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74 articles for “micro-cracking”
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Micro Crack Formation in High Frequency-Electric Resistance Welding
Abstract: The present paper discusses about the formation of micro cracks in base metal adjacent to the weld area during High Frequency-Electric Resistance Welding (HF-ERW) of 10'' outside diameter pipe. The micro crack formation has been analyzed with respect to chemical composition, microstructure, inclusion level, welding parameters and angle of weld flow lines.
Published in Journal of Materials & Metallurgical Engineering · Vol. 4, Issue 2, 2014 · pp. 32–39 Read article
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Thermal Stress Analysis of Neck Tube into Vertical Cryogenic Insulated Cylinders using ANSYS Software: A Review
Abstract: Materials have a significant impact on the progress of one discipline, cryogenics. Technologies based on cryogenics are used in many different fields, including metallurgy, chemistry, the electricity sector, medicine, rocket propulsion, space simulation, food processing via refrigeration, and many more. The current status of research and anticipated advancements in the field of cryogenic materials throughout the coming century cover a wide range of topics. We quickly review the background of …
Published in Journal of Thermal Engineering and Applications · Vol. 10, Issue 1, 2023 · pp. 26–30 Read article
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Performance of Polymer Modified Polypropylene Fiber Reinforced Concrete
Abstract: AbstractThe fiber reinforced concrete (FRC) is a composite material essentially consisting of conventional concrete reinforced by random dispersal of short, discontinuous and discrete fibers of specific geometry. The conventional plain concrete possesses high compressive strength, low tensile strength, poor impact strength, ductility, and little resistance to cracking and poor resistance to chemical attack. The presences of micro-cracks at the mortar aggregate interface are responsible for the inherent weakness of plain …
Published in Journal of Construction Engineering, Technology & Management · Vol. 9, Issue 2, 2019 · pp. 27–36 Read article
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Modeling the Influence of Microcrack Healing on Deformation of Asphalt Concrete Using NDT
Abstract: Asphalt concrete pavement practices heavy loading and environmental impacts through its service life. Micro cracks usually initiate and accumulate to form various types of distresses. However, asphalt concrete has the ability of self-healing with rest periods and hot environment conditions. The mechanical properties of Asphalt concrete is complex due to its dependency of temperature, loading frequency, and strain level. In this investigation, asphalt concrete specimens of wearing, binder and base …
Published in Trends in Transport Engineering and Applications · Vol. 6, Issue 3, 2019 · pp. 37–47 Read article
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Sustainability of Asphalt Pavement in Terms of CraSustainability of Asphalt Pavement in Terms of Crack Healing Phenomena: A Reviewck Healing Phenomena: A Review
Abstract: The Asphalt concrete mixture is considered to have nonlinear viscoelastic behavior, its fatigue life consists of two components, namely the resistance to fracture and crack, and the ability to heal the micro cracks. Both of the processes change with temperature and time. Such processes exhibit the sustainability potential of asphalt concrete pavement. The approach to study this potential requires mechanical tests like creep or relaxation, strength and repeated load tests. …
Published in Trends in Transport Engineering and Applications · Vol. 3, Issue 2, 2016 · pp. 38–55 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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AI-Integrated Graphene-Modified Polymer Interfaces for Real-Time Crack Detection and Autonomous Healing in Smart Concrete Structures
Abstract: This study presents the design and development of a graphene-reinforced multifunctional polymer composite interface engineered for structural reinforcement, self-sensing, and autonomous healing applications in cementitious systems. A thermosetting polymer matrix embedded with graphene nanoplatelets (0.25–1.5 wt.%) was developed to establish a conductive polymer nano-composite network. Electrical characterization confirmed a distinct percolation threshold at ~0.6–0.8 wt.%, beyond which a sharp increase in conductivity was observed due to the formation of interconnected …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 30–42 Read article
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Role of Artificial Intelligence in Structural Health Monitoring-A Brief Evaluation
Abstract: Artificial intelligence (AI) refers to the capacity of a machine or a computer to ‘think’ or reason in the way a human would, utilizing experience, learned facts, and flexible rules to solve problems that may not fit the standard outlines for a normal algorithm. From this follows the utilization of AI in various sectors, such as the information technology (IT) industry, media, healthcare and medicine, logistics, environmental sustainability, finance, business, …
Published in Journal of Structural Engineering and Management · Vol. 13, Issue 1, 2026 · pp. 34–39 Read article
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Microstructural Investigation on Strength of New Age Mortar Synthesis with Thermosetting Polymer, GGBS, Fly Ash and Quarry Dust
Abstract: AbstractThermo setting polymer mortars containing Resin, hardener, fly ash, Quarry dust and GGBS (Ground Granulated Blast furnace slag). Merging representation of bio phenol-A-Di-glycidyl ether-based polymer with fly ash, Quarry dust and GGBS results are presented here for this present study. An innovative process is used to prepare the specimen in mild condition with commercial thermo setting polymer-based resin and hardener, fly ash, GGBS, along with quarry-dust-based paste. Following this procedure, …
Published in Journal of Polymer & Composites · Vol. 11, Issue 1, 2023 · pp. 63–71 Read article
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Evaluation of T-stress using FEM in an Unsymmetrical Cracks Emanating from a Hole Placed Centrally in a Thin Plate
Abstract: Studying the impact of higher order terms of the William’s series expansion on fracture mechanics problems has received more attention in recent years. Research has demonstrated that the constant term T-stress has a significant impact on the stress and strain fields around the crack tip. In response to mixed mode (I/II) loading, a number of fracture criteria had been developed to characterize failure in linear elastic bodies. When evaluating the …
Published in Journal of Materials & Metallurgical Engineering · Vol. 14, Issue 2, 2024 · pp. 09–20 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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Finite Element Modelling of Contact Stresses in Helical Gear Systems
Abstract: Helical gears are widely used in modern power‐transmission systems because of their high load‐carrying capacity, smooth meshing action, and increased overlapping of gear teeth. However, the design of helical gear pairs is constrained by contact stresses generated at the mating tooth surfaces, which can lead to surface fatigue (pitting), micro-cracking, and ultimately gear failure. Traditional analytical methods, such as those of the American Gear Manufacturers Association (AGMA) or International Organization …
Published in Trends in Machine design · Vol. 12, Issue 3, 2025 · pp. 35–39 Read article
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Effect of Aging on the Performance of Polymer Composite: A Review
Abstract: The exceptional robustness, corrosion resistance, and lightweight design, polymer composites (PCs) are crucial to modern engineering escalating the utilization of polymer composite in structural applications including aerospace engineering, automobile engineering, etc. With a greater number of positive aspects, the polymer composite also deteriorate by different environment conditions with their exposing duration considered as aging of polymer composites. However, a variety of elements influencing the ageing process determine their long-term performance. …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 752–768 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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Optimization of Dry sliding Wear Performance of pongamia oil cake filled Basalt Epoxy Composites by Taguchi Approach
Abstract: The study finds a possible utilization of natural pongamia oil cake for developing a new vista in the incorporation of the oily nature of natural waste material into polymer matrix composites. The woven basalt fibres were reinforced within an epoxy matrix incorporated with distinct weight percentages of pongamia oil cake (up to 6wt. %) and composite samples were composed by using resin transfer moulding process. The experimentation has been carried …
Published in Journal of Polymer & Composites · Vol. 7, Issue 2, 2019 · pp. 8–16 Read article
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BUCKLING ANALYSIS OF COMPOSITE CYLINDRICAL SHELL STRUCTURE USING FINITE ELEMENT ANALYSIS
Abstract: When designing cylindrical shells one should consider not only the strength problem in service, but also the buckling problem. Cylindrical shells such as thin-walled structures are susceptible to buckling when subjected to static and dynamic stresses. The vessels are exposed to dynamic sea conditions depending on their usage. The functional failure of a pressurized composite vessel or a composite pipe in the form of leakage or weeping of the contained …
Published in Journal of Polymer & Composites · Vol. 7, Issue 2, 2019 · pp. 32–36 Read article
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Influence of Healing Cycles and Asphalt Content on Resilient Modulus of Asphalt Concrete
Abstract: Asphalt concrete pavement is known to exhibit self-healing ability of micro-cracks under repeated loading with rest period and controlled environment. In this work, an attempt has been made to investigate the influence of healing cycles and asphalt content on resilient modulus of asphalt concrete. Asphalt concrete specimens of 100 mm diameter and 63 mm height have been prepared with optimum asphalt requirement and with additional 0.5% asphalt above and below …
Published in Trends in Transport Engineering and Applications · Vol. 4, Issue 1, 2017 · pp. 23–30 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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Assessment of Matrix Cracking and Fiber Breakage in Hybrid Composite Materials.
Abstract: Hybrid composite materials, combining two or more distinct fiber or matrix constituents, have emerged as advanced structural solutions for aerospace, automotive, marine, and civil engineering applications. However, their complex microstructure makes them susceptible to multiple interacting damage mechanisms, particularly matrix cracking and fiber breakage. This study provides a comprehensive assessment of these damage modes, emphasizing their initiation, evolution, and combined effects on the mechanical integrity of hybrid composites. Matrix cracking …
Published in International Journal of Fracture Mechanics and Damage Science · Vol. 3, Issue 2, 2025 · pp. 1–5 Read article
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Automatic Identification of Obstacles and Crack Sensing Scheme in Rail Tracking System
Abstract: AbstractIn this paper, we have established into the identification of cracks and obstacles in rail tracking system. This system comprises of GSM modem, ultrasonic sensor, proximity sensor, PIC microcontroller to bring into the operation the crack detection and obstacle detection. The GSM modem contributes in transmission of railway geometric parameter of crack detection to the control room. Ultrasonic and Proximity sensors are used to detect the obstacles and crack in …
Published in Journal Of Network security · Vol. 7, Issue 2, 2019 · pp. 6–10 Read article