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All Journal Prosiding Semnastek Manutech : Jurnal Teknologi Manufaktur Sprocket : Journal of Mechanical Engineering Dulang: Jurnal Pengabdian Kepada Masyarakat Prosiding Seminar Nasional Inovasi Teknologi Terapan Jurnal Inovasi Teknologi Terapan
Somawardi Somawardi
Politeknik Manufaktur Babel
Agriculture, Biological Sciences & Forestry Automotive Engineering Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Other

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Journal : Jurnal Inovasi Teknologi Terapan

 1 
Analisa Kekuatan Impak Sambungan Las Gesek Dengan Variasi Waktu Pada Dua Material Baja Aisi 1040 Dengan SS 400 Abriansyah, Fadhlurrohman; Sugiyarto, Sugiyarto; Somawardi, Somawardi
Jurnal Inovasi Teknologi Terapan Vol. 1 No. 1 (2023): Jurnal Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/jitt.v1i1.71

Abstract

Welding plays an important role in every metal working and repair in the production process. There are various methods to overcome problems in the meterial connection process. One of them is friction welding which is one of the solutions in solving metal joining problems. In this study, the method used is the RSM (Response Surface Method) method which aims to determine the value of impact strength on AISI 1040 steel which is connected to SS 400 steel which has been carried out the Friction Welding process. This study uses an impact test in accordance with the standard ASTM E23 impact test charpy method with a size of 55 mm × 10 mm × 10 mm with a notch depth of 2 mm, and a notch angle of 45 °. The impact test was conducted using the Charpy method impact testing machine model JB-300B. With a pendulum capacity of 150 Joules. Based on the results of the impact test, the largest value was obtained in the 6th and 7th experiments with an impact price value of 2.575 joules/mm2, while the smallest value was in the 3rd experiment with a value of 1.557 joules/mm2
Rekayasa Komposit Matrik Aluminium Diperkuat Alumina Dan Bagasse Ash Dengan Metode Metalurgi Serbuk Al Ghifari , M Ghazi; Somawardi, Somawardi; Rusdi, Ahamad; Sukanto, Sukanto
Jurnal Inovasi Teknologi Terapan Vol. 2 No. 2 (2024): Jurnal Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/jitt.v2i2.151

Abstract

In general, brake linings are made using asbestos materials, but brake linings made from asbestos are very dangerous for health. Therefore, it is necessary to develop innovative environmentally friendly materials, one of which is aluminum matrix composite. This research process aims to determine the effect of differences in hot compaction pressure and sintering temperature on the density and hardness properties of recycled aluminium matrix composites reinforced with alumina and bagasse ash. The method used to make composites from aluminum is the powder metallurgy method, which includes preparation processes, powder mixing, compaction, and sintering. Mixing aluminium, alumina powder, and bagasse ash using a horizontal ball mill machine and using process parameters which include Ball Powder Weight Ratio (BPR) parameters of 10:1, the machine rotation speed of 90 rpm, and grinding time of 2 hours. Meanwhile, the hot compaction process uses a two-way pressing method with a hydraulic pump machine that has a pressure reader. The hot compaction process is carried out with a temperature of 500℃ held for 15 minutes and variations in the two-way compaction pressure used namely 5800 Psi, 6000 Psi, and 6400 Psi. Density testing was carried out by referring to Archimedes’ law with the ASTM B962-17 standard. This test resulted in good results at a pressure variation of 6400 Psi. Meanwhile, for hardness testing, the portable Brinell hardness test was used and referred to ASTM E110-14. In this test, the results were good at a pressure variation of 6400 Psi.
Co-Authors Abriansyah, Fadhlurrohman Akbar Rafsanjani, Alfarobbi Al Ghifari , M Ghazi Anggi Leonardo Anggraini, Asty Arlingga, Alfian Siswara Bilal Pratama, Muhammad ERVAN AGUSTIAN Erwansyah Erwansyah Hakim, Zikrul Muhammad Hasan Muhammad Subhan Muhammad Subhan Ramadhani Harahap, Dedy Rusdi, Ahamad Sabila Rizky, Putra Pratama Sahril Sahril Sembiring, Rinawati Solly Aryza Somawardi Somawardi Sugianto Sugianto - Sugianto Sugianto Sugiyarto Sugiyarto Sukanto Sukanto Yulianto, Ferisa Yuliyanto Yuliyanto Yuliyanto