEPEDA MOTOR Fadly Ahmad Kurniawan Nasution; Muhammad Arifin
Jurnal Simetri Rekayasa Vol 3 No 2 (2021): Edisi Oktober 2021
Publisher : Universitas Harapan Medan

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Abstract

A warming box is a box that can store food and warm food on delivery services and can keep food warm until it reaches consumers. The system in this food heating box uses the principle of pipe heat to deliver heat coming from motorcycle exhaust gases to the food storage box on the delivery service. In the design of the food warming box, there are several layers in the box, including a layer of stainless stell plate, cocopeat insulator layer, aluminum layer, fiber layer. This food warming box has dimensions of 400 mm× 400 mm× 465 mm, from the design obtained the result of the design of the storage box in the form of the inner surface area of the storage box of 3832.9 〖cm〗^2 at each level. In this food warmer box, a heat exchanger is also used as a heat transfer device and has dimensions of 400 mm× 300 mm×100 mm.
ANALISIS SIFAT MEKANIK KOMPOSIT DIPERKUAT SERAT PINANG MENGGUNAKAN METODE PENGUJIAN BENDING STATIK Muhammad Arifin; Fadly Ahmad Kurniawan Nasution
Jurnal Simetri Rekayasa Vol 1 No 2 (2019): Edisi November
Publisher : Universitas Harapan Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This study aims to analyze the mechanical properties of areca nut fiber reinforced composites using static bending testing methods. Areca nut fiber reinforced composites are materials that show potential as an attractive alternative in engineering applications and natural fiber-based materials. Static bending testing methods are used to evaluate the modulus of elasticity, tensile strength, flexural strength, and ductility of composites. At the sample preparation stage, areca nut fibers are well arranged in a resin matrix to form a composite sample. The test is performed by applying a load on the midpoint of the sample gradually until a significant fracture or deformation occurs. During the test, the strain, force, and change in shape of the sample are measured. The test results show that areca nut fiber reinforced composites have significant values of modulus of elasticity, tensile strength, flexural strength, and ductility. Factors such as fiber orientation, fiber-matrix composition, and interactions between fibers and matrices can affect the mechanical characteristics of composites. This research provides a better understanding of the mechanical properties of areca nut fiber reinforced composites, which can be used for the development and application of such materials. The results of this study can also be used as a basis for comparison with other fiber-reinforced composites or other materials used in similar applications.
Kajian Parameter 3D Printing Terhadap Ketangguhan Material dan Kualitas Permukaan Menggunakan Metode Taguchi Muhammad Arifin
JITEKH Vol 11 No 2 (2023): September 2023
Publisher : Universitas Harapan Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35447/jitekh.v11i2.816

Abstract

3D Printing Fused Deposition Modeling (FDM) is the printing of thermoplastic material layer by layer to form a three-dimensional product in which the adhesion between layers must be well controlled to obtain high mechanical performance and product integrity. The research aims to investigate the influence of the nozzle temperature, table temperature, and filling model on the mechanical strength and surface quality of the product. The PLA filament used in this study, the experimental data capture design using the Taguchi L9 with factor and level (2)4 two nozzle temperature parameters, two model infill parameters, two print speed parameters, and printer table temperature. The durability and quality of the product are the focus of this compilation, and data analysis using robust statistical methods of S/N Ratio design. The relationship of rigidity to mechanical force is also discussed. The temperature of the nozzle becomes a major influence on the firmness of the product for the surface hardness which is a big influence not of the temperature but of the model of the infill
Co-Authors Fadly Ahmad Kurniawan Nasution