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All Journal Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Jurnal Teknik Mesin Sinergi
Prinob Aksar
Teknik Mesin, Universitas Halu Oleo
Energy Mechanical Engineering

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Analisis Kekuatan Tarik Material Komposit Berpenguat Ampas Pengolahan Sagu La Ode Muhamad Saleh; Samhuddin Samhuddin; Prinob Aksar
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 7, No 4 (2022): Enthalpy: Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55679/enthalpy.v7i4.28335

Abstract

In the industrial world, the development of material technology is growing rapidly. Various kinds of materials have been used and further research is being carried out to obtain the right materials, one of which is composite materials. The purpose of this study was to determine the effect of the tensile strength of the composite material reinforced with sago pulp. In this study, the manufacture of composites using the hand lay up method. then the fiber is given alkaline treatment by soaking in a solution of NaOH (Sodium Hydroxide) with a concentration of 5% for 1 hour, 2 hours and without treatment. From the results obtained, immersion for 1 hour has the highest tensile stress of 10,456 N/mm², followed by immersion for 2 hours of tensile stress of 7.189 N/mm². While without treatment has the lowest tensile stress of 4.955 N/mm². This shows that the treatment will affect the tensile stress.Kata kunci: Sago drgs,tensile strength,alkali
Pengaruh Sudut Elektroda Terhadap Sifat Mekanik dan Fisis Baja Karbon Rendah Hasil Proses Pengelasan SMAW Darmawan Darmawan; Nanang Endriatno; Prinob Aksar
Enthalpy : Jurnal Ilmiah Mahasiswa Teknik Mesin Vol 7, No 4 (2022): Enthalpy: Jurnal Ilmiah Mahasiswa Teknik Mesin
Publisher : Teknik Mesin Universitas Halu Oleo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55679/enthalpy.v7i4.28333

Abstract

Analysis of the effect of welding position and electrode movement pattern on hardness,it can be concluded that the electrode movement pattern has an influence on the hardness result. The purpose of this study was to determine the effect of the electrode angle on the mechanical and physical properties of low carbon steel from the SMAW welding process. The research method used is hardness testing and microstructure analysis. The results obtained are that specimens with different electrode angles, namely 300, 450, and 600 produce an average in each welding area such as the weld area, haz area, and different areas where the greater the angle the higher Also the average for each weld area and also on the analysis of microstructure shows that the weld metal area with electrode angles of 300, 450, and 600 shows the same microstructure or does not show any effect. the larger the area of the weld metal with electrode anglesof 300, 450, and 600, the larger the ferrite area, the larger the area of the weld metal with angles of 300, 450, and 600 pearlite grains.Keywords: electrode angle, low carbon steel, microstructure, welding
Studi Sifat Mekanik Komposit Polimer Serat Bambu Dengan Struktur Berlapis Aminur Aminur; Sudarsono Sudarsono; Raden Rinova Sisworo; Prinob Aksar; Citra Yurnidar Syah; Wa Ode Nartin Hamundu
Jurnal Sinergi Jurusan Teknik Mesin Vol 21, No 1 (2023): April 2023
Publisher : Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31963/sinergi.v21i1.3808

Abstract

Natural composites are one of the smart materials that have the opportunity to replace the use of synthetic composites. and metal materials. Layered structural composites provide nearly uniform properties on all sides. The purpose of this study was to determine the mechanical properties of tensile, compressive and impact on the behavior of bamboo fiber polymer composites with a layered structure. This research method is experimental where the specimens are made in 2 quasine isotropic configuration configurations namely [+60/0/-60] and [+45/0/-45] with layer thicknesses of 1.0 mm, 1.5 mm, respectively. and 2.0mm. The highest tensile strength is 8.173 N/mm2 in the [+60/0/-60] arrangement and the lowest is 6.196 N/mm2 in the [+45/0/-45] arrangement. The highest impact strength is 34.259 kJ/mm2 in the [+45/0/-45] array configuration and the lowest tensile strength is 10.775 kJ/mm2 in the [+60/0/-60] array configuration. The highest compressive strength is 15.856 N/mm2 in the configuration [+60/0/-60] arrangement and the lowest compressive strength is N/mm2 in the configuration [+45/0/-45]. The [+60/0/-60] array configuration has better mechanical properties than the [+45/0/-45] configuration. Where the tensile strength, compressive strength and impact strength increase with increasing layer thickness. Keywords: composite, layered structure, tensile, compressive and impact
Co-Authors Aminur Aminur Citra Yurnidar Syah Darmawan Darmawan La Ode Muhamad Saleh Nanang Endriatno Raden Rinova Sisworo Samhuddin Samhuddin Sudarsono Sudarsono Wa Ode Nartin Hamundu