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All Journal Jurnal Teknik Mesin Turbo : Jurnal Program Studi Teknik Mesin Jurnal Elementer (Elektro dan Mesin Terapan) Angkasa: Jurnal Ilmiah Bidang Teknologi Vocatech : Vocational Education and Technology Journal International Journal of Aviation Science and Engineering Jurnal Rekayasa, Teknologi, dan Sains Jurnal Abdi Masyarakat Saburai (JAMS) Buguh: Jurnal Pengabdian Kepada Masyarakat Journal of Applied Science, Engineering and Technology (J. ASET) Jurnal Masyarakat Madani Indonesia Electrician : Jurnal Rekayasa dan Teknologi Elektro Jurnal Bakti Masyarakat Manajemen Jurnal Polimesin Journal of Physical Education Health and Sport
Ibrahim, Fauzi
Department Of Mechanical Engineering, Faculty Of Engineering, University Of Malahayati, Bandar Lampung, 35143, Lampung, Indonesia
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The influence of friction stir welding tool shape on quality of AZ31 Magnesium welding product Irza Sukmana; Fauzi Ibrahim; Ahmad Yudi Eka Risano
TURBO [Tulisan Riset Berbasis Online] Vol 10, No 2 (2021): Jurnal TURBO
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v10i2.1728

Abstract

Magnesium is one type of material that can be used as a base metal in welding. Magnesium has superior properties, including low density, good ductility, medium strength and excellent corrosion resistance. Because of its properties, the metal is widely used, ranging from household goods to aircraft components. These base metals are categorised as mild when viewed from the specific gravity of magnesium (1.74 g/cm3 and 1.83 g/cm3). Welding is the process of merging two or more base metals which are merged at the contact surface with or without additives or fillers. Welding is divided into two main categories, Liquid and Solid-State Welding. Friction Stir Welding (FSW) is an example of Solid-State Welding (Non-Fusion Welding). FSW is a friction welding process that twists the tool by utilising heat energy and pressing without additives or fillers until the base metal is in a phase change.  The welding process in this study used the cone and spiral shape with a tool rotation at 2000 rpm and a welding speed of 16 mm/min. The tests carried out are tensile and hardness testing. This study found that the tool shape, tool rotation, and welding speed significantly affect the mechanical properties of the welded AZ31 magnesium. The spiral shape will make the welding area wider. Although the cone shape will have a small area, the weld will look perfect with good tensile strength, while the hardness values for the two tool shapes are almost the same, but the cone shape is better.
PENGHITUNGAN ULANG SISTEM PERPIPAAN STASIUN PENGUMPUL PASIR JADI ASSET 3 AREA SUBANG Fauzi Ibrahim; Anang Ansyori; Adi Prasetyo
JURNAL TEKNIK MESIN Vol 10, No 1 (2022): Oktober
Publisher : Universitas Bandar Lampung

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

Abstract

PT Pertamina EP adalah Badan Usaha Milik Negara yang bisnis utamanya dalam bidang Oil & Gas dengan beberapa area yang sistem utamanya menggunakan perpipaan. Namu, ditemukan beberapa masalah pada beberapa sistem perpipaan nya. Penelitian ini bertujuan untuk mengkalkulasi ulang dan mengetahui penyebab terjadi beberapa perbedaan pada desain dan saat operasi berlangsung. Penghitungan kompleks yang dilakukan tak luput dari data pengamatan dan observasi ketika dilapangan. Hasil penelitian menunjukkan pressure drop dengan data design 21,6947 psia, sedangkan pressure drop dengan data operation lebih kecil yaitu 0,76777 psia. Thickness dengan data design 0,1433423 dan Thickness Minimum nya adalah 0,278342261 inch (7,069989 mm), sedangkan Thickness dengan data operation 0,0822539-inch dan Thickness Minimum 0,217253882-inch (5,51825 inch). Perbandingan antara data design dan operation menghasilkan perbedaan diameter nominal dan schedule, untuk data design diameter nominal yaitu 8-inch dan schedule 40, sedangkan data operation diameter nominalnya adalah 8-inch dan schedule 40, namun bisa memakai 6 inch..
Mechanical properties investigation of the potential extruded MgAZ31B as a bone implant Fauzi Ibrahim; Anang Ansyori; Adi Prastyo; Lukito Dwi Yuono
TURBO [Tulisan Riset Berbasis Online] Vol 11, No 2 (2022): TURBO : Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v11i2.2279

Abstract

Mg is a light metal that has superior properties, including low density, good ductility, medium strength, and good corrosion resistance, mg can also be combined to obtain better properties. Interest in the application of MgAZ31B for bone replacement has now become a major topic and continues to be intensified to improve results that are more compatible with bone constituents found in humans. In the human body, there are approximately 206 bones in an adult. Calcium, magnesium, and phosphorus are the main elements in the formation of human bones but there are many other elements in their formation, the real bone matrix is made of protein, collagen, calcium phosphate, calcium carbonate, magnesium salts, and other minerals. When viewed from the element of bone magnesium is an important part of bone formation and certainly not harmful to the main elements of human bones. However, before being used as bone implants, magnesium must pass the mechanical and clinical test stages.
The Effect of Squeeze Casting Process on Mechanical and Micro-structural Properties of Magnesium AZ31 Tri Cahyo Wahyudi; Tarkono Tarkono; Irza Sukmana; Fauzi Ibrahim; Yanuar Burhanuddin; Fethma M Nor
AVIA Vol 4, No 1: (June, 2022)
Publisher : Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47355/avia.v4i1.66

Abstract

The amount of damage that occurs in various cases of fractures in the bone, both accidents and other events is increasing, it is necessary to have materials which are natural or artificial that can interact with the body system with the aim of repairing, restoring and replacing damaged tissue or as a network connector. body. The use of magnesium as a biodegradable stent material is also based on a fixed tissue structure which is an important element in the body's organs, magnesium is also considered a non-carcinogenic element. The results of the implantation of the stent material that the mechanical properties of the material can survive during the implantation process without showing failure. The parameters used in this research, The sample used is a material that has been squeezed through the squeeze casting process with each pressure variation of 250 MPa, 350 MPa, 500 MPa and 550 MPa at a temperature of 4000C for a pressing time of 1 minute, with a holding time of 5 minutes and argon gas pressure of 1 bar. . In this study it can be concluded that the variation of pressure greatly affects the results of the level of hardness. In this test, it can be seen that the higher the pressure, the greater the hardness value. The highest value is found at a pressure of 550 MPa at 51 HRV, and the highest maximum stress value is 128.26 MPa, this value is close to the tensile strength of the mechanical properties of the cortical and concelues bone. with a holding time of 5 minutes and argon gas pressure of 1 bar. In this study it can be concluded that the variation of pressure greatly affects the results of the level of hardness. In this test, it can be seen that the higher the pressure, the greater the hardness value. The highest value is found at a pressure of 550 MPa at 51 HRV, and the highest maximum stress value is 128.26 MPa, this value is close to the tensile strength of the mechanical properties of the cortical and concelues bone. with a holding time of 5 minutes and argon gas pressure of 1 bar. In this study it can be concluded that the variation of pressure greatly affects the results of the level of hardness. In this test, it can be seen that the higher the pressure, the greater the hardness value. The highest value is found at a pressure of 550 MPa at 51 HRV, and the highest maximum stress value is 128.26 MPa, this value is close to the tensile strength of the mechanical properties of the cortical and concelues bone.
Effect of Production Method on the Mechanical Properties of Resin - Fiber S-GLASS Composite for the Rocket Nose Cone Application Tarkono Tarkono; Sugiyanto Sugiyanto; Akhmad Riszal; Ignatius Bayu Atmoko; Fauzi Ibrahim; Joy Rizki Pangestu Djuansjah
AVIA Vol. 4, No. 2 (December 2022)
Publisher : Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47355/avia.v4i2.69

Abstract

Composite materials are increasingly developing in industrial advances both for everyday life or technological applications in industry. Composite material is a combination of two or more different components. Composite materials have certain physical and mechanical properties that are better than the properties of each of their constituent components. This research has been analyzed to determine the effect of the method of making fiber composites s-glass matrix resin 100 as material nose cone rocket rx-450 by using the method of hand lay up and vacuum infusion. Making a nose cone is carried out in several stages which are quite complicated, starting with preparation master mole for print beginning until polishing compound molding release on molding as finishing. The results obtained from this study are by using the method vacuum infusion lighter compared with material results method hand lay-up because on method vacuum infusion resin can be removed from the laminate. Whereas on method hand layup infiltration resin in fiber not enough perfect and administration of resin that cannot be controlled so that it can affect the mass from product composite.
Photovoltaic (PV) thermal performance simulation using segmentation lapping fin passive cooling Ahmad Yonanda; Amrizal Amrizal; Harmen Harmen; Ahmad Riszal; Fauzi Ibrahim
Jurnal POLIMESIN Vol 20, No 2 (2022): August
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v20i2.3041

Abstract

The sun is a renewable energy source that has several advantages such as being easy to obtain, free of pollution, and available in sufficient quantities. The heat energy received by the photovoltaic can cause an increase in surface temperature, resulting in a decrease in electrical efficiency. One of the efforts to increase photovoltaic electrical efficiency is using air cooling, by adding absorber fins or thermal photovoltaic (PV/T). The lapping type fin has superior performance in reducing the temperature of the PV module compared to the linear (conventional) fin type. The purpose of this study was to compare the performance of thermal PV using conventional fins with lapping segmentation fins carried out using the CFD approach using ANSYS Fluent. The simulation test procedures include: making linear fin geometry (conventional), linear lapping and segmentation lapping, conducting mesh quality studies, and determining boundary conditions and modeling parameters. Modeling variations in the direction of airflow 0°, 15°, 30°, 45°, 60°, 75°, and 90°. The numerical simulation results show that the use of segmented lapping fins can reduce the PV surface temperature by 1.79 °C or about 4.11% compared to conventional (linear) lapping in the airflow direction of 90º (parallel to the fins). The results of this study support the use of integrated PV and passive cooling systems to reduce efficiency losses in actual conditions, where there is a multidirectional airflow characteristic, which may not be advantageous for conventional heatsinks.
Analysis of Mechanical Properties of CD 304 SS at High-Temperature Transient Conditions Adi Prastyo; Fauzi Ibrahim; Mohammad Badaruddin
Jurnal POLIMESIN Vol 20, No 2 (2022): August
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v20i2.2995

Abstract

The mechanical properties of stainless steel at high temperatures are important parameters of the refractory design of stainless-steel structures. In this study, the mechanical properties of SS304 cold-drawn austenitic stainless grade at high temperature and room temperature were investigated experimentally. Thermal strain testing and total deformation of temperature transient conditions were carried out. The young modulus of maximum tensile is determined and the yield strength is determined using the 0.2% offset method. Temperature variables in this test are 25 °C, 100 °C, 200 °C, 300 °C, 400 °C, 500 °C, 600 °C, 700 °C, 800 °C, and 900 °C. In the thermal tensile test results, the specimen at 25 ° C has the highest ultimate voltage (σu), which is 698.33 MPa. Effect of temperature on the strength of SS304 stainless grade dramatically in the temperature range 700 °C. High temperatures reduce steel properties to a relatively greater degree, resulting in a decrease in the mechanical properties of stainless steel SS304 grade followed by relatively low steel ductility capabilities. SEM results explain that the formation of ε-martensite resulting from cold plastic deformation can lead to failure of the material at the total deformation of transient temperatures at low temperatures. The high chromium (Cr) content (~18%. wt) in grade CD 304 SS can be the main trigger for the formation of Cr-carbide precipitates formed in austenite grains or grain boundaries.
Application of Pelton Turbine in Pico Hydro Renewable Energy System at Sinar Negeri, Negeri Sakti Village Ibrahim, Fauzi; Yonanda, Ahmad; Nugraha, Nurcahya
Jurnal ELEMENTER (Elektro dan Mesin Terapan) Vol 9 No 2 (2023): Jurnal Elektro dan Mesin Terapan (ELEMENTER)
Publisher : Politeknik Caltex Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35143/elementer.v9i2.6188

Abstract

Some residents of Sinar Negeri Hamlet use the nearby spring as a place to raise freshwater fish. Residents have solely utilized this spring for everyday needs up until now, and it serves as the primary water source for fish ponds. Since technology would increase residents' productivity, they are excited about the chance to employ it in Sinar Negeri hamlet. Farmers also complain that there is no lighting surrounding the cultivation ponds, which makes it challenging for fish farmers to move around and perform their duties at night. Alternative small-scale power plants known as pico hydropower plants can be used in rural locations with rivers that continuously discharge water and a relatively modest waterfall to power a turbine that generates electricity. The spring has a head of 0.75 meters and a flow rate of 0,002 m3/s. Natural resource potential can be used to generate an environmentally friendly small-scale power plant using alternative energy. Through the use of turbine technology, potential energy from the water head and flow rate is converted into electrical energy produced by a generator with an approximate output of 8,79 watts.
Perhitungan Kapasitas Angkut Bucket Elevator Penggilingan Jagung Dan Padi Marjuni, Teuku; Prastyo, Adi; Ibrahim, Fauzi
Jurnal Rekayasa Teknologi dan sains Vol 8, No 2 (2024): Jurnal Rekayasa, Teknologi, dan Sains
Publisher : Fakultas Teknik Universitas Malahayati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33024/jrets.v8i2.16395

Abstract

Elevator adalah sebagai alat transport material secara vertikal yang mengangkat material terutama yang berbentuk serbuk, granuar dan lumpy (padi dan jagung), permasalahan yang sering timbul pada elevator ini adalah putusnya pin dan slip pin yang terletak pada chain yang di akibatkan karena kecepatan chain yang terlalu tinggi serta mendapatkan beban yang berlebihan, dan masalah yang terjadi pada bucket dikarenakan chain dan sprocket yang sudah mulai aus sehingga posisi bucket sampai ke dasar lantai sehingga bucket bersentuhan dengan lantai yang mengakibatkan bucket menjadi rusak. Kapasitas angkut juga perlu diperhitungkan untuk memenuhi standar K3 pada perusahaan. Hasil dari penelitian ini menunjukkan kecepatan bucket elevator pengangkut bahan baku jagung adalah sebesar 47,36 rpm. Kecepatan belt elevator adalah sebesar 0,619 m/s. Kapasitas angkut bucket elevator adalah sebesar 14,8176 ton/jam. Daya serap listrik bucket elevator sebesar 0,436 kw.
PELATIHAN DASAR TEKNIK PENGELASAN SHIELDED METAL ARC WELDING (SMAW) BAGI WARGA UNIVERSITAS MALAHAYATI UNTUK PENINGKATAN KEMAMPUAN SDM TERAMPIL Marjuni, Teuku; Rajagukguk, Tumpal Ojahan; Ibrahim, Fauzi; Ansyori, Anang; Prastyo, Adi; Hadi, Agung Efriyo
Jurnal Bakti Masyarakat Manajemen Vol 3, No 2 (2023): Volume 3 Nomor 2 Tahun 2023
Publisher : Program Studi Manajemen Fakultas Ekonomi dan Manajemen Universitas Malahayati

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33024/jbmm.v4i1.16259

Abstract

Teknik pengelasan SMAW merupakan jenis pengelasan sederhana yang sering dimanfaatkan oleh Sebagian warga untuk menyambungkan berbagai jenis logam. Hingga saat ini Teknik pengelasan SMAW digunakan untuk kegiatan sehari – hari maupun mata pencaharian utama bagi masyarakat luas. Peluang penerapan jenis pengelasan ini akan menunjang produktifitas warga secara efisien. Potensi maupun bakat yang dimiliki setiap orang berbeda ketika melakukan pengelasan. Pelatihan Teknik pengelasan SMAW bagi warga dan mahasiswa muda universitas malahayati ini akan digunakan sebagai tutor serta peningkatan SDM terampil.
Co-Authors A.Yudi Eka Risano Adi Prasetyo Adi Prasetyo Adi Prastyo Agus Apriyanto Agus Sugiri Ahmad Riszal Ahmad Riszal Ahmad Yonanda Alansori, Apip Alexander Sembiring Amrizal Amrizal Anang Ansyori Apriyanto, Agus Arif Maulana Arifin Kusumo Wicaksono Atmoko, Ignatius Bayu Bayu Wibowo Dalimunthe, Ernando Rizki Dian Pratiwi Djuansjah, Joy Rizki Pangestu Efriyo Hadi, Agung Eko Yohanes Emy Khikmawati Ergantara, Rani Ismiarti Ergantara, Rani Ismiarti Ergantara Ermasari, Anissa Febrihadi, Ahmad Fauzan Fethma M Nor Hadi, Agung Efriyo Harmen Harmen Harmen Harmen Harnowo Supriadi, Harnowo Ignatius Bayu Atmoko Irza Sukmana Irza Sukmana Irza Sukmana Irza Sukmana, Irza Jasmawati, Noor Joy Rizki Pangestu Djuansjah Lukito Dwi Yuono Luthfi, Muhamamad M. Rangga Saputra Mahruri Arif Wicaksono Marcelly Widya Wardana Marjuni, Teuku Marsyad, Hardoyo Mohammad Badaruddin Mulyana Murti, Adam Wisnu Nafrizal Natalina Natalina Novia Utami Putri Nugraha, Nurcahya Oktarina, Devi Pranita, Elka Prastyo, Adi Putri, Novia Utami Putri Retno Wahyudi Rina Febrina, Rina Riszal, Ahmad Riszal, Akhmad Rizal Adi Saputra Sagitarius Sembiring, Alexander SUGIYANTO Sugiyanto - Sugiyanto Sugiyanto Tarkono Tarkono Tri Cahyo Wahyudi Tumpal Ojahan Rajagukguk Wahyu Wahyu Wahyudi, Retno Winarno, Rudi Yadi Sunaryadi Yanuar Burhanuddin Yonanda, Ahmad Zulhanif