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View article: Investigation of discrepancies in isotropic material and structural properties in lattice frameworks
Investigation of discrepancies in isotropic material and structural properties in lattice frameworks Open
Lattice structures have developed as a vital component in advanced engineering applications due to their superior strength-to-weight ratios and adjustable mechanical properties. This paper focuses on examining the correlation between the i…
View article: Development of an Automatic Coupler for Railway Vehicles: A Topology Optimization Approach with Numerical and Experimental Validation
Development of an Automatic Coupler for Railway Vehicles: A Topology Optimization Approach with Numerical and Experimental Validation Open
Topology optimization has demonstrated its effectiveness in generating lightweight and structurally efficient designs. This study focuses on refining the geometry of an automatic coupler body for trains using solid isotropic material with …
View article: Experimental and Numerical Test of Radial Internal Magnetic Spur Gear
Experimental and Numerical Test of Radial Internal Magnetic Spur Gear Open
Magnetic gears have the advantage of low noise compared to mechanical gears because there is no contact between solid materials. However, magnetic gear has the disadvantage of having a lower torque density than mechanical gear. For this re…
View article: Experimental Study of Linear Profile Modification in Spur Gear Leg
Experimental Study of Linear Profile Modification in Spur Gear Leg Open
Gears with the involute profile are assumed to be rigid and good at producing mating gear. They are also deformable and deflectable, indicating additional space is required to avoid interference from the unpredictable shaft, misalignment, …
View article: Multi-Objective Prediction of Drilling EMS-45 with Finite Element, Backpropagation Neural Network, and Metaheuristic Model
Multi-Objective Prediction of Drilling EMS-45 with Finite Element, Backpropagation Neural Network, and Metaheuristic Model Open
Making holes with the minimum thrust force and torque using a drilling machine is challenging for researchers because of the difficulties in setting input parameter such as the type of drill tool, point of angle, and feeding speed. Therefo…
View article: Enhancing S45C steel for the primary component of an automatic coupler using quench-tempering techniques
Enhancing S45C steel for the primary component of an automatic coupler using quench-tempering techniques Open
Coupling links and hooked plates constitute the primary components of automatic couplers in trains, enduring substantial tensile and compressive loads during train connections. This study endeavours to enhance the strength of S45C material…
View article: A study of concave shoulder angle on the mechanical properties and fractography of friction stir welded AA6061-T651 joints
A study of concave shoulder angle on the mechanical properties and fractography of friction stir welded AA6061-T651 joints Open
AA6061-T651 material joints produced by friction stir welding (FSW) were analysed in this study. The analysis was conducted to determine the effect of the concave shoulder angle (CSA) of the tool on mechanical and fractographic properties.…
View article: The Influence of the Tool Concave Shoulder Angle on Heat Generation in the Stir Friction Welding Process with AA6061-T651 Materials
The Influence of the Tool Concave Shoulder Angle on Heat Generation in the Stir Friction Welding Process with AA6061-T651 Materials Open
This study aims to determine the effect of the concave shoulder angle of the FSW tool on heat generation rate and temperature simulation results. The FSW tool used in this study is the FSW tool with straight cylindrical geometry, tapered c…
View article: Friction Stir Welding Process Optimization on 4 Tool pin Geometries with Process Parameters and Shoulder Concave Angle in 6005A-T6 Aluminium Alloy Joining
Friction Stir Welding Process Optimization on 4 Tool pin Geometries with Process Parameters and Shoulder Concave Angle in 6005A-T6 Aluminium Alloy Joining Open
FSW is a welding process which done by movement of tool against the workpiece. Tool is an important part in FSW process because tool generates most of the heat in the FSW process, so the tool material and geometry are important because the…
View article: Performance of Tri-Adhesive Joints to Improve the Shear Stress Distribution of Lap Joints
Performance of Tri-Adhesive Joints to Improve the Shear Stress Distribution of Lap Joints Open
The adhesive lap joints are extensively used in various engineering fields. Various methods were proposed to increase the strength of the lap joint. This paper presents the lap joint's characterization by applying three grades of adhesives…
View article: Synthesis Analysis to Improve Coupling Strength of Automatic Coupler
Synthesis Analysis to Improve Coupling Strength of Automatic Coupler Open
In the design of critical components for railways, especially couplers, it is necessary to pay attention to the strength of the coupling between the couplers with each other. Coupling failure can have fatal consequences in the form of the …
View article: Optimizing regenerative braking on electric vehicles using a model-based algorithm in the antilock braking system
Optimizing regenerative braking on electric vehicles using a model-based algorithm in the antilock braking system Open
The regenerative braking effectiveness of electric vehicles (EVs), with 8-25% range, requires designers to produce better braking systems. The antilock braking system (ABS) was chosen because it offers various advantages, such as enhanced…
View article: Determination of the effect of thickness reduction ratio, die angle, and coefficient of friction on residual stresses in ironing process: an analysis using computer simulation
Determination of the effect of thickness reduction ratio, die angle, and coefficient of friction on residual stresses in ironing process: an analysis using computer simulation Open
Ironing is a part of the group of metal forming processes, the process of reducing the thickness of the wall of a cup-shaped product. External load required to process metal forming, can cause residual stress. Residual stress can be benefi…
View article: Analysis of vibration due to misalignment in the clutch cluster installation of centrifugal pump
Analysis of vibration due to misalignment in the clutch cluster installation of centrifugal pump Open
Knowledge of vibration and the resulting data is very important for maintenance and troubleshooting where this ability can help companies reduce the occurrence of downtime and can increase profits both in terms of production and from a lon…
View article: Influence of asymmetric factor on spur gears to dynamic bending stress
Influence of asymmetric factor on spur gears to dynamic bending stress Open
Asymmetric spur gear is used in one-way rotation transmission. This spur gear has a higher bending strength than symmetric spur gear. In this research, the effect of asymmetrical spur gear level on bending stresses is studied dynamically. …
View article: The effect of epoxy/hardener composition ratio on the young’s modulus of bulk adhesive at high strain rate
The effect of epoxy/hardener composition ratio on the young’s modulus of bulk adhesive at high strain rate Open
This research investigated the effects of resin/hardener ratio to the mechanical behaviors of bulk epoxy adhesive at high strain rate loading using split Hopkinson pressure bar (SHPB) test. The variation of resin/hardener ratio are 2:1, 2:…
View article: The Effect of Variation in the Number of Pole and Air Gap on Torque Density on Radial Magnetic Spur Gear with Magnetic Block
The Effect of Variation in the Number of Pole and Air Gap on Torque Density on Radial Magnetic Spur Gear with Magnetic Block Open
Magnetic gear is an alternative to mechanical gear, where the magnetic gear has the advantages of no noise, minimum vibration, no maintenance required, increased reliability, overload protection capability, no physical contact between gear…
View article: The Effect of Fan Blade Radiator Gas Turbin Generator Angle on Auxiliary Cooling Water System Performance
The Effect of Fan Blade Radiator Gas Turbin Generator Angle on Auxiliary Cooling Water System Performance Open
Auxiliary Cooling Water System (ACWS) on Gas turbine Blok 1 No 3 Muara Karang has declined its reliability because of 4 fan radiators must be operated due to increasing ambient air temperature and increase inspection interval from 8000 to …
View article: The Effect of Fan Blade Radiator Gas Turbin Generator Angle on Auxiliary Cooling Water System Performance
The Effect of Fan Blade Radiator Gas Turbin Generator Angle on Auxiliary Cooling Water System Performance Open
Auxiliary Cooling Water System (ACWS) on Gas turbine Blok 1 No 3 Muara Karang has declined its reliability because of 4 fan radiators must be operated due to increasing ambient air temperature and increase inspection interval from 8000 to …
View article: APPLYING PHOTOELASTICITY WITH OPTICAL MAGNIFICATION METHOD TO INCREASE PRECISION OF DETERMINING FRINGE ORDER UNDER MONOCHROMATIC LIGHT
APPLYING PHOTOELASTICITY WITH OPTICAL MAGNIFICATION METHOD TO INCREASE PRECISION OF DETERMINING FRINGE ORDER UNDER MONOCHROMATIC LIGHT Open
Photoelasticity method was used to measure strain and stress fields to address the precision problem of determining fringe order of loading and cracking and notch areas. In this study, microscope was used as an additional tool in a photoel…
View article: Modeling of the minimum variable blank holder force based on forming limit diagram (FLD) in deep drawing process
Modeling of the minimum variable blank holder force based on forming limit diagram (FLD) in deep drawing process Open
This paper presents the mathematical approach of minimum blank holder force to prevent wrinkling in deep drawing process of the cylindrical cup. Based on the maximum of minor-major strain ratio, the slab method was applied to determine the…
View article: Modeling of the minimum variable blank holder force based on forming limit diagram (FLD) in deep drawing process
Modeling of the minimum variable blank holder force based on forming limit diagram (FLD) in deep drawing process Open
This paper presents the mathematical approach of minimum blank holder force to prevent wrinkling in deep drawing process of the cylindrical cup. Based on the maximum of minor-major strain ratio, the slab method was applied to determine the…
View article: The Comparisson between LBP and SQI Methods in the Surface Roughness Measurement Using ESPI Method
The Comparisson between LBP and SQI Methods in the Surface Roughness Measurement Using ESPI Method Open
Surface roughness measurement using direct contact methods raises several issues, for examples stylus wear and size limitation problems. Furthermore non-contact methods are proposed to solve these problems. One of them is Electronic Speckl…