A novel machine learning-based model for predicting the transition fatigue lifetime in piston aluminum alloys
September 2024
The estimation of transition fatigue lifetimes for piston aluminum alloys was carried out using unsupervised machine learning (ML) with the K-means algorithm. For this purpose, an experimental dataset...
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Distortion analysis in axial ultrasonic assisted milling of Al 7075-T6
September 2024
Dimensional distortion and instability in the milling process of aluminum alloy parts can significantly increase production costs and result in defective parts. Therefore, distortion mitigation has...
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A comparative study on resistance spot and laser beam spot welding of ultra-high strength steel for automotive applications
September 2024
In this study, the effect of resistance spot welding (RSW) and laser beam spot welding (LBSW) processes on evolution of microstructure, load endurance capabilities, heat affected zone (HAZ) softening,...
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Minimizing residual stress and fatigue crack propagation rate of FSW joints of AA2024-T3 by transient thermal tensioning: Effect of heater distance
September 2024
Friction stir welding (FSW) is a solid-state welding process that is suitable for joining hardly weldable metals such as aircraft AA2024-T3 aluminum alloy. Despite FSW owns many advantages, however,...
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Microstructural Analysis and Preliminary Wear Assessment of Wire Arc Additive Manufactured AA 5083 Aluminum Alloy for Lightweight Structures
Available online 19 September 2024
The proliferation of Wire Arc Additive Manufacturing (WAAM) has significantly enhanced the production capabilities for lightweight and structurally robust components. This study investigates the microstructural...
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Design of a test rig for the characterization of friction and wear in hot-metal gas-forming of AA 5083 aluminium sheets
Available online 18 September 2024
Advanced aluminium sheet-forming processes such as the hot-metal gas-forming represent a challenging solution for producing small lots in the high-end car bodies industry, and the adoption of single...
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Achieving High Precision and Productivity in Laser Machining of Ti6Al4V Alloy: A Comprehensive Study using a n-predictor polynomial regression model and PSO algorithm
Available online 10 September 2024
Ti-6Al-4V, the Titanium alloy, has significant utilizations in aerospace, automotive, and marine sectors for its low density and high strength at elevated temperature. But its chemical activity and...
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Dynamics of microdischarges evolution during plasma electrolytic oxidation in alkaline and silicate-alkaline electrolytes
Available online 26 August 2024
The dynamics of microdischarges evolution during plasma electrolytic oxidation (PEO) of AMg6 aluminum alloy at anode-cathode mode in alkaline and silicate-alkaline electrolytes was investigated. Experimental...
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Manufacture and Characterization of Lightweight Sand-Plastic Composites Made of Plastic Waste and Sand: Effect of Sand Types
Available online 22 August 2024
Over the past decade, many types of waste have been exploited as feedstocks in different industries. Recycled plastics are among the waste sought for several civil engineering applications. In this...
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Wood flour / ceramic reinforced Polylactic Acid based 3D - printed functionally grade structural material for integrated engineering applications: A numerical and experimental characteristic investigation
Available online 22 August 2024
Recently, efforts have been done to capitalize on the potential of multidisciplinary research in order to produce unique features in polymer technology. To improve its physical and chemical properties...
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Microstructure and properties of the Al-0,5 wt.% Fe alloy wire, copper-clad by electrochemical deposition
Available online 13 August 2024
This study examines the microstructure, mechanical and electrical properties of the copper-clad wires with a core of Al-0,5Fe alloy, obtained by casting into an electromagnetic crystallizer (EMC). The...
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Advances in the Carbon-Ceramic Composites Oxidation and Ablation Resistance: A Review
Available online 6 August 2024
A review and critical analysis of recent advances in the field of oxidation and ablation resistance of carbon-ceramic composite materials, which are the most promising for high temperature applications...
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Natural Fibre Composite Selection for Two-stroke Marine Engine Under-piston Door using Hybrid AHP and TOPSIS Methods
Available online 2 August 2024
This article presents the selection process of natural fibre composites (NFC) material for the application of a two-stroke marine engine under-piston door (UPD) utilising a combination of the Analytical...
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Novel short Agave americana based biocomposite and nanobiocomposites for automotive applications
July 2024
Short fibers of Agave Americana (AA) was extracted from its plant leaf, was chemically treated with Ac2O, HCOOH, H2O2, KMnO4 and NaOH, and then characterized by Attenuated total reflectance-Fourier...
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High pressure salt water and low temperature effects on the material performance characteristics of additive manufacturing polymers
July 2024
The effects of salt water exposure at deep ocean depth pressures when coupled with low temperatures on the material characteristics of three unique additively manufactured polymers has been investigated...
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Microstructure analysis of 7050 aluminum alloy joint fabricated by linear friction weld
July 2024
The microstructure of a linear friction welded joint of 7050 aluminum alloy was investigated through optical microscopy (OM), scanning electron microscopy (SEM), and electron backscatter diffraction...
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Laser ultrasonic inspection of internal porosity defects in AlSi10Mg additive manufacturing components
July 2024
Additive Manufacturing (AM) technology is recognized as a pivotal direction for future technological and industrial advancement. Nevertheless, inherent to the manufacturing process are defects such...
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The prospects of natural fiber composites: A brief review
July 2024
This research explores natural fiber composites (NFCs) as alternatives to traditional materials such as fiberglass. By examining fibers like abaca, bamboo, banana, coir, flax, hemp, jute, kenaf, pineapple...
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Multivariate modelling of AA6082-T6 drilling performance using RSM, ANN and response optimization
July 2024
The AA6082-T6 was experimentally studied in the present research with respect to the drilling performance. Drill diameter, cutting speed and feed rate were examined, using a full factorial design. Mathematical...
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Novel methods for optimizing CNC aluminum alloy machining parameters in polymer mold cavities
July 2024
The examination of the machining of 7075-T6 aluminum alloy polymer mold cavities using Taguchi optimization and analysis of variance is presented in this paper. This study identified the best CNC milling...
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Experimental and numerical investigation on cold cracking susceptibility of naval grade high strength steel welds for lightweight shipbuilding structures
July 2024
In this study the cold cracking (CC) susceptibility of naval grade high strength steel (HSS) welds developed using flux core wires of different yield strength levels was analyzed for lightweight shipbuilding...
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