Academic literature on the topic 'Interlaminar damping materials'

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Journal articles on the topic "Interlaminar damping materials"

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Saravanos, D. A., and J. M. Pereira. "Dynamic Characteristics of Specialty Composite Structures with Embedded Damping Layers." Journal of Vibration and Acoustics 117, no. 1 (1995): 62–69. http://dx.doi.org/10.1115/1.2873868.

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Damping mechanics for predicting the damped dynamic characteristics in specialty composite structures with compliant interlaminar damping layers are presented. Finite-element based mechanics incorporating a discrete layer (or layer-wise) laminate damping theory are utilized to represent general laminate configurations in terms of lay-up and fiber orientation angles, cross-sectional thickness, shape and boundary conditions. Evaluations of the method with exact solutions and experimental data illustrate its accuracy. Additional parametric studies demonstrate the unique capability of angle-ply co
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Saravanos, D. A. "Integrated Damping Mechanics for Thick Composite Laminates and Plates." Journal of Applied Mechanics 61, no. 2 (1994): 375–83. http://dx.doi.org/10.1115/1.2901454.

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A method for predicting the damped dynamic characteristics of thick composite laminates and plates is presented. Unified damping mechanics relate the damping of composite plates to constituent properties, fiber volume ratio, fiber orientation, laminate configuration, plate geometry, temperature, and moisture. Discrete layer damping mechanics for thick laminates, entailing piecewise continuous displacement fields and including the effects of interlaminar shear damping, are described. A semi-analytical method for predicting the modal damping and natural frequencies of thick simply-supported spec
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Gibson, Ronald F., Yu Chen, and Hui Zhao. "Improvement of Vibration Damping Capacity and Fracture Toughness in Composite Laminates by the Use of Polymeric Interleaves." Journal of Engineering Materials and Technology 123, no. 3 (2001): 309–14. http://dx.doi.org/10.1115/1.1370385.

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It is shown that, under certain conditions, simultaneous improvement of vibration damping capacity and interlaminar fracture toughness in composite laminates can be achieved by using polymeric interleaves between the composite laminae. The specific case of Mode II interlaminar fracture toughness and flexural damping capacity of interleaved composite laminates is studied. Graphite/epoxy, E-glass/epoxy and E-glass/polyetherimide composite laminates with polymeric interleaves of several different thicknesses and materials were tested using both the end notch flexure (ENF) test for Mode II fractur
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Lakshmaiya, Natrayan, Seeniappan Kaliappan, Pravin P. Patil, et al. "Influence of Oil Palm Nano Filler on Interlaminar Shear and Dynamic Mechanical Properties of Flax/Epoxy-Based Hybrid Nanocomposites under Cryogenic Condition." Coatings 12, no. 11 (2022): 1675. http://dx.doi.org/10.3390/coatings12111675.

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Natural fiber-reinforced polymer composites are gaining in popularity due to recyclability and availability. This research investigates how oil palm shell (OPS) filler materials impact the interlaminar shear and the dynamic properties of flax fiber-reinforced hybrid composites under cryogenic circumstances. Filler materials in two different proportions (0, 2, 4, and 6 wt.% OPS) and 40 wt.% flax fibers were used to make composites. The OPS filler-filled polymeric materials were invented through typical hand lay-up. The hybrid materials were imperiled to liquid nitrogen for varying amounts of ti
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Zhou, Shihao, Yuanchang Lai, Junchi Ma, et al. "Synchronous Improvement of Mechanical and Damping Properties of Structural Damping Composites with Polyetherimide Non-Woven Fabric Interlayers Loaded with Polydopamine and Carbon Nanotubes." Polymers 15, no. 14 (2023): 3117. http://dx.doi.org/10.3390/polym15143117.

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Structural damping composites exhibit considerable potential in aerospace and other fields due to their excellent damping and vibration reduction performance, as well as their structural carrying capacity. However, conventional structural damping composite materials generally do not combine excellent mechanical and damping properties at the same time, which makes it difficult for them to meet the practical demand in engineering. In this paper, polyetherimide (PEI) non-woven fabric interlayer materials loaded with quantified polydopamine (PDA) and carboxylated multi-walled carbon nanotubes (MWC
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Lu, Wenjiang, Faxiang Qin, Yunfei Wang, et al. "Engineering Graphene Wrinkles for Large Enhancement of Interlaminar Friction Enabled Damping Capability." ACS Applied Materials & Interfaces 11, no. 33 (2019): 30278–89. http://dx.doi.org/10.1021/acsami.9b09393.

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Badre-Alam, A., K. W. Wang, and F. Gandhi. "An analysis of interlaminar stresses in active constrained layer damping treatments." Journal of Sound and Vibration 269, no. 3-5 (2004): 965–90. http://dx.doi.org/10.1016/s0022-460x(03)00208-6.

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Kumar, Raj, S. Mohan Kumar, M. E. Shashi Kumar, et al. "Thermogravimetric Analysis and Mechanical Properties of Pebble Natural Filler-Reinforced Polymer Composites Produced through a Hand Layup Technique." Advances in Materials Science and Engineering 2022 (September 20, 2022): 1–8. http://dx.doi.org/10.1155/2022/1837741.

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Using pebble and fibre in an epoxy matrix, the mechanical, dynamic, and thermal characteristics of a composite were examined. Tensile, flexural, impact, and interlaminar shear strengths are experimentally determined. In this study, we compare the mechanical performance of carbon fibre composites composed entirely of conventional epoxy (NE). The results of a comparative investigation using 15 and 20% carbon fibre in an epoxy matrix are presented. Additional categories for compressive strength and damping ratio were defined based on this performance. The epoxy resin was combined with carbon fibr
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Yim, Jong Hee, B. Z. Jang, J. C. Suhling, and J. W. Gillespie. "Effects of interlaminar stresses on damping of 0-degree unidirectional laminated composites." Polymer Composites 20, no. 6 (1999): 796–803. http://dx.doi.org/10.1002/pc.10403.

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Pan, Jiao, Min Li, Shaokai Wang, Yizhuo Gu, Qingwen Li, and Zuoguang Zhang. "Hybrid effect of carbon nanotube film and ultrathin carbon fiber prepreg composites." Journal of Reinforced Plastics and Composites 36, no. 6 (2016): 452–63. http://dx.doi.org/10.1177/0731684416684020.

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This paper successfully interlaced floating catalyst chemical vapor deposition-grown carbon nanotube film and ultrathin carbon fiber prepreg to achieve strong and flexible carbon nanotube/carbon fiber hybrid composites with high carbon nanotube loading. Epoxidation was also introduced to improve interlaminar interfacial bonding. It was found that pristine carbon nanotube film/carbon fiber interply hybrid composite (carbon fiber/carbon nanotube/carbon fiber) showed sudden and brittle failure, while epoxidation caused a gradual failure behavior. Hybrid effect analysis suggested that the improved
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Dissertations / Theses on the topic "Interlaminar damping materials"

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FERRARIS, ALESSANDRO. "Automotive composite components design and test: a vibration reduction oriented approach." Doctoral thesis, Politecnico di Torino, 2017. http://hdl.handle.net/11583/2674339.

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Vehicle manufacturers initially relied on horsepower and speed performances as “standout qualities” to sell their products, but as time progressed, it became increasingly clear that customers were very much concerned about their comfort and safety while driving vehicles. In the late seventies, requirements for driver and passenger comfort were increased significantly, since-then, a large amount of effort has been invested into the vehicle improvement of noise and vibration reduction nevertheless enhancing the safety. Nowadays NVH performance is considered as a critical factor in the purchase
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Conference papers on the topic "Interlaminar damping materials"

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Badre-Alam, Askari, Farhan Gandhi, and Kon-Well Wang. "Improved constrained-layer damping treatment design for high damping and low interlaminar stresses." In SPIE's 7th Annual International Symposium on Smart Structures and Materials, edited by T. Tupper Hyde. SPIE, 2000. http://dx.doi.org/10.1117/12.384560.

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Kiasat, Shabnam. "Novel approach to damage detection in laminated structures: modal damping as a damage indicator." In IV Aerospace PhD-Days. Materials Research Forum LLC, 2024. http://dx.doi.org/10.21741/9781644903193-8.

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Abstract. This paper provides a general overview of the author’s Ph.D. research. It emphasizes the criticality of damage detection in composite materials, focusing on interlaminar delamination. It introduces vibration-based non-destructive testing (NDT) techniques and modal damping analysis as a novel damage indicator and highlights their real-time capabilities and sensitivity to subtle defects. Numerical modeling benefits and challenges in understanding modal damping behavior are discussed. The review covers research on modal damping modeling, its application in detecting interlaminar delamin
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Pratt, William F., Christopher A. Rotz, and C. Greg Jensen. "On the Use of Continuous Wave-Like Geometric Fiber Patterns in Composite Structures to Improve Structural Damping." In ASME 1996 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/imece1996-0651.

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Abstract The use of continuous wave-like geometric fiber oriented patterns in carbon fiber reinforced plastics to improve damping is investigated. Previous work showed the superiority of stress coupled, co-cured interlaminar viscoelastic materials, where layers of viscoelastic materials are interleaved with layers of carbon fiber reinforced plastics in unique chevron like patterns. Results revealed structural damping several orders of magnitude higher than conventional methods. Continuous wave-like geometric oriented patterns induced in fiber composites further improve the dynamics of stress-c
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Gibson, Ronald F., and Hui Zhao. "Improvement of Vibration Damping Capacity and Fracture Toughness in Composite Laminates by the Use of Polymeric Interleaves." In ASME 1999 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/imece1999-0213.

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Abstract It is shown that simultaneous improvement of vibration damping capacity and interlaminar fracture toughness in composite laminates can be achieved by using polymeric interleaves between the composite laminae. The specific case of Mode II interlaminar fracture toughness and flexural damping capacity of interleaved composite laminates is studied. Graphite/epoxy, E-glass/epoxy and E-glass/polyetherimide composite laminates with polymeric interleaves of several different thicknesses and materials were tested using both the end notch flexure (ENF) test for Mode II fracture toughness and th
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Wang, Zijian, Jiguo Zhang, Yong Chen, Lu Jin, and Xu Tang. "Layout optimization of constrained damping material for Composite fan blade." In GPPS Hong Kong24. GPPS, 2023. http://dx.doi.org/10.33737/gpps23-tc-037.

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Compared with traditional titanium alloy fan blade, carbon fiber composite blade has the characteristics of high specific strength, strong designability and fatigue damage tolerance. However, the interlaminar properties of composite material are poor, and the resistance to delamination and impact is weak. To effectively reduce vibration stress of structure and to extremely improve the service life, reasonable layout of constrained layer damping (CLD) material is designed. In this paper, a layout optimization method of CLD material for composite fan blades is proposed. By shell element normal s
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Ferrero, Laura, and Ugo Icardi. "Optimization of Multi-Core Sandwich Composites Undergoing Impact Loads." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-42851.

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In this paper, multiple cores sandwich composites undergoing impact loads are optimized in order to improve their resistance to the impact-induced delamination. This peculiar type of composites is characterized by one internal face splitting the core in two parts. Owing to their architecture with an intermediate and two external faces, their additional tailoring capability offers potential advantages in terms of energy absorption capability and damage tolerance behavior over conventional sandwich composites. Obviously, an accurate assessment of the interfacial stress fields, of their damage ac
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