Search or ask a question

What is current research status of delaminated buckling composite unidirectional panels glass?

Dynamic load testing

Bearing (mechanical)

Bearing capacity

Composite laminates

Unilateral contact

Best insight from top research papers

Current research on delaminated buckling of composite unidirectional glass panels indicates a focus on enhancing buckling strength through methods like stitching with aramid threads . Studies also explore the effects of delamination on critical buckling loads, showing that critical buckling load failure increases in stitched laminates compared to unstitched ones . Additionally, investigations consider the stability of bidirectional delaminated composite panels under various conditions, highlighting a decrease in natural frequencies and buckling loads with increased delamination in hygrothermal environments . The research emphasizes the importance of understanding delamination effects on composite structures to prevent premature collapse due to buckling, making it a significant area of interest in composite material studies .

Answers from top 5 papers

PDF

Open Access

More filters

Papers (5)	Insight
Journal Article•DOI Numerical and experimental study on buckling behaviour of multiple delaminated composite plates Jayaram Mohanty, Shishir Kr. Sahu, Pravat Kr. Parhi - Show less +2 more 10 Nov 2013-International Journal of Structural Integrity 10 Citations	The current research focuses on the buckling behavior of delaminated composite plates, showing decreased buckling load with increased delamination area and fiber orientation angle, and increased load with more layers.
Journal Article•DOI Buckling Analysis of Stitched and Unstitched Glass Epoxy Composites R. Muruganandhan, Murali Vela - Show less +1 more 01 Sep 2011-Advanced Materials Research	Current research indicates that stitched glass epoxy composites show increased critical buckling load compared to unstitched composites, with a decrease in critical load as aspect ratio increases.
Journal Article•DOI Experimental investigation of delamination buckling of stitched composite laminates Madhusudhana R. Parlapalli, Kwok C. Soh, Dong W. Shu, Guowei Ma - Show less +3 more 01 Sep 2007-Composites Part A-applied Science and Manufacturing 81 Citations	Stitching with Kevlar® or Twaron® threads enhances buckling strength of delaminated glass/epoxy composite laminates, especially for delamination lengths exceeding 0.5L, where L is the laminate length.
Journal Article•DOI Research Situation of the Unilateral Contact Buckling of Thin Wall Steel-Concrete Composite Panels Bing Qing Xia, Jun Dong, Lan Zong - Show less +2 more 01 May 2011-Advanced Materials Research	Not addressed in the paper.
Open access•Dissertation Vibration, Buckling and Parametric Instability of Delaminated Composite Panels in Hygrothermal Environment H.S. Panda 01 Jan 2016 1 Citations	Not addressed in the paper.

My columns

Related Questions

What are the current research efforts focused on improving the damage tolerance of SENT for crack propagation?5 answersCurrent research efforts are concentrated on enhancing the damage tolerance of Single-Edge Notched Tension (SENT) specimens for crack propagation. Studies explore various approaches such as crack initiation criteria, propagation models, and influencing factors to understand the crack propagation pattern. Additionally, research delves into utilizing bamboo-inspired void patterns to geometrically enhance the failure properties of structures made from brittle polymers, resulting in a significant increase in the work of fracture through crack blunting and stress redistribution mechanisms. Furthermore, investigations focus on the impact and failure effects of hydraulic electric pulses on coal, revealing that high voltage electric pulses can effectively create artificial cracks, leading to increased permeability and the formation of a multiangle crack spatial network structure.

What is current research status of delaminated composite unidirectional panels glass?5 answersCurrent research on delaminated composite unidirectional glass panels indicates advancements in detecting and mitigating defects. Studies show that through-the-thickness stitching with aramid threads like Kevlar® and Twaron® enhances buckling strength in glass/epoxy composites with delaminations exceeding 0.5L. Additionally, 3D THz imaging is effective in identifying hidden defects like delamination and consolidation in glass fabric reinforced thermoplastic composites, with successful detection using a 700-GHz imaging system. Furthermore, fatigue growth of internal delaminations in glass/epoxy composites under cyclic compression reveals the impact of delamination location on growth rates, with faster growth observed in graphite/epoxy specimens. Modeling damage in large woven roving E-glass/vinyl-ester composite panels subjected to shock loads highlights the use of resin-rich layers and Hashin’s failure criteria for accurate simulations. Lastly, a novel application of Hi-Bi PCF embedded in glass composite specimens shows promise in detecting delamination through vibration signatures.

What is the latest research on dyslexia?4 answersRecent research on dyslexia has focused on various aspects of the disorder. One area of interest is the disfluency effect in typography research, which aims to understand the impact of typography on readability and comprehension. Another line of research explores the link between statistical learning and dyslexia, with some evidence suggesting impaired statistical learning in adults with dyslexia. Epidemiological studies have shown that dyslexia is highly prevalent, affecting 10-20% of the population, and research has examined the research status and development characteristics of dyslexia across different countries and institutions. Studies have also investigated the heterogeneity of dyslexia and its co-occurrence with other developmental disorders, such as ADHD and DCD, highlighting the need for future research to consider comorbidities. Additionally, research in neuroscience has contributed to the understanding of dyslexia, particularly in relation to brain activity and the effects of psychopedagogical interventions.

What are the latest developments in polymer composite materials?5 answersThe latest developments in polymer composite materials include advancements in polymer matrix composites with particulate reinforcements. These composites have shown great potential in industries such as aerospace, automotive, and construction, as they improve mechanical properties while maintaining a low weight. Another area of development is the use of polymer composites as implant materials in the biomedical industry. These composites offer a viable alternative to conventional materials used in body implants, such as metals, due to their compatibility with the human body. Additionally, there has been research on utilizing natural fibers, such as Date Palm fibers, in polymer composites, which provide eco-friendly alternatives to synthetic composites. Furthermore, there have been advancements in the field of metal-organic frameworks (MOFs) combined with polymers to create hybrid materials with unique properties. Lastly, there have been innovations in polymer and polymer composites for food packaging applications, including the use of biodegradable polymers and the development of improved, active, and intelligent packaging.

What are the latest developments in the use of fiberglass?5 answersThe latest developments in the use of fiberglass include its application in the consolidation and improvement of the properties of complementing materials used in the conservation of archaeological glass. Glass fiber composites are being used in various sectors such as automobile, industrial, marine engineering, and construction due to their inexpensive and lightweight properties. In the wind power industry, composites, including fiberglass, play a crucial role in the development of low-cost renewable energy. Fiberglass is also being explored for its potential in the design of vehicles, with a focus on increasing recyclability and using lightweight materials. In the oil and gas industry, fiberglass tubulars have been widely used due to their resistance to corrosion, high strength-density ratio, and low installation cost. These developments highlight the versatility and advantages of fiberglass in various industries and applications.

What are the latest developments in the field of composites for restorative dentistry?4 answersThe latest developments in the field of composites for restorative dentistry include research on materials with low polymerization shrinkage and increased mechanical properties. There is also a focus on materials that are antimicrobial or designed to release ions for stimulating remineralization of dental tissues. A recent study used Raman Spectroscopy and micro-CT imaging to correlate the degree of conversion of bulk-fill composites to contraction shrinkage and internal gap formation in dental cavities. The study found minimal gap opening after light-curing and a correlation between the degree of conversion and the volumetric interfacial gap. Smart materials, such as smart ceramics and smart composites, are revolutionizing dentistry by being altered in a controlled fashion by various stimuli. Recent developments in resin-based dental composites focus on addressing challenges like bulk/marginal fracture and secondary caries, and improving the longevity of restorations.

See what other people are reading

What is the important of locating car parked?

Locating parked cars is crucial for various reasons. It aids in easily finding vehicles in crowded parking lots or multilevel parking areas, enhancing convenience for drivers. Systems utilizing wireless communication help determine parked locations accurately, ensuring efficient retrieval. Additionally, methods involving close-range communication connections between vehicles and portable devices facilitate navigation to parked cars using stored position data. Car locators with features like anti-skidding designs and compression springs securely hold vehicles in place, preventing movement when parked. Overall, efficient car locating systems streamline the process of finding parked vehicles, saving time and effort for drivers.Is scovile a real measuring system?

Yes, Scoville is a real measuring system. However, the contexts provided do not specifically mention the Scoville scale. Instead, they discuss various real-time measuring systems such as a belt conveyor bearing real-time temperature measuring system, an intelligent highway real-time speed measuring system, a vehicle real-time speed measuring and monitoring system, a real-time distance measuring system for an automobile data recorder, and a real-time wind speed measuring system. These systems utilize different technologies like temperature sensors, GPS, laser radar, wind speed sensors, and more to measure and monitor various parameters in real-time. Therefore, while the Scoville scale is not explicitly mentioned in the provided contexts, real measuring systems for different purposes are indeed real and actively used in various applications.What are the advantages of hand lay-up for composite fabrication?

Hand lay-up for composite fabrication offers several advantages. The traditional wet hand lay-up process, when combined with a vacuum bag (WLVB), results in laminates with superior mechanical properties, including higher strength and stiffness, increased fiber volume fraction, and reduced void volume fraction. Additionally, the use of hand lay-up techniques is preferred due to the high costs associated with automated robotics systems used in composite manufacturing. Robotic layup processes, while aiming for automation, struggle with replicating human movements accurately, especially on complex surfaces, highlighting the adaptability and precision of human operators in hand lay-up processes. Furthermore, hand lay-up methods can be utilized for developing composite materials with natural fiber reinforcements, addressing environmental concerns associated with synthetic fiber composites.How to estimate load in a bearing using strain gauges?

To estimate load in a bearing using strain gauges, a methodological approach involving the installation of strain gauges on the bearing assembly is crucial. The strain gauges measure the strain generated by the load on the bearing, allowing for load estimation. Algorithms based on signal analysis and filtering are utilized to estimate the load from the measured strain, with the position of the strain gauges impacting the accuracy of the estimation. Additionally, incorporating a model of the internal load distribution of the bearing into the estimation process enhances the accuracy of load estimation. By utilizing strain gauges and considering load distribution, uncertainties in parameters, and employing methods like Weighted Least Square, accurate load estimation up to 2.5% with 95% confidence bounds can be achieved. This approach is vital for improving load estimation accuracy and optimizing strain gauge placement on bearings.How to reduce fragmented assembly?

To reduce fragmented assembly, innovative methods like HERA can be employed. HERA efficiently resolves repeats in complex eukaryotic genomes, enhancing genome assemblies by correctly assembling previously unassembled regions and improving contiguity. Another approach involves utilizing a new reassembly method based on contours for 2D irregular fragments, which reduces computational complexity and enhances reassembly results. Additionally, implementing an assembly process suitable for horizontal installation of main drive reducers can help avoid deflection and tilting issues during installation, ensuring proper alignment and reducing errors. By utilizing advanced techniques like these, such as HERA, contour-based reassembly, and optimized assembly processes, fragmented assemblies can be effectively minimized, leading to more accurate and complete genome assemblies.How does the composite shell theory improve the efficiency and accuracy of injection molding processes?

The composite shell theory enhances the efficiency and accuracy of injection molding processes by providing refined models that consider various factors. These models incorporate advanced techniques like the refined zigzag theory (RZT), third-order shear deformation theory, and specialized divergence theorems. By eliminating shear correction factors, satisfying continuity conditions of interlaminar transverse shear stresses, and accurately analyzing static and dynamic responses, these theories offer a comprehensive understanding of composite laminates and fiber preform deformations. Additionally, the use of shell kinematics, compressible flow modeling, and simplified in-plane resin flow representations significantly reduce computational complexity while capturing essential physical phenomena during the molding process. This results in more efficient and precise predictions of shell behavior, aiding in the manufacturing of lightweight, cost-effective, and structurally sound products.How effective are current interventions aimed at improving access to stretchers during emergency care?

Current interventions aimed at improving access to stretchers during emergency care have shown promising results. Studies have highlighted various approaches, such as electronic tracking boards encouraging optimal patient location selection, electric stretchers with stability-enhancing features and automatic operation, and innovative stretcher designs for convenient installation and patient movement. These interventions have demonstrated benefits like reduced total stretcher time, enhanced stability during patient transfer, and increased efficiency in emergency treatment processes. The findings suggest that a combination of technological advancements and ergonomic designs in stretcher systems can significantly impact patient outcomes by streamlining access to stretchers and improving overall care delivery in emergency settings.What are components of pavement?

Pavement components vary based on the type of pavement structure. The components include materials like GA pitch, macadam, rubber powder, epoxy resin powder, magnaglo, pitch-based carbon fiber, stabilizer, acetone, and stearic acid for pavement materials. Additionally, a pavement paving structure consists of layers such as rammed earth, concrete, bonding layer, and permeable asphalt layer, ensuring water permeability and structural stability. To balance fatigue and rutting lives in flexible pavements, factors like thickness, elasticity modulus of asphalt and base layers, and subgrade elasticity modulus are crucial, with specific values recommended for optimal performance. Furthermore, a pavement asphalt mixture includes asphalt, mixed mortar, continuous basalt fiber, and carbon powder, enhancing smoothness and safety. Lastly, a road or airfield pavement structure comprises coarse and fine aggregates, cement, water, fibers, and additives, designed for long service life and graded stress distribution.What is fruit acid peelling?

Fruit acid peeling is a method used for preserving fruits by utilizing acid solutions. This process involves cleaning the fruits with acid solutions to inhibit bacterial growth and enhance preservation. Acid pickling methods are also employed in industries like steel plate processing, where acid pickling tanks and spraying devices are utilized to improve the acid pickling effect and quality while reducing costs. Acid pickling devices are designed with specific components like rotating discs, blade holders, and sucking discs to efficiently peel fruits without causing deviations and ensuring better fixation during the peeling process. Overall, fruit acid peeling involves the use of acid solutions to preserve fruits effectively, inhibit bacterial growth, and enhance nutritional value.How does the efficiency of CNC machines compare to manual machines in terms of crankshaft production?

The efficiency of CNC machines in crankshaft production surpasses that of manual machines significantly. CNC machines offer a streamlined process involving steps like forging, turning, grinding, milling, drilling, chamfering, punching holes, and quenching. Additionally, an NC turning and milling machine for cranks demonstrates 5-8 times higher milling efficiency compared to traditional turning machines. Automation in crankshaft production systems not only reduces costs and enhances productivity but also optimizes parameters for minimal operation costs, showcasing the superiority of CNC machines over manual ones. Furthermore, a specialized crankshaft production milling machine allows for extensive processing of vehicle crankshafts with high precision, speed, and the ability to process multiple crankshaft bent necks simultaneously.Numerical Analysis of Machine Foundation Resting on the Geocell Reinforced Soil Beds?

Numerical analyses have been conducted to study the behavior of machine foundations resting on geocell-reinforced soil beds. The studies explore the impact of dynamic loads on machine foundations and the settlement of soil layers due to induced vibrations. Geosynthetic materials, such as geogrid reinforcement, play a crucial role in controlling settlement and preventing damage to the foundations. Additionally, artificial intelligence techniques have been employed to forecast the vibration response of maritime soil based on geocells, with high accuracy and consistency in predicting peak particle velocity (PPV) levels. The inclusion of geocell reinforcement in the foundation beds significantly improves vibration isolation efficacy, reducing foundation bed strain by up to 67% under dynamic excitation.