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Journal articles on the topic 'Composite Laminate'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Fakhruddin, Muhammad, Maskuri Maskuri, Elka Faizal, Bayu Pranoto, Hangga Wicaksono, and Hilmi Iman Firmansyah. "Pengaruh Perlakuan Permukaan Pengikatan Terhadap Sifat Mekanik Komposit Serat Kaca Dengan Laminasi Almunium." Jurnal Energi dan Teknologi Manufaktur (JETM) 4, no. 02 (2021): 27–32. http://dx.doi.org/10.33795/jetm.v4i02.79.

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Fiber metal laminates or commonly known as fiber metal laminates (FML) are composite structures made by combining 2 layers of material as the outer layer with the core material. The outer layer of this composite is called the laminate. Generally, laminated composites are produced by joining techniques under solid-state conditions, such as diffusion bonding, extrusion, friction-stir welding, and roller welding. In this study, glass fiber composites with aluminum lamination were made using the vacuum assisted resin infusion (VARI) method, using epoxy resin. The surface treatment of the aluminum

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Zhang, Chun Hua, Jin Bao Zhang, Mu Chao Qu, and Jian Nan Zhang. "Toughness Properties of Basalt/Carbon Fiber Hybrid Composites." Advanced Materials Research 150-151 (October 2010): 732–35. http://dx.doi.org/10.4028/www.scientific.net/amr.150-151.732.

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Basalt fiber and carbon fiber hybrid with alternate stacking sequences reinforced epoxy composites have been developed to improve the toughness properties of conventional carbon fiber reinforced composite materials. For comparison, plain carbon fiber laminate composite and plain basalt fiber laminate composite have also been fabricated. The toughness properties of each laminate have been studied by an open hole compression test. The experimental results confirm that hybrid composites containing basalt fibers display 46% higher open hole compression strength than that of plain carbon fiber comp

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3

bin Yaakob, Mohd Yuhazri, T. T. T. Jennise, H. Sihombing, Qumrul Ahsan, S. T. W. Lau, and Mohd Imran bin Ghazali. "Gravity Effects on the Density of Laminated Composite due to the Differences in Angle Cured." Applied Mechanics and Materials 465-466 (December 2013): 81–85. http://dx.doi.org/10.4028/www.scientific.net/amm.465-466.81.

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This research is carried out to study the feasibility of the gravity effects on curing position of the laminated composite structures to enhance the curing space needed. Vertical cured laminate having almost similar properties with common horizontal cured laminate able to save much space in composite industry especially for developing Small and Medium Industry (SMI). Horizontal cured laminates filled up spaces in which SMI lack of. Polyesters and E-glass fibers were used as the raw material in this research. Vacuum bagging technique was used to suck out the excess resin during lay-up to avoid

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4

Junaedi, H., and T. A. Sebaey. "Carbon-Aramid Fiber/Epoxy Hybrid Composite Laminates with the Presence of Defect: An Experimental Study." Journal of Physics: Conference Series 2805, no. 1 (2024): 012008. http://dx.doi.org/10.1088/1742-6596/2805/1/012008.

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Abstract Carbon-Aramid fiber-reinforced epoxy has been used extensively in the aerospace and automobile industries. The combination of high-strength carbon fiber and the high toughness of aramid fiber is believed to be beneficial to the structural behavior of composites. In the current study, Aramid fiber was sandwiched between carbon fiber layers to maintain high strength and toughness simultaneously. The behavior of the laminate with the presence of an open hole and single-edge notch was investigated. For justification, the response of the hybrid laminate was compared with two other laminate

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Dibyajyoti, D., and B. Alfia. "Review on laminated composite plates." Proceedings of the 12th Structural Engineering Convention, SEC 2022: Themes 1-2 1, no. 1 (2022): 83–88. http://dx.doi.org/10.38208/acp.v1.477.

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A composite material is a combination of different material which can be assembled to provide required engineering properties like bending, buckling, stiffness etc. It can give better properties than those of individual components. A lamina is the building block of modern composite laminated structures. A lamina is also known as a ply, or a layer. A laminate has several layers of lamina, or laminae. Since the early years of engineering, various types of laminated composite materials have been used in various engineering fields, such as in aerospace, military and automotive industries that are

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6

bin Yaakob, Mohd Yuhazri, T. T. T. Jennise, H. Sihombing, N. Mohamad, S. H. Yahaya, and M. Y. A. Zalkis. "Water Absorption and Thickness Swelling of Laminated Composite after Cured at Different Angle." Applied Mechanics and Materials 465-466 (December 2013): 86–90. http://dx.doi.org/10.4028/www.scientific.net/amm.465-466.86.

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Moisture absorption is a very important factor in polymers and composite materials used for hull manufacture and stability in marine environment. High water absorption of the material will affects the mechanical properties and stability in composite. This research is carried out to study the feasibility of the gravity effects on curing position of the laminated composite structures to enhance the curing space needed. Vertical cured laminate having almost similar properties with common horizontal cured laminate able to save much space in composite industry. Horizontal cured laminates filled up

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7

Ramadhan, Redha Akbar, Muhamad Giri Suada, and Hendri Syamsudin. "A FINITE ELEMENT ANALYSIS OF CRITICAL BUCKLING LOAD OF COMPOSITE PLATE AFTER LOW VELOCITY IMPACT." Jurnal Teknologi Dirgantara 18, no. 2 (2020): 195. http://dx.doi.org/10.30536/j.jtd.2020.v18.a3328.

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Composite is a material formed from two or more materials that macroscopically alloyed into one material. Nowadays, composite has been generally applied as lightweight structure of aircraft. This is due to the fact that composites having high strength-to-weight ratio. It means the composites have the capability to take on various loads, despite their lightweight property.Laminate composite is one type of composite that has been generally used in aircraft industries. This type of composite is susceptible to low-velocity impact induced damage. This type of damage can be happening in manufacture,

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8

Bir, Amarpreet S., Hsin Piao Chen, and Hsun Hu Chen. "Optimum Stacking Sequence Design of Composite Sandwich Panel Using Genetic Algorithms." Advanced Materials Research 585 (November 2012): 29–33. http://dx.doi.org/10.4028/www.scientific.net/amr.585.29.

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In the present study, both critical buckling load maximization and face-sheet laminate thickness minimization problems for the composite sandwich panel, subjected to bi-axial compressive loading under various imposed constraints have been investigated using genetic algorithms. In the previously published work, the optimization of simple composite laminate panels with only even number of laminae has been considered [1, 3]. The present work allows the optimization of a composite sandwich panel with both even and odd number of laminae in the face-sheet laminates. Also, the effects of the bending-

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Mujahid, Yasir, Nabihah Sallih, Mazli Mustapha, Mohamad Zaki Abdullah, and Faizal Mustapha. "Effects of Processing Parameters for Vacuum-Bagging-Only Method on Shape Conformation of Laminated Composites." Processes 8, no. 9 (2020): 1147. http://dx.doi.org/10.3390/pr8091147.

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Complex composite structures manufactured using a low-pressure vacuum bag-only (VBO) method are more susceptible to defects than flat laminates because of the presence of complex compaction conditions at corners. This study investigates the contribution of multivariate processing parameters such as bagging techniques, curing profiles, and laminate structures on laminates’ shape conformation. Nine sets of laminates were produced with a concave corner and another nine sets with a convex corner, both with a 45° inclined structure. Three-way analysis of variance (ANOVA) was performed to quantify t

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10

Kormanikova, Eva, Kamila Kotrasova, Jozef Melcer, and Veronika Valaskova. "Numerical Investigation of the Dynamic Responses of Fibre-Reinforced Polymer Composite Bridge Beam Subjected to Moving Vehicle." Polymers 14, no. 4 (2022): 812. http://dx.doi.org/10.3390/polym14040812.

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In modern industry, heavy traditional materials are being substituted with light and strong fibre-reinforced polymer composite materials. Bridges and railroads made of composite laminates are considerably affected by traffic loads. Therefore, it is very important to analyse this effect which would find practical applications in engineering designs. This paper explains the theoretical formulation that governs the dynamic response of a composite beam subjected to a moving load. The governing equations for the dynamic effect on the laminated composite bridge beam are explained here. The main theo

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Gajbhiye, ParamD, Vishisht Bhaiya, and YuwarajM Ghugal. "Bending Analysis of Orthotropic Plate using 5th Order Shear Deformation Theory." Proceedings of the 12th Structural Engineering Convention, SEC 2022: Themes 1-2 1, no. 1 (2022): 89–94. http://dx.doi.org/10.38208/acp.v1.478.

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A composite material is a combination of different material which can be assembled to provide required engineering properties like bending, buckling, stiffness etc. It can give better properties than those of individual components. A lamina is the building block of modern composite laminated structures. A lamina is also known as a ply, or a layer. A laminate has several layers of lamina, or laminae. Since the early years of engineering, various types of laminated composite materials have been used in various engineering fields, such as in aerospace, military and automotive industries that are

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12

Yuhazri, M. Y., G. C. H. Nilson, Haeryip Sihombing, and Mohd Edeerozey Abd Manaf. "Mechanical Properties and Failure Analysis of Laminated Glass Reinforced Composite with Various Gelcoat Thickness." Key Engineering Materials 694 (May 2016): 8–12. http://dx.doi.org/10.4028/www.scientific.net/kem.694.8.

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The aim of this study is to evaluate the mechanical properties and study the failure of laminated glass reinforced composite coated with gelcoat of different thickness. Firstly, the gelcoat was applied to the mould using brush and subsequently, glass fiber reinforced composite laminates were fabricated on it using vacuum bagging technique. The mechanical properties of the composites various were tested by using tensile and three-point flexural tests. The fracture behaviour of different gelcoat thickness was observed using scanning electron microscope (SEM) to determine the failure behaviour th

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13

Kumar, M. Ashok, A. M. K. Prasad, and D. V. Ravishankar. "Effect of Quasi-Static Loading on the Composite Laminates." Advanced Engineering Forum 20 (January 2017): 10–21. http://dx.doi.org/10.4028/www.scientific.net/aef.20.10.

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The low velocity impact is a common phenomenon which occurs in fiber reinforced polymer composite products like LPG cylinders, fighter aircraft fuel drop tanks, aircraft wing surfaces, sports goods etc. The consequences of low velocity impact will create a considerable damage and ultimately lead to a premature failure of the structure. Hence the polymer composites for engineering applications must be provided with a better design solution. From the literature survey it is observed that, the response of composite laminates subjected to quasi-static loading, exhibits similar results as that of l

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14

Kim, Won Seok, Sang Hoon Kim, and Jung Ju Lee. "Structural Health Monitoring of Composite Laminates by Using Embedded FBG Optical Fiber Sensors." Key Engineering Materials 297-300 (November 2005): 2158–63. http://dx.doi.org/10.4028/www.scientific.net/kem.297-300.2158.

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In this paper, a new Structural Health Monitoring (SHM) technique for composite laminates through the use of embedded FBG sensors is presented. This method monitors the ply stress states of a laminate and compares them with failure criteria continuously during structures’ service time. The ply stress state of each ply composing the composite laminate can be obtained by embedding three FBG sensors in the laminate based on the classical lamination theory. In this study FBG sensor embedded graphite/epoxy composite laminate specimens were fabricated. With ply stress states being monitored, tension

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Suvorov, A. P., and G. J. Dvorak. "Stress Relaxation in Prestressed Composite Laminates." Journal of Applied Mechanics 69, no. 4 (2002): 459–69. http://dx.doi.org/10.1115/1.1460909.

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Viscoelastic deformation caused in symmetric laminated plates by release of fiber prestress and by uniform thermomechanical loads is analyzed on the constituent, ply and overall laminate scales with the Transformation Field Analysis (TFA) method (G. J. Dvorak, Proc. R. Soc. Lond., 1992, A437, pp. 311–327). Fiber prestress is applied in individual plies prior to matrix cure and released after matrix consolidation. Linear or nonlinear viscoelastic constitutive relations are used to evaluate the inelastic deformation rates in terms of current constituent stress averages. The TFA method regards bo

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Ismail*, Mohd Fadzli, and Aidah Jumahat. "Impact Properties of Hybrid Fibre Reinforced Polymer Composite Laminates." International Journal of Innovative Technology and Exploring Engineering 9, no. 3 (2020): 2763–66. http://dx.doi.org/10.35940/ijitee.c9206.019320.

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The increasing demand for high-strength light-weight fibre reinforced polymer (FRP) composite materials has driven the researchers to further innovate and introduce hybrid reinforcement materials. The usage of hybrid FRP composite laminates in structural industries is still new and limited research has been reported in this area. Thus, this research is aimed to determine the impact properties of hybrid FRP composite laminate. The impact tests were carried out on three types of FRP composite laminates, i.e. Carbon, Glass and Hybrid, in order to determine the impact properties of the materials.

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Zhang, Chen, Yunfei Rao, Zhe Li, and Wei Li. "Low-Velocity Impact Behavior of Interlayer/Intralayer Hybrid Composites Based on Carbon and Glass Non-Crimp Fabric." Materials 11, no. 12 (2018): 2472. http://dx.doi.org/10.3390/ma11122472.

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Composites have gained wide use in structural applications; however, they are sensitive to impact damage. The use of hybrid composites is an effective way to overcome this deficiency. The effects of various hybrid structures of interlayer and intralayer warp-knitted fabrics with carbon and glass fibers on the low-velocity impact behavior of composite laminates were studied. Drop-weight impact tests were conducted on two types of interlayer, sandwich and intralayer hybrid composite laminates, which were compared with homogenous composite laminates. During low-velocity impact tests, the time his

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18

Dubey, Ankit Dhar, Jogendra Kumar, Shivi Kesarwani, and Rajesh Kumar Verma. "Flexural properties and Cost evaluation of hybrid polymer composites developed from different stacking sequences of fiber laminates." E3S Web of Conferences 309 (2021): 01017. http://dx.doi.org/10.1051/e3sconf/202130901017.

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The stiffness and reduced weight of polymer composites makes them unique from conventional manufacturing materials. The failure modes can vary from tension to compression dominated with the matrix interface. The mechanical strength can be improved with the stacking of different laminates for the development of hybrid composites. This study highlights the fabrication of laminate composite for flexural tests and analysis for stacking sequences of carbon (C) and glass (G) fiber laminates. The fabrication was performed by a cost-effective hand layup method for laminate polymers to observe changes

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Adi Yoga Saputra, Gede, I. Made Astika, and I. D. G. Ary Subagia. "Perbandingan kekuatan kompresi struktur laminasi dan prepreg dari komposit jute-epoxy." Jurnal Energi Dan Manufaktur 14, no. 1 (2022): 27. http://dx.doi.org/10.24843/jem.2021.v14.i01.p05.

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This experiment has conducted to investigate mechanical properties of pipe structure performed by natural composite. The composite has been fabricated in two modes such laminate and prepreg reinforcement by vacuum injection molding. Compression test have been conducted for each variety in five times repeating. The specimen was made and test according to the ASTM D2166M-16 standard. The purpose of this research is to investigate and comparation of compression strength of laminate and prepreg structure composite pipe. The test result shows that laminates mode of pipe composite using the woven ju

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20

Marzuki, Haslan Fadli Ahmad, Engku Ahmadhilmi Engku Ubaidillah, Sivakumar A/l Sivarasa, Mohd Syamsul, and Mariatti Jaafar. "Study on Effect of Fiber Orientation on Flexural Properties of Glass Fiber Reinforced Epoxy Composite Laminates for Structural Applications." Solid State Phenomena 301 (March 2020): 227–37. http://dx.doi.org/10.4028/www.scientific.net/ssp.301.227.

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Composite laminate design is an important procedure in defining the mechanical properties of laminated composite structure to be used in multi-directional service loading application. Composite technologies or manufacturers who is lack of knowledge regarding the importance of laminate design, tend to develop a composite structure that will collapse or fail below the service requirement. The purpose of this study is to determine the effect of fiber orientation on flexural properties of the designed glass fiber reinforced epoxy laminated composite. Six sets of laminates with different fiber orie

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ALLEN, D. ALBERT, G. RAMANAN, R. R. NEELA RAJAN, and A. K. DARWINS. "Experimental Study on Change in Mechanical Characteristics of E-Glass Fibre Reinforced Epoxy Composite by Adding Carbon Nanotube Layers." Asian Journal of Chemistry 31, no. 6 (2019): 1251–54. http://dx.doi.org/10.14233/ajchem.2019.21874.

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Polymer composite reinforced with fiber materials have always proven its superior significant enactment over numerous traditional materials, considering their incomparable strength to weight ratio and stiffness. Carbon nanotubes usage in glass-fiber reinforced polymer has high potential in changing the characteristics of composite laminates. Carbon nanotubes have engrossed composite fraternity in exploring the opportunity of utilizing them as a supplementary reinforcement in fiber reinforced polymer composites. This study examines the mechanical characters of glass-fiber reinforced polymer wit

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Marzuki, Haslan Fadli Ahmad, Mawarni Mohamad, Engku Ahmadhilmi Engku Ubaidillah, et al. "Effect of Anodizing on Strength of Carbon-Fibre Aluminium-Laminated Composites." Advanced Materials Research 748 (August 2013): 216–21. http://dx.doi.org/10.4028/www.scientific.net/amr.748.216.

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Fibre-metal-laminated composites that consist of aluminium and carbon fibre/epoxy was widely use in engineering fields such as in aerospace and civil application. An issue arise for this laminate systems is that aluminium surfaces must be treated to ensure the effectiveness of load transfer mechanism in the interfacial region. In this research, the effect of anodized layer on the aluminium surface towards strength of the carbon fibre-aluminium-laminated composites was studied. Aluminium 6061-T6 was anodized using phosphoric acid as electrolyte and different anodizing voltage to produce differe

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Kayaisang, Supattra, Taweechai Amornsakchai, and Sunan Saikrasun. "Potential utilization of recycled PET in comparison with liquid crystalline polymer as an additive for HDPE based composite fibers: Comparative investigation on mechanical performance of cross-ply laminates." Journal of Polymer Engineering 33, no. 9 (2013): 793–802. http://dx.doi.org/10.1515/polyeng-2013-0155.

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Abstract Recycled polyethylene terephthalate (rPET) was used as an alternative reinforcing material for in situ microfibrillar-reinforced polyethylene (PE) based composite fibers and compared with liquid crystalline polymer (LCP). The neat PE and its composites reinforced with LCP and rPET microfibrils under the compatibilizing promotion of 5 wt% styrene-(ethylene butylene)-styrene-grafted maleic anhydride (SEBS-g-MA) compatibilizer, were prepared as fibers using a hot drawing process. Cross-ply laminates of the neat PE and the compatibilized composite fibers were then prepared using a film st

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Vieira Carneiro, C. A., and M. A. Savi. "Modelling and simulation of the delamination in composite materials." Journal of Strain Analysis for Engineering Design 35, no. 6 (2000): 479–92. http://dx.doi.org/10.1243/0309324001514242.

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Delamination is a phenomenon characterized by the loss of adhesion between two adjacent laminae. This is a damage process frequently observed in composite materials and it may cause either loss of structural stiffness or total failure of the laminate. This contribution presents a model to describe composite delamination. The proposed model considers a laminate with a finite thickness interlayer. Interlaminar stresses are evaluated from a modified lamination theory. This result is used as input in the constitutive adhesion model which describes the damage evolution of the interlayer. An iterati

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Toledano, A., and H. Murakami. "A Composite Plate Theory for Arbitrary Laminate Configurations." Journal of Applied Mechanics 54, no. 1 (1987): 181–89. http://dx.doi.org/10.1115/1.3172955.

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In order to improve the accuracy of in-plane responses of shear deformable composite plate theories, a new laminated plate theory was developed for arbitrary laminate configurations based upon Reissner’s (1984) new mixed variational principle. To this end, across each individual layer, piecewise linear continuous displacements and quadratic transverse shear stress distributions were assumed. The accuracy of the present theory was examined by applying it to the cylindrical bending problem of laminated plates which had been solved exactly by Pagano (1969). A comparison with the exact solutions o

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Joshi, S. P., and N. G. R. Iyengar. "Optimal Design of Laminated Composite Plates Under Axial Compression." Transactions of the Canadian Society for Mechanical Engineering 9, no. 1 (1985): 45–50. http://dx.doi.org/10.1139/tcsme-1985-0007.

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The study is carried out for the optimum design of laminated fiber reinforced composite plates, subjected to multiple in-plane loadings. Angle-ply laminates with orthotropic laminae are considered. Thickness of plies and corresponding fiber orientations are incorporated as design variables. The constrained optimization problem is transformed into a series of unconstrained optimization problems, using an interior penalty function approach. The results have been obtained for different aspect ratios and uniform biaxial in-plane loading ratios. This study shows that the fiber orientations of the p

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Sujarwadi, Roni, and Tresna Priyana Soemardi. "Mechanical Characteristics Testing of Biodegradable Ramie Fiber Reinforced Polylactic Acid (PLA) Fabricated with Hot-Press Molding." Proceeding International Conference on Science and Engineering 3 (April 30, 2020): 301–6. http://dx.doi.org/10.14421/icse.v3.517.

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In this research, composite material was fabricated from both renewable resources and biodegradable materials: ramie woven fabric as reinforcement and 3D printed polylactic acid (PLA) filament as resin matrix. The laminate composites were produced using a film stacking method and processed using hot-press molding. The mechanical properties of woven ramie fabric, PLA matrix, and laminate composites were investigated. It is shown that the breaking force of the plain woven ramie fabric in the warp direction was greater than in the weft direction. Further, the tensile and impact properties of lami

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Kuan, Hoo Tien Nicholas, Meng Chuen Lee, Amir Azam Khan, and Marini Sawawi. "The Low Velocity Impact Properties of Pandanus Fiber Composites." Materials Science Forum 895 (March 2017): 56–60. http://dx.doi.org/10.4028/www.scientific.net/msf.895.56.

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The impact properties of biodegradable Pandanus atrocarpus composite laminate is studied. Laminate samples were fabricated using a hot compression molding technique with high-density polyethylene and extracted Pandanus fiber. Pandanus composites were tested under impact loading in order to study their relative impact performance. Under low velocity impact loading, Pandanus fiber laminates offered an excellent resistance to impact penetration. Tests have shown that increasing the volume fraction of Pandanus fiber can enhance the toughness of the composite. The biodegradable composites imply att

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KIM, HYUNGWON. "A STUDY OF 954-2A/IM7 COMPOSITE LAMINATES CONTAINING A CENTRAL HOLE." International Journal of Modern Physics B 22, no. 09n11 (2008): 1461–68. http://dx.doi.org/10.1142/s0217979208046931.

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Predicting microcracking properties of the composite laminates in nonuniform stress conditions was the subject in this paper. The uniform stress field meant the stresses were independent of the width direction. The material was the 954-2A/IM7 laminates containing a central hole. Microcracks initiated at the edge of the hole and propagated into the laminate. Because the tensile stress concentration decreased with distance, the microcracks were arrested before the edge of the laminate. Because carbon fiber composites were opaque, a x-ray method was used to detect the length of the propagating mi

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Subha, S., Battu Sai Krishna, Dalbir Singh, and R. Gokulnath. "Effect of Graphene Platelets/Fiber on Plastics Nanocomposites under Low-Velocity Impact Response." Applied Mechanics and Materials 852 (September 2016): 23–28. http://dx.doi.org/10.4028/www.scientific.net/amm.852.23.

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In this study, an attempt has made to explore the low-velocity impact response of a Carbon/epoxy laminate (CFRP) and E-Glass/epoxy laminates (GFRP). The composite was reinforced with Graphene Nanoplatelets (GnPs) and impact energy absorption capacity was studied. The plain GFRP and plain CFRP were served as a baseline for comparison. These composite laminate plates were fabricated using hand layup technique. The tests were carried out on the laminate plate as per ASTM D5628 FD. Impact tests were performed using a specially designed vertical drop-weight testing machine with an impactor mass of

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Salve, Aniket, Ratnakar Kulkarni, and Ashok Mache. "A Review: Fiber Metal Laminates (FML’s) - Manufacturing, Test methods and Numerical modeling." International Journal of Engineering Technology and Sciences 3, no. 2 (2016): 71–84. http://dx.doi.org/10.15282/ijets.6.2016.1.10.1060.

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Weight reduction of components is the main aim of different industrial sectors. This leads to increasing application areas of fiber composites for primary structural components. Aiming this objective, a new lightweight Fiber/Metal Laminate (FML) has been developed. Fiber metal laminate is one such material which is being widely investigated for its performance compared to existing material.. The most commercially available fiber metal laminates (FML’s) are ARALL (Aramid Reinforced Aluminium Laminate), based on aramid fibers, GLARE (Glass Reinforced Aluminium Laminate), based on high strength g

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Qiu, Jiabo. "Equivalent stiffness calculation of composite hat stiffened laminate." Vibroengineering PROCEDIA 47 (December 12, 2022): 42–48. http://dx.doi.org/10.21595/vp.2022.23045.

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The stiffness is the main reason that restricts the large-scale of composite ships, the basis to solve this problem is to solve the stiffness of composite ships’ skeleton structure. Based on classical laminates theory, this paper calculated the equivalent in-plane stiffness and bending stiffness of composite hat stiffened laminate using equivalent stiffness principle. The hat stiffened laminate can be simplified and equivalent to orthotropic laminates using this solution idea, which solves the problem that it is difficult to obtain the analytical solutions of deformation, stress and strain of

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Bin Salim, Mohamad Yusuf, Ali Farokhi Nejad, Mohd Yazid Yahya, Tobias Dickhut, and Seyed Saeid Rahimian Koloor. "Mechanical Characterization of Hybrid Steel Wire Mesh/Basalt/Epoxy Fiber-Reinforced Polymer Composite Laminates." Journal of Composites Science 8, no. 5 (2024): 184. http://dx.doi.org/10.3390/jcs8050184.

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Hybrid composite materials have been widely used to advance the mechanical responses of fiber-reinforced composites by utilizing different types of fibers and fillers in a single polymeric matrix. This study incorporated three types of fibers: basalt woven fiber and steel (AISI304) wire meshes with densities of 100 and 200. These fibers were mixed with epoxy resin to generate plain composite laminates. Three fundamental mechanical tests (tensile, compression, and shear) were conducted according to the corresponding ASTM standards to characterize the steel wire mesh/basalt/epoxy FRP composites

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Park, Jae Woung, Kwang Hee Im, David K. Hsu, et al. "On Feasibility of Ply-Layup Orientation in CF/Epoxy Composite Laminates Using Rayleigh Probes." Advanced Materials Research 29-30 (November 2007): 299–302. http://dx.doi.org/10.4028/www.scientific.net/amr.29-30.299.

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A nondestructive technique would be very beneficial, which could be used to test the CF/Epoxy composite laminates. A new method for nondestructively determining the ply layup in a composite laminate is presented. A one-sided pitch-catch setup was used in the detection and evaluation of flaws and material anomalies in the composite laminates. Two Rayleigh wave transducers were joined head-to-head and used in the pitch-catch mode on the surface of the composites. The pitch-catch signal was found to be more sensitive than normal incidence backwall echo of longitudinal wave to subtle flaw conditio

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Huang, Chunfang, Mingchang He, Yonglyu He, et al. "Exploration relation between interlaminar shear properties of thin-ply laminates under short-beam bending and meso-structures." Journal of Composite Materials 52, no. 17 (2017): 2375–86. http://dx.doi.org/10.1177/0021998317745586.

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Carbon fiber reinforced polymer matrix composite laminates with standard thickness plies (0.125 mm) usually have weak interlaminar shear strength, meanwhile, for thin-thickness laminate structures such as aircraft wing skin, it is difficult to design a balanced laminate with the standard plies. It is a possible way to improve the interlaminar shear performance of carbon fiber reinforced polymer composite laminates and enlarge the design space of the thin-thickness structures by using thin-plies technology. In this paper, the interlaminar shear strength of carbon fiber/epoxy laminates with thin

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Sujita, Sujita, and Rudy Sutanto. "Investigation on Hygroscopic Properties of Laminated Composite Bamboo." International Journal of Advances in Engineering and Management 6, no. 10 (2024): 46–50. http://dx.doi.org/10.35629/5252-06104650.

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The purpose of this study was to investigate the water absorption of laminated compositebamboo. Bamboo fibers as reinforcements for laminate composites came from apus bamboo ((Gigantochloaapus/GA) and wulung bamboo (Gigantochloaatroviolacea/GV). The hygroscopic properties of bamboo in the base, middle, and edge sections were compared and analyzed using the dynamic vapor absorption (DVS) method. The results were analyzed using the parallel exponential kinetics (PEK) model. The results showed that the hygroscopic properties of the fibers between the base, middle, and edge. The percentage of wate

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Chen, Z., J. J. Mecholsky, and S. Hu. "Effect of interface design on high-temperature failure of laminated composites." Journal of Materials Research 11, no. 8 (1996): 2035–41. http://dx.doi.org/10.1557/jmr.1996.0256.

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The fracture strength and toughness of alumina can be increased by lamination with strategically placed nickel layers and with a modified Ni/Al2O3 interface through tape casting. In order to examine the potential of this type of laminated composite in high temperature applications, the laminates were tested at elevated temperatures. This paper describes how a modified tortuous interface, instead of a smooth interface, increases the creep resistance of the laminates. Interface modification can control high temperature laminate behavior and is critical to successful composite design.

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Azwan, Syed Mohd Saiful, Yahya Mohd Yazid, Ayob Amran, and Behzad Abdi. "Quasi-Static Flexural and Indentation Behaviour of Polymer-Metal Laminate." Advanced Materials Research 970 (June 2014): 88–90. http://dx.doi.org/10.4028/www.scientific.net/amr.970.88.

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Metal-polymer laminates were subjected to quasi-static flexural and indentation loading. The laminates were made of two aluminium skins heat-bonded (laminated) to a core made of polyethylene plastic material. The samples were trimmed into standard-sized beams and panels which were then tested in flexural and indentation using the Instron universal testing machine at loading rates of 1 mm/min, 10 mm/min and 100 mm/min. The load-displacement and energy absorption curves of the composite beams were recorded. It was found that the loading rate has a large effect on flexural and indentation behavio

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Huang, Zhicheng, Shengyun Su, Xingguo Wang, and Fulei Chu. "Stress Analysis and Stiffness Degradation of Open Cracks Composite Laminates Subjected to External Loads." Biomimetics 10, no. 3 (2025): 177. https://doi.org/10.3390/biomimetics10030177.

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Composite laminated structures have extensive applications in the field of bionic engineering. Proficient comprehension of the mechanical properties of these structures is instrumental in the advancement of bionic composite materials. The objective of this study is to investigate the stress distribution and degradation of stiffness in composite laminates exhibiting open smooth surface cracks under varying external loads and structural parameters. Utilizing the general series function of the laminate’s axial stress, the general expression for the stress components of the damaged laminate is der

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McKinnon, Mark B., Yan Ding, Stanislav I. Stoliarov, Sean Crowley, and Richard E. Lyon. "Pyrolysis model for a carbon fiber/epoxy structural aerospace composite." Journal of Fire Sciences 35, no. 1 (2016): 36–61. http://dx.doi.org/10.1177/0734904116679422.

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Carbon fiber laminate composites have been utilized in the aerospace industry by replacing lightweight aluminum alloy components in the design of aircraft. By replacing low flammability aluminum components by carbon fiber laminates, the potential fuel load for aircraft fires may be increased significantly. A pyrolysis model has been developed for a Toray Co. carbon fiber laminate composite. Development of this model is intended to improve the understanding of the fire response and flammability characteristics of the composite, which complies with Boeing Material Specification 8–276. The work p

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Khan, Mohammad K. A., Harri Junaedi, Hassan Alshahrani, Ahmed Wagih, Gilles Lubineau, and Tamer A. Sebaey. "Enhanced Open-Hole Strength and Toughness of Sandwich Carbon-Kevlar Woven Composite Laminates." Polymers 15, no. 10 (2023): 2276. http://dx.doi.org/10.3390/polym15102276.

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Fiber-reinforced plastic composites are sensitive to holes, as they cut the main load-carrying member in the composite (fibers) and they induce out-of-plane stresses. In this study, we demonstrated notch sensitivity enhancement in a hybrid carbon/epoxy (CFRP) composite with a Kevlar core sandwich compared to monotonic CFRP and Kevlar composites. Open-hole tensile samples were cut using waterjet cutting at different width to diameter ratios and tested under tensile loading. We performed an open-hole tension (OHT) test to characterize the notch sensitivity of the composites via the comparison of

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Oh, Je Hoon. "Prediction of Temperature Distribution during Curing Thick Thermoset Composite Laminates." Materials Science Forum 544-545 (May 2007): 427–30. http://dx.doi.org/10.4028/www.scientific.net/msf.544-545.427.

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A 3-D transient heat transfer finite element (FE) analysis was performed to simulate the curing process of thick thermoset composites. The simulated temperature was compared with the available experimental data to check the validity of the analysis. The influence of thickness of composite laminates on the temperature distribution was investigated, and how the size of laminates affects the inside temperature was also discussed. The results indicate that the laminate thickness rather than the laminate size has a significant influence on temperature distribution, and the 3-D analysis offers more

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Kemmann, Guy, and Oliver Myers. "An Experimental Investigation of Combined Symmetric-Asymmetric Composite Laminates." Journal of Composites Science 3, no. 3 (2019): 71. http://dx.doi.org/10.3390/jcs3030071.

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It has been found that certain asymmetric composite laminates exhibit bistability, where the composite laminate exhibits multiple stable static equilibrium states. If the bistable composite is actuated, it will snap to its secondary equilibrium state and then remain there without further actuation. This study investigates how the amount of symmetry in a combined symmetric asymmetric rectangular laminate under an imposed clamped edge boundary condition affects the bistability and the curvature of the laminate. Laminates with varying amounts of asymmetry were fabricated and then measured using a

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Jennise, T. T. T., Mohd Yuhazri bin Yaakob, H. Sihombing, N. Mohamad, S. H. Yahaya, and M. Y. A. Zalkis. "Hardness of Laminated Composite for Different Angle Cured Positions under Influence of Gravity Effects." Applied Mechanics and Materials 446-447 (November 2013): 1566–69. http://dx.doi.org/10.4028/www.scientific.net/amm.446-447.1566.

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Utilization of high tech engineering materials such as composites has been extensively applied in the industries of civil, mechanical and aerospace due to their favourable characteristic such as high stiffness to weight ratio, improve corrosion and environmental resistance and potential reduction of processing. This research is carried out to study the feasibility of laminated composite after cured at different angle due to gravity effects to enhance the curing space required. Vertically cured laminate having similar or improved properties with common horizontally cured laminate to save much s

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GEÇMEZ, Hacer, and Hamza Arda DEVECİ. "Optimization Of Hybrid Composite Laminates With Various Materials Using GA/GPSA Hybrid Algorithm for Maximum Dimensional Stability." Bitlis Eren Üniversitesi Fen Bilimleri Dergisi 13, no. 1 (2024): 107–33. http://dx.doi.org/10.17798/bitlisfen.1354586.

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In this study, it is aimed to obtain the highest dimensional stability against temperature changes in fiber-reinforced hybrid composite laminates considering eight different composite materials: Aramid/Epoxy, AS4/Epoxy, Boron/Epoxy, E-Glass/Epoxy, IM6/Epoxy, GY70/Epoxy, Kevlar49/Epoxy, and Spectra/Epoxy. The study focuses on finding the optimum continuous and traditional fiber angle orientations for the hybrid composite plates that would provide the lowest coefficients of thermal expansion. For this purpose, two different laminate sequences were investigated, each including two materials. A hy

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Müller de Almeida, Sérgio Frascino, and Arthur Chaves de Mas Santacreu. "Environmental Effects in Composite Laminates with Voids." Engineering Plastics 3, no. 3 (1995): 147823919500300. http://dx.doi.org/10.1177/147823919500300305.

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This work presents an experimental program aimed at investigating some aspects of environmental effects on carbon/epoxy laminates with voids. The objective is to obtain experimental data to subsidize acceptance criteria for ultrasonic inspection of composite parts for aerospace applications. A fabrication process that produces laminates with reasonably uniform distribution of voids and nearly constant fibre fraction is described. The interlaminar shear strength of laminates with three different levels of void content was measured at four different conditions: RTD (room temperature, dry), RTW (

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Müller de Almeida, Sérgio Frascino, and Arthur Chaves de Mas Santacreu. "Environmental Effects in Composite Laminates with Voids." Polymers and Polymer Composites 3, no. 3 (1995): 193–204. http://dx.doi.org/10.1177/096739119500300305.

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This work presents an experimental program aimed at investigating some aspects of environmental effects on carbon/epoxy laminates with voids. The objective is to obtain experimental data to subsidize acceptance criteria for ultrasonic inspection of composite parts for aerospace applications. A fabrication process that produces laminates with reasonably uniform distribution of voids and nearly constant fibre fraction is described. The interlaminar shear strength of laminates with three different levels of void content was measured at four different conditions: RTD (room temperature, dry), RTW (

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Sumbaga, Yudha Arya, and Rahmat Saptono. "Impact Resistance Enhancement of GLARE Composite Laminates Reinforced with Shape Memory Alloy Wires." Materials Science Forum 1114 (February 22, 2024): 153–61. http://dx.doi.org/10.4028/p-9wdbiu.

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This study investigates the impact resistance of Glass Laminate Aluminum Reinforced Epoxy (GLARE) composite laminates by incorporating shape memory alloy (SMA) wires. The influence of varying percentages of pre-strain (0%, 1%, 3%, and 5%) on the SMA wires embedded in the GLARE composites was examined. Laminate composites were made by hand lay-up method using 1100 series aluminum, glass laminate, epoxy resin, and nitinol wire. Impact testing was carried out using the Charpy (un-notched) method. The results demonstrate that the presence of SMA wires significantly enhances the impact resistance o

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Al-Madani, Ramadan A., M. Jarnaz, K. Alkharmaji, and M. Essuri. "Finite Element Modeling of Composites System in Aerospace Application." Applied Mechanics and Materials 245 (December 2012): 316–22. http://dx.doi.org/10.4028/www.scientific.net/amm.245.316.

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The characteristics of composite materials are of high importance to engineering applications; therefore the increasing use as a substitute for conventional materials, especially in the field of aircraft and space industries. It is a known fact that researchers use finite element programs for the design and analysis of composite structures, use of symmetrical conditions especially in complicated structures, in the modeling and analysis phase of the design, to reduce processing time, memory size required, and simplifying complicated calculations, as well as considering the response of composite

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Park, Je Woong, Kwang Hee Im, David K. Hsu, Seung Woo Na, Young Nam Kim, and In Young Yang. "Ultrasonic Detection of Fiber Orientation in Composite Laminates for Use of Vehicular Structures." Key Engineering Materials 297-300 (November 2005): 2109–14. http://dx.doi.org/10.4028/www.scientific.net/kem.297-300.2109.

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The layup of a CFRP (carbon-fiber reinforced plastics) composite laminates affects the properties of the laminate, including stiffness, strength and thermal behavior. It is very important to detect ply error before the laminate is cured for both manual procedure and fiber placement procedure. An ultrasonic technique would be very beneficial, which could be used to test the part after and before curing laminates and requires less time than the optical test. Also cross-polarized scan is very sensitive to the layup errors and ply misorientations. Scanners were set out for different measurement mo

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