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Journal of Mechanical Engineering Science and Technology (JMEST)

Journal of Mechanical Engineering Science and Technology (JMEST) (EISSN: 2580-2402 ; PISSN: 2580-0817) is a double-blind peer-reviewed, open access journal published by Universitas Negeri Malang in Collaboration with CAMRY and BKSTM. Committed to supporting SDG 7: Affordable and Clean Energy and SDG 9: Industry, Inovation and Infrastructure.

This journal published two times a year (July and November). All articles in this journal are published in English and welcomes various article types: Original Research Articles, Review Articles, Short Communications, and Case Studies.

With a streamlined editorial process, the journal provides a first decision within two weeks, with average acceptance in four to six weeks, and publication within two to three weeks post-acceptance. Since this publication media is an open access journal, therefore each author is required to pay for the publication process when the manuscript is camera ready; Prospective authors are invited to submit their manuscripts to JMEST. Please download and use the journal template before submission.

This journal has been accredited Rank 2 (SINTA 2) as a scientific journal under the decree of the Ministry of Education, Culture, Research, and Technology of the Republic of Indonesia (valid until Vol. 11 no. 2 (2027)).

Recent Content

Optimization and Energy Efficiency Analysis of an Automatic Feed Mixer with a Rotating Drum Mechanism
Kris Witono, Talifatim Machfuroh, Nurlia Pramita Sari, Lisa Agustriyana, and Aini Lostari

https://doi.org/10.17977/2580-0817.1211

pp. 103 - 117

Influence of Fiber Loading and Cu/SiO₂ Fillers on Mechanical and Physical Properties of Sugarcane Bagasse Epoxy Composites
Ansor Salim Siregar, Indra Indra, Agung Fauzi Hanafi, and Sunny Ineza Putri

https://doi.org/10.17977/2580-0817.1189

pp. 92 - 102

Influence of Gas Atmosphere and Deposition Time on Si/MnO₂ Thin Films Properties Deposited by Magnetron Sputtering for Supercapacitor Application
Tansya Trisnatika Dewi, Boon Tong Goh, Reza Akbar Pahlevi, Ishmah Luthfiyah, and Markus Diantoro

https://doi.org/10.17977/2580-0817.1201

pp. 76 - 91

Kinetic Study of Oil–Water Separation in a Dual Port Inlet Cyclone Separator
Ikhwanul Qiram and Agung Nugroho

https://doi.org/10.17977/2580-0817.1182

pp. 63 - 75

Thermal Transient Analysis of Mahogany Wood Biomass Pyrolysis: the Role of Zeolite Catalyst Variations on Temperature Distribution
Yusri Yusri, Widya Wijayanti, and Mega Nur Sasongko

https://doi.org/10.17977/2580-0817.1199

pp. 48 - 62

Integrated Solar and Regenerative Braking System for Off-Grid Charging of an Electric Motorcycle
Christian Soolany, Dhimas Oki Permata Aji, Sigit Suwarto, Setya Permana Sutisna, and Furqon Furqon

https://doi.org/10.17977/2580-0817.1187

pp. 35 - 47

Preliminary Study of Circular Lithium-Ion Battery Thermal Management System with Intermittent Cooling
Muhammad Luthfi, Leo Van Gunawan, Yudhy Kurniawan, Sabda Ikhwal Rahmatullah, and Alfarikh Muhammad Daen

https://doi.org/10.17977/2580-0817.1168

pp. 1 - 21

Performance Analysis of a Converted Electric Underbone Motorcycle: A Combined Dynamometer and Road Test Approach
Dhimas Oki Permata Aji, Sigit Suwarto, and Yunus Ari Rokhim

https://doi.org/10.17977/2580-0817.1180

pp. 22 - 34

Full Factorial Design of Carbon Content and Heating Temperature on Height Reduction in Bonnell Springs
Yurida Ekawati, Cendana Anggun Sasmitha, and Mochamad Syamsul Ma’arif

https://doi.org/10.17977/um016v9i22025p539

pp. 539 - 552

Surface Modification of Local Natural Fibers via Alkali Treatment for Improved Mechanical and Molecular Properties of Bamboo Fiber, Pineapple Leaf Fiber, and Sisal Fiber
Jibril Maulana, Muhammad Ilman Nur Sasongko, Dewi Izzatus Tsamroh, Muchammad Yafis, and Syekhan Maulana

https://doi.org/10.17977/um016v9i22025p524

pp. 524 - 538

The Effect of Heat Treatment Duration on the Psychochemical, Mechanical, and Biodegradability of Polyvinyl Alcohol/Gambir Extract Biocomposite Films
Ainul Kahfi Muhlasin, Poppy Puspitasari, Heru Suryanto, Diki Dwi Pramono, Dieter Rahmadiawan, and Billie Jack Pasion

https://doi.org/10.17977/um016v9i22025p509

pp. 509 - 523

Impact of CPO and B35 on Diesel Engine Rocker Arm Wear During Long-Term Operation
Fawwaz Aqilah Nurmansyah, Nur Fadilah Rizky Supramono, Muhammad Ikhsan, Erwan Adi Saputro, and Wiliandi Saputro

https://doi.org/10.17977/um016v9i2p495

pp. 495 - 508

Numerical Analysis of the Effect of Vortex Generator on the Aerodynamic Performance of NACA 6412 Airfoils Using Large Eddy Simulation
Dedet Hermawan Setiabudi, Joan Bayuaji Nugroho, Eli Kumolosari, Lazuardy Rahendra Pinandhita, and Okto Dinaryanto

https://doi.org/10.17977/um016v9i2p479

pp. 479 - 494

Effect of Argon Gas Flow Rate on Crystal Structure, Morphology, and Optical Properties of CIGS Film for Photodetector Applications
Nurul Lathi’i Fatul Chamidah, Fadilah Wulan Cahyani, I Gusti Ayu Isnaini Fatha Ramadhani, Erma Surya Yuliana, Nasikhudin Nasikhudin, Safwan Abd. Aziz, and Nandang Mufti

https://doi.org/10.17977/um016v9i2p464

pp. 464 - 478

Spray Angle on the Performance of Split-Type AC Condenser Installed on Concrete Rooftop in Tropical Climate
Kennedy Kennedy, I N Frenki Aryana, and Basri Basri

https://doi.org/10.17977/um016v9i22025p451

pp. 451 - 463

Analysis of Engine Parameters of High Composition Palm Oil Biodiesel in CRDI System
Achmad Aminudin, Kelvin Dwi Wardana, Nanang Romandoni, Ahmad Yusril Aminullah, Nur Ihda Farikhatin Nisa, and Hari Setiapraja

The Effect of Preheater on Heat and Mass Transfer Efficiency Using Rotating Drum Roaster
Melisa Surya Andini, Retno Wulandari, and Heru Suryanto

https://doi.org/10.17977/um016v9i22025p404

pp. 404 - 415

One-way Thermal-Fluid-Solid Coupling Analysis of Helicopter Tail Reducer with Spiral Bevel Gear
Dongping Sheng, Zhongyuan Ma, Chenqi Zhou, Haidong Feng, Hun Guo, and Chun Su

https://doi.org/10.17977/um016v9i22025p392

pp. 392 - 403

Numerical Investigation of Ethanol-Enriched Diesel and Biodiesel Fuels in a Diesel Engine
Annisa Bhikuning, Hezron Elyakim Potto, Sandi Apriandi Setiawan, and Jamal F. Jati

https://doi.org/10.17977/um016v9i22025p379

pp. 379 - 391

Simulation of Stress, Deformation, and Vibration in Unlubricated Ball Bearings at Varying Rotational Speeds
Billy Dwiki and Moh. Hartono

https://doi.org/10.17977/um016v9i22025p368

pp. 368 - 378

The Impact of Pine Resin-Epoxy Ratios on Fire Resistance and Acoustic Performance of Banana Fiber Composites
Cokorda Istri Putri Kusuma Kencanawati, Dewa Ngakan Ketut Putra Negara, and I Gede Andy Andika Parahita

https://doi.org/10.17977/um016v9i22025p356

pp. 356 - 367

Optimizing Zeolite Catalysts for Efficient LDPE Plastic Waste Pyrolysis
Hilda Porawati, Mazwan Mazwan, and Sukadi Sukadi

https://doi.org/10.17977/um016v9i22025p344

pp. 344 - 355

Improvement of Thermal Energy Storage Performance in Al-Al2O3 Composites through Additions of Copper: Evaluation of Microstructure and Thermal Properties
Muhammad Hasan Basri, Ramang Magga, Muhammad Syaiful Fadly, Zikri Arifansyah Djaba, Muhammad Iqbal Ibrahim, Hidayat Hidayat, and Yandi Yandi

https://doi.org/10.17977/um016v9i22025p331

pp. 331 - 343

Thermophysical, Rheological and Wear Resistance of Canola Oil Biolubricant with Calcium Carbonate Additive Nanoparticle as Coolant in CNC Machining
Alfandi Jaelani, Poppy Puspitasari, Diki Dwi Pramono, Alief Muhammad, Muhammad Kozin, and Muhammad Kashif

https://doi.org/10.17977/um016v9i22025p317

pp. 317 - 330

Optimizing Aluminium 6061 Turning using Kesambi Oil-Based Cutting Fluid and Response Surface Methodology to Reduce Surface Roughness
Ari Wahjudi, Raihan Baihaki, and Khairul Anam

https://doi.org/10.17977/um016v9i12025p305

pp. 305 - 316

Steam Supply Evaluation for Carbon Capture and Storage in a Subcritical Coal-Fired Power Plant
Veri Hendrayawan, Anggit Raksajati, Sanggono Adisasmito, and Firman Bagja Juangsa

https://doi.org/10.17977/um016v9i12025p291

pp. 291 - 304

Surface Analysis of Bacterial Cellulose Membrane Made from Biowaste Added with ZnO Nanopowder
Naufal Rizky Amasda, Heru Suryanto, Uun Yanuhar, Aminnudin Aminnudin, Fajar Nusantara, and Quota Alief Sias

https://doi.org/10.17977/um016v9i12025p281

pp. 281 - 290

Harnessing the Role of Carbon Black: A New Frontier for Energy-Density Supercapacitor Electrodes
Ana Yuli Komariyah, Ishmah Luthfiyah, Ida Vaeruza Albadi’ah, Nasikhudin Nasikhudin, Worawat Meevasana, and Markus Diantoro

https://doi.org/10.17977/um016v9i12025p268

pp. 268 - 280

Simulation of Magnet Thickness and Angle of Attack on Magnetic Force for Magnetic Turbine Design
Eka Pratama and Wirawan Wirawan

https://doi.org/10.17977/um016v9i12025p258

pp. 258 - 267

Finite Element Analysis of the Construction Strength of Semi-Submarine Glass-Bottom Catamaran
Berliana Ayarent Puteri, Aldias Bahatmaka, Widya Aryadi, Musdika Bagas Satria Putrananda, and Christian Imanuel Hutagalung

https://doi.org/10.17977/um016v9i12025p243

pp. 243 - 257

Effect of Thickness of Nanofiber Separator Membrane PAN/PVDF on Supercapacitor’s Performance
Silvia Nurlaili Agustina, Markus Diantoro, Hartatiek Hartatiek, and Nasikhudin Nasikhudin

https://doi.org/10.17977/um016v9i12025p228

pp. 228 - 242

Analyzing the Performance of a Solar-Assisted Grain Dryer
Daniel Parenden, Frederik H. Sumbung, and Peter Sahupala

https://doi.org/10.17977/um016v9i12025p215

pp. 215 - 227

Effect of Various Canopy Shapes on the Drag Coefficient of Pickup Trucks
Khairil Anwar, Muhammad Syaiful Fadly, and Muhammad Wahyu Hermanto

https://doi.org/10.17977/um016v9i12025p203

pp. 203 - 214

Tear Resistance Evaluation of Room Temperature Vulcanizing Silicone Rubber: A Comparative Study
F R. Mawandi, P D. Safitri, D Mirnanda, F H. R. Nurrokhim, Ndaru Adyono, and W D. Lestari

https://doi.org/10.17977/um016v9i12025p190

pp. 190 - 202

Multiple Input–Single Output (MISO) Framework for Low Velocity Impact Response of Hybrid Gongronema latifolium/S-Glass Fibre Epoxy Composites
Christian Emeka Okafor, Peter Chukwuemeka Ugwu, Godspower Onyekachukwu Ekwueme, Nürettin Akçakale, and Emmanuel Chukwudi Nwanna

https://doi.org/10.17977/um016v9i12025p177

pp. 177 - 189

Characterization of Bamboo Petung Fiber Reinforced Composites with Environmentally Friendly Enzymes
Rudianto Raharjo, Teguh Dwi Widodo, Redi Bintarto, and Fikrul Akbar Alamsyah

https://doi.org/10.17977/um016v9i1p165

pp. 165 - 176

Performance of Rice Grain Conveyor Vacuum Blower with Variations in the Number and Shape of Impeller Angles
Dedi Suwandi, Agus Sifa, Tito Endramawan, Kasni Sumeru, and Ismail Wellid

https://doi.org/10.17977/um016v9i12025p154

pp. 154 - 164

Development of Adjustable Static Test Equipment for Below-Knee Prosthetic Feet: A Case Study
Firmansyah Hafizh Rizal Nurrokhim, Fauzan Raka Mawandi, Puspa Dinda Safitri, Imam Mahmudah, Dwiky Mirnanda, Ndaru Adyono, and Wahyu Dwi Lestari

https://doi.org/10.17977/um016v9i12025p143

pp. 143 - 153

Boiling Heat Transfer Coefficient and Critical Heat Flux on Conical Cylindrical Copper under Surface Modification
Muhammad Dimyati Nashrullah, Andi Sanata, Imam Solahuddin, Nasrul Ilminnafik, Indro Pranoto, and Adhika Widyaparaga

https://doi.org/10.17977/um016v9i12025p126

pp. 126 - 142

Toolpath Motion Strategy and Feed Rate in CNC Milling on Energy Consumption of Machining Process
Luqman Dwi Saputra and Eko Yudiyanto

https://doi.org/10.17977/um016v9i12025p114

pp. 114 - 125

Performance Analysis of Alkaline Fuel Cell with Variation of Potassium Hydroxide Concentration in Electrolyte Solution
Mohammad Rifqy Alfariz, Nasrul Ilminnafik, Dwi Djumhariyanto, Intan Hardiatama, Muhammad Khadafi Ibnu, Raafi Aditya Nugraha, and Domingos de Sousa Freitas

https://doi.org/10.17977/um016v9i12025p103

pp. 103 - 113

Impact of Print Speed and Nozzle Temperature on Tensile Strength of 3D Printed ABS for Permanent Magnet Turbine Systems
Wirawan Wirawan, Hilmi Iman Firmansyah, Satworo Adiwidodo, and Mohammad Sukri Mustapa

https://doi.org/10.17977/um016v9i12025p090

pp. 90 - 102

Influence of Different Nanoparticles on Thermophysical Properties and Wear Resistance of Corn Oil-Based Cutting Fluid in MQL-CNC Milling Machining
M Nuril Anwar Habiby, Poppy Puspitasari, Aminnudin Aminnudin, Diki Dwi Pramono, Ahmad Atif Fikri, and Mariyam Jameelah Ghazali

https://doi.org/10.17977/um016v9i12025p075

pp. 75 - 89

Characterization of Curcumin as a Coating Material for Polymer-Free Stents inTerms of Morphology and Release
Ameliyana R.S.P.A. Yani and Muhammad Kusumawan Herliansyah

https://doi.org/10.17977/um016v9i12025p074

pp. 62 - 74

Investigation of Drag Force and Downforce on Two Racing Motorcycles in Slipstream Conditions
Muhamad Hanifudin, Gaguk Jatisukamto, Mahros Darsin, Muh. Nurkoyim Kustanto, Azmi Saleh, Suprihadi Prasetyono, and Catur Suko Sarwono

https://doi.org/10.17977/um016v9i12025052

pp. 52 - 61

Investigation of the Influence of Warhead Shape and Type of Missile Weapon Material Counter-Training Tank Weapons Simulation Approach
Transisma Budiarta, Haris Puspito Buwono, and Radhi Nurvian Amrullah

https://doi.org/10.17977/um016v9i12025p039

pp. 39 - 51

Dynamic Analysis and Fatigue Life Evaluation of Single Herringbone Planetary Gear System with Crack Fault
Dongping Sheng, Jie Yang, and Chun Su

https://doi.org/10.17977/um016v9i12025p026

pp. 26 - 38

Utilization of Biomass from Kerai Payung Trees and Waste Paper Through Pyrolysis Technology to Support the Zero-Waste Concept
Anggita Putri Indadari, Nurfa Anisa, and Asih Budi Santoso

https://doi.org/10.17977/um016vv9i12025p014

pp. 14 - 25

Development of Power Management on Unmanned Surface Vehicles to Measure Battery Voltage and Power
Diana Alia, Henna Nurdiansari, Akhmad Kasan Gupron, and Amelia Greacy Talenta Siregar

https://doi.org/10.17977/um016v9i12025p001

pp. 1 - 13

The Influence of Sodium Chloride Treatment on the Sisal Fiber Bundle’s Properties
Tamaryska Setyayunita, Heru Suryanto, and Aminnudin Aminnudin

https://doi.org/10.17977/um016v8i22024p532

pp. 532 - 541

Friction Modeling of Composite Brake Pads with Ulin Wood Powder (Eusideroxylon zwageri)
Muhammad Rezki Fitri Putra, Hajar Isworo, Muhamad Noor Yasin, and Rachmat Subagyo

https://doi.org/10.17977/um016v8i22024p520

pp. 520 - 531

Characteristics of Liquid Products from Spirulina platensis Pyrolysis under Microwave Irradiation with Activated Carbon Additive
Mohammad Mirza Yuniar Romaz, Sukarni Sukarni, and Retno Wulandari

https://doi.org/10.17977/um016v8i22024p503

pp. 503 - 519

Tactical Activities to Improve the Effectiveness of Concrete Batching Plant Based on Overall Equipment Effectiveness Analysis
Yurida Ekawati, Iddo Christian Sutrisno, and Teguh Oktiarso

https://doi.org/10.17977/um016v8i22024p488

pp. 488 - 502

Optimization of the Number of Cylinder Blades in Coffee Pulper Machine: Finite Element Analysis and Simple Additive Weighting Methods
Mochamad Rifki Syahriza, Dwi Djumhariyanto, Nasrul Ilminnafik, Mahros Darsin, Danang Yudistiro, Hari Arbiantara Basuki, Robertoes Koekoeh Koentjoro Wibowo, Ahmad Syuhri, and Sumarji Sumarji

https://doi.org/10.17977/um016v8i22024p476

pp. 476 - 487

The Effect of Mixing Time and Rotation Speed on the Consistency of Dough Viscosity in a Horizontal Mixer
Muhammad Akhlis Rizza, Ekky Yovianto Dharsono, Anggit Murdani, Ratna Monasari, Radhi Nurvian Amrullah, Supa Kusuma Aji, and Dian Noorvy Khaerudin

https://doi.org/10.17977/um016v8i22024p460

pp. 460 - 475

Analysis of Titanium Mesh Ti6Al4V Formation Using Die Press Forming Machine for Cranioplasty
Ahmad Ayyub Syaiful Rizal, Mahros Darsin, Robertoes Koekoeh K. Wibowo, and Khairul Anam

https://doi.org/10.17977/um016v8i22024p445

pp. 445 - 459

Impact of Natural Polymer Proportions on the Fire-Retardant Properties of Bioplastics
I Gusti Ngurah Nitya Santhiarsa, Ni Made Dwidiani, I Gusti Ngurah Putu Tenaya, and I Gede Artha Negara

https://doi.org/10.17977/um016v8i22024p434

pp. 434 - 444

The Role of Banana Peel Surface Pores through Increasing Temperature for Efficient Hydrogen Production
Abid Fahreza Alphanoda, Erlanda Augupta Pane, Agus Riyanto, and Avita Ayu Permanasari

https://doi.org/10.17977/um016v8i22024p421

pp. 421 - 433

Synthesis and In Vitro Testing of Mg-6Zn-xHAp Biocomposites from Beef Bone as Biodegradable Bone Implant Material
Jojor Lamsihar Manalu, Francisca Tjhay, Theodora Kristoforus, and Sovian Aritonang

https://doi.org/10.17977/um016v8i22024p410

pp. 410 - 420

Characterization of Hydroxyapatite Derived from Scallop Shell Waste Synthesized by Sonochemical Method with Different Temperature Calcination
Diki Dwi Pramono, Poppy Puspitasari, Aminnudin Aminnudin, and Jeefferie Abd Razak

https://doi.org/10.17977/um016v8i22024p400

pp. 400 - 409

Captivating Combustion Traits of Bio-Oil Droplets Enriched with Bio-Additives from the Areca Shell Waste
Muhammad Alif Raehan, Helen Riupassa, and Hendry Y. Nanlohy

https://doi.org/10.17977/um016v8i22024p384

pp. 384 - 399

The Potential of Ramie Fiber as Reinforcement in Calcium Carbonate-Filled Polyester Resin Matrix Composites for Roofing Applications
Reinaldo Reinaldo and Djoko Setyanto

https://doi.org/10.17977/um016v8i22024p363

pp. 363 - 383

Study on Thermal-Fluid-Solid Coupling Characteristics for Helicopter Intermediate Spiral Bevel Gear Reducer
Dongping Sheng, Jie Yang, and Chun Su

https://doi.org/10.17977/um016v8i22024p345

pp. 345 - 362

Characterization and Performance Nanofiltration Membranes in Water Quality for Goldfish (Carassius auratus) Aquaculture
Inpita Casuarina Eqisetia Utari, Uun Yanuhar, Asus Maizar Suryanto Hertika, Heru Suryanto, Jibril Maulana, Nico Rahman Caesar, Mahrus Ismail, and Leong-Seng Lim

https://doi.org/10.17977/um016v8i22024p332

pp. 332 - 344

Analysis of Biomass Briquette Mixed Bagasse and Sugarcane Peel on the Performance of Forced Top-Lit Updraft Gasifier Stove
Intan Hardiatama, Aron Enruico, Yuni Hermawan, Muhammad Trifiananto, and Skriptyan N.H. Syuhri

https://doi.org/10.17977/um016v8i22024p322

pp. 322 - 331

Structural Simulation of Wheelchair Ramp using Finite Element Method
Bhre Wangsa Lenggana, Agung Nugroho, and Ubaidillah Ubaidillah

https://doi.org/10.17977/um016v8i22024p306

pp. 306 - 321

Innovations in Additive Manufacturing for Socket Fabrication: An Overview
Linda Ziyadatul Faiza, Wahyu Caesarendra, and Wahyu Dwi Lestari

https://doi.org/10.17977/um016v8i22024p287

pp. 287 - 305

Analysis of Tidal Energy Potential in the Merauke Papua River Waters Indonesia
Peter Sahupala and Daniel Parenden

https://doi.org/10.17977/um016v8i22024p274

pp. 274 - 286

Innovative Approaches for Improving ORC Performance: A Review of Pure Fluids, Zeotropic Mixtures, and Nanoparticles
Ebenezer Kumi, Vasudevarao Veeredhi, and Christopher Enweremad

https://doi.org/10.17977/um016v8i22024p253

pp. 253 - 273

Turbine Engine Reliability Analysis Using Reliability Availability Maintainability (RAM)
Oyong Novareza, Zefry Darmawan, Nasir Widha Setyanto, and Effendi Bin Mohamad

https://doi.org/10.17977/um016v8i22024p240

pp. 240 - 252

Simulation-based Methodology to Investigate the Impact of Material Type and Compressive Speed Variation on Effective Strain Rate and Springback
Radhi Nurvian Amrullah, Syamsul Hadi, and Muhammad Akhlis Rizza

https://doi.org/10.17977/um016v8i22024p229

pp. 229 - 239

Mechanical Properties of Corner Lap-45 Types Joined Using Friction Stir Welding
Widia Setiawan, Nugroho Santoso, Felixianus Eko Wismo Winarto, Radhian Krisnaputra, Wirawan Widya Mandala, and Jibril Maulana

https://doi.org/10.17977/um016v8i12024p178

pp. 178 - 186

Study of a Remote Wind Resource Assessment System Integrated with Internet of Things
Filian Arbiyani, Filbert Filbert, and Anthony Nathanael Theo

https://doi.org/10.17977/um016v8i12024p215

pp. 215 - 228

Heuristic Approach to Comparing the Environmental Impacts of Carbon Nanotube Production Methods
Ahmad Atif Fikri, Irham Fadlika, Albarrobi Nabila Saeful, Krisna Dwipa Muhdi, Daniel Febrian Pratama, and Nasir Garba Bello

https://doi.org/10.17977/um016v8i12024p199

pp. 199 - 214

Durability of Thermoplastic Polyurethane Round Belt Joint with Variations in Heating Methods and Cutting Shapes
Achmad Sabilarrosyad Prawiro Kusumo and Anggit Murdani

https://doi.org/10.17977/um016v8i12024p187

pp. 187 - 198

Crashworthiness and Deformation Pattern Analysis of Single and Double Wall with Addition Infill Structure
Redyarsa Dharma Bintara, Moch. Agus Choiron, Yahya Zakariya, M. Hasbi Ash Shiddieqy, and Fajar Adi Pratama

https://doi.org/10.17977/um016v8i12024p168

pp. 168 - 177

Pyrolysis Kinetics of Spirulina platensis and Non-condensable Gas Product Distribution in a Fixed-Bed Reactor
Ahmad Yusril Aminullah, Sukarni Sukarni, Retno Wulandari, and Muhammad Shahbaz

https://doi.org/10.17977/um016v8i12024p151

pp. 151 - 167

Performance Enhancement of Dye Sensitized Solar Cell (DSSC) through TiO2/rGO Hybrid: Comprehensive Study on Synthesis and Characterization
Rustan Hatib, Khairil Anwar, Ramang Magga, Muh Anjas Astak, Denny Widhiyanuriyawan, and Wardoyo Wardoyo

https://doi.org/10.17977/um016v8i12024p138

pp. 138 - 150

Comparative Analysis of the Effect Dual Spark Ignition and Single Spark Ignition on Performance and Exhaust Emissions in Bioethanol-Fueled Engines
Avita Ayu Permanasari, Ahmad Faizal Wahidin, Hasan Ismail, Erwin Komara, Poppy Puspitasari, and Gina A. Lorenzo

https://doi.org/10.17977/um016v8i12024p123

pp. 123 - 137

Computational Fluid Dynamics Analysis of Temperature Distribution in Solar Distillation Panel with Various Flat Plate Materials
Trismawati Trismawati, Hendry Y. Nanlohy, Helen Riupassa, and Susi Marianingsih

https://doi.org/10.17977/um0168i12024p108

pp. 108 - 122

Analysis of Ballistic Capability in Making Bulletproof Multilayers Using Woven Ramie Fiber, Hardfacing Metal with Epoxy Matrix for Bulletproof Vests
Rizal Wahyu Permana, Syamsul Hadi, and Bima Cahya Maula Dana

https://doi.org/10.17977/um016i12024p092

pp. 92 - 107

Effect of Addition Titanium Dioxide Nanoparticle on Properties of Pineapple Leaf Fiber Mediated TEMPO Oxidation
Rahmad Ikrom Ramadhan, Heru Suryanto, Ahmad Atif Fikri, Aminnudin Aminnudin, Jibril Maulana, Faqih Fadillah, Mohamed T. Mito, and Kemal Masera

https://doi.org/10.17977/um0168i12024p082

pp. 82 - 91

Analysis of Avgas Fuel Spraying Schemes Using the ANSYS Application Approach
Dimas Endrawan Putra, Nasrul Ilminnafik, M Fahrur Rozy Hentihu, Muh. Nurkoyim Kustanto, Danang Yudistiro, and Skriptyan N.H. Syuhri

https://doi.org/10.17977/um016v8i12024p071

pp. 71 - 81

Simulation of the Performance of Kevlar Impregnated Shear Thickening Fluid Ballistic Test Results
Ridwan Prasetya, Andoko Andoko, and Suprayitno Suprayitno

https://doi.org/10.17977/um016v8i12024p054

pp. 54 - 70

A Review of Fault Detecting Devices for Belt Conveyor Idlers
Fahad Alharbi and Suhuai Luo

https://doi.org/10.17977/um016v8i12024p039

pp. 39 - 53

Static and Modal Analysis of a Box Structured Satellite Deployment Mechanism with Self-Actuated Torsion Joint
Dongping Sheng, Renzhe Ma, and Chun Su

https://doi.org/10.17977/um016v8i12024p027

pp. 27 - 38

Evolution of Residual Stress, Crystal Orientation, and Texture on Preheating Weld Treatment of Low Carbon Steel ASTM A572 Grade 42
Suratno Adi Saputro, Andoko Andoko, and Poppy Puspitasari

https://doi.org/10.17977/um016v8i12024p015

pp. 15 - 26

Metal Casting Furnace Design Development Using Computer Simulation
Ramadhan Wahyu Irianto, Yanuar R.A. Pradana, and Suprayitno Suprayitno

https://doi.org/10.17977/um016v8i12024p001

pp. 1 - 14

Mechanical Characterization of NaOH-Treated Agel Fiber-Cotton Composites
I Gusti Ngurah Nitya Santhiarsa, I Gusti Bagus Wijaya Kusuma, and I Gede Artha Negara

https://doi.org/10.17977/um016v7i22023p214

pp. 214 - 223

The Effect of Adding Aluminium on the Performance of ZnO NRs/PANi in Their Application as Photoelectrochemical Water Splitting
Eprilia Trikusuma Sari, Nandang Mufti, Anissa Chairani Alfin Nadhira, Hari Wisodo, and Markus Diantoro

https://doi.org/10.17977/um016v7i22023p202

pp. 202 - 213

Artificial Neural Network-Based Modeling of Performance Spark Ignition Engine Fuelled with Bioethanol and Gasoline
Susi Marianingsih, Farhanna Mar’i, and Hendry Y. Nanlohy

https://doi.org/10.17977/um016v7i22023p190

pp. 190 - 201

Photocatalytic Scheme with External Magnetic Field on Coffee Waste in Hydrogen Production
Abid Fahreza Alphanoda, Eko Prasetyo, and Wisnu Broto

https://doi.org/10.17977/um016v7i22023p181

pp. 181 - 189

Vertical Shaft Kinetic Turbine Performance Using A Cup-Shape Blade
Kennie A. Lempoy, Nita C. V. Monintja, and Arwanto M. A. Lakat

https://doi.org/10.17977/um016v7i22023p170

pp. 170 - 180

Heat Conduction in Cylindrical Coordinates with Time-Varying Conduction Coefficients: A Practical Engineering Approach
Lulut Alfaris, Ruben Cornelius Siagian, Aldi Cahya Muhammad, Ukta Indra Nyuswantoro, and Budiman Nasution

https://doi.org/10.17977/um016v7i22023p157

pp. 157 - 169

Effect of Heating Temperature, Holding Time and Stabilization Temperature on the Al-Foam Properties
Dewi Puspitasari, Poppy Puspitasari, Mazli Mustapha, and Turnad Lenggo Ginta

https://doi.org/10.17977/um016v7i22023p147

pp. 147 - 156

Effect of the Homogenization Process on Titanium Oxide-Reinforced Nanocellulose Composite Membranes
Taufiq Mahsuli, Aisyah Larasati, Aminnudin Aminnudin, and Jibril Maulana

https://doi.org/10.17977/um016v7i22023p137

pp. 137 - 146

Analysis of Structure and Functional Group of Filament Product-Based PLA/Nanographite Nanocomposite
Heru Suryanto, Aminnudin Aminnudin, Redyarsa Dharma Bintara, Abyan Farras Putra, Fikri Munif Nashrullah, Joseph Selvi Binoj, and Nithin Panicker

Analyzing Transition Metallic Catalytic Converter Impact on Four-Stroke Motorcycle Fuel Consumption
Sudirman Rizki Ariyanto, Ata Syifa’ Nugraha, Wahyu Robby Cahyadi, Yelma Dianastiti, and Muhammad Yandi Pratama

https://doi.org/10.17977/um016v7i22023p119

pp. 119 - 128

Numerical Study on Resistance of Stepped Planing Hull
Fajri Ashfi Rayhan, Andika Masrul, Arya Khairullah Akbar, and Bima Anugerah Putra

https://doi.org/10.17977/um016v7i22023p106

pp. 106 - 118

Study on Effect of 3D Printing Parameters on Surface Roughness and Tensile Strength Using Analysis of Variance
Faqih Fadillah, Heru Suryanto, and Suprayitno Suprayitno

https://doi.org/10.17977/um016v7i22023p096

pp. 96 - 105

Effect of Temperature Variations of Corn (Maize) Oil Biodiesel on Torque Values and Thermal Efficiency of Diesel Engines
Suardi Suardi, Rodlian Jamal Ikhwani, and Ade Putri Rezki Aulia

https://doi.org/10.17977/um016v7i12023p087

pp. 87 - 95

Analysis of Fire and Smoke Spread in Ki Hajar Dewantara Auditorium, State University of Jakarta, Using Fire Dynamics Simulator
Pratomo Setyadi and Ariq Harits Arrizq

https://doi.org/10.17977/um016v7i12023p076

pp. 76 - 86

The Effect of Cutting Speed of Nitrogen Laser Cutting on the Surface Texture of SUS 304 Plate
Yanuar Rohmat Aji Pradana, Raka Afrianto, Chandra Hairat Abdul Rahman, and Andoko Andoko

https://doi.org/10.17977/um016v7i12023p066

pp. 66 - 75

Designing a NAABSA Class Tanker Ship with Bottom Protection from Ground
Victor A. Kulesh, Mathias B. Prasetio, and Fam Chung Hiep

https://doi.org/10.17977/um016v7i12023p059

pp. 59 - 65

Lap Joint on St.37 Steel Plate with Friction Welding Clamping Method
Widia Setiawan, Nugroho Santoso, Wiyadi Wiyadi, Muhammad Sulistiyo Aji, Rachmat Alamin, and Achsan Tarmudi

https://doi.org/10.17977/um016v7i12023p047

pp. 47 - 58

Effect of Current and Pulse-on Time on Material Removal Rate and Surface Roughness of Tungsten Carbide in Electric Discharge Machine Die-sinking
Mochamad Deny Riyanto, Andoko Andoko, and Heru Suryanto

https://doi.org/10.17977/um016v7i12023p039

pp. 39 - 46

The Combustion Characteristics of Calophyllum inophyllum Fuel in the Presence of Magnetic Field
Imam Rudi Sugara, Nasrul Ilminnafik, Salahuddin Junus, Muh Nurkoyim Kustanto, and Yuni Hermawan

https://doi.org/10.17977/um016v7i12023p028

pp. 28 - 38

Synthesis and Characterization of Nitrogen-Doped Activated Carbon for Lithium Battery Anode Applications
Prihanto Trihutomo, Poppy Puspitasari, Muhammad Bustomi Radja, and Milzam Rahmat Busono

https://doi.org/10.17977/um016v7i12023p020

pp. 20 - 27

Effect of Grafting Nano-TiO2 on Sansevieria cylindrica Fiber Properties
Chrisrulita Sekaradi Wiguna, Heru Suryanto, Aminuddin Aminuddin, Jibril Maulana, Joseph Selvi Binoj, and Alamry Ali

https://doi.org/10.17977/um016v7i12023p010

pp. 10 - 19

Mechanical Properties of Biocomposite with Various Composition of CaCO3 and Starch
Agris Setiawan, Fransisca Diana Wahyuningsih, and Riria Zendy Mirahati

https://doi.org/10.17977/um016v7i12023001

pp. 1 - 9

Effect of Graphene Addition on Bacterial Cellulose-Based Nanocomposite
Jibril Maulana, Heru Suryanto, and Aminnudin Aminnudin

https://doi.org/10.17977/um016v6i22022p107

pp. 107 - 118

True Stress-Strain Behavior of Al-based Cast Automotive Alloy Under Different Ageing Conditions and the Effect of Trace Zr
Mashiur Rahman Shoummo, Akib Abdullah Khan, and Mohammad Salim Kaiser

https://doi.org/10.17977/um016v6i22022p095

pp. 95 - 106

Study on Predictive Maintenance of V-Belt in Milling Machines Using Machine Learning
Reza Aulia Rahman, Mohammad Faishol Erikyatna, and Achmad Fauzan Hery Soegiharto

https://doi.org/10.17977/um016v6i22022p085

pp. 85 - 94

The Effect of Nozzle Temperature, Infill Geometry, Layer Height and Fan Speed on Roughness Surface in PETG Filament
Doohan Taqdissillah, Aris Zainul Mutaqqin, Mahros Darsin, Dedi Dwilaksana, and Nasrul Ilminnafik

https://doi.org/10.17977/um016v6i22022p074

pp. 74 - 84

Investigate the Potential Renewable Energy of Microalgae Spirulina sp Using Proximate Analyzer, SEM-EDX, and Thermogravimetry
Yahya Zakaria, Sukarni Sukarni, Poppy Puspitasari, Nandang Mufti, Samsudin Anis, and Anwar Johari

https://doi.org/10.17977/um016v6i22022p066

pp. 66 - 73

Backpack Effects on Two-Dimensional Gait Spatiotemporal and Kinematic Parameters
Nardo Rizaldy, Alvin Alvin, Wirawan Lingga, Ethan B.W. Goeij, and F. Ferryanto

https://doi.org/10.17977/um016v6i22022p057

pp. 57 - 65

Gasohol Engine Performance with Various Ignition Timing
Hendry Y. Nanlohy, Suyatno Suyatno, Helen Riupassa, Marthina Mini, Trismawati Trismawati, and Mebin Panithasan

https://doi.org/10.17977/um016v6i12022p048

pp. 48 - 55

Machine Vision for the Various Road Surface Type Classification Based on Texture Feature
Susi Marianingsih, Widodo Widodo, Marla Sheilamita S. Pieter, Evanita Veronica Manullang, and Hendry Y. Nanlohy

https://doi.org/10.17977/um016v6i12022p040

pp. 40 - 47

Effect of Homogenization Pressure on Bacterial Cellulose Membrane Characteristic Made from Pineapple Peel Waste
Muhamad Muhajir, Heru Suryanto, Yanuar Rohmat Aji Pradana, and Uun Yanuhar

https://doi.org/10.17977/um016v6i12022p034

pp. 34 - 39

Effect of Variation of SiC Mass Fraction on Mechanical Properties of Al-SiC Composite Using Stir Casting Method
Sumarji Sumarji, Naufal Fardio Albajili, Mahros Darsin, Rahma Rei Sakura, and Andi Sanata

https://doi.org/10.17977/um016v6i12022p023

pp. 23 - 33

Surface Quality of Fe, Ni and Cr added Hyper-eutectic Al-Si Automotive Alloys under Up-milling and Down-milling Operation
Akib Abdullah Khan, Mashiur Rahman Shoummo, and Mohammad Salim Kaiser

https://doi.org/10.17977/um016v6i12022p009

pp. 9 - 22

Passive Prosthetic Ankle Design Based on Indonesian Anthropometry
Wahyu Dwi Lestari

https://doi.org/10.17977/um016v6i12022p001

pp. 1 - 8

Spray Characteristics at Preheating Temperatur of Diesel-Biodiesel-Gasoline Fuel Blend
Moch. Miftahul Arifin, Nasrul Ilminnafik, and Agus Triono

https://doi.org/10.17977/um016v5i22021p135

pp. 135 - 144

Characterization of Bacterial Nanocellulose - Graphite Nanoplatelets Composite Films
Bili Darnanto Susilo, Heru Suryanto, and Aminnudin Aminnudin

https://doi.org/10.17977/um016v5i22021p145

pp. 145 - 154

Study of Methanol and Ethanol Absorption on Vacuum Temperature of Adsorption Cooling Machine Adsorption Cycle
Jhon Sufriadi Purba and Jandri Fan HT. Saragi

https://doi.org/10.17977/um016v5i22021p123

pp. 123 - 134

Wear Property of Machined Ultra High Molecular Weight Polyethylene (UHMWPE) Acetabular Liner Product with CNC Milling
W D. Lestari, A T. Danaryanto, A Nugroho, R Ismail, J Jamari, and A P. Bayuseno

https://doi.org/10.17977/um016v5i22021p110

pp. 110 - 122

Implementation of Internet of Things (IoT) in a Plastic Blow Moulding Machine and Its Performance Measurement
Muhammad F. Faqih, Mahros Darsin, Aris Z. Muttaqin, and Danang Yudistiro

https://doi.org/10.17977/um016v5i22021p096

pp. 96 - 109

Effect of Variations in Pyrolysis Reactor With Glass Wool Equipped and Without Glass Wool on the Weight of the Oil Produced
I Gusti Ngurah Nitya Santhiarsa

https://doi.org/10.17977/um016v5i22021p089

pp. 89 - 95

Comparative Studies on Combustion Characteristics of Blended Crude Jatropha Oil with Magnetic Liquid Catalyst and DEX under Normal Gravity Condition
Hendry Y. Nanlohy

https://doi.org/10.17977/um016v5i22021p079

pp. 79 - 88

Design of Shielded Metal Arc Welding Parameters For Optimum Tensile Strength Using Taguchi Method
Moh. Dedy Setiawan, Yanuar Rohmat A. P. Pradana, and Suprayitno Suprayitno

https://doi.org/10.17977/um016v5i22021p073

pp. 73 - 78

The Effect of Multi-Extrusion Process of Polylactic Acid on Tensile Strength and Fracture Morphology of Filament Product
Muhamad Syaifuddin, Heru Suryanto, and Suprayitno Suprayitno

https://doi.org/10.17977/um016v5i12021p062

pp. 62 - 72

Camshaft Failure Simulation with Static Structural Approach
Riduwan Prasetya, Andoko Andoko, and Suprayitno Suprayitno

https://doi.org/10.17977/um016v5i12021p047

pp. 47 - 61

Effect of DCRP and DCSP Polarity on the Depth of Penetration of SMAW on Low Carbon Steel ASTM A36 Using E7018 Electrode
Ma'mun Hidayat, Helleni Febnesia, and Sulaeman Deni Ramdani

https://doi.org/10.17977/um016v5i12021p037

pp. 37 - 46

The Effect of Thickness and Type of Material on the Sheared Edge Characteristics of Keychain Cranioplasty Plate Blanking Product Using Eccentric Press Machine
Didin Zakariya Lubis, Lea Rachmat Indrasepta, Redyarsa Dharma Bintara, Rizky Ramadhan, and Agung Budi Darmawan

https://doi.org/10.17977/um016v5i12021p029

pp. 29 - 35

Evaluating Storage and Effective Moduli of In Situ Polymerised and Melt Extruded PA6 Graphite (G) Composites
Muneer Umar, Michael Ikpi Ofem, Auwal Sani Anwar, and Muhammad Murtala Usman

https://doi.org/10.17977/um016v5i12021p017

pp. 17 - 28

Electrochemical Corrosion Properties of Ternary Al and Quaternary Zr Added Bell Metal in 0.1M NaCl Solution
Sakib Al Razi Khan, Mohammad Ashfaq Hossain, Maglub Al Nur, and Mohammad Salim Kaiser

https://doi.org/10.17977/um016v5i12021p001

pp. 1 - 16

Moisture Reduction of Honey in Dehumidification and Evaporation Processes
Anang Lastriyanto, Sasongko Aji Wibowo, Erwan Erwan, Firman Jaya, Jati Batoro, Dewi Masyithoh, and J.S.A Lamerkabel

https://doi.org/10.17977/um016v4i22020p153

pp. 153 - 163

Tool Life Prediction of Ti [C,N] Mixed Alumina Ceramic Cutting Tool Using Gradient Descent Algorithm on Machining Martensitic Stainless Steel
Joseph Daniel S and Senthil Kumar A

https://doi.org/10.17977/um016v4i22020p144

pp. 144 - 152

New Design of Aluminum 6061 Welding Joining Using Friction Stir Welding Method
Widia Setiawan, Nugroho Santoso, and Surojo Surojo

https://doi.org/10.17977/um016v4i22020p135

pp. 135 - 143

Design of Savonius Vertical Axis Wind Turbine for Vehicle
Filian Arbiyani and Fernando Pranata Lasut

https://doi.org/10.17977/um016v4i22020p125

pp. 125 - 134

Surface Properties and Adsorption Capacities of Rice Bran-Activated Carbon
Dewa Ngakan Ketut Putra Negara, Tjokorda Gde Tirta Nindhia, and Wayan Nata Septiadi

https://doi.org/10.17977/um016v4i22020p115

pp. 115 - 124

Optimization of Stir Casting of Aluminum Matrix Composites (AMCs) with Filler of Recycled Glass Powder (RGP) for The Mechanical Properties
Yusup Hendronursito, Tumpal Ojahan, Anang Anshori, and Asep Yunanto

https://doi.org/10.17977/um016v4i22020p101

pp. 101 - 114

Characteristics Biolubricant Enriched with Nanoparticle Additives: a Review
Zhahra Hanif Sholiha and Gaguk Jatisukamto

https://doi.org/10.17977/um016v4i22020p091

pp. 91 - 100

Energy and Exergy Efficiency of Double Slope Passive Solar Still
Jandri Fan HT Saragi and Wawan Septiawan Damanik

https://doi.org/10.17977/um016v4i22020p082

pp. 82 - 90

The Effect of Guide Vane Opening Variations and Total Blades on Cross Flow Turbine Performance Using Computational Fluid Dynamic
Muhamad Akbar Navis, Heru Suryanto, and Putut Murdanto

https://doi.org/10.17977/um016v4i22020p072

pp. 72 - 81

The Effect of Solution Treatment Temperature and Quenching Media Variation in Heat Treatment Process Cu-Zn-Al Shape Memory Alloys on Shape Memory Effect and Microstructures
Wikan Jatimurti, Monica Gayatri K, Mavindra Ramadhani, and Rochman Rochiem

https://doi.org/10.17977/um016v4i12020p061

pp. 61 - 71

Hardness Evaluation on SS 316L Joined with Gas Tungsten Arc Welding Under Constant Heat Treatment
Duwi Leksono and Imam Sudjono

https://doi.org/10.17977/um016v4i12020p054

pp. 54 - 60

Performance Enhancement of Shell and Tube Heat Exchanger on Parallel Flow with Single Segmental Baffle
Avita Ayu Permanasari, Poppy Puspitasari, Sukarni Sukarni, and Retno Wulandari

https://doi.org/10.17977/um016v4i12020p043

pp. 43 - 53

The Effect of Heat Treatment to the Erosion Rate of Brass Composite
Aminnudin Aminnudin and Solichin Solichin

https://doi.org/10.17977/um016v4i12020p037

pp. 37 - 42

The Influence of the Reference Area of Aileron on the N2XX Aircraft Using Computational Fluid Dynamics
Siti Nur Rahmah, Gaguk Jatisukamto, and Hary Sutjahjono

https://doi.org/10.17977/um016v4i12020p028

pp. 28 - 36

Physical Behavior of Thermally Affected Bronze and Brass
Samiul Kaiser and Mohammad Salim Kaiser

https://doi.org/10.17977/um016v4i12020p001

pp. 1 - 13

Characteristic Analysis of Horizontal Axis Wind Turbine Using Airfoil NACA 4712
Bili Darnanto Susilo, Gaguk Jatisukamto, and Nurkoyim Kustanto

https://doi.org/10.17977/um016v3i22019p096

pp. 96 - 108

Failure Analysis on Titen Proto-XX Car Chassis
Gaguk Jatisukamto, Rika Dwi Hidayatul Qoryah, and Santoso Mulyadi

https://doi.org/10.17977/um016v3i22019p088

pp. 88 - 95

Critical Solid Fraction Point Analysis: Case Study on Cement Mill Machine Diaphragm
Mochamad Achyarsyah and Poppy Puspitasari

https://doi.org/10.17977/um016v3i22019p081

pp. 81 - 87

The Flame Characteristics of Diesel Fuel Blend with Kepuh (Sterculia foetida) Biodiesel
Dani Hari Tunggal Prasetiyo, Nasrul Ilminnafik, and Salahuddin Junus

https://doi.org/10.17977/um016v3i22019p070

pp. 70 - 80

The Effect of Chlorophyll Concentration from Papaya Leaves on the Performance of Dye-Sensitized Solar Cell
Dede Rizali, Heru Suryanto, and Sukarni Sukarni

https://doi.org/10.17977/um016v3i22019p059

pp. 59 - 69

Synthesis and Applications of Hematite α-Fe2O3 : a Review
Muhamad Muhajir, Poppy Puspitasari, and Jeefferie Abdul Razak

https://doi.org/10.17977/um016v3i22019p051

pp. 51 - 58

Elastic Linear Analysis of Connecting Rods for Single Cylinder Four Stroke Petrol Engines Using Finite Element Method
Didin Zakariya Lubis and Andoko Andoko

https://doi.org/10.17977/um016v3i12019p042

pp. 42 - 50

The Characteristic of Overhang Object to Material Usage on FDM 3D Printing Technology
Redyarsa Dharma Bintara, Aminnudin Aminnudin, Zumrotul Ida, Ferian Rizki Arbianto, and Dani Prasetiyo

https://doi.org/10.17977/um016v3i12019p035

pp. 35 - 41

Comparison Study of Mechanical Properties of Al-Si Alloy with and without Nanoreinforce Iron Oxide (Fe2O3)
Cepi Yazirin, Poppy Puspitasari, and Muhamad Fatikul Arif

https://doi.org/10.17977/um016v3i12019p029

pp. 29 - 34

Study on The Thermal Distortion, Hardness, and Microstructure of St 37 Steel Plate Joined Using FCAW
Maijuansyah Maijuansyah, Yanuar Rohmat Aji Pradana, Gaguk Jatisukamto, and Solichin Solichin

https://doi.org/10.17977/um016v3i12019p018

pp. 18 - 28

The Effect of Chemical Pretreatment Process on Mechanical Properties and Porosity of Bacterial Cellulose Film
Tito Arif Sutrisno, Heru Suryanto, Retno Wulandari, M. Muhajir, and Shikh Mohd Shahrul Nizan Shikh Zahari

https://doi.org/10.17977/um016v3i12019p008

pp. 8 - 17

Preparation of Chitosan-Polyethylene Oxide-Colocasia esculenta Flour Nanofibers using Electrospinning Method
Riesca Ayu Kusuma Wardhani, Lia Asri, Muhamad Nasir, and Bambang Sunendar Purwasasmita

https://doi.org/10.17977/um016v3i12019p001

pp. 1 - 7

The Analysis of Permeability and Mechanical Properties of Sand Moulding Using Mixed Material Clamshell (Placuna placenta) on Sand Casting
Kritchakhris Nawettanaprasert, Zakaria Bagus Aminanta, and Putut Murdanto

https://doi.org/10.17977/um016v2i12018p085

pp. 85 - 89

Analysis of Mechanical Properties and Permeability of Sand Moulding by Using Eggshell in Sand Casting
Wahyu Kurnianto, Poppy Puspitasari, and Wahono Wahono

https://doi.org/10.17977/um016v2i12018p079

pp. 79 - 84

Analysis of Hardness, Quality and Fluidity Al-Si Casting Result by Using Clamshell (Placuna placenta) as The Mixture of Sand Moulding
Shikh Mohd Shahrul Nizan Shikh Zahari, Saif Aziz Saputra, and Putut Murdanto

https://doi.org/10.17977/um016v2i12018p074

pp. 74 - 78

Analysis of Casting Defect, Tensile Strength, and Hardness of Al-Si Casting Alloy with Percentage Variation of Clay Binder Bangkalan
Imam Muhtarom and Sunomo Sunomo

https://doi.org/10.17977/um016v2i12018p043

pp. 43 - 49

The Effect of Rotational Speed, Friction Duration, and Pressure on Tensile Strength of AISI 6061 Welding Joints
Dewi Puspitasari, Poppy Puspitasari, M. Rizka Gita Firmansyah, and Solichin Solichin

https://doi.org/10.17977/um016v2i12018p038

pp. 38 - 42

Effect of MnFe2O4 Nanoparticles to Reduce CO and HC Levels on Vehicle Exhaust Gas Emissions
Poppy Puspitasari, Sukarni Sukarni, and Amir Hamzah

https://doi.org/10.17977/um016v2i12018p027

pp. 27 - 37

Properties of Cassava Starch based Bioplastic Reinforced by Nanoclay
Nanang Eko Wahyuningtiyas and Heru Suryanto

https://doi.org/10.17977/um016v2i12018p020

pp. 20 - 26

Pine Flower Waste Innovation As A Plant Based Program Augmented Reality
Ayik Bela Saputra, Imam Muhtarom, Ni’matul Rochmaniyah, Ardhana Iswari Citra Padmi, and Ika Rahmawati

https://doi.org/10.17977/um016v2i12018p013

pp. 13 - 15

Mechanical Properties and Permeability of Sand Casting Moulds with Eggshells Binder
Maryam Sharifi Jebeli Sharifi Jebeli, Wahyu Kurnianto, and Wahono Wahono

https://doi.org/10.17977/um016v2i12018p007

pp. 7 - 12

Damage Simulation of Pre-Forming V-Neck Plates with Variations in Material Type, Time and Temperature Using the Taguchi Method
Avita Ayu Permanasari, Rr. Poppy Puspitasari, Kevin Valiant Cahya, and Mahfud Ihsan

https://doi.org/10.17977/um016v2i12018p001

pp. 1 - 6

Compositional and Structural Evolution during Ball Milling of Ti-based Metallic Glass Powder
Yanuar Rohmat Aji Pradana

https://doi.org/10.17977/um016v1i22017p100

pp. 100 - 106

Properties of Brass under Different Pouring Temperatures in Sand Casting Process
Poppy Puspitasari, Avita Ayu Permanasari, Andoko Andoko, and Bayu Angga Pratama

https://doi.org/10.17977/um016v1i22017p095

pp. 95 - 99

Modeling of Antenna for Deep Target Hydrocarbon Exploration
Nadeem Nasir, Noorhana Yahya, Hasnah Mohd Zaid, Afza Shafie, and Norhisham Hamid

https://doi.org/10.17977/um016v1i22017p078

pp. 78 - 94

Thermogravimetric and Kinetic Analysis of Cassava Starch Based Bioplastic
Nanang Eko Wahyuningtiyas, Heru Suryanto, Eddy Rudiyanto, Sukarni Sukarni, and Poppy Puspitasari

https://doi.org/10.17977/um016v1i22017p069

pp. 69 - 77

Development of a Ferrite-Based Electromagnetic Wave Detector
Muhammad Hanis Bin Zakariah, Poppy Puspitasari, and Nur Azliza Ahmad

https://doi.org/10.17977/um016v1i22017p061

pp. 61 - 68

Blanking Clearance and Punch Velocity Effects on The Sheared Edge Characteristic in Micro-Blanking of Commercially Pure Copper Sheet
Didin Zakariya Lubis and Ichsan Ristiawan

https://doi.org/10.17977/um016v1i22017p053

pp. 53 - 60

Formula of Moulding Sand, Bentonite and Portland Cement to Improve The Quality of Al-Si Cast Alloy
Andoko Andoko, Poppy Puspitasari, Avita Ayu Permanasari, and Didin Zakaria Lubis

https://doi.org/10.17977/um016v1i22017p049

pp. 49 - 52

Effect of Magnetic Field on Diesel Engine Power Fuelled with Jatropha-Diesel Oil
Sukarni Sukarni, Partono Partono, Deni Krisdianto, and Retno Wulandari

https://doi.org/10.17977/um016v1i12017p044

pp. 44 - 48

Utilization Of Carbon Nanotubes In Electromagnetic Wave Detectors
Muhammad Hanis Zakariah and Poppy Puspitasari

https://doi.org/10.17977/um016v1i12017p038

pp. 38 - 43

The Strength of Moulding Sand Consisting of a Mixture of Bentonite, Tapioca Flour, and Sago Flour as a New Binder Formula to Improve the Quality of Al-Si Cast Alloy
Andoko Andoko, Riana Nurmalasari, M. Alfian Mizar, Retno Wulandari, Poppy Puspitasari, and Avita Ayu Permanasari

https://doi.org/10.17977/um016v1i12017p032

pp. 32 - 37

Analysis of Biodegradation of Bioplastics Made of Cassava Starch
Nanang Eko Wahyuningtiyas and Heru Suryanto

https://doi.org/10.17977/um016v1i12017p024

pp. 24 - 31

Optimum Conditions for EOR Using Nanofluids Subjected to EM Waves
Muhammad Kashif and Poppy Puspitasari

https://doi.org/10.17977/um016v1i12017p015

pp. 15 - 23

Factors Affecting the Surface Roughness in Sinking EDM Process
Ahmad Atif Fikri, Maftuchin Romlie, and Aminnudin Aminnudin

https://doi.org/10.17977/um016v1i12017p009

pp. 9 - 14

Analysis of Strength of Glass Fibre Composite Leaf Spring Using Finite Element Method
Andoko Andoko, Poppy Puspitasari, and Avita Ayu Permanasari

https://doi.org/10.17977/um016v1i12017p001

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