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1979 articles for “Chrome moly Alloy Steel 4340 Material” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Experimental Study on Microstructural Evolution and Tensile Properties of Robotic Pulse MIG Welded Steel
Abstract: Robotic pulse Metal Inert Gas (MIG) welding has emerged as an advanced joining technique capable of producing superior weld quality through precise control of welding parameters. The present study evaluates the influence of welding parameters on the microstructural evolution and tensile properties of steel weldments fabricated using robotic pulse MIG welding and compares the results with conventional pulse MIG welding. Microstructural characterization was carried out using Scanning Electron Microscopy (SEM) …
Published in Journal of Experimental & Applied Mechanics · Vol. 17, Issue 2, 2026 · pp. 40–52 Read article
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Carbon quantum dots (CQDs) and bioinspired photonic nanomaterials have emerged as promising multifunctional platforms for a wide range of applications in optoelectronics, nanomedicine, biosensing, fluorescence imaging, and photodynamic therapy. CQDs are nanoscale carbon-based materials characterized by unique optical and electronic properties, including size-dependent photoluminescence, high photostability, excellent water solubility, low cytotoxicity, and remarkable biocompatibility. These characteristics make them attractive alternatives to conventional semiconductor quantum dots for both technological and biomedical applications. Inspired by natural photonic systems such as photosynthetic light-harvesting complexes, rhodopsin-based photoreceptors, butterfly wings, and bioluminescent organisms, researchers have developed advanced nanostructures capable of efficient photon capture, energy transfer, and photoinduced charge separation. Recent advances in synthesis techniques, including hydrothermal, solvothermal, microwave-assisted, and green synthesis approaches, have enabled precise control over the size, surface chemistry, and optical properties of CQDs. Functionalization and heteroatom doping further enhance their photophysical performance and application versatility. In optoelectronics, CQDs have been incorporated into photodetectors, solar cells, light-emitting diodes, and flexible electronic devices due to their tunable emission characteristics and efficient charge transport properties. In the biomedical field, CQDs are increasingly utilized for targeted drug delivery, bioimaging, biosensing, and photodynamic therapy because of their excellent fluorescence behavior and biological compatibility. Furthermore, bioinspired photonic nanomaterials are being explored for artificial photosynthesis and sustainable energy conversion systems, where efficient light harvesting and electron transfer are critical. This review highlights recent developments in the synthesis, photophysical properties, and multifunctional applications of CQDs and related bioinspired photonic nanomaterials, while discussing current challenges and future opportunities for the development of intelligent nanophotonic and bioelectronic technologies.
Abstract: Carbon quantum dots (CQDs) and bioinspired photonic nanomaterials have emerged as promising multifunctional platforms for a wide range of applications in optoelectronics, nanomedicine, biosensing, fluorescence imaging, and photodynamic therapy. CQDs are nanoscale carbon-based materials characterized by unique optical and electronic properties, including size-dependent photoluminescence, high photostability, excellent water solubility, low cytotoxicity, and remarkable biocompatibility. These characteristics make them attractive alternatives to conventional semiconductor quantum dots for both technological and biomedical …
Published in International Journal of Photochemistry and Photochemical Research · Vol. 4, Issue 2, 2026 · pp. 16–24 Read article
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Artificial Intelligence-Based Workforce Analytics Framework for Predicting Employee Engagement and Continuous Performance Improvement: Evidence from Tata Steel
Abstract: In large, diversified manufacturing organizations, managing employee engagement and sustaining performance require systematic understanding of workload distribution, employee sentiment, and workplace experience. This study examines the role of AI-enabled workforce analytics as a strategic human resource management tool through a case study of Tata Steel. The research positions artificial intelligence not as a technical innovation, but as a people-analytics decision-support mechanism that assists HR leaders in identifying early indicators of …
Published in Journal of Artificial Intelligence Research & Advances · Vol. 13, Issue 3, 2025 Read article
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Analysis of Proposed Diagrid Geometry Using Golden Ratio in Non-Linear Regime of Material
Abstract: Lateral loads are critical in the design of high-rise structures. The buildings need to have high stiffness and must be able to resist lateral deformations and torsional rotations without having discomfort to the user. Diagrid structural system is one of the systems used in resisting lateral forces. In this study, diagrid geometry is generated using the ‘Golden Ratio’ concept and used to model 40, 50, and 60 story structures. Two …
Published in Journal of Construction Engineering, Technology & Management Read article
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Dye Sensitized Solar Cells Based on Extracted Natural Dyes and Synthetic Dyes with Nanocomposite Material
Abstract: Producing dye sensitised solar cells in their original colours required a number of different techniques. Plants and berries were used to extract these dyes. The DSSCs were manufactured by recycling the old dyes. It was clear that the efficiency of the power conversion was deteriorating. TiO2 mesoporous films' potential applications were also studied. This study employed electrochemical impedance spectroscopy to examine the interactions of natural dyes with TiO2. Bi2O3 nanoparticles …
Published in Journal of Polymer & Composites Read article
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A Ponder & Sedulousness Of Legion Shale Stabilizing Materials In Aqueous Based Drilling Fluid During The Process Of Borehole Strengthening
Abstract: Drilling fluid used while drilling the layers of shale will have the potential of reacting with water which tends to increase stickiness, induce swelling and promote sloughing of the borehole. This results in the reduction of drilling fluid circulation, increased mud loss, increase in torque and drag, reduction in lubricity. This will ultimately result in the increase of Non-Productive Time (NPT) during drilling which in turn increases Capital Expenditure (CAPEX) …
Published in International Journal of Pollution: Prevention & Control · Vol. 1, Issue 2, 2023 · pp. 35–40 Read article
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Thermal analysis of sustainable composite material absorption refrigeration system for cold storage application
Abstract: Present study deals with thermal analysis of absorption refrigeration system (ARS) and generator-absorber heat exchanger (GAX) based absorption refrigeration system by using green composite like aqua-ammonia. Evaporator temperature is 0°C for cold storage application, condenser temperature is 50°C as per Indian weather condition, mass stream rate of strong solution through the pump is 1 kg/s, and effectiveness of solution heat exchanger and refrigerant heat exchanger is 0.7 considered for present …
Published in Journal of Polymer & Composites · Vol. 12, Issue 4, 2024 · pp. 18–27 Read article
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Computational investigation of the influence of process parameters of 3D printed PLA material
Abstract: This study uses numerical simulation to examine the relationship between critical process parameters say, feed rate, layer height, and raster angle, on residual stresses and distortions and on the achievable density of FFF prints to identify the optimal input parameter combinations for ISO 527-2 type 1A. Methods of additive manufacturing that are utilised widely used to manufacture thermoplastic parts is fused filament fabrication. High residual stresses are one of the …
Published in Journal of Polymer & Composites · Vol. 12, Issue 1, 2024 · pp. 259–269 Read article
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Seismic Analysis of Conventional, Hexagrid and Octagrid Steel Structural Systems
Abstract: The seismic resilience of multi-story buildings in earthquake-prone regions is a critical consideration in structural engineering. This dissertation presents a comprehensive analysis of the seismic performance of proposed multi-story buildings with varying heights (G+10, G+15, and G+20) using conventional, hexagrid, and octagrid structural systems. The study utilizes the Response Spectrum Method under seismic zone Ⅴ conditions to assess key parameters including storey drift, storey displacement, base shear, and overturning moment. …
Published in Journal of Structural Engineering and Management · Vol. 11, Issue 1, 2024 · pp. 26–41 Read article
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Utilizing Chemical Machining Methods in the Metalworking Sector
Abstract: Chemical machining is a kind of material removal technique used to produce desired shapes and dimensions by selectively or completely removing material through carefully regulated chemical attack using etchant solutions, which are solutions of acids or alkalis. One type of chemical machining is chemical milling, also known as contour machining, etching, or chemiluminescence. The aerospace industry uses chemical milling to remove thin layers of material from extruded parts for aircraft …
Published in International Journal of Manufacturing and Production Engineering · Vol. 2, Issue 1, 2024 · pp. 17–23 Read article
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Advancements in Seismic Analysis Based on Shear Walls Composite Materials
Abstract: In this study more than 30 research papers are thoroughly reviewed in the area of Seismic Analysis based on Shear Walls. Seismic performance evaluation is used to assess a construction's seismic behavior in accordance with predetermined performance criteria. These methods have been applied in a number of assessment studies to investigate the seismic behavior of shear wall designs, and their findings have advanced the field overall. Shear wall is works …
Published in Journal of Polymer & Composites · Vol. 12, Issue 5, 2024 · pp. 235–243 Read article
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Temperature dependence of Schmidt number of composite material based liquid lithium
Abstract: This work presents a simple formalism for Schmidt number and its temperature dependence for liquid lithium. It is explained that the temperature dependence of Schmidt number (Sc = η/ ρD) can be understood through dependence of topological-short-range-order (TSRO) parameter on temperature. Expression for Schmidt number has been deduced in terms of average potential energy US of superficial core, probability of diffusional displacement (P) and the TSRO parameter (x) . Calculations …
Published in Journal of Polymer & Composites · Vol. 12, Issue 3, 2024 · pp. 206–212 Read article
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HYGROTHERMAL ANALYSIS OF FUNCTIONALLY GRADED MATERIAL PLATES
Abstract: This study introduces a novel higher-order shear deformation theory, tailored to accommodate various loading conditions experienced by laminated plates. The theory is specifically designed for the hygrothermal analysis of functionally graded plates. Three homogenization methods are used to calculate the Young's Modulus that is Power law distribution, The exponential distribution and The Mori-Tanaka scheme. Navier's solution scheme is used for flexural analysis of Functionally graded plates simply supported at all …
Published in Journal of Structural Engineering and Management · Vol. 11, Issue 2, 2024 · pp. 44–62 Read article
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Synthesis and Characterization of Short Fiber Reinforced Biocomposite Materials
Abstract: The fabrication and characterization of a biocomposite reinforced with banana fiber is proposed in this proposal. The substance used for the grid was epoxy. Hand-layup preparation was the last step in the biocomposite's manufacturing. Biocomposites with various fiber and grid compositions were produced. After treating banana strands with NaOH in the composites manufacturing process, a comparative analysis between biocomposites reinforced with treated and untreated filaments was conducted. The antacid treatment …
Published in Journal of Experimental & Applied Mechanics · Vol. 15, Issue 2, 2024 · pp. 42–53 Read article
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Gelatin-EiO2 (Ei = Si/Ti/Zr) Based Mesoporous Nano-hybrids: Synthesis and Characterization
Abstract: The hybrid materials are mostly prepared by combining the organic or bio-organic part to the inorganic building blocks and are used in many applications. Gelatin as one of the main component of hybrid materials is an attractive option. It is biodegradable; biocompatible; non-toxic; bio-adhesive and contains many active groups such as –NH2, –COOH, in the biopolymer backbone makes these hybrid materials important in various technological applications. The synthesis of a …
Published in Journal of Materials & Metallurgical Engineering · Vol. 14, Issue 3, 2024 · pp. 30–58 Read article
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Municipal Material Management
Abstract: The increase in global prosperity and population has led to a significant rise in the generation of Municipal Solid Waste (MSW), posing serious threats to public health and the environment. This study explores the global state of MSW generation, composition, and management strategies, comparing the effectiveness of various technologies across 59 developed and developing countries. A total of 19 criteria for the selection of MSW management technologies are discussed, highlighting …
Published in International Journal of Sustainability · Vol. 1, Issue 2, 2024 · pp. 11–15 Read article
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Eco-Friendly Tri-Layer Hybrid Composites: A Sustainable Approach to Polymer Matrix Materials
Abstract: In the current study, we explored the use of environmentally friendly natural fibers such as sisal, banana, and kevlar. These fibers were fabricated by hand lay-up technique, and their impact on tensile and dynamic properties was evaluated according to ASTM standards. The assessment was conducted under both dry and wet conditions, considering two different chemical dosage parameters for comparison. Additionally, the tri-layer fibers underwent two separate chemical treatments using 1% …
Published in Journal of Polymer & Composites · Vol. 12, Issue 6, 2024 · pp. 195–205 Read article
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Chalcones: Beyond Bioactive Properties - Exploring Their Potential as Polymeric Materials
Abstract: Chalcones, a class of natural compounds characterized by their unique chemical structure, have garnered significant attention in recent years for their diverse pharmacological and biological activities. This review aims to comprehensively assess and summarize the latest research spanning the last five years. By synthesizing findings from a plethora of studies, this retrospective analysis elucidates the evolving landscape of chalcone research, shedding light on their therapeutic potential and biological effects. The …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 997–1003 Read article
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Investigation on Mechanical Properties of Geo Polymer Concrete With Fly Ash and Steel Fibers
Abstract: The goal of this project was to manufacture fly ash-based geopolymer concrete (FAC), a more environmentally friendly substitute for conventional Portland cement concrete (OPC) by using fly ash (FA) in place of cement. The study discovered that the properties of FAC were comparable to those of OPC, and that the concrete's performance was greatly impacted by the geopolymer's polymeric nature. The geopolymerization process was started with an alkaline solution, and …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 250–260 Read article
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The Examination of Design and Weight Optimization for a Light Motor Vehicle (LMV) Drive Shaft through the Utilization of a Composite Material Composed of Aluminum and Glass Fiber (Al + GF)
Abstract: Aluminum is primarily used in Metal Composites because of its lighter weight and higher strength. Glass fibers are wound around an aluminum shaft to create the composite. ANSYS results determine the relative amounts of aluminum and E-glass fiber in each shaft. The purpose of this study is to use a torsion test to evaluate the mechanical performance of a composite shaft composed of aluminum and glass fiber. The results are …
Published in Journal of Experimental & Applied Mechanics · Vol. 15, Issue 3, 2024 · pp. 1–17 Read article