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Journal articles on the topic 'Laminated plastics'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

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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2

Luo, Shen-Yi, and Faruk Taban. "Deformation of Laminated Elastomer Composites." Rubber Chemistry and Technology 72, no. 1 (1999): 212–24. http://dx.doi.org/10.5254/1.3538791.

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Abstract Flexible elastomer composites subjected to finite deformation are usually associated with significant fiber re-orientation and configuration change which cannot be described by classical composite lamination theory. Utilizing the Lagrangian description and a strain-energy density approach, this work presents a set of 2-D constitutive equations in terms of the overall deformation of laminated composites. This model includes both geometric and material nonlinearities of the laminate. Interlaminar shear deformation is addressed but not studied in this analysis. Theoretical predictions ha

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3

Evran, Savaş. "Numerical and statistical buckling analysis of laminated composite plates with functionally graded fiber orientation angles." Polymers and Polymer Composites 28, no. 7 (2020): 502–12. http://dx.doi.org/10.1177/0967391120936029.

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The aim of this numerical and statistical study was to investigate the buckling analysis of laminated composite plates containing functionally graded fiber orientation angles. The laminated composite plates had functionally graded fiber orientation angles based on Taguchi’s L18 (21 × 32) orthogonal array. The fiber orientation angles were considered to be control factors. Numerical analyses were performed using finite element software ANSYS. The optimum critical buckling load and the effects of fiber orientation angles for maximum data were determined using the analysis of the signal-to-noise

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4

Lin, Yan Yu, Mei-Chen Lin, Ching-Wen Lou, Yueh-Sheng Chen, and Jia-Horng Lin. "Thermoplastic Laminated Composites Applied to Impact Resistant Protective Gear: Structural Design and Development." Polymers 15, no. 2 (2023): 292. http://dx.doi.org/10.3390/polym15020292.

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Laminated composites have been commonly applied to all fields. When made into laminated composites, Kevlar woven fabrics are able to provide the required functions. In this study, two types of TPU are incorporated to improve the intralayer features of Kevlar/TPU laminated composites. Hence, the Kevlar/TPU laminated composites consist of firmly bonded laminates while retaining flexibility of the fabrics. Being the interlayer of the laminated composites, the TPU layer provides adhesion while strengthening the tensile property, dynamic puncture resistance, and buffer strength of Kevlar/TPU lamina

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5

Parhizgar, S. "Determination of Stiffness Properties of Multi-Ply Cord-Rubber Composites." Tire Science and Technology 17, no. 3 (1989): 201–16. http://dx.doi.org/10.2346/1.2141685.

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Abstract The material properties of cord-rubber composites required for finite element analysis of tires are discussed. It is shown that the current experimental methods used in verification of the Laminated Plate Theory have not adequately included the coupling deformations existing in unsymmetrical laminated composites. The importance of these coupling deformations is demonstrated on a 0/90 laminated strip. A special grip system capable of decoupling loads and moments applied to a 0/90 laminated strip is introduced. A procedure for experimental determination of the stiffness constants of 0/9

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Valot, E., P. Vannucci, and G. Verchery. "Complete In-plane Elastic Characterisation under Tensile Tests of Angle-Ply Laminates Composed of Polymer-Matrix Layers." Polymers and Polymer Composites 10, no. 7 (2002): 483–92. http://dx.doi.org/10.1177/096739110201000701.

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In this paper we present a new strategy to completely characterise the in-plane elastic properties of a large range of angle-ply laminates using only unidirectional tests. We consider laminates having the same number of identical plies in the α and – α directions. This new method uses some preceding results found by Verchery for orthotropic laminates, namely the conditions of existence of a specific direction ω, in which the shear-extension coupling is null. The characterisation of the laminate is then made using the results of three tensile tests: two in the orthotropy axes, and the third one

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7

Huang, Zheng-Ming, X. C. Teng, and S. Ramakrishna. "Fatigue Behaviour of Multilayer Braided Fabric Reinforced Laminates." Polymers and Polymer Composites 13, no. 1 (2005): 73–81. http://dx.doi.org/10.1177/096739110501300106.

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In this paper, the fatigue behaviour of the laminated composites made from an epoxy matrix and four layers of flat regular braided carbon fiber fabrics of different braiding angles was investigated experimentally. Three laminate lay-ups were used. They are: [100/100/100/100], [280/100/100/280], and [280/280/280/280], where 100 within the bracket indicates that the single layer braid lamina had a braiding angle of 100 inclined with the longitudinal (loading) direction. The static tensile and tension-tension fatigue tests were conducted for those laminates, and detailed fatigue data are reported

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8

Evran, Savaş. "Experimental and statistical free vibration analyses of laminated composite beams with functionally graded fiber orientation angles." Polymers and Polymer Composites 28, no. 7 (2020): 513–20. http://dx.doi.org/10.1177/0967391120938210.

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In this experimental and statistical study, free vibration behavior of laminated composite beams with functionally graded fiber orientation angles was investigated under clamped-free boundary conditions. The beams were manufactured using E-glass/epoxy. Fiber orientation angles of the beams were analyzed based on Taguchi’s L9 (33) orthogonal array. The effect of fiber orientation angles and beams with optimum levels were assessed using analysis of signal-to-noise ratio. Significant laminates of the beams and their percent contributions on the free vibration responses were obtained using analysi

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9

Go, Sun-Ho, Min-Sang Lee, Chang-Gi Hong, Lee-Ku Kwac, and Hong-Gun Kim. "Correlation between Drop Impact Energy and Residual Compressive Strength According to the Lamination of CFRP with EVA Sheets." Polymers 12, no. 1 (2020): 224. http://dx.doi.org/10.3390/polym12010224.

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Carbon-fiber-reinforced plastic is an important building material; however, its application is limited because of its brittleness, leading to vulnerability under shock. Thus, the strength performance of carbon-fiber-reinforced plastics needs to be improved. Here, the drop impact test was conducted to analyze the impact energy and fracture characteristics of carbon-fiber-reinforced plastics and ethylene vinyl acetate sheets. The compression after impact test was performed to assess the residual compressive strength. The thermal energy generated was measured as change in temperature at the time

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10

Lee, Sang-Kwon, Sungil Bang, and Jiseon Back. "Effect of laminated angle of carbon fiber on interior noise on an enclosure under center point excitation." Journal of Reinforced Plastics and Composites 38, no. 3 (2018): 117–32. http://dx.doi.org/10.1177/0731684418808091.

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This paper presents a novel method to control passively the interior noise of an enclosure such as car cabin by using the movement of the peak level and peak frequency according to the laminated angle of carbon fiber reinforced plastic composite plate. Recently, the use of carbon fiber reinforced plastic laminated plates in a car has been increased in order to reduce the weight of a car. For example, the metal plate roof has been replaced by the carbon fiber reinforced plastic plate roof for weight reduction of an electric vehicle. The characteristics of the interior noise inside of a car made

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11

Gurvich, Mark R. "On Multi-Scale Modeling of Elastomeric Laminated Composites for Structural Analysis." Rubber Chemistry and Technology 79, no. 2 (2006): 217–32. http://dx.doi.org/10.5254/1.3547934.

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Abstract Analysis of complex structures is often based on multi-scale modeling, where effective properties of certain substructures are used instead of actual properties of smaller components. Laminated composites are usually considered as such sub-structures in components with laminated design. In case of elastomeric composites, well-known classical laminate theories could hardly be used due to significant non-linearity and incompressibility of material deformation. A convenient engineering variant of laminated model is proposed in this study for composites where neither physical nor geometri

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Taheri-Behrooz, Fathollah, and Nima Bakhshi. "Neuber’s rule accounting for the material nonlinearity influence on the stress concentration of the laminated composites." Journal of Reinforced Plastics and Composites 36, no. 3 (2016): 214–25. http://dx.doi.org/10.1177/0731684416680302.

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Since holes comprise the necessary features of many structural components, a comprehensive understanding of the behavior of composite plates containing an open hole is a crucial step in their design process. In the present manuscript, an extensive numerical study has been conducted in order to investigate the effects of material nonlinearity on the stress distribution and stress concentration factors in unidirectional and laminated composite materials. To attain this objective, various models with different configurations were studied. In unidirectional composites, the maximum deviation of str

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13

Kablov, E. N., L. V. Semenova, V. A. Bogatov, I. V. Mekalina, A. G. Krynin, and M. K. Aizatulina. "New Electrically Heated and Bird-Strike-Resistant Polymer Glazing for Aircraft." International Polymer Science and Technology 45, no. 5 (2018): 231–36. http://dx.doi.org/10.1177/0307174x1804500510.

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The main stages in the development of a bird-strike-resistant heated curved organic laminate for aircraft glazing are described: the selection of the polymeric materials; the application of a heated coating to the polymeric material; the moulding of glazing elements; the application of leads to the conductive coating; autoclave pressing of the laminated polymer material.

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Li, Bo, Shu Nuan Liu, Xi Tian Tian, Fei Gao, and Zhen Ming Zhang. "Drilling Simulation on Carbon Fiber Reinforced Plastics and Aluminum Laminated Composite." Advanced Materials Research 490-495 (March 2012): 3281–85. http://dx.doi.org/10.4028/www.scientific.net/amr.490-495.3281.

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In order to study the process of drilling carbon fiber reinforced plastics and aluminum alloy laminated composite, a simulation on drilling is conducted by using FEM analysis software ABAQUS, the finite element model of carbon fiber composite material finite element model is established. The dynamic simulation of the drilling process of carbon fiber reinforced plastics is carry on, which based on the elastic-plastic theory of material deformation and the thermal coupling theory, obtaining continuous drilling force and torque data. The influence of material and parameters on drilling and drilli

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15

Vidinejevs, Sergejs, and Andrey Aniskevich. "The system of carbon fibre-reinforced plastics micro-tubes for self-healing of glass fibre-reinforced plastics laminates." Journal of Composite Materials 51, no. 12 (2016): 1717–27. http://dx.doi.org/10.1177/0021998316665898.

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A system of pultruded carbon fibre-reinforced plastics micro-tubes is used for self-healing simulation in laminated polymer composite. The system consists of a package of micro-tubes, placed in the symmetry plane of the GFR/epoxy laminate stack. Healing agent is a mixture of the epoxy resin and hardener. The healing agent releases and penetrates into the cracks after the composite is damaged by the quasi-static indentation. The specimens are healed at 30℃ for 24 h. Rectangular specimens notched under ASTM D2733 have been subjected to tensile test to determine interlaminar shear strength. Shear

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16

Luo, Guang-Min, Guang-Yen Liou, and Hong-Zhe Xiao. "Using a Fiber Bragg Grating Sensor to Measure Residual Strain in the Vacuum-Assisted Resin Transfer Molding Process." Polymers 14, no. 7 (2022): 1446. http://dx.doi.org/10.3390/polym14071446.

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Vinyl ester (VE) resin has strong environmental tolerance and is the matrix commonly used in the composite materials of fiber-reinforced plastics (FRP). VE resin is often combined with glass fiber in different maritime structures, such as wind turbine blades, spinner cases, and nacelle cases. However, VE resin exhibits exothermic reactions and shrinkage during curing, which often generates residual strain in large structures and those with a high stacking number. This study explored the exothermic reaction and shrinkage of VE resin and glass fiber during the vacuum-assisted resin transfer mold

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17

Froš, Denis, Karel Dušek, and Petr Veselý. "Investigation of Impacts on Printed Circuit Board Laminated Composites Caused by Surface Finish Application." Polymers 13, no. 19 (2021): 3203. http://dx.doi.org/10.3390/polym13193203.

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The purpose of this study was to compare the strength of the bond between resin and glass cloth for various composites (laminates) and its dependence on utilized soldering pad surface finishes. Moreover, the impact of surface finish application on the thermomechanical properties of the composites was evaluated. Three different laminates with various thermal endurances were included in the study. Soldering pads were covered with OSP and HASL surface finishes. The strength of the cohesion of the resin upper layer was examined utilizing a newly established method designed for pulling tests. Exper

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18

Proietti, Alice, Leandro Iorio, Nicola Gallo, et al. "Recycling of Carbon Fiber Laminates by Thermo-mechanical Disassembly and Hybrid Panel Compression Molding." Materiale Plastice 59, no. 1 (2022): 44–50. http://dx.doi.org/10.37358/mp.22.1.5558.

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An innovative recycling process for thermoset composite laminates is proposed by thermo-mechanical disassembly and further compression molding of hybrid thermoformable composite plates. Due to the thermo-mechanical process, single cured plies are extracted from the waste laminate. Subsequently re-lamination is performed by interposing thermoplastic films between the reclaimed composite plies. Final consolidation is carried out by compression molding. In order to show the feasibility of the novel recycling technology, carbon fiber reinforced composite plates by autoclave molding were thermo-mec

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Ivanova, Angela. "Solving recycling challenges with sustainable polymers." Open Access Government 42, no. 1 (2024): 378. http://dx.doi.org/10.56367/oag-042-11347.

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Solving recycling challenges with sustainable polymers [Angela Ivanova, CEO & Co-Founder, explains how her firm LAM’ON solves recycling challenges. A shift to sustainable polymers will reduce the environmental footprint of non-degradable packaging materials; we discover. Laminated flexible plastic packages play a vital role in protecting the quality and shelf-life of our favourite products. However, these widely used laminated paper containers, which consist of paper/cardboard, plastic, and metals like aluminium, pose significant recycling challenges. The pulp and paper sector stands as a

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20

Ali, Hafiz Tauqeer, Roya Akrami, Sakineh Fotouhi, Farzad Pashmforoush, Cristiano Fragassa, and Mohammad Fotouhi. "EFFECT OF THE STACKING SEQUENCE ON THE IMPACT RESPONSE OF CARBON-GLASS/EPOXY HYBRID COMPOSITES." Facta Universitatis, Series: Mechanical Engineering 18, no. 1 (2020): 069. http://dx.doi.org/10.22190/fume191119010a.

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This paper investigates low-velocity impact response of Quasi Isotropic (QI) hybrid carbon/glass fiber reinforced polymer composites with alternate stacking sequences. Cross-ply woven carbon and glass fibers were used as reinforcing materials to fabricate sandwiched and interlayer hybrid composites. For comparison, the laminates containing only-carbon and only-glass fibers were also studied. Drop weight test was used to impact the samples. The images captured by a normal camera demonstrated that localized damages (delamination) existed within plies. The hybrid laminates had smaller load drops,

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21

Kruklin'sh, A. A., and A. �. Pa�glitis. "Relative energy dissipation in laminated reinforced plastics." Mechanics of Composite Materials 24, no. 3 (1988): 332–39. http://dx.doi.org/10.1007/bf00606604.

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Narkevich, Igor A., Stanislav V. Stepanov, Alla O. Volgusheva, et al. "Alexander Stepanovich Ardemasov: Party director of the Leningrad Pharmaceutical Institute in 1940-1942." Pharmacy Formulas 2, no. 3 (2020): 116–21. http://dx.doi.org/10.17816/phf45993.

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Based on unpublished archival documents from the Central State Archive of Party Historical Documents, the article reconstructs the biography of A.S. Ardemasov, a party worker, the Director of the Leningrad Pharmaceutical Institute (now Saint Petersburg State Chemical and Pharmaceutical University) in the pre-war period, during the Great Patriotic War (WWII) and the post-war years. During his path of life, A.S. Ardemasov headed the leading chemical enterprises of the USSR: the Leningrad Laminated Plastics Plant (now the Laminated Plastics Plant, LLC, St. Petersburg), the State Institute of Appl

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23

Wang, Xing, Yu Jiang, Yonghui Huang, Yue Huang, and Fan Wang. "Finite Element Failure Analysis of GFRP Laminates in Plate-Cone Reticulated Shell." Advances in Polymer Technology 2020 (June 19, 2020): 1–12. http://dx.doi.org/10.1155/2020/2809302.

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Plate-cone reticulated shell is a new type of spatial structures with good mechanical behavior, technical economy, and architectural appearance. In this paper, using ANSYS software, the strength failure analysis model of composite laminates is established in cooperation with the Strength Criterion of Hoffman. The effects of layer number, laying direction, and thickness of laminates on the ultimate strength of laminates are studied by detailed parametric analysis, which provides a theoretical basis for the design of composite plate-cone reticulated shell and GFRP laminated plates. Some importan

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Bernal-Carrillo, Johnatan Gabriel, Fernando Sebastián Chiwo-González, Ana del Carmen Susunaga-Notario, Mayra Del Ángel–Monroy, Hugo Arcos-Gutiérrez, and Isaías Emmanuel Garduño-Olvera. "Development and redesign of flexible packaging under sustainability criteria." REVISTA DE CIENCIAS TECNOLÓGICAS 7, no. 1 (2024): e253. http://dx.doi.org/10.37636/recit.v7n1e253.

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The circular economy and sustainable development are critical issues today, given the growing environmental pollution caused by solid waste, especially plastics. Furthermore, plastic waste has raised significant social concerns and alerted plastic product designers. Therefore, developing or redesigning plastic products in the flexible packaging industry is imperative to ensure their recyclability at the end of their life cycle. It is necessary to ensure that the mechanical and barrier properties of the ecological plastic packaging remain intact for specific uses. The current study aims to rede

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Lukina, N. F., L. A. Dement’eva, and L. I. Anikhovskaya. "ADHESIVE PREPREGS FOR LAMINATED ALUMINUM GLASS PLASTICS (SIAL)." Proceedings of VIAM, no. 1 (January 2014): 5. http://dx.doi.org/10.18577/2307-6046-2014-0-1-5-5.

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Gurvich, Mark R. "On Effective Modeling of Laminated Cord-Rubber Composites." Rubber Chemistry and Technology 80, no. 4 (2007): 608–20. http://dx.doi.org/10.5254/1.3548183.

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Abstract The major challenge in modeling of laminated cord-rubber composites (CRC) is to achieve desired predictive accuracy as well as maintain computational efficiency of corresponding numerical solutions. Existing modeling methods are primarily based on a) more traditional theories developed for fiber-reinforced polymer-matrix laminates and b) rebar- and shell based FEA approaches. Although mentality of these methods is widely used in rubber and tire engineering, these models often significantly simplify important issues of non-linearity and 3-D nature of interlaminar deformation. The objec

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Xu, Wei, Yunfeng Lu, Ruihu Zhu, Maciej Radzieński, Maosen Cao, and Wiesław Ostachowicz. "Shear Strain Singularity-Inspired Identification of Initial Delamination in CFRP Laminates: Multiscale Modulation Filter for Extraction of Damage Features." Polymers 14, no. 11 (2022): 2305. http://dx.doi.org/10.3390/polym14112305.

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Identification of initial delamination is crucial to ensure the safety of the fiber-reinforced laminated composite structures. Amongst the identification approaches based on mode shapes, the concept of multiscale shear-strain gradient (MSG) has an explicit physical sense of characterizing delamination-induced singularity of shear strains; moreover, it is robust against noise interference owing to the merits of multiscale analysis. However, the capacity of the MSG for identifying initial delamination is insufficient because the delamination-induced singularity peak can be largely obscured by th

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Martulli, Luca Michele, Riccardo Sala, Gennaro Rollo, et al. "Preliminary Stiffness-Driven Redesign of a Laminated Prosthetic Component Using Additive Manufacturing." Polymers 15, no. 2 (2023): 346. http://dx.doi.org/10.3390/polym15020346.

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Three-dimensional printed polymers offer unprecedented advantages for prosthetic applications, namely in terms of affordability and customisation. This work thus investigates the possibility of designing an additively manufactured prosthetic foot using continuous fibre-reinforced polymers as an alternative to composite laminate ones. A numerical approach was thus proposed and validated as a possible design tool for additively manufactured composite feet. This approach was based on explicit separate simulations of the infill, aiming to capture its homogenised engineering constants. The approach

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Ng, S. C., Napsiah Binti Ismail, Aidy Ali, and Barkawi Sahari. "Defect Reconstruction in Laminated Composites by Ultrasonic Imaging." Applied Mechanics and Materials 263-266 (December 2012): 371–77. http://dx.doi.org/10.4028/www.scientific.net/amm.263-266.371.

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Ultrasonic method for the investigation of multi-layered laminates such as glass fiber reinforced plastics (GFRP) has been a challenging task in industry due to their inherent nature as a combination of constituents and the respective fabrication process. The coarse-grain structure of the material, fiber orientation and stacking sequence of laminated composites generate undesirable echoes for the ultrasonic signals during the testing. These echoes distributed randomly in time affects the measurements of ultrasonic parameters. In this paper, the utilization of attenuation and time-of-flight (TO

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Gu, Huang. "Comparison between laminated and integrated glass fibre reinforced plastics." Materials & Design 21, no. 5 (2000): 461–64. http://dx.doi.org/10.1016/s0261-3069(00)00004-2.

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Ryska, J. "Deformation and strength of laminated quasiisotropic carbon-reinforced plastics." Mechanics of Composite Materials 21, no. 3 (1985): 300–305. http://dx.doi.org/10.1007/bf00611615.

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Magomedov, G. M., Z. R. Radzhabov, G. P. Mashinskaya, and A. B. Aivazov. "Anisotropy of the viscoelastic properties of laminated organometallic plastics." Mechanics of Composite Materials 25, no. 5 (1990): 559–63. http://dx.doi.org/10.1007/bf00612896.

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Naveen, J., M. Jawaid, ES Zainudin, Mohamed TH Sultan, and R. Yahaya. "Effect of graphene nanoplatelets on the ballistic performance of hybrid Kevlar/Cocos nucifera sheath-reinforced epoxy composites." Textile Research Journal 89, no. 21-22 (2019): 4349–62. http://dx.doi.org/10.1177/0040517519833970.

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This study investigated the effect of graphene nanoplatelets (GnPs) on the ballistic performance of Kevlar/ Cocos nucifera sheath-reinforced epoxy composites. GnPs with different wt. % (0%, 0.25%, 0.50%) were integrated into epoxy resin through ultra-sonication. Laminated composites were fabricated by incorporating Kevlar and Cocos nucifera sheath layers into the epoxy/GnP mixture by the hand lay-up method followed by hot pressing. Nine- and 12-layered laminates were fabricated with different numbers of Kevlar and Cocos nucifera sheath plies. Ballistic tests were conducted using a single-stage

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Ghavanini, Navid, Antonio Maria Caporale, Paolo Astori, Alessandro Airoldi, and Paolo Panichelli. "Impact Response of Monolithic and Laminated Polycarbonate Panels: An Experimental and Numerical Investigation." Polymers 15, no. 24 (2023): 4677. http://dx.doi.org/10.3390/polym15244677.

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This study aimed to investigate the impact resistance of monolithic and laminated polycarbonate plates for windshields in motorsport applications through a coupled experimental–numerical study. Both low- and high-velocity impact tests were performed by using a drop tower and a gas gun, respectively, considering a sharp-edged projectile impacting on flat panels. The response of the polycarbonate plates was evaluated in terms of the failure mode, perforation velocity threshold, and energy absorption mechanism. The experiments allowed for the assessment and the generalization of a 3D finite eleme

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Bayati Chaleshtari, Mohammad Hossein, Mohammad Jafari, and Hadi Khoramishad. "Effect of cutout geometry on the failure strength of symmetric laminates under uniform heat flux." Journal of Reinforced Plastics and Composites 41, no. 3-4 (2021): 81–98. http://dx.doi.org/10.1177/07316844211048772.

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The present work aims to investigate the thermal stress distribution in an infinite symmetrical laminated composite plate with a polygonal cutout to determine the laminate failure strength based on the first ply failure according to Hashin–Rotem and Tsai–Wu criteria. Lekhnitskii’s solution technique has been used to obtain the required potential functions. The extension of the technique used for the circular and elliptical cutouts into polygonal cutouts was performed using conformal mapping function in accordance with the procedure of complex variables. The main parameters such as cutout orien

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Mohammadi, Bjian, Milad Rohanifar, Davood Salimi-Majd, and Amin Farrokhabadi. "Micromechanical prediction of damage due to transverse ply cracking under fatigue loading in composite laminates." Journal of Reinforced Plastics and Composites 36, no. 5 (2017): 377–95. http://dx.doi.org/10.1177/0731684416676635.

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To predict the matrix microcracking of laminated composites under fatigue loading, a novel energy based model is presented in the framework of micromechanics. For this purpose, strain energy release rate (SERR) of microcracks which had been derived previously for the whole laminate, is developed for a lamina, and then is calculated using a stress transfer-based stiffness reduction method. The advantages of the proposed method include its capability to predict the matrix cracking of general lay-ups based on the local stresses and stiffnesses of each plies separately and not being limited to a s

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Lake, G. J. "Application of Fracture Mechanics to Crack Growth in Rubber-Cord Laminates." Rubber Chemistry and Technology 74, no. 3 (2001): 509–24. http://dx.doi.org/10.5254/1.3547649.

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Abstract The use of a fracture mechanics approach based on the strain energy release rate to assess failure due to the growth of fatigue cracks in rubber—cord laminated structures is discussed. The mechanics of crack propagation is considered for cracking either between the plies or around individual cords, and also for crack initiation and growth near cord ends. Energy release rates can be calculated approximately for each of these cases and enable the laminate results to be related to the independently measured crack growth characteristics of the rubber. Experimental energy release rate dete

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Nabels-Sneiders, Martins, Oskars Platnieks, Liga Grase, and Sergejs Gaidukovs. "Lamination of Cast Hemp Paper with Bio-Based Plastics for Sustainable Packaging: Structure-Thermomechanical Properties Relationship and Biodegradation Studies." Journal of Composites Science 6, no. 9 (2022): 246. http://dx.doi.org/10.3390/jcs6090246.

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Composite laminate recycling and waste disposal routes remain a burden to existing systems, requiring special treatment and separation. The inclusion of a plastic layer is important for several key properties that are required for food safety, which in turn has made these products exceptionally hard to substitute in food packaging. Yet, the continued use of non-degradable commodity plastics is unsustainable. In this research, we compare the four most promising biodegradable and bio-based plastics that could replace non-degradable plastics in laminates. Polyhydroxyalkanoate (PHA), polylactic ac

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Wei, C. Y., A. Miller, and A. G. Gibson. "Effects of Processing Variables on the Powder Impregnation Technique for Continuous Fibre Composite Materials." Polymers and Polymer Composites 5, no. 1 (1997): 41–48. http://dx.doi.org/10.1177/096739119700500105.

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Prepregs of continuous glass fibre reinforced thermoplastics were produced, applying different processing variables of the powder impregnation process. The investigation was concerned with the effects of tow tension, line speed and temperature. A recently developed process model was employed to interpret the effects of temperature and fibre volume fraction on void content. An equation was derived to calculate fibre volume fraction according to the width of a spread fibre tow. Experimental results demonstrate that the process variables greatly affect the fibre content and the void content of th

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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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MATSUSAKA, Kikuo. "Interaction between metal and resin on plastics laminated metal sheet." Journal of the Surface Finishing Society of Japan 42, no. 4 (1991): 394–99. http://dx.doi.org/10.4139/sfj.42.394.

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KANEKO, Masao, Minyoung JUN, and Akira YANAGISAWA. "Production of Conductive Plastics Using Laminated Coiled Sheet Shaving Method." Sen'i Kikai Gakkaishi (Journal of the Textile Machinery Society of Japan) 58, no. 10 (2005): T136—T141. http://dx.doi.org/10.4188/transjtmsj.58.t136.

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Gordeeva, M. I., and Yu A. Knyazeva. "The structure and properties of laminated aluminum-glass reinforced plastics." IOP Conference Series: Materials Science and Engineering 889 (August 11, 2020): 012015. http://dx.doi.org/10.1088/1757-899x/889/1/012015.

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Galić, Josip, Lucija Stepinac, Antonia Bošnjak, and Ivana Zovko. "Influence of PVB Interlayer Mechanical Properties on Laminated Glass Elements Design in Dependence of Real Time-Temperature Changes." Polymers 14, no. 20 (2022): 4402. http://dx.doi.org/10.3390/polym14204402.

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Most used laminated glass is composed of float glass plies bonded together with a viscoelastic Polyvinyl Butyral (PVB) interlayer. The shear stiffness of the polymeric interlayer is the key factor in the behavior of laminated glass. Structural engineers in the past were designing laminated glass regardless of the shear coupling of the plies. This approach with a high level of reliability led to expensive laminated glass structures due to insufficient knowledge of foil properties. Most of the current standards suggest methods that consider the shear coupling of the plies. This paper presents th

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Lin, Zikai, Changheng Shi, Xiaochu Huang, Can Tang, and Ye Yuan. "A Study on Damage of T800 Carbon Fiber/Epoxy Composites under In-Plane Shear Using Acoustic Emission and Digital Image Correlation." Polymers 15, no. 21 (2023): 4319. http://dx.doi.org/10.3390/polym15214319.

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In addition to measuring the strain, stress, and Young’s modulus of materials through tension and compression, in-plane shear modulus measurement is also an important part of parameter testing of composites. Tensile testing of ±45° composite laminates is an economical and effective method for measuring in-plane shear strength. In this paper, the in-plane shear modulus of T800 carbon fiber/epoxy composites were measured through tensile tests of ±45° composite laminates, and acoustic emission (AE) was used to characterize the damage of laminates under in-plane shear loading. Factor analysis (FA)

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Han, Chaofeng, Baozhong Sun, and Bohong Gu. "Electric conductivity and surface potential distributions in carbon fiber reinforced composites with different ply orientations." Textile Research Journal 92, no. 7-8 (2021): 1147–60. http://dx.doi.org/10.1177/00405175211048160.

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The electric conductivity and surface potential distributions of carbon fiber laminated panels with different ply orientations have been investigated. We found that the unidirectional (UD) lamina has higher conductivity along the carbon fiber direction than the perpendicular direction, and equipotential contours also show different gradients along the two directions. The cross-ply (CP) and quasi-isotropic (QI) laminates have the mixed effects of the UD lamina electric conductivity and ply orientations, while the surface potential distributions mostly depend on the surface lamina direction. The

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Esfahani, Javad Moftakharian, Masoud Esfandeh, and Ali Reza Sabet. "Effect of Nanoclay on Quasi Static Perforation of Thin-walled Polymer Composite Laminates." Polymers and Polymer Composites 20, no. 8 (2012): 737–48. http://dx.doi.org/10.1177/096739111202000809.

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In this study, the penetration and perforation performance of nanoclay reinforced unsaturated polyester resin/fibreglass nanocomposite laminates have been investigated via quasi-static indentation tests using ahemispherical nose indenter. Unsaturated polyester resin (UP) was mixed with 1.5 and 3 wt.% nanoclay using a homogenizer stirrer to prepare a homogeneous mix. UP reinforced nanocomposite was then utilized to manufacture 150 × 150 mm2 laminated composite panels using 400 g/m2 glass fibre woven roving via a hand lay-up process. X-ray diffractometry, transmission electron microscopy analysi

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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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Deveci, H. Arda, and H. Seçil Artem. "On the estimation and optimization capabilities of the fatigue life prediction models in composite laminates." Journal of Reinforced Plastics and Composites 37, no. 21 (2018): 1304–21. http://dx.doi.org/10.1177/0731684418791231.

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In this study, the estimation and optimization capabilities of the multiaxial fatigue life prediction models, namely, Failure Tensor Polynomial in Fatigue, Fawaz–Ellyin, Sims–Brogdon and Shokrieh–Taheri are investigated comparatively. Fatigue life predictions are obtained for multidirectional graphite/epoxy, glass/epoxy, carbon/epoxy and carbon/PEEK composite laminate data taken from the literature. The prediction study shows that the models can predict the fatigue behavior of the multidirectional laminates at different degrees of proximity. In the optimization, a hybrid algorithm combining pa

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Rychkov, Daniel, Dmitry Lobanov, and Aleksey Kuznetsov. "Achieving high quality surface of laminated glass-reinforced plastics during milling." MATEC Web of Conferences 224 (2018): 01044. http://dx.doi.org/10.1051/matecconf/201822401044.

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Milling is one of the most common ways of workpiece machining, but obtaining a high quality surface of laminated composite materials is difficult due to their layered structure, high strength characteristics and low heat conductivity. This poses a problem of creating a milling technology that provides a high quality surface. This research investigates STEF -1 glass-fiber plastic with fine grain structure processed on the equipment with high cutting speed. The object of the research is roughness Ra as a quality criterion. Our glass-fiber plastic milling experiments demonstrate that the surface

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