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80 articles for “Crack analysis”
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FAILURE ANALYSES OF 16MM THICK SA 516 GR 70 AUTO CLAVE
Abstract: With the acceleration of global industrialization, there is a demand for high- or low-pressure storage of liquids or gases. Because of the complicated operating conditions that will inevitably encounter a possible hazard, pressure vessel design is a critical responsibility. Previous failure studies have revealed that the presence of local loads and discontinuities increases pressure vessel fracture. As a result, a detailed examination of pressure vessel steel from the standpoint of …
Published in Trends in Mechanical Engineering & Technology · Vol. 12, Issue 1, 2022 · pp. 21–30 Read article
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Development of Bio-Based Polymer Composites for Sustainable Construction Materials
Abstract: The demand for eco-friendly sustainable construction materials has gained significant interest in the development of bio-based polymer composites as ecologically suitable alternatives to traditional petrochemical-based polymer composites. The environmental problems associated with non-biodegradable, high-carbon-footprint polymer composites make their more bio-based counterparts an attractive option that offers both environmental and structural benefits. To evaluate environmental impact and industrial feasibility, a comprehensive life cycle assessment was performed. The methodology adopts optimized bio-based …
Published in Journal of Polymer & Composites · Vol. 13, Issue 4, 2025 · pp. 194–208 Read article
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Cracking the Code: A Study on Exploitable Weaknesses in QR Code Technology
Abstract: This study investigates the exploitable weaknesses inherent in quick response (QR) code technology, aiming to provide insights into potential security risks and mitigation strategies. QR codes, ubiquitous in modern society, serve various purposes ranging from marketing to authentication. However, their widespread utilization also renders them vulnerable to exploits by malicious actors. The research identifies common vulnerabilities such as data tampering, code injection, and phishing attacks, which can have significant consequences, …
Published in Journal Of Network security · Vol. 12, Issue 2, 2024 · pp. 9–17 Read article
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Enhancing Compressive Strength and Durability through Optimization of Concrete Mixtures
Abstract: This research investigates how varying cement-aggregate ratio, water-cement ratio, and slump height affect the compressive strength of concrete mixtures. Through an analysis of 36 samples, each representing different combinations of these parameters, significant insights are gained into the optimization of concrete mix designs for construction applications. The study reveals that higher water-cement ratios tend to decrease compressive strength due to increased porosity in cured concrete. Conversely, higher cement-aggregate ratios generally …
Published in Journal of Geotechnical Engineering · Vol. 11, Issue 1, 2024 · pp. 1–12 Read article
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Analysis of Fibre Reinforced Beams
Abstract: There has been research into the flexural behaviour of composite beams with a variety of fibre layer depths, all of which were designed using the balancing section and the limit state design idea. The fibre depth is estimated to be 112 mm (d = 112 mm), with the first three dimensions being 94.44 mm (d1 = 94.44 mm), 46.12 mm (d2 = 22.35 mm), and 22.35 mm (d3) respectively. The …
Published in Journal of Polymer & Composites · Vol. 11, Issue 4, 2023 · pp. 53–59 Read article
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Revolutionizing Geopolymer Composites: Unveiling Intelligent Wall Facades and Precision PZT Sensors for Vibration Analysis
Abstract: Evaluating the mechanical performance and environmental benefits of geopolymer composites is imperative for sustainable alternatives in construction. This study presents an innovative circular PZT-based sensor that effectively captures transient vibrations within concrete structures, demonstrating its validity in comparison to standard surface-mounted accelerometers. The research also elucidates the influence of sensor orientation on capturing various vibrational modes of concrete. Furthermore, the embedded PZT sensors provide valuable insights into the evolving mechanical …
Published in Journal of Polymer & Composites · Vol. 11, Issue 13, 2023 · pp. 59–73 Read article
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Solutions to Problems Faced in Well Log Analysis in fractured metamorphic Reservoir Systems Due To Multiple Porosities and Lithology’s
Abstract: Metamorphic rocks are the most bottomless non-terrigenous sedimentary rock and are made essentially out of transformative minerals. Most metamorphic rocks shape from calcareous stores that collect in marine conditions running from salt marshes to reefs to profound sea bowls. Unmistakable and one of a kind parts of transformative rocks are their dominatingly intrabasinal starting point, their essential reliance on natural exercises for their constituents and their powerlessness to change by …
Published in Journal of Petroleum Engineering & Technology · Vol. 9, Issue 1, 2019 · pp. 36–42 Read article
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Effect of Silicon Carbide Filler on Mechanical and Damping Behavior of Basalt/Stainless Steel Hybrid Laminated Composites
Abstract: This study consolidates three experimental investigations on hybrid laminated composites reinforced with basalt fibre, stainless steel (SS) wire mesh, and silicon carbide (SiC) filler using vacuum infusion moulding. Three laminates were fabricated with filler variations of 0%, 1.5%, and 3% by weight of matrix material, maintaining a stacking sequence of [0B/0W/45B/0W/0B/45W]s with a thickness of 4–5 mm. The first investigation focused on impact strength. Drop-weight impact testing revealed a steady …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 367–385 Read article
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Intelligent Failure Detection in Biomedical Composite Materials Using Machine Vision
Abstract: The biomedical composite materials are intelligent failure-detecting, which is necessary to ensure the reliability, safety, and durability of the current healthcare equipment. This paper describes a machine vision design, which incorporates convolutional neural networks, transformer models, and ensemble learning to correctly detect and localize material defects. The proposed system takes advantage of the capabilities of high-resolution imaging, advanced preprocessing software, and deep feature learning in the identification of the intricate …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 Read article
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Fracture Analysis of FRP Composites under Thermo-Mechanical Loads for Different Geometry Cutouts
Abstract: Fiber-reinforced composites (FRPs) are used extensively in structural and non-structural components of the aerospace and automotive industries. To utilize these materials for structural applications, it is necessary to understand the fracture behavior of the material. In the present investigation of carbon fiber laminates, studies were carried out to understand the fracture toughness characteristics of the carbon fiber laminates with mechanical, thermal, and thermo-mechanical loadings of modes I, II, and III. …
Published in International Journal of Fracture Mechanics and Damage Science · Vol. 3, Issue 2, 2025 · pp. 1–10 Read article
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Influence of Alkali Treatment on the Tensile Properties of The Hybrid Fiber Reinforced Polymer Matrix Composite
Abstract: In this study, the effect of alkali treatment on the tensile strength of the hibiscus fiber, gongura fiber, and treated madar fiber-reinforced Polymer Matrix Composite (PMC) is studied. The Sodium Hydroxide (NaOH) solution is utilized for madar fiber treatment. The traditional hand layup methodology was used for fabrication. The influence of tensile property control variables such as duration of fiber treatment, concentration of NaOH for treatment, and proportion of fiber …
Published in Journal of Polymer & Composites · Vol. 13, Issue 4, 2025 · pp. 28–34 Read article
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Multi-Layer Aluminum–Polymer Hybrid Structures for Improved Automotive Impact Performance
Abstract: Layered metal–polymer hybrid laminates have emerged as promising candidates for lightweight automotive structures requiring high impact resistance and structural reliability. In this study, aluminum/glass–epoxy hybrid laminates were fabricated using a symmetric stacking sequence through hot compression molding to evaluate their mechanical and energy absorption performance. Density analysis revealed an average measured density of 2.34 g/cm³, closely matching the theoretical value of 2.36 g/cm³, with a deviation of approximately 1.02%, indicating …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 42–53 Read article
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Synthesis and formability of Al/(Fe-Mn) particulate compositeusing stir casting
Abstract: Demand for lightweight and fuel economy by automotive and aircraft industries focuses to explore different materials. Alloys and composites developed with same objective to obtain superior desired mechanical properties compatible for such intended applications. However, alloy consider as solid solutions with metallic properties and cannot mix with primary major element in random proportions. This forced researcher community to develop composites, which are heterogeneous solid solutions or multi-phase materials comprising matrix …
Published in Journal of Polymer & Composites · Vol. 10, Issue 1, 2022 · pp. 80–88 Read article
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Investigating the Surface Defects and Structural Integrity of 3D Printed Hydrogen Storage Cylinders in UAV Applications
Abstract: This research explores the processing and manufacturing challenges of 3D printed polymer composites for high-pressure hydrogen storage in UAVs. The study focuses on addressing surface integrity and structural robustness issues inherent in additive manufacturing. Finite Element Analysis (FEA) was conducted on four thermoplastic polymer ABS, PET-G, HDPE, and Nylon to assess their mechanical performance under 35 MPa of pressure. Results revealed that PET-G and ABS provided better stress distribution and …
Published in Journal of Polymer & Composites · Vol. 13, Issue 3, 2025 · pp. 161–191 Read article
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Fracture Toughness in Advanced Materials: A Comparative Review of Testing Methods and Standards
Abstract: Fracture toughness is a key material property used to assess a material's ability to resist crack propagation, which is vital for ensuring the reliability and durability of structures and components in high-performance applications. It is particularly important in advanced materials such as composites, ceramics, and high-strength alloys, which are increasingly used in demanding industries such as aerospace, automotive, and civil engineering. Fracture toughness testing helps determine the material's behavior under …
Published in International Journal of Fracture Mechanics and Damage Science · Vol. 3, Issue 1, 2025 · pp. 17–21 Read article
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Basalt Fiber, Palm Fiber, and Seashell Powder Reinforced Hybrid Epoxy Composites: A Mechanical Characterization
Abstract: This study investigates epoxy-based composites reinforced with basalt fiber, palm fiber, and seashell powder fabricated via hand lay-up. Mechanical characterization included tensile, flexural, hardness, and impact testing, supported by ANOVA and TOPSIS analyses. The Basalt-Epoxy composite has the highest mechanical strength among the systems under investigation, with a tensile strength of 275 N/mm² and a yield stress of around 215 N/mm². Compared to Palm-Epoxy composite, which has the lowest mechanical …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 1565–1575 Read article
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Heterogeneous vs. Homogeneous Catalysis: Comparative Insights and Breakthroughs
Abstract: Catalysis, a pivotal process in chemical reactions, can be classified into two main types: heterogeneous and homogeneous catalysis. This comparative analysis delves into the distinctions, advantages, and breakthroughs in both domains. Heterogeneous catalysis, involving catalysts in a different phase than the reactants, is characterized by ease of separation and catalyst recovery, making it industrially favorable. Conversely, homogeneous catalysis, where catalysts and reactants share the same phase, offers superior selectivity and …
Published in Journal of Catalyst & Catalysis · Vol. 10, Issue 3, 2023 · pp. 1–7 Read article
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Hybrid Machine Learning and Finite Element Framework for Predicting Damage Behavior in Fiber-Reinforced Polymer Composites
Abstract: Fiber Reinforced Polymer (FRP) composites have broad spread use in aerospace, automotive, marine and structural applications due to its high specific strength, stiffness and corrosion resistance. The various damage mechanisms such as matrix cracking, fiber breakage, delamination and interfacial failure, however, make the forecasting of damage particularly complex. In this work, a hybrid machine learning (ML) and finite element (FE) system is proposed for predicting the damage behavior of FRP …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 Read article
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Fabrication and Optimization of Process Parameters for Friction Stir Welding AA7075+10%wt.SiC Composite by Taugchi Method
Abstract: Aluminium alloy 7075 as matrix and silicon carbide (SiC) as reinforcement has been widely used in aircrafts and space industries because of high strength to weight ratio. Fusion welding of this Aluminium Metal Matrix Composite (MMC) will lead to many problems such as porosity, micro-fissuring and hot cracking. However, friction stir welding (FSW) can be used to weld this MMC without above mentioned defects. Objective of this investigation are fabrication …
Published in Journal of Experimental & Applied Mechanics · Vol. 9, Issue 3, 2018 · pp. 102–112 Read article
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Experimental Study on the Strength Enhancement of Carbon Fiber Reinforced GGBS Concrete
Abstract: This study provides an in-depth analysis of the experimental investigation conducted on carbon fiber reinforced GGBS concrete (CFRGC). The primary objective of the research was to evaluate the effects of carbon fibers on various mechanical properties of concrete, with a particular focus on strength parameters. In this study, the carbon fiber content was systematically varied from 0.5% to 1.5% by weight of cement, in increments of 0.5%, to determine the …
Published in Journal of Structural Engineering and Management · Vol. 11, Issue 3, 2024 · pp. 36–50 Read article