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Advances in Mechanical and Materials Engineering
ISSN 2956-4794 · The Publishing House of the Rzeszow University of Technology · 78 articles in the index
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Journal Article
Effect of the Single-Point Incremental Sheet Forming Process Parameters on the Mechanical Properties of Zinc Alloy Drawpieces
Single-point incremental forming (SPIF) is a method of forming sheet metal components in a variety of industries. SPIF involves the gradual deformation of the sheet metal using a pin tool. In this article, SPIF was used to form a Zn-Cu-Ti alloy square pyramid drawpieces with a wall angle of 60°…
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Journal Article
Nanoindentation: A Comprehensive Review with a Proposed Standardized Workflow
Nanoindentation is a method for mapping the mechanical properties of heterogeneous materials. This paper aims to provide a review of this method, the challenges that still remain in spite of recent innovations and future recommendations. Various types of indenters and sample preparation methods…
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Journal Article
Physics-Informed Neural Network Modeling of Passive Photovoltaic Cooling Using Experimental Benchmark Data
The efficiency of photovoltaic (PV) systems decreases as module temperature rises under high solar irradiance, leading to reduced power output and accelerated material degradation. In this study, a physics-informed neural network (PINN)–based predictive framework is developed to model the…
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Journal Article
Relative Thermo-Hydraulic Performance of Mono and Hybrid Transformer Nanofluid in a Plate Fin Heat Exchanger - An Experimental Study
This investigation conducts a comparative study on the thermo-hydraulic performance of magnesium oxide nanoparticles dispersed in transformer oil (MgO/TrO) and a hybrid nanofluid containing both magnesium oxide and copper oxide nanoparticles (MgO-CuO/TrO). Key performance metrics including Overall…
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Journal Article
Assessment of Mechanical Behaviour Trends of Surface-Ground AA7075 Thin Plate Across Run Orders
AA7075 aluminium alloy thin plates are widely used in marine applications, particularly as skin panels for hydrofoil crafts, where surface grinding is an essential finishing operation. However, the influence of grinding parameters on mechanical behavior across different experimental run orders is…
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Journal Article
Application of Bioinspired Impact-Resistant Composites in Mechanical Structures
Bioinspired materials are among the most durable materials known to man. Mimicking solutions and structures observed in nature is a modern approach to modeling materials in line with sustainable development. Designers of mechanical structures are continually seeking new applications and materials…
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Journal Article
Development of Nonlinear FEA Method for 3D-Printed Polymeric Porous Structures
Three dimensional printing technology has widely been utilized to construct a variety of complex biomimetic structures. A target structure is designed using 3D-CAD and then the CAD data is sent to the controlling unit of a 3D-printing machine to fabricate a corresponding real structure. Recently…
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Journal Article
Effect of Forming Parameters on the Fracture Behaviour of AISI 430 Steel in Draw-Bend Fracture Test
The draw-bend fracture (DBF) test was used to simulate the different forming conditions of AISI 430 steel strips with thickness of 0.8 mm. The tests were performed for varying test parameters such tool radius, drawing speed and strip orientation. The analysis of variance (ANOVA) at α = 0.05…
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Journal Article
Multi-objective optimization of corrosion current density and polarization resistance of surface-ground AA7075 thin plate in 3.5 wt.% NaCl solution
AA7075 thin plates are extensively used in the marine industry, particularly for the manufacturing of hydrofoil skin panels. Surface grinding is a critical finishing process for these plates, yet the optimal grinding parameters that minimize corrosion current density (Icorr) and maximize…
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Journal Article
Influence of Laser Power and Scanning Speed on the Mechanical Properties of AlSi10Mg Alloy Manufactured by Direct Metal Laser Sintering
Direct Metal Laser Sintering is a laser powder bed fusion process in which metallic powder is selectively melted layer by layer. This study evaluates how laser energy density, modified through laser power and scanning speed, affects the mechanical response of AlSi10Mg alloy produced on an…
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Journal Article
Application of Artificial Neural Networks to Investigate the Influence of Crosshead Speed and Sample Specifications on Tensile Mechanical Properties of DX56D+Z100-M-C-O Steel Sheets
Formability of steel sheet metals depends primarily on mechanical properties of material that influence the material's ability to undergo plastic deformation without risk of fracturing. This article presents the use of multilayer artificial neural networks (ANNs) to evaluate the effect of uniaxial…
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Journal Article
Analysis of the Linear Expansion Coefficient of S355J2 and C45 Steel Specimens Welded by MIG, MMA and TIG Techniques
Knowledge of the linear expansion coefficient of steel is crucial for ensuring the safety, durability, and proper functioning of welded structures. The aim of this study is to investigate the coefficient of linear expansion of S355J2 structural steel and C45 carbon steel, welded using various…
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Journal Article
X-ray Computed Tomography Evaluation of Internal Defects in Extruded Polymer Piezocomposites
Internal defects, such as pores and inclusion-like features, may compromise the structural quality and reliability of polymer piezocomposites. This study appraises the influence of repeated extrusion on the internal defect characteristics of barium titanate (BTO) and reduced graphene oxide (rGO)…
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Journal Article
Analysis of Transverse Sensitivity of Foil Strain Gage
This paper provides an analysis of the transverse sensitivity of a strain gage made with cold rolled, Cu-Ni foil (constantan) by examining the individual contributions of the grid lines and end loops of the strain gage. The analysis utilizes two types of finite element models. Two dimensional…
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Journal Article
Physics-guided Explainable Surrogate Framework for Topology-Aware Local Strain Prediction in Defect-Rich Additively Manufactured Materials
Predicting defect-driven strain localization in additively manufactured materials remains challenging because experimental datasets are often limited, expensive to generate, and characterized by complex defect topologies. Conventional machine learning models can provide accurate predictions but…
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Journal Article
Bridging Theory and Practice in Bone Atomic Force Microscopy: A Review with Proposed Workflow
Atomic force microscopy is used for characterization of biological samples, individual molecules, molecular interaction and their roles in friction and adhesion at molecular and cellular levels. The current paper aims to summarize the atomic force microscopy, its working principle, the usage of it…
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Journal Article
Vibration Analysis of Delaminated CNT-Reinforced CFRP Composite Plates
Fiber-reinforced polymer composite materials have gained extensive application in aerospace, automotive, marine, and civil infrastructure owing to their exceptional specific strength, stiffness, and design flexibility. However, delamination - a critical interlaminar failure mode compromises…
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Journal Article
Understanding Weld Joint Failure – Evaluating Ghanaian Welders’ Knowledge and Training Needs
Weld joint failures remain a significant concern in the manufacturing and construction sectors, particularly in developing countries where artisanal welding dominates. This study assessed the knowledge of welding and fabrication artisans and professional welders in Ghana regarding the causes of…
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Journal Article
Experimental Analysis of Friction Existed in Drawbead Region in Metal Forming Processes
Friction studies in sheet metal forming processes are essential for developing appropriate forming technology. This paper presents the results of experimental studies of friction occurring at the drawbead. A 0.8-mm-thick low-carbon DC04 steel sheet was used as the test material. Friction studies…
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Journal Article
Experimental Studies on the Thermal Performance of MWCNT-based Transformer Oil in a Plate-Fin Heat Exchanger
In this paper, thermal performance of transformer oil enhanced with addition of multi-walled carbon nanotubes (MWCNTs) in a plate-fin heat exchanger is experimentally determined. In this investigation, a custom-built test rig, is employed to determine the overall heat transfer coefficient (UHTC)…