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1846 articles for “experience”
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Enhancing Surface Roughness of Polylactic Acid (PLA) 3D-Printed Parts Using CO₂ Laser Scanning: An Experimental Study on Parameter Optimization
Abstract: Fused deposition modeling (FDM) of polylactic acid (PLA) often suffers from poor surface finish due to the inherent layer-by-layer deposition process, limiting its use in high-precision applications. This study investigates CO₂ laser scanning as an efficient post-processing technique to reduce the surface roughness (Ra) of PLA parts while maintaining structural integrity. Specimens (100 × 80 × 5 mm) were fabricated with varying infill densities (35%, 70%, and 100%) to assess …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 503–511 Read article
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Experimental Investigation on Nitrogen Oxides Air Pollutant Reduction Characteristics of Cement Mortar Using Sustainable Photocatalytic Material
Abstract: Emissions of nitrogen oxide (NOx) should be diminished to address the facts of urban air pollution and its health and environmental consequences. This study explores the potential of NOx reduction of photovoltaic pollutants in cement mortar using titanium dioxide (TiO2) as a photovoltaic material. NOx is one of the major pollutants of urban air, related to the problems of smog and acid rain, with serious health hazards. The study focuses …
Published in Journal of Structural Engineering and Management · Vol. 12, Issue 3, 2025 · pp. 26–40 Read article
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An Experimental Study to Assess the Effectiveness of Self Efficacy on Academic Performance Among B.Sc. Nursing Students at Selected Colleges, Mangalore
Abstract: Self-efficacy refers to an individual's belief in their capacity to execute behaviors necessary to produce specific performance attainments. This study was conducted to evaluate the impact of self-efficacy on the academic performance of first-year B.Sc.Nursing students in selected colleges in Mangalore. The primary objective was to assess the relationship between self-efficacy levels and academic outcomes among these students. A quantitative research design was adopted for this study, with a sample …
Published in International Journal of Community Health Nursing And Practices · Vol. 3, Issue 2, 2025 · pp. 65–83 Read article
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Experimental Study on Mechanical and Tribological Characterization of Arecanut Shell Fibre Reinforced Composites with MWCNT Nanofillers
Abstract: Natural fiber-reinforced composites (NFRCs) are emerging as sustainable alternatives to conventional synthetic composites due to their eco-friendliness, cost-effectiveness, and favorable mechanical properties. This study evaluates the mechanical and tribological performance of Areca Nutshell Fiber (ANSF)-reinforced epoxy composites with multi-walled carbon nanotubes (MWCNTs) as nanofillers. The composites were fabricated using the vacuum bag molding technique. Tensile tests assessed strength, modulus, and elongation, while flexural tests evaluated bending resistance. Pin-on-disc tests examined …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 47–64 Read article
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Experimental Evaluation of Carbon Fiber Reinforced Epoxy Composites for Structural Applications
Abstract: Composites made of carbon fibre reinforced polymer (CFRP) are currently one of the most widely used material classes in advanced engineering applications because of their remarkable environmental resistance, dimensional stability, and strength-to-weight ratio. The vacuum bag moulding method was used in this study to create CFRP laminates with different fiber-to-resin weight ratios: 50:50, 55:45, 60:40, 65:35, and 70:30. The reinforcement phase was made of unidirectional carbon fibre fabric and the …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 401–415 Read article
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Experimental Investigation of Tensile Strength of Bamboo Fiber/Synthetic Glass Fiber
Abstract: In this work, hybrid fiber reinforced composites (HFRCs) with enhanced mechanical and physical characteristics are created by reinforcing composite laminates using a blend of natural bamboo fiber and synthetic glass fiber. The primary goal of the inquiry is to assess these composites' tensile and impact properties. In comparison to non-hybrid composites, the hybrid composite, which consists of two layers of bamboo fiber and one layer of bidirectional glass fiber, had …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1700–1710 Read article
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Experimental Study on the Tensile Performance of Carbon Fiber Composites Reinforced with Titanium
Abstract: This research investigates the influence of titanium incorporation on the tensile and flexural behavior of carbon fiber‑reinforced polymer (CFRP) composites, with the goal of advancing their overall mechanical performance. This study investigates the effect of titanium incorporation on the tensile behavior of carbon fiber‑reinforced polymer (CFRP) composites to enhance their overall mechanical performance. The work aims to improve the structural efficiency of CFRP laminates by introducing titanium as a filler …
Published in Journal of Polymer & Composites · Vol. 14, Issue 1, 2026 · pp. 1729–1737 Read article
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Experimental Investigation of Hybrid Natural Fiber Reinforced Epoxy Composites Using Banana and Sugar Palm Fibers
Abstract: This paper is a research study that examines the mechanical and morphological properties of hybrid natural fiber reinforced epoxy composites manufactured from banana fibers (BF) and sugar palm fibers (SPF). Because the use of sustainable, lightweight, and cost effective materials in engineering continues to grow, many engineers are looking at the possibility of utilizing natural fiber reinforced polymer composites as alternatives to traditional man-made fiber composites. Hybrid composite laminate samples …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 195–205 Read article
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A Comprehensive Study of Natural Language Processing Systems Using Modern Programming Languages: Techniques, Architectures, Experimental Evaluation, and Applications
Abstract: Natural Language Processing is a key field of study within artificial intelligence that focuses on enabling machines to understand and work with human language. This is because there is much digital text data everywhere. Natural Language Processing is what this study is about. It looks at new ways of doing Natural Language Processing. The old ways are like machine learning and the new ways are like learning. This study compares …
Published in Recent Trends in Programming languages · Vol. 13, Issue 1, 2026 Read article
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Structural Optimization of FDM-Processed ASA Polymer Frames through Acetone Solvent Welding, Variable Infill Strategy, and Layer Orientation: Experimental Validation via Quadcopter Flight Testing
Abstract: Acrylonitrile styrene acrylate (ASA) is an amorphous terpolymer with superior UV resistance compared to acrylonitrile butadiene styrene (ABS), as its acrylate rubber phase lacks photodegradation-prone carbon–carbon double bonds. This study proposes acetone solvent welding as a polymer joining method to produce monolithic structures from FDM-processed ASA components, addressing three processing challenges: achieving structural continuity through polymer chain interdiffusion at solvent-wetted interfaces, correcting thermal warping via post-print geometric correction during welding, …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 689–703 Read article
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Physio-Mechanics Experimental Characterization of Natural Fiber Polymer Composites for a Boat Hull
Abstract: Composite materials which will provide for improved mechanical properties- a focus there to develop light weight, more rugged, stronger ship hull materials. The various application of glass fibers reinforced composites can be seen in the marine applications such as boat hull, but incase of failing badly, they are non-recyclable and poses the threat to health hazards for aquatic animals and human beings which is their significant disadvantage. MARPOL Annex V, …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 Read article
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Experimental Investigation of Polymer Composite-Based Protective Structures for Mitigating Crash-Induced Mechanical Abuse in Lithium-Ion Batteries
Abstract: The objective of this paper is to determine the effectiveness of using polymer composite protective structures to protect against the mechanical abuses associated with crash impacts that affect lithium ion batteries in terms of their structural integrity and their overall safety. In addition to their use in electric vehicles, lithium ion batteries are also being increasingly used in renewable energy based energy storage systems because they have high energy densities, …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 Read article
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Low-Weight, High-Durability Crankshaft Development Using Glass Fiber Composites: Numerical and Experimental Investigations
Abstract: The present paper aims towards the weight reduction of crankshaft by replacing conventional medium carbon steel for a two-wheeler with composite material. The replacement is such that it significantly reduces load on other components without compromising structural integrity. It will also serves in terms of operating reliability or durability over its life span. A geometric specifications and dimensions were obtained using a 3D CAD model developed in CATIA V5. The …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 Read article
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Experimental Study on Effect of Recycled Epoxy Powder Reinforcement on Tensile Behavior of Acrylonitrile Butadiene Styrene
Abstract: Thermosetting plastic found wider application in the field of Aerospace, Aircraft, Wind Turbines, Marine and construction due to their long life, light weight and high strength. Among thermosets, epoxy is the major contributor. The world epoxy resin usage is almost 3.6 million tons in the year 2022 and it may cross 5.91 million tons by 2029. At their end of life most of it goes to land filling which leads …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 306–315 Read article
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Experimental Study and Comparative Analysis of Fly Ash, GGBS, and Silica Fume in Nominal Concrete and Ternary Blended M25 Concrete
Abstract: This study examines the effects of partially substituting 30% of cement by weight with ternary supplemental cementitious materials (TSCMs) with mix proportions of M1, M2, and M3. These materials include fly ash (10%,15%,15% in M1, M2, and M3), ground granulated blast furnace slag (GGBS) (10%,8%,10% in M1, M2, and M3), and silica fume SF (15%,10%,5% in M1, M2, and M3) on the mechanical and durability properties of M25 grade concrete …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 43–50 Read article
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Effectiveness of Deep Breathing Exercise on Respiratory Parameters Among Post Extubated Patients Admitted in ICUs
Abstract: Introduction: Deep breathing exercises may be used to restore lung oxygenation ventilation function and are anticipated to enhance respiratory parameters. Aim: This study was done to examine the effectiveness of deep breathing exercise on respiratory parameters among post extubated patients. Methodology: A quasi experimental (pre-test, post-test control group) with quantitative approach study was conducted to assess the effect of deep breathing exercise on respiratory parameters among 30 post extubated patients …
Published in Research and Reviews: A Journal of Health Professions · Vol. 14, Issue 2, 2024 · pp. 25–31 Read article
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Effectiveness of structured teaching programme on knowledge regarding Prophylactic vaccination against cervical cancer among adolescent girls
Abstract: Background: Adolescent health encompasses the variety of methods used to prevent, identify, or treat the health and wellness of young people. Adolescent health also includes the sexual and reproductive health of children and young adults. Women of all ages are susceptible to HPV infection. The human papillomavirus is the cause of cervical cancer . The HPV vaccine is an important main preventive measure against cervical cancer . Thus, it is …
Published in International Journal of Vaccines · Vol. 2, Issue 2, 2025 Read article
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The Role of Augmented and Virtual Reality in Enhancing Education and Training
Abstract: Virtual reality (VR) and augmented reality (AR) are emerging as powerful tools that are transforming the way education is delivered and experienced. Unlike traditional teaching approaches that often rely heavily on textbooks, lectures, and passive learning, these technologies create highly interactive and engaging environments that allow students to actively participate in the learning process. By providing immersive experiences, VR and AR bridge the gap between theoretical knowledge and practical application, …
Published in Journal of Multimedia Technology & Recent Advancements · Vol. 12, Issue 3, 2025 · pp. 33–38 Read article
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Process Parameter Optimization of Magnesium Alloy Material Welded by Friction Stir Welding Using UTM and Taghuchi Approach
Abstract: Welding is a fabrication process where materials are fused together which may similar or dissimilar according to requirement. Welding is a systematic approach where dissimilar and similar materials are welded with an application of heat. Friction stir welding (FSW) is a welding method where metals are converting to a molten phase and with a desirable application of pressure leads to metal joining. FSW is a metal joining process used in …
Published in Journal of Polymer & Composites · Vol. 11, Issue 8, 2023 · pp. 381–392 Read article
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Evaluating the Impact of Information Education and Communication Package on Knowledge and Attitude Regarding Reproductive and Sexual Health among Late Adolescent Girls in Selected Colleges at Madurai
Abstract: A quasi-experimental study was carried out to assess the effectiveness of an Information, Education, and Communication (IEC) package on the knowledge and attitudes related to reproductive and sexual health among late adolescent girls attending colleges in Madurai. The study aimed to: assess the changes in knowledge and attitudes before and after the intervention in both control and experimental groups, evaluate the effectiveness of the IEC package, investigate the correlation between …
Published in International Journal of Evidence Based Nursing And Practices · Vol. 2, Issue 1, 2024 · pp. 26–32 Read article