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All Journal Jurnal Rekayasa Mesin AUSTENIT FLYWHEEL : Jurnal Teknik Mesin Untirta Indonesian Journal of Engineering and Science (IJES) Jurnal Pelita Sriwijaya
Amir Arifin
Jurusan Teknik Mesin, Fakultas Teknik, Universitas Sriwijaya
Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation Other

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INTERGRANULAR CORROSION AND DUCTILE-BRITTLE TRANSITION BEHAVIOUR IN MARTENSITIC STAINLESS STEEL Gunawan Gunawan; Amir Arifin
Indonesian Journal of Engineering and Science (IJES) Vol. 2 No. 3 (2021): Table of Contents
Publisher : Asosiasi Peneliti Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51630/ijes.v2i3.23

Abstract

Material mechanical behavior is critical for both safety and economic considerations. Because engineering items are manufactured using appropriate grade materials, mechanical approval of the materials used must be completed before assembly. Petrochemicals, marine, and biomaterials are just a few of the industries that use stainless steel. Despite its extensive use, structural failure is still frequently caused by inadequate stainless steel type selection. As a result, dangerous conditions, resulting in personal harm or financial loss. Dangerous conditions is might result in accidents, resulting in personal injury or financial loss. Martensite stainless steel is a type of stainless steel with a high strength value but is brittle, necessitating careful handling. Intergranular corrosion, sensitization, tempering heat treatment, and the Ductile to Brittle Transition Temperature (DBTT) are topics still working on Martensite stainless steel for researchers.
WELDING ANALYSIS OF GRAY CAST IRON ASTM A48 CLASS 40 USING SMAW Diah Kusuma Pratiwi; Amir Arifin; Reza Andre Suhada
Indonesian Journal of Engineering and Science (IJES) Vol. 2 No. 3 (2021): Table of Contents
Publisher : Asosiasi Peneliti Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51630/ijes.v2i3.26

Abstract

The mechanical and physical characteristics of gray cast iron are intricately bound to its application as an essential material in manufacturing various goods. SMAW (Shielded Metal Arc Welding) is the most simple and widely used electric arc welding method. In this work, ASTM A48 gray cast iron Class 40 was joining using the SMAW method with the welding position used was 1G or underhand position. The joining used is the Butt Joint using an open Singel V seam with a current of 120A. The joining of Welding was characterized through dye penetrant and hardness tests. Rockwell hardness tests on base metal and heat affected zone reveal that the heat affected zone has the highest hardness value of 56.5 HRC, while the base metal has the lowest hardness value (41 HRC). Graphite, pearlite, and pearlite were all visible in the microstructure study.
Studi Pengembangan Komposit Al/Al2O3 Berpori dengan Space Holder Latex terhadap Sifat Mekanik dan Fisik Gunawan Gunawan; reni sofyana; amir arifin
Jurnal Rekayasa Mesin Vol. 22 No. 1 (2022): Jurnal Rekayasa Mesin (In Progress)
Publisher : Universitas Sriwijaya

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Abstract

Composite materials are combinations of multiple or more ingredients that have different materials used for materials and materials that have pores produced from space holder material. This study aims to identify aluminum metal as aluminum metal (aluminum metal foam) to the mechanical properties and physical properties (density and porosity) with the same temperature and holding time. Fabrication method is powder metallurgy, with compacting of 100 kg/cm2 and using a sintering temperature of 5000C with a holding time of 2 hours. Tests and observations made were Thermo Graviemetric Analysis (TGA) to determine the process of decreasing space space holder, X-Ray Diffraction (XRD) to characterize crystalline phases formed, test Density, Scanning Electron Microscopy (SEM).
PEMANFAATAN BOILER MINI HEMAT ENERGI BERBAHAN BAKAR LIMBAH SERBUK GERGAJI DAN LIMBAH AMPAS TEBU UNTUK MEMASAK PADA INDUSTRI RUMAH TANGGA ISMAIL THAMRIN; IRSYADI YANI; GUNAWAN GUNAWAN; AMIR ARIFIN; NUKMAN NUKMAN; BARLIN BARLIN; DEWI PUSPITASARI; ASTUTI ASTUTI; DIAH KUSUMA PRATIWI; NURHABIBAH PARAMITHA EKA UTAMI
Jurnal Lentera Nusantara Vol 2 No 1 (2023): Jurnal Pelita Sriwijaya
Publisher : Asosiasi Peneliti Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51630/jps.v2i1.114

Abstract

Boiler mini ini dapat juga berfungsi sebagai tungku masak biasa, yang sering digunakan masyarakat dengan menggunakan kayu sebagai bahan bakarnya. Bedanya boiler ini menggunakan limbah dari serbuk kayu dan ampas tebu sebagai bahan bakarnya. Cara kerja tungku ini menggunakan tekanan uap yang dihasilkan dari tangki air yang terdapat dalam tungku. Tekanan uap ini mendorong bahan bakar alternatif yang digunakan untuk langsung masuk kedalam ruang bakar. Kita hanya perlu mengontrol tingkat level air yang ada didalam tungku, agar tekanan uap yang dihasilkan selalu dalam kondisi tinggi. Dengan jumlah kalori bahan bakar yang sama, tungku ini dapat menghemat pengeluaran untuk membeli kayu.
Co-Authors Abu Bakar Sulong, Abu Adanta, Dendy Ahmad Irham Jambak ASTUTI ASTUTI Barlin Barlin BARLIN BARLIN Buana Candra Mangku DEWI PUSPITASARI Diah Kusuma Pratiwi Diah Kusuma Pratiwi Firdaus MS Gunawan Gunawan Gunawan Gunawan Gunawan Gunawan Gunawan Gunawan GUNAWAN GUNAWAN helena astari Irsyadi Yani IRSYADI YANI ISMAIL THAMRIN Ismail Thamrin Junaidi Junaidi M Hendrianto Muhamad Machrus Muhammad Dahlan Nukman NUKMAN NUKMAN NURHABIBAH PARAMITHA EKA UTAMI Pratiwi, Diah K. reni sofyana Reza Andre Suhada Riman Sipahutar Surya Adi Chandra Tommy Sulistyawan Zambri Harun, Zambri