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All Journal Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik Rekayasa Mesin Jurnal Teknik Pengairan: Journal of Water Resources Engineering Conference SENATIK STT Adisutjipto Yogyakarta Jurnal Surya Masyarakat Unri Conference Series: Community Engagement International Journal of Mechanical Engineering Technologies and Applications (MECHTA) Dulang: Jurnal Pengabdian Kepada Masyarakat Prosiding Simposium Nasional Rekayasa Aplikasi Perancangan dan Industri Advance Sustainable Science, Engineering and Technology (ASSET)
Putu Hadi Setyarini
Mechanical Engineering Department, Brawijaya University
Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences Other

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Penggunaan Minyak Alami dengan Minimum Quantity Lubrication terhadap Hasil Proses Bubut AA 6061 Setyarini, Putu Hadi; Anam, Khairul; Wahyudi, Muhammad
Jurnal Rekayasa Mesin Vol 12, No 1 (2021)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jrm.2021.012.01.25

Abstract

Environmentally friendly lubricants are lubricants that are easily dissolved in the environment and are not harmful to the ecosystem. It uses to reduce the heat in the contact area so that the machinability of the workpiece and the ability of the chisel will increase. To minimize the use of bio-cutting fluids, lubrication is carried out by minimum drop lubrication in the lathe process. The purpose of this research is to comply with the surface roughness of the workpiece and the shape of the chip. The material used is aluminum 6061, the natural oil used are rubber seed oil, virgin coconut oil, sunflower seed oil, and castor oil. The turning parameters were the depth of cut 0.5 mm, spindle speed of 330 rpm, feed rate 0.231 mm/rev, tool angle 90o, drop lubrication 192 ml/hour, infeed length 100 mm. The results of the research showed that virgin coconut oil has the lowest surface roughness. This is because the viscosity value of virgin coconut oil is very small so that the flow rate is able to work perfectly to lubricate the contact area. It has a thin chip configuration, the tool also wears but did not experience cracks.
Karakteristik Fiber Metal Laminate Akibat Beban Impak Balistik Dari Peluru Kaliber 9 mm Full Metal Jacket (FMJ) Fadly, Muhammad Syaiful; Purnowidodo, Anindito; Setyarini, Putu Hadi
Jurnal Rekayasa Mesin Vol 12, No 1 (2021)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jrm.2021.012.01.12

Abstract

Estimated damage levels from ballistics impact zone provide valuable information to make bulletproof materials more effective. Therefore, this study aims to determine the impact of ballistics including hole shape, hole depth, macro, and microstructure on fiber metal laminate. The characteristics of ballistics impact for each configuration target is obtained from experiment and comparison based on simulations with finite element method. Test experiments used short-barreled fire guns at a distance of 5 meters with a normal attack angle based on the National Institute of Justice standard. Simulation with Johnson-Cook plasticity models for aluminum plate and orthotropic material model for kevlar/epoxy. The experiment and simulation results showed that the projectile is able to perforate the first layer (aluminum plate) and the second layer (Kevlar/epoxy) while the last layer (backplate) is deformed to form a bulge. The aluminum plate is perforated by the failure of petaling formation on the backside and spread of dimple fracture around the area of the petal which indicates ductile fracture while kevlar/epoxy is perforated by projectile with failure of fiber fracture on primary yarn, fiber pull-out, fiber stretching and fiber rupture.
Deformation and Energy Absorption of Fiber Metal Laminates (FMLS) After Ballistic Impact Load Muhammad Syaiful Fadly; Anindito Purnowidodo; Putu Hadi Setyarini
SENATIK STT Adisutjipto Vol 5 (2019): Peran Teknologi untuk Revitalisasi Bandara dan Transportasi Udara [ISBN 978-602-52742-
Publisher : Institut Teknologi Dirgantara Adisutjipto

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28989/senatik.v5i0.361

Abstract

Estimated damage levels from ballistic impact zones provide valuable information to make bulletproof materials more effective. This study aims to determine the impact of ballistics including deformation and energy absorption in fiber metal laminates (FMLs) that collide with 9 mm FMJ caliber bullets at speeds of 426 m/s. Finite element method modeling is done using ANSYS 18.1 workbench software. The simulation results show that FMLs can hold the bullet rate with deformation on the back of the target (DOPIII) of 8,55 mm and total energy absorption of 426,59 J at 0,000095 s. The combination of two materials, Al 5083 in the outer layer and kevlar/epoxy as the core, results in faster energy absorption and maximum stress concentrations only occur in the kevlar/epoxy so there is no damage to the first and subsequent layers.
Karakterisasi Sudut Kontak dan Biodegradasi Pada Komposit Polylactide Acid (PLA) – Polycaprolactone (PCL) Untuk Aplikasi Biomaterial Dina Novera Serfandi; Putu Hadi Setyarini; Purnami Purnami; Sulistyono Sulistyono
Prosiding Seminar Sains Nasional dan Teknologi Vol 12, No 1 (2022): VOL 12, NO 1 (2022): PROSIDING SEMINAR NASIONAL SAINS DAN TEKNOLOGI
Publisher : Fakultas Teknik Universitas Wahid Hasyim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36499/psnst.v12i1.7243

Abstract

Komposit polylactide acid (PLA) dan polycaprolactone (PCL) secara ekstensif sedang dieksplorasi dalam beberapa tahun terakhir ini untuk aplikasi biomedis karena karakteristiknya yang menjanjikan, termasuk sifat biodegradabilitas. Karena memiliki sifat biokompatibilitas, biodegradibilitas, dan tidak beracun maka PLA merupakan material yang sesusai untuk implan. Polycaprolactone (PCL) adalah anggota polimer biodegradable dari keluarga poliester alifatik. Tujuan dari penelitian ini adalah untuk mengetahui hidrofobisitas permukaan spesimen material PLA murni dan komposit PLA-PCL dan untuk mengetahui kecepatan degradasi spesimen PLA murni dan komposit PLA-PCL. Metode dalam penelitian ini adalah dengan cara ekstrusi agar material tercampur secara homogen kemudian filamen hasil ekstrusi dipotong dan dimasukkan ke dalam mesin injeksi untuk pembuatan spesimen pengujian. Hasil pengujian hidrofobisitas menunjukkan bahwa spesimen dengan material PLA murni dan komposit PLA-PCL merupakan kategori hidrofilik karena sudut yang terbentuk adalah 60,30° dan 65°. Berdasarkan pengujian immerse nilai sudut kontak berbanding terbalik dengan nilai pengurangan berat selama proses pengujian. Seperti PLA murni, semakin kecil nilai sudut kontak maka semakin besar nilai pengurangan berat karena kemampuan material lebih cepat terdegradasi. Dan untuk komposit PLA-PCL mempunyai nilai sudut kontak yang lebih besar dikarenakan penambahan PCL yang mempunyai kemampuan terdegradasi lebih lama dibandingkan dengan PLA.
PENGARUH PENAMBAHAN HIDROKSIAPATIT DAN KITOSAN PADA PLA DAN ABS TERHADAP SIFAT MEKANIK DARI KOMPOSIT BIOMATERIAL I Wayan Gede Suputra Wardiana; Putu Hadi Setyarini; Teguh Dwi Widodo
Jurnal Rekayasa Mesin Vol. 13 No. 3 (2022)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v13i3.1224

Abstract

The purpose of this study is determine the mechanical properties of PLA-Hap-Chitosan and ABS-HAp-Chitosan composites. Poly lactic acid (PLA) and acrylonitrile butdie styrene (ABS) are polymers that can be applied in the biomedical field because they the to decompose naturally in the human body. To streng and not make the body wear out, a ceramic element that has bioactive, biodegradable and biocompatible properties is added, namely hydrochiapatite (HAp). In addition to hydroxyapatite, chitosan is also added as a natural element that has as an anti-bacterial. The materials used are PLA and ABS with variations using HAp powder and chitosan. The process of making this composite uses an injection molding process with a temperature of 190oC on PLA and 250oC on ABS. The results showed that the addition of HAp and chitosan powder to PLA and ABS caused a decrease in the mechanical properties of the composite, this was due to the difference in polarity which led to the formation of agglomeration in the composite and resulted in poor interactions, causing the mechanical properties of the composite to decrease. The maximum mechanical properties are aimed at the composition of PLA-Hap-Chitosan 90-0-10 and the minimum is PLA-Hap-Chitosan 90-2-8. Meanwhile, for the ABS-HAp-Chitosan composite, the maximum mechanical properties were aimed at the ABS-HAp-Chitosan 90-8-2 composition and the minimum for the ABS-Hap-Chitosan 90-0-10 composition.
THE IMPACT STRENGTH AND CORROSION RATE OF THE GTAW WELDING TECHNIQUE ON AA5083 MATERIAL Dhanang Suryo Prayogo; Sugiarto Sugiarto; Putu Hadi Setyarini
Jurnal Rekayasa Mesin Vol. 14 No. 1 (2023)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v14i1.1121

Abstract

The 5xx series of Aluminium has strong corrosion resistance, excellent weldability, and good cold workability and also medium strength. This series is being utilized extensively in marine building applications for the construction of Oil tankers, pressure vessels, offshore, ships and other vessels. The purpose of this study is to verify and to ascertain how the welding process affects the corrosion rate and impact strength of 5083 Aluminium. In this experiment, four AA 5083 specimens were warmed to chosen variations of 50°C, 100°C, 150°C, 200°C, and 250°C. The amount of energy absorbed during the fracture process was then determined by subjecting the welding results to a Charpy impact test with varying loads. The best specimen was tested for corrosion rate using the Corrosion Tester 3-Electrode device after comparing impact toughness. According to the study's findings, the specimen with a 250°C preheating step had the maximum impact toughness (0.415) and corrosion rate (0.11353 mmPy).
PENGENALAN DAN PEMBELAJARAN URBAN FARMING MELALUI BUDIDAYA SISTEM HIDROPONIK DEEP FLOW TECHNIQUE (DFT) PADA SISWA SISWI SEKOLAH DASAR DAN MENENGAH DI KOTA MALANG Putu Hadi Setyarini; Sisca Fajriani; Mochammad Roviq; Dwi Hadi Sulistyarini; Diana Aisyah
Jurnal Pengabdian Masyarakat Polmanbabel Vol. 3 No. 02 (2023): DULANG : Jurnal Pengabdian Kepada Masyarakat
Publisher : Pusat Penelitian dan Pengabdian Kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/dulang.v3i02.303

Abstract

A challenge in implementing green school initiatives is the lack of hydroponic cultivation learning facilities in the educational setting and the lack of space for planting productive plants in the environment of SDI As Salam and SMPIT As Salam as partners for community service activities. Teachers and students with little experience in hydroponic plant production techniques on small plots of land present another challenge for partners. All school constituents, namely teachers and students, are involved in hydroponic plant growth activities as part of the participatory rural appraisal (PRA) approach to activity implementation. Project for Strengthening Pancasila Student Profiles (P5) activities offer support through workshops for instructors and hydroponic farming techniques for teachers and students. The aims of mentoring are to: (1) teach fundamental information about hydroponic plant cultivation methods; (2) Integrate hydroponic culture learning facilities into the educational setting. The ability of students and teachers to carry out hydroponic activities, from planting seeds, caring for plants, and harvesting vegetable plants using the hydroponic method, is one indicator of the activity's success. Another is the presence of a hydroponic module in the partner environment that is used as a teaching tool for hydroponic cultivation in the school environment.
PENGARUH WAKTU SOLUTION TREATMENT DAN AGING TERHADAP KEKERASAN DAN KEKUATAN TARIK ALUMINIUM PADUAN AA 7075 – T6 Naafila, Amira; Purnowidodo, Anindito; Setyarini, Putu Hadi
Jurnal Rekayasa Mesin Vol. 15 No. 1 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i1.862

Abstract

Aluminium 7075 is a material used to plane body, because this material is corrosion-resistant, and its properties can be formed well, low density and light. Aluminium 7075-T6 which is mainly used for aircraft manufacturing, has a content of 0,37% Zn, 0,13% Mg, 0,07% Cu and 0,20% Si. Because this material 7075-T6 is heat treatable. It will be treated with the solution treatment (420ºC) and aging treatment (250ºC) each in 1hour and 2,5 hours to make precipitation. The hight strength and low hardness to find out the characteristics of aluminium 7075-T6 tensile strength testing, hardness testing and EDS (Energy Dispersive X-Ray Spectroscopy) testing will be carried out. And the result of tensile strength testing for raw material has an ultimate tensile strength (125,000MPa), elongation (0,02%) and the result of Rockwell hardness testing has (10,36 HRt). This material done by processed solution treatment with temperature (420ºC/hour, 2,5 hours/ 150ºC) has an ultimate tensile strength (95,833 MPa), elongation (0,26%) and for the Rockwell hardness testing the result is (49,2 HRt). The heat treatment made the solution treated aluminium grain bigger but increasing the strength because of precipitation.
OPTIMASI PROSES TURNING PADA AA 6061 DENGAN METODE MINIMUM QUANTITY LUBRICATION Anshori, Mohammad; Sonief, Achmad As'ad; Setyarini, Putu Hadi
Jurnal Rekayasa Mesin Vol. 15 No. 1 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i1.1429

Abstract

The use of vegetable oil-based cutting fluids under minimum quantity lubrication (MQL) lubrication has been suggested as a potential alternative. The cutting fluid is conveyed in the form of fine droplets with compressed air delivered precisely to the cutting zone. This study aims to determine the effect of variations of rubber seed oil and coconut oil as a cutting fluid on the surface roughness of the machining process using the MQL method. Researchers used the parameters of cutting fluid flow rate of 120 ml/hour and 180 ml/hour, cutting speed of 500 rpm, feed rate of 0.011 mm/rev, depth of cut of 0.5 mm with variations of coconut oil 10%, 20%, 30%. The results showed that the lowest surface roughness value was at a flow rate of 180 ml/hour with a 30% variation of 0.886 µm, while the highest surface roughness value was at a flow rate of 120 ml/hour with a 10% variation of 1.164 µm, meaning that the greater the flow rate and variation cutting fluid results in a decrease in surface roughness, this is due to the influence of the addition of coconut oil, the more coconut oil is added, the surface roughness value decreases. The surface roughness value decreases as the viscosity decreases, because the viscosity of coconut oil is lower than that of rubber seed oil, so that the flow rate of the cutting fluid is able to work optimally to lubricate the contact area.
KARAKTERISASI BIODEGRADASI PADA KOMPOSIT POLYMER POLYLACTID ACID (PLA) DENGAN PENAMBAHAN CHITOSAN DAN HYDROXYAPATITE Serfandi, Dina Novera; Setyarini, Putu Hadi; Purnami, Purnami; Sulistyono, Sulistyono
Jurnal Rekayasa Mesin Vol. 14 No. 3 (2023)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v14i3.1476

Abstract

Polylactid Acid (PLA) is a biodegradable polymer made from natural ingredients so it is safe to use for biomaterials. The purpose of this study was to determine the biodegradation characteristics of the addition of chitosan powder and Hydroxyapatite to PLA. There were 4 variations in this study, namely PLA 100 (pure PLA), PLA-chitosan-Hydroxyapatite 94-3-3 (Composite 1), PLA-chitosan-Hydroxyapatite 94-0-6 (Composite 2), PLA-chitosan-Hydroxyapatite 94-6-0 (Composite 3). Samples were prepared using the extrusion method to form filaments, then the filaments were injected with a temperature of 170-190°C and an injection pressure of 5-6 bar. Characterization was carried out using the Immerse Test, FTIR Test, and SEM-EDS Test. The results of the Immerse Test showed an increase in sample mass of 1.04%, 1.1%, 1.05% and 1.14% respectively. FTIR test results did not show any new functional groups in the composite. The results of the SEM test indicated the presence of Na and Cl deposits on the sample surface as evidenced by the results of the EDS test that all samples contained Na and Cl elements. So that the weight gain occurs because the three materials are not chemically mixed which easily separate and cause cavities, these cavities are filled with HBSS liquid.
Co-Authors A.A. Ketut Agung Cahyawan W Amanda Nur Cahyawati Anam, M. Khairul Anindito Purnowidodo Anshori, Mohammad Audrey, Reinaldo Evan Bakri Bakri Bakri Bakri Darmadi, Djarot Bangun Dewi, Francisca Gayuh Utami Dhanang Suryo Prayogo Diana Aisyah Dina Novera Serfandi Djoko Sutikno Dwi Hadi Sulistyarini Dwi Hadi Sulistyarini Erwin Sulistyo Fachrezi, M. Qashmal Fariqi, Ikhwan Hafiz Femiana Gapsari MF Fikrul Akbar Alamsyah Firdaus Nur Dwi Fahmi Fitriani, Siti Noor Harjo, Apollo Ode Rea Hery Widijanto I Wayan Gede Suputra Wardiana Iksandy, Jemmie Inayati, Dian Mochammad Roviq Mochammad Roviq Muhammad Sadat Hamzah Muhammad Syaiful Fadly Muhammad Syaiful Fadly Muhammad Wahyudi Naafila, Amira Nuretha Hevy Purwaningtyas Pembayun, Hanum Surya Purnami Purnami Rudianto Raharjo Serfandi, Dina Novera Sholikin, Atfalus Sisca Fajriani Sisca Fajriani Sonief, Achmad As'ad Sonief, Achmad As’ad Sri Chandrabakty Sugiarto S Sugiarto Sugiarto Sugiarto, S Sulistyono Sulistyono Sulistyono Sulistyono Syarif Hidayatullah Teguh Dwi Widodo Tri Nurwati Wiwik Handayani Yoni Sudana