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Journal articles on the topic 'CNT Reinforced Laminates'

Author: Grafiati

Published: 5 June 2025

Last updated: 2 August 2025

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1

Raju, D. Dhanunjaya, and Dr V. V. Subba Rao. "Effect of Carbon Nanotubes Volume Fraction on the Deflections and Stresses of Laminated Hybrid Composite Plates using First-Order Shear Deformation Theory." International Journal of Innovative Technology and Exploring Engineering 11, no. 9 (2022): 67–73. http://dx.doi.org/10.35940/ijitee.g9248.0811922.

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Carbon Nanotubes reinforced composite materials are widely used in aerospace engineering due to high strength-to-weight ratios, which can be tailored per requirements. The behaviour of the composite structures depends on various factors like, Lamination scheme, Ply orientation and loading conditions. In the present work, Static deflection and stresses analysis of a Carbon Nano Tube reinforced laminated hybrid composite plate extends the First Order Shear Deformation Theory with variable ply angles and volume fractions of CNT. A micromechanics model based on the Mori-Tanaka method is used to ca

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D., Dhanunjaya Raju, and V. V. Subba Rao Dr. "Effect of Carbon Nanotubes Volume Fraction on the Deflections and Stresses of Laminated Hybrid Composite Plates using First-Order Shear Deformation Theory." International Journal of Innovative Technology and Exploring Engineering (IJITEE) 11, no. 9 (2022): 67–73. https://doi.org/10.35940/ijitee.G9248.0811922.

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<strong>Abstract</strong>: Carbon Nanotubes reinforced composite materials are widely used in aerospace engineering due to high strength-to-weight ratios, which can be tailored per requirements. The behaviour of the composite structures depends on various factors like, Lamination scheme, Ply orientation and loading conditions. In the present work, Static deflection and stresses analysis of a Carbon Nano Tube reinforced laminated hybrid composite plate extends the First Order Shear Deformation Theory with variable ply angles and volume fractions of CNT. A micromechanics model based on the Mori-

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3

Bhanushali, Hardik, and Philip D. Bradford. "Woven Glass Fiber Composites with Aligned Carbon Nanotube Sheet Interlayers." Journal of Nanomaterials 2016 (2016): 1–9. http://dx.doi.org/10.1155/2016/9705257.

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This investigation describes the design, fabrication, and testing of woven glass fiber reinforced epoxy matrix laminates with aligned CNT sheets integrated between plies in order to improve the matrix dominated through thickness properties such as the interlaminar fracture toughness at ply interfaces. Using aligned CNT sheets allows for a concentration of millimeter long CNTs at the most likely point of laminate failure. Mode I and Mode II interlaminar fracture toughness of various CNT modified samples were investigated using double cantilever beam (DCB) and end notched flexure (ENF) experimen

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Tanaka, Kazuto, Ken Uzumasa, and Tsutao Katayama. "Effect of CNT Grafting on Carbon Fibers on Impact Properties of CFRTP Laminate." Key Engineering Materials 774 (August 2018): 410–15. http://dx.doi.org/10.4028/www.scientific.net/kem.774.410.

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Carbon fiber reinforced thermoplastics (CFRTP) are expected to be used as a structural material for aircraft and automobiles not only for their mechanical properties such as high specific strength and high specific rigidity but also for their high recyclability and short molding time. Generally, in a composite material having a laminated structure, interlaminar delamination is often caused by an out-of-plane impact, so the interlayer property plays an important role in the mechanical properties. It has been reported that the fiber/matrix interfacial strength increases by grafting carbon nanotu

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5

Shen, Shirley Zhiqi, Stuart Bateman, Qiang Yuan, Mel Dell'Olio, Januar Gotama, and Dong Yang Wu. "Thermal Properties and Fire Performance of Woven Glass Fibre Reinforced Nylon 6 Nano-Composites with Carbon Nanotubes." Advanced Materials Research 32 (February 2008): 9–12. http://dx.doi.org/10.4028/www.scientific.net/amr.32.9.

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This paper presents the effects of incorporating carbon nanotubes (CNT) into nylon 6 on thermal properties and fire performance of woven glass reinforced CNT/nylon 6 nanocomposite laminates. Incorporation of CNT in nylon 6 improved the thermal stabilities, thermal conductivity and fire performance of laminates without compromising their mechanical properties. The thermal conductivity of laminates with 2 wt% CNT increased up to 42% compared to that without CNT. The ignition time and peak HRR time was delayed approx. 31% and 118%, respectively, in laminates with 4 wt% CNT in nylon 6 over that wi

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Santo, Loredana, Denise Bellisario, Leandro Iorio, et al. "Composite Laminates with Recycled Carbon Fibres and Carbon Nanotubes." Materiale Plastice 57, no. 1 (2020): 86–91. http://dx.doi.org/10.37358/mp.20.1.5315.

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Carbon fibre reinforced composites were manufactured by using recycled carbon fibres (CF) and carbon nanotubes (CNT). Dry fabrics were impregnated by hot melting with 1 wt% CNT filled epoxy resin to produce prepregs. Subsequently, composite laminates were manufactured by vacuum bagging and autoclave moulding. Only materials and industrial equipment were used for the laminate production. Laminates with unfilled resin and virgin CFs were also manufactured for comparison. Samples were extracted for physical and mechanical measurements. Dynamic mechanical analyses and bending tests were carried ou

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Huang, Bin, Yan Guo, Ji Wang, et al. "Bending and free vibration analyses of antisymmetrically laminated carbon nanotube-reinforced functionally graded plates." Journal of Composite Materials 51, no. 22 (2016): 3111–25. http://dx.doi.org/10.1177/0021998316685165.

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In this paper, a simple four-variable first-order shear deformation theory is further applied to solve the bending and free vibration problems of antisymmetrically laminated functionally graded carbon nanotube (FG-CNT)-reinforced composite plates. The adopted four-variable theory contains only four unknowns in its displacement field which is less than the Reddy’s first-order theory. The equations of motion are derived from the Hamilton’s principle with the help of specific boundary conditions. Laminated FG-CNT-reinforced plates with different distribution types of carbon nanotube through the t

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Zakaria, Muhammad Razlan, Hazizan Md Akil, Mohd Firdaus Omar, Mohd Mustafa Al Bakri Abdullah, Aslina Anjang Ab Rahman, and Muhammad Bisyrul Hafi Othman. "Improving flexural and dielectric properties of carbon fiber epoxy composite laminates reinforced with carbon nanotubes interlayer using electrospray deposition." Nanotechnology Reviews 9, no. 1 (2020): 1170–82. http://dx.doi.org/10.1515/ntrev-2020-0090.

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AbstractThe electrospray deposition method was used to deposit carbon nanotubes (CNT) onto the surfaces of woven carbon fiber (CF) to produce woven hybrid carbon fiber–carbon nanotubes (CF–CNT). Extreme high-resolution field emission scanning electron microscopy (XHR-FESEM), X-ray diffraction (XRD), Raman spectroscopy and Fourier transform infrared spectroscopy (FT-IR) were used to analyze the woven hybrid CF–CNT. The results demonstrated that CNT was successfully and homogenously distributed on the woven CF surface. Woven hybrid CF–CNT epoxy composite laminates were then prepared and compared

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9

Li, Zhouyi, Haoran Liu, and Yuan Li. "Study on Mechanical Properties of Carbon Nanotube Reinforced Composites." Polymers 15, no. 16 (2023): 3362. http://dx.doi.org/10.3390/polym15163362.

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In this study, carbon fiber composite laminates were modified by carbon nanotube films. In-plane and out-of-plane compression tests were carried out in a wide strain rate range (10−3–103/s). Results display that the out-of-plane compressive properties are improved by CNT interlaminar toughening because CNT can hinder the propagation of interlayer cracks; however, the dynamic in-plane compression performance is decreased due to the lack of resin in CNT film that leads to delamination inside of CNT film in advance. To optimize the material preparation process, two methods were used to prepare th

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10

Zhang, Han, Manabu Kuwata, Emiliano Bilotti, and Ton Peijs. "Integrated Damage Sensing in Fibre-Reinforced Composites with Extremely Low Carbon Nanotube Loadings." Journal of Nanomaterials 2015 (2015): 1–7. http://dx.doi.org/10.1155/2015/785834.

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A nanoengineered hybrid composite system has been developed, with integrated damage sensing capabilities at extremely low carbon nanotube (CNT) contents. The employed simple spray coating technique offers good spatial control and the possibility of localized CNT deposition, especially near the fibre/matrix interface, solving traditional problems associated with the incorporation of nanofillers in fibre-reinforced composite laminates such as increased resin viscosity and filtering effects. Moreover, the employed spraying technology has good potential for industrial scale-up.In situdamage sensin

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Randjbaran, Elias, Dayang Laila Abdul Majid, MTH Sultan, Norkhairunnisa Mazlan, and Rizal Zahari. "Tensile strength of reinforced laminates after oblique ballistic impact: An experimental study." Journal of Industrial Textiles 52 (August 2022): 152808372211219. http://dx.doi.org/10.1177/15280837221121943.

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The present study endeavoured to examine the tensile strength of the laminates, which were made of carbon/Kevlar hybrid reinforced fibre with carbon nanotubes (CNTs) post oblique impacts. Although a number of experimental investigations on tensile properties of CNTs have been already performed, the coupling effects of CNTs and oblique impacts on tensile strength have yet to be reported. Due to the superior elastic modulus, the advanced nano-fillers were chosen as reinforcement of the carbon/Kevlar hybrid fibre. The inter-ply woven fabric possess high strength and excellent toughness due to the

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12

Ansari, Md, Ajay Kumar, Danuta Barnat-Hunek, Zbigniew Suchorab, Wojciech Andrzejuk, and Dariusz Majerek. "Static and Dynamic Response of FG-CNT-Reinforced Rhombic Laminates." Applied Sciences 8, no. 5 (2018): 834. http://dx.doi.org/10.3390/app8050834.

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13

Yan, Xu, Liang Qiao, Hao Tan, et al. "Effect of Carbon Nanotubes on the Mechanical, Crystallization, Electrical and Thermal Conductivity Properties of CNT/CCF/PEKK Composites." Materials 15, no. 14 (2022): 4950. http://dx.doi.org/10.3390/ma15144950.

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Carbon nanotube/continuous carbon fiber–reinforced poly(etherketoneketone) (CNT/CCF/PEKK) prepreg tapes were prepared by the wet powder impregnation method, and then the prepreg tapes were molded into laminates. The effects of carbon nanotubes on the mechanical properties, conductivity, thermal conductivity and crystallinity of the composites were studied by universal testing machine, thermal conductivity and resistivity tester, dynamic mechanical analyzer (DMA) and differential scanning calorimeter (DSC). The results show that when the content of carbon nanotubes is 0.5 wt% (relative to the m

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14

Tanaka, Kazuto, Munetaka Kawabe, and Tsutao Katayama. "Bending Properties of CFRTP Laminate Using CNT Grafted Carbon Fiber." Key Engineering Materials 774 (August 2018): 423–28. http://dx.doi.org/10.4028/www.scientific.net/kem.774.423.

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Carbon Fiber Reinforced Thermoplastics (CFRTP), which have a short production cycle time and high specific strength and stiffness, are focused on in the automobile industry. Generally, the mechanical properties of FRP are affected by the interfacial strength between the reinforcing fiber and matrix, so the control of the interfacial strength between the reinforcing fiber and matrix is important. Compared to CFRP with epoxy resin, the interfacial strength between the reinforcing fiber and matrix of CFRTP is relatively low. Recently, a method to improve the interfacial strength between the reinf

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15

Wang, Xinrui, Stephen Kirwa Melly, Nan Li, et al. "Helical milling response of glass fiber-reinforced polymer composite with carbon nanotube buckypaper interlayer." Polymers and Polymer Composites 28, no. 6 (2019): 378–87. http://dx.doi.org/10.1177/0967391119879296.

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Fiber-reinforced polymer composites are increasingly utilized in applications where both the weight and the strength of the components are critical as in the aerospace industry. However, the full utilization of these materials could be hindered by the weak out-of-plane properties which precipitate delamination. Carbon nanotubes (CNTs) have recently gained massive interests due to its superior mechanical properties, which are excellent for improving the fiber/matrix interface. The current study considered two specimens of glass fiber-reinforced polymer composites (with and without CNT buckypape

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16

Zhao, Hongchen, Yunxiao Zhang, Yunfu Ou, et al. "Maximizing Interlaminar Fracture Toughness in Bidirectional GFRP through Controlled CNT Heterogeneous Toughening." Polymers 16, no. 7 (2024): 1011. http://dx.doi.org/10.3390/polym16071011.

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“Interleaving” is widely used for interlaminar toughening of fiber-reinforced composites, and the structure of interleaving is one of the important factors affecting the toughening efficiency of laminates. Several experiments have demonstrated that compared to continuous and dense structures, toughening layers with structural heterogeneity can trigger multiple toughening mechanisms and have better toughening effects. On this basis, this work further investigates the application of heterogeneous toughening phases in interlaminar toughening of bidirectional GFRP. CNT was selected to construct to

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17

Weidt, David, Łukasz Figiel, and Martin Buggy. "Influence of Interphase Properties on the Macroscopic Response of Single- and Double-Walled CNT/Epoxy Nanocomposites: A Numerical Study." Materials Science Forum 714 (March 2012): 3–11. http://dx.doi.org/10.4028/www.scientific.net/msf.714.3.

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A concept for improving the impact resistance of carbon fibre reinforced plastic (CFRP) laminates by using a carbon nanotube (CNT)/epoxy surface coating is presented. An initial parametric numerical study shows the effects of interphase properties on the macroscopic stress-strain behaviour of carbon nanotube/epoxy nanocomposites. Finite element (FE) simulations carried out for fully aligned single-walled CNTs (SWCNTs) and double-walled CNTs (DWCNTs) investigated the influence of properties of the polymer/CNT interphase and the interwall phase of DWCNTs. They reveal that a high shear stiffness

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18

Rao, Chukka Atchuta, K. S. R. Krishna Murthy, and Debabrata Chakraborty. "Numerical study to investigate the influence of CNTs on delamination resistance in broken ply carbon/epoxy composites." IOP Conference Series: Materials Science and Engineering 1248, no. 1 (2022): 012066. http://dx.doi.org/10.1088/1757-899x/1248/1/012066.

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Abstract In fibre reinforced polymer (FRP) composite laminates subjected to low velocity impact, one of the common mode of failure is ply breakage followed by interfacial delamination at the site of ply break. Improving the delamination resistance at the interface is therefore important and the present work examines quantitative understanding of how the addition of CNTs to epoxy might enhance the resistance to such delamination at the interface. A laminate made of plies with CNT-epoxy as the matrix and carbon fibre as the reinforcement has been considered to be broken through the full width. A

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19

Badawy, AA, and EU Khashaba. "Impact and mechanical properties of different composite systems modified with multi-walled carbon nanotubes." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 234, no. 20 (2020): 4087–100. http://dx.doi.org/10.1177/0954406220919445.

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Kevlar and glass fiber composites have distinguished mechanical properties such as specific strength and stiffness, resistance to impact loading, and tailoring the overall properties to meet the needs of a specific application. Enhancing their mechanical properties via incorporation of carbon nanotubes (CNTs) into their polymer matrices and proper characterization are very important for automotive and aerospace applications, which is the main objective of this study. This article presents an experimental study on manufacturing and mechanical characterization of six different materials. The tes

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20

Dydek, Kamil, Anna Boczkowska, Paulina Latko-Durałek, Małgorzata Wilk, Karol Padykuła, and Rafał Kozera. "Effect of the areal weight of CNT-doped veils on CFRP electrical properties." Journal of Composite Materials 54, no. 20 (2020): 2677–85. http://dx.doi.org/10.1177/0021998320902227.

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The main goal of this work was the increasing electrical conductivity of carbon-epoxy composites due to implementation of thermoplastic nonwoven veils doped with carbon nanotubes into the composite structure. Nonwovens which differ in areal weight were produced by extrusion of fibers and their thermal pressing. Laminates were fabricated using an out-of-autoclave method and nonwovens were incorporated between each layer of carbon-epoxy unidirectional prepreg. The applied conductive nonwovens improved surface and volume electrical conductivity of carbon fibre reinforced polymer in all directions

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21

Korayem, Asghar H., Yan Ming Liu, Xiao Ling Zhao, and Wen Hui Duan. "Bond Characterization of Steel-CFRP with Carbon Nanotube Modified Epoxy Adhesive via Pull-off Tests." International Journal of Structural Stability and Dynamics 15, no. 08 (2015): 1540027. http://dx.doi.org/10.1142/s0219455415400271.

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This paper presents an experimental investigation of the bond strength between carbon fiber reinforced polymer (CFRP) and steel substrate by utilizing the pull-off test and scanning electron microscope (SEM) analysis. A series of pull-off experiments was conducted by using three types of CFRP (CFRP sheets and CFRP laminates with/without woven mesh) and two types of epoxy adhesive (ductile and brittle epoxy adhesive) with/without carbon nanotube (CNT) modification. Pull-off samples with CFRP laminates possess higher (about double) bond strength than that of samples with CFRP sheets, due to the

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22

Sharma, Kamal, and Mukul Shukla. "Three-Phase Carbon Fiber Amine Functionalized Carbon Nanotubes Epoxy Composite: Processing, Characterisation, and Multiscale Modeling." Journal of Nanomaterials 2014 (2014): 1–10. http://dx.doi.org/10.1155/2014/837492.

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The present paper discusses the key issues of carbon nanotube (CNT) dispersion and effect of functionalisation on the mechanical properties of multiscale carbon epoxy composites. In this study, CNTs were added in epoxy matrix and further reinforced with carbon fibres. Predetermined amounts of optimally amine functionalised CNTs were dispersed in epoxy matrix, and unidirectional carbon fiber laminates were produced. The effect of the presence of CNTs (1.0 wt%) in the resin was reflected by pronounced increase in Young’s modulus, inter-laminar shear strength, and flexural modulus by 51.46%, 39.6

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23

Dasilva, S., A. Jimenez-Suarez, E. Rodríguez, and S. G. Prolongo. "Influence of Manufacturing Process in Structural Health Monitoring and Mechanical Behaviour of CNT Reinforced CFRP and Ti6Al4V Multi-Material Joints." Polymers 13, no. 15 (2021): 2488. http://dx.doi.org/10.3390/polym13152488.

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Co-cured multi-material metal–polymer composites joints are recent interesting structural materials for locally reinforcing a structure in specific areas of high structural requirements, in fibre metal laminates and lightweight high-performance structures. The influence of manufacturing processes on the morphological quality and their mechanical behaviour has been analysed on joints constituted by sol-gel treated Ti6Al4V and carbon fibre reinforced composites (CFRP). In addition, carbon nanotubes (CNT) have been added to an epoxy matrix to develop multiscale CNT reinforced CFRP, increasing the

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24

Chen, Yi, Yi Ji, Fei Cheng, and Xiaozhi Hu. "Modified SC Resin Pre-Coating Treatment for Rapid and Robust Repair of CFRP Laminates with Sharp Delamination Cracks." Polymers 17, no. 8 (2025): 1079. https://doi.org/10.3390/polym17081079.

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A recent composite technique, namely Resin Pre-Coating (RPC), has demonstrated remarkably high effectiveness in the repair of Carbon Fiber-Reinforced Polymer (CFRP) composites. Compared to widely used scarf repair and injection repair, this non-destructive method offers advantages in addressing subsurface damages from the millimeter to micron scale, such as edge delaminations that frequently occur due to machining or low-energy impacts. The acetone-rich RPC solution can spontaneously transport sticky resin and other toughening agents into defects through capillary action. In this study, we fur

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Fragoudakis, Roselita. "A numerical approach to determine fiber orientations around geometric discontinuities in designing against failure of GFRP laminates." International Journal of Structural Integrity 10, no. 3 (2019): 371–79. http://dx.doi.org/10.1108/ijsi-10-2018-0064.

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Purpose Determining fiber orientations around geometric discontinuities is challenging and simultaneously crucial when designing laminates against failure. The purpose of this paper is to present an approach for selecting the fiber orientations in the vicinity of a geometric discontinuity; more specifically round holes with edge cracks. Maximum stresses in the discontinuity region are calculated using Classical Lamination Theory (CLT) and the stress concentration factor for the aforementioned condition. The minimum moment to cause failure in a lamina is estimated using the Tsai–Hill and Tsai–W

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Naresh, Kakur, Shankar Krishnapillai, and Ramachandran Velmurugan. "Effect of Fiber Orientation on Carbon/Epoxy and Glass/Epoxy Composites Subjected to Shear and Bending." Solid State Phenomena 267 (October 2017): 103–8. http://dx.doi.org/10.4028/www.scientific.net/ssp.267.103.

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In this study, the Interlaminar shear strength (ILSS) and flexural properties for five different laminate orientations [0°, 45°, [45°/-45°/45°]s, [±45°/0°/90°]s and 90°] of unidirectional carbon fiber reinforced plastic (CRP) and glass fiber reinforced plastic (GRP) composites are investigated. The different approach is used by applying the tensile load on notched specimens for measuring the inter-laminar shear strength. The theoretical flexural properties are obtained using the classical laminate theory [CLT]. The good agreement is obtained between the theoretical model and experimental resul

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Huang, Xu-Hao, Jian Yang, Iftikhar Azim, Xin Ren, and Xing-er Wang. "Static and dynamic analyses of auxetic hybrid FRC/CNTRC laminated plates." Nanotechnology Reviews 9, no. 1 (2020): 1625–42. http://dx.doi.org/10.1515/ntrev-2020-0106.

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Abstract In this work, a hybrid laminated plate is developed by changing ply orientations and stacking sequences. The hybrid laminated plate is composed of carbon nanotube reinforced composite and fiber reinforced composite layers. Negative Poisson’s ratio (NPR) is obtained for the case of [22F/(22C/−22C)3T/−22F] laminate. A theoretical laminated model considering geometric nonlinearity and shear deformation is presented. Based on a two-step perturbation method, the solutions of the motion equations are obtained to capture the nonlinear frequencies and load–deflection curves. On this basis, th

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Georgantzinos, Stelios K., Panagiotis A. Antoniou, and Stylianos I. Markolefas. "A Multi-Scale Method for Designing Hybrid Fiber-Reinforced Composite Drive Shafts with Carbon Nanotube Inclusions." Journal of Composites Science 5, no. 6 (2021): 157. http://dx.doi.org/10.3390/jcs5060157.

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In this paper, the modal and linear buckling analysis of a laminated composite drive shaft reinforced by 11 multi-walled carbon nanotubes (MWCNTs) was carried out using an analytical approach, as well as the finite element method (FEM). The theoretical model is based on classical laminated theory (CLT). The fundamental frequency and the critical buckling torque were determined for different fiber orientation angles. The Halpin–Tsai model was employed to calculate the elastic modulus of composites having randomly oriented nanotubes. The effect of various carbon nanotube (CNT) volume fractions i

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Huang, Xu-hao, Jian Yang, Iftikhar Azim, Xing-er Wang, and Xin Ren. "Geometric Non-Linear Analysis of Auxetic Hybrid Laminated Beams Containing CNT Reinforced Composite Materials." Materials 13, no. 17 (2020): 3718. http://dx.doi.org/10.3390/ma13173718.

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In the current work, a novel hybrid laminate with negative Poisson’s ratio (NPR) is developed by considering auxetic laminate which is composed of carbon nanotube-reinforced composite (CNTRC) and fiber-reinforced composite (FRC) materials. The maximum magnitude of out-of-plane NPR is identified in the case of (20 F/20 C/−20 C/20 C) S laminate as well. Meanwhile, a method for the geometric non-linear analysis of hybrid laminated beam with NPR including the non-linear bending, free, and forced vibrations is proposed. The beam deformation is modeled by combining higher-order shear-deformation the

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Soutis, C., and E. C. Edge. "A method for the production of carpet plots for notched compression strength of carbon fibre reinforced plastic multidirectional laminates." Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering 211, no. 4 (1997): 251–61. http://dx.doi.org/10.1243/0954410971532659.

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This paper outlines a newly developed method for the calculation of the notched compression strength of carbon fibre reinforced plastic (CFRP) laminates. The BAe-Warton laminate strength prediction method (1) is used to predict the unnotched strength of the laminate and the Soutis et al. model (2) to predict the notch effect. Notched and unnotched strengths are reported for a wide range of T800/924C and T800/5245C carbon fibre—epoxy multidirectional laminates with 0°, ±45° and/or 90° lay-ups; results are compared with theoretical predictions and in most cases the error is less than 10 per cent

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Zhao, Xunpeng, Shuangshuang Sun, Yang Wang, and Xiugang Wang. "Macro-mechanical analysis of tensile strength of glass/carbon fiber reinforced plastics hybrid composites under hydrothermal environment." Materials Research Express 8, no. 12 (2021): 125307. http://dx.doi.org/10.1088/2053-1591/ac41e0.

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Abstract The material properties of composite materials are affected by changes in temperature and moisture. This study used the glass/carbon fiber reinforced plastic hybrid composite (G/CFRPHC) laminate as the research objects. The stiffness and strength of the composite lamina were expressed as a function of hydrothermal parameters. Based on classical lamination theory(CLT) and macro-mechanical analysis, using MATLAB programming, the tensile strength of G/CFRPHC laminates under a hydrothermal environment was studied. In addition, the influence of temperature, ply thickness, ply stacking sequ

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Kumar, Puneet, and J. Srinivas. "Free vibration, bending and buckling of a FG-CNT reinforced composite beam." Multidiscipline Modeling in Materials and Structures 13, no. 4 (2017): 590–611. http://dx.doi.org/10.1108/mmms-05-2017-0032.

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Purpose The purpose of this paper is to perform a numerical analysis on the static and dynamic behaviors of beams made up of functionally graded carbon nanotube (FG-CNT) reinforced polymer and hybrid laminated composite containing the layers of carbon reinforced polymer with CNT. Conventional fibers have higher density as compared to carbon nanotubes (CNTs), thus insertion of FG-CNT reinforced polymer layer in fiber reinforced composite (FRC) structures makes them sustainable candidate for weight critical applications. Design/methodology/approach In this context, stress and strain formulations

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Huang, C. Y., R. S. Trask, and I. P. Bond. "Characterization and analysis of carbon fibre-reinforced polymer composite laminates with embedded circular vasculature." Journal of The Royal Society Interface 7, no. 49 (2010): 1229–41. http://dx.doi.org/10.1098/rsif.2009.0534.

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A study of the influence of embedded circular hollow vascules on structural performance of a fibre-reinforced polymer (FRP) composite laminate is presented. Incorporating such vascules will lead to multi-functional composites by bestowing functions such as self-healing and active thermal management. However, the presence of off-axis vascules leads to localized disruption to the fibre architecture, i.e. resin-rich pockets, which are regarded as internal defects and may cause stress concentrations within the structure. Engineering approaches for creating these simple vascule geometries in conven

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Shi, Feng, Libin Wang, Hao Du, et al. "Axial Compression Behavior of FRP Confined Laminated Timber Columns under Cyclic Loadings." Buildings 12, no. 11 (2022): 1841. http://dx.doi.org/10.3390/buildings12111841.

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Fiber reinforced polymer (FRP) has been proved to be effective to improve the structural strength and ductility for column structures. An experimental study was conducted to investigate the compressive performance of FRP confined glued-laminated timber (GLT) and cross-laminated timber (CLT) columns. A total of 60 column specimens of two dimensions in height using different FRP types, FRP thickness, and laminate types were tested under cyclic axial compression loads. This study focuses on the compressive capacity and ductility of the new FRP composited timber structure. For this purpose, a load

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Khan, Edan, Kamesh Bodduru, Mesfin Kebede Kassa, and Iqra Javid. "Mechanical properties investigation of hybrid TI3C2TX MXene and carbon nanotube reinforced glass fiber epoxy composites." Zastita Materijala 65, no. 3 (2024): 418–25. http://dx.doi.org/10.62638/zasmat1183.

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The current work, presents the synergistic effects of carbon nanotubes (CNTs) and MXene nanoplatelets (MXN) on the flexural, hardness, and water absorption properties of laminated glass fiber reinforced polymer (GFRP) composites. The composites specimens with various concentrations of CNTs and MXN were fabricated by cost-effective vacuum-assisted hand lay-up technique. The results showed that the hybrid composite reinforced with CNT and MXN improved the flexural strength and hardness by 38% and 29%, respectively. It was also observed that the hybrid composite reinforced with MXN and CNT exhibi

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Choi, Jin Young, and Mark Timothy Kortschot. "Stiffness prediction of 3D printed fiber-reinforced thermoplastic composites." Rapid Prototyping Journal 26, no. 3 (2019): 549–55. http://dx.doi.org/10.1108/rpj-11-2018-0283.

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Purpose The purpose of this study is to confirm that the stiffness of fused filament fabrication (FFF) three-dimensionally (3D) printed fiber-reinforced thermoplastic (FRP) materials can be predicted using classical laminate theory (CLT), and to subsequently use the model to demonstrate its potential to improve the mechanical properties of FFF 3D printed parts intended for load-bearing applications. Design/methodology/approach The porosity and the fiber orientation in specimens printed with carbon fiber reinforced filament were calculated from micro-computed tomography (µCT) images. The infill

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Falkowicz, Katarzyna, Sylwester Samborski, and Paolo Sebastiano Valvo. "Effects of Elastic Couplings in a Compressed Plate Element with Cut-Out." Materials 15, no. 21 (2022): 7752. http://dx.doi.org/10.3390/ma15217752.

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Analytical calculations were performed on carbon fiber-reinforced polymer (CFRP) laminates in an asymmetrical configuration. The asymmetric configuration of composites was investigated, where extension–twisting and extension–bending couplings were used to obtain the elastic element. Analysis of the presence of elastic couplings was conducted according to Classical Laminate Theory (CLT). Components of matrices A, B, and D, as well as the parameters Dc and Bt, were obtained using the MATLAB software environment. The results show that couplings between the extension and bending, as well as betwee

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Thomas, P., and VM Sreehari. "Vibration Characteristics of Composite Beam Having Flax, Aloevera and Sisal Fibers as Reinforcements." International Journal of Engineering and Advanced Technology (IJEAT) 9, no. 2 (2019): 370–73. https://doi.org/10.35940/ijeat.B3160.129219.

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Composites are highly significant due to their various advantages and natural fibre reinforced composites can be vastly used in automobile and aircraft interior applications. This paper principally deals with natural fibre reinforced composite (NFC) in which flax, aloevera, sisal fibres are selected to be reinforced in epoxy matrix (as inner laminate layers) and is used in combination with glass-epoxy (as outer laminate layers). Such composite beam structures are analysed in Ansys software employing FEM. The comparison for various NFCs is presented by evaluating effect on natural frequency due

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Baek, Seung-Youp, Yo-Jin Song, Seok-Hoon Yu, Dong-Hyeon Kim, and Soon-Il Hong. "Bending performance of cross-laminated timber-concrete composite slabs according to the composite method." BioResources 16, no. 4 (2021): 8227–38. http://dx.doi.org/10.15376/biores.16.4.8227-8238.

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Bending strength tests were conducted of cross-laminated timber (CLT)-concrete composite slabs according to the shear connection method and carbon fiber reinforced plastic (CFRP) reinforcement. The bending strength of the composite slab that was shear-connected with an epoxy adhesive was 17% higher than that of a composite slab that was shear-connected with a self-tapping screw. In addition, the CLT-concrete slip of the former composite slab was also measured as 20% lower than the latter under the same load, showing a behavior close to that of a full composite. Both shear connection methods ge

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Sun, Zhenming, Hailong Shi, Xiaoshi Hu, Mufu Yan, and Xiaojun Wang. "Synergistic Strengthening of Mechanical Properties and Electromagnetic Interference Shielding Performance of Carbon Nanotubes (CNTs) Reinforced Magnesium Matrix Composites by CNTs Induced Laminated Structure." Materials 15, no. 1 (2021): 300. http://dx.doi.org/10.3390/ma15010300.

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In this study, we reported a laminated CNTs/Mg composite fabricated by spray-deposition and subsequent hot-press sintering, which realized simultaneous enhancement effects on strength and electromagnetic interference (EMI) shielding effectiveness (SE) by the introduced CNTs and CNT induced laminated ‘Mg-CNT-Mg’ structure. It was found that the CNTs/Mg composite with 0.5 wt.% CNTs not only exhibited excellent strength-toughness combination but also achieved a high EMI SE of 58 dB. The CNTs increased the strength of the composites mainly by the thermal expansion mismatch strengthening and blocki

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Sugiarti, N. W., K. Adi Atmika, and I. D. G. Ary Subagia. "Effect of multi-walled CNTs polyurethane mats lamination with basalt fabrics reinforced-epoxy composites reviewed on tension and bending properties." Communications in Science and Technology 8, no. 1 (2023): 100–107. http://dx.doi.org/10.21924/cst.8.1.2023.1195.

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Material technology continues to develop with various innovations and engineering to improve weaknesses in both mechanical and physical properties. In this study, electrospun fibres containing a multi-wall blend of CNT and Polyurethane (PU) with or without surfactant that laminated into a basalt fibre-reinforced composite were uniquely demonstrated. Multi-wall CNT 3wt% was added to the PU/MEK/DMF solution and produced using an electrospinning process. PU fibre mat containing 3wt% CNT was made without and with surfactants. Also, Basalt fibre reinforced epoxy composite as a control sample was pr

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Raju, D. Dhanunjaya, and Venkata V. Subba Rao. "Deformation of Carbon Nano Tubes Reinforced Hybrid Laminated Composite Plates induced by Piezoelectric Actuators." Nano Hybrids and Composites 36 (June 20, 2022): 35–56. http://dx.doi.org/10.4028/p-6k4vr0.

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Piezoelectric materials, typically used as intelligent materials, can respond according to the design demands of the composite structures autonomously. The excitation of piezoelectric actuators generates the bending effect on the hybrid composite plates. An analytical methodology is developed to calculate the displacements of simply supported laminated composite plates induced by piezoelectric actuators and validate the results by generating MATLAB code. Further, the laminated hybrid composite plates reinforced with carbon nanotubes(CNT) are excited by piezoelectric actuators bonded to the sur

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Lei, Z. X., L. W. Zhang, and K. M. Liew. "Buckling analysis of CNT reinforced functionally graded laminated composite plates." Composite Structures 152 (September 2016): 62–73. http://dx.doi.org/10.1016/j.compstruct.2016.05.047.

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Bourchak, Mostefa, and Wail Harasani. "Analytical and experimental investigation of tensile properties of cross-ply and angle-ply GFRP composite laminates." Science and Engineering of Composite Materials 22, no. 3 (2015): 297–301. http://dx.doi.org/10.1515/secm-2013-0105.

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AbstractThe static tensile properties in the form of ultimate failure stress, ultimate failure strain and Young’s modulus of a cross-ply glass fiber-reinforced polymer (GFRP) composite laminate [904, 04]s and an unconventional angle-ply GFRP composite laminate [+67.54, -67.54]s were investigated using the netting analysis, the laminate mixture rule (Hart-Smith 10% rule) and the classical laminate theory (CLT). The findings were then compared to experimental results to determine the accuracy of each analytical technique. It was found that the netting analysis was the best overall method for est

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Hung, Dang Xuan, Tran Minh Tu, and Tran Dai Hao. "Free Vibration Analysis of Laminated CNTRC Plates using the pb2-Ritz Method." Journal of Mechanical Engineering 18, no. 1 (2021): 213–32. http://dx.doi.org/10.24191/jmeche.v18i1.15181.

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This paper presents the free vibration analysis of laminated functionally graded carbon nanotube reinforced composite (FG-CNTRC) plates. The CNTRC layer consists of single-walled carbon nanotubes (SWCNTs) as reinforcement and polymer as a matrix. The material properties are determined according to the extended rule of mixture. Four different patterns of SWCNTs distribution across the thickness of individual layers are considered. Based on the first-order shear deformation theory (FSDT), the equations of motion are derived and then solved by employing the pb2-Ritz method. The accuracy of the pr

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Shin, Yongchul, and Seungmo Kim. "A Numerical Investigation of Delamination Response of CNT/Epoxy Film Interleaved Composite." Applied Sciences 12, no. 9 (2022): 4194. http://dx.doi.org/10.3390/app12094194.

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In this study, numerical modeling through the cohesive zone theory was performed to simulate the end notch flexure (ENF) test with same conditions of the experimental results of previous study that investigated the effect of a carbon nanotube (CNT)/epoxy film in carbon fiber reinforced polymer (CFRP) composite through the mode II interlaminar fracture toughness of a non-interleaved, epoxy film interleaved, CNT/epoxy film interleaved CFRP laminate specimen. The effect of the presence of CNT/epoxy film interleave on a composite laminate was modeled. The influence of the interleave cohesive param

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Bhardwaj, G., A. K. Upadhyay, R. Pandey, and K. K. Shukla. "Non-linear flexural and dynamic response of CNT reinforced laminated composite plates." Composites Part B: Engineering 45, no. 1 (2013): 89–100. http://dx.doi.org/10.1016/j.compositesb.2012.09.004.

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Song, Yo-Jin, Seong-Yeob Baek, Seok-Hoon Yu, Dong-Hyeon Kim, and Soon-Il Hong. "Evaluation of the bending performance of glued CLT-concrete composite floors based on the CFRP reinforcement ratio." BioResources 17, no. 2 (2022): 2243–58. http://dx.doi.org/10.15376/biores.17.2.2243-2258.

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A study was conducted on the reinforcement of cross-laminated timber (CLT) concrete composite floors with carbon fiber reinforced plastic (CFRP) to improve its mechanical performance and reliability in wood composite structures. A four-point bending test evaluation was completed on three types of cross-laminated timber concrete composite floors produced with different carbon fiber reinforced plastic reinforcement ratios (33%, 66%, and 100%) on the entire surface of the tensile portion. An increase in the carbon fiber reinforced plastic reinforcement ratio of the composite floors led to an incr

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Alvarez, Diego, Riko Kouda, Anh Dung Ho, and Tetsu Kubota. "Scenario analysis of embodied energy and CO2 emissions for multistory apartments in Indonesia." E3S Web of Conferences 396 (2023): 04015. http://dx.doi.org/10.1051/e3sconf/202339604015.

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Contribution in the building sector to the global warming can be tackled by diminishing greenhouse gas (GHG) emissions (mainly CO2) not only from operational energy but also from the embodied energy (EE) of construction materials. Harvested Wood Products (HWP) such as Cross Laminated Timber (CLT), Glued Laminated (Glulam) timber, among others, make multistorey wooden buildings possible. These wooden buildings could help to reduce EE and CO2 emissions significantly. A material flow analysis (MFA) using an I-O (Input-Output) table was used to compare three scenarios for an 8-story apartment buil

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Concu, Giovanna, Daniel Meloni, and Monica Valdes. "Experimental Evaluation of the Effects of SRP Reinforcement on the Flexural Behavior of CLT Panels." Technologies 13, no. 7 (2025): 271. https://doi.org/10.3390/technologies13070271.

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Cross-laminated timber (CLT) is a high-performance engineered timber that is very widely adopted. In several conditions, such as strength improvement at vulnerable connection points, local stress concentrations, existing structure retrofitting, and others, it is desirable to enhance the mechanical performance of CLT by applying additional reinforcement systems. This paper reports on an experimental campaign aimed at assessing the mechanical behavior of CLT panels reinforced with steel-reinforced polymers (SRPs). Twenty Sardinian Maritime Pine CLT panels, including unreinforced, SRP single- and

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