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Journal articles on the topic 'Composite bonded joints'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Motlhakudi, I., and A. Jonker. "Fatigue Characterisation of Adhesives Used in Fibre-Reinforced Composites." R&D Journal 39 (2023): 53–79. http://dx.doi.org/10.17159/2309-8988/2023/v39a6.

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A review of past investigations into the fatigue behaviour of structural adhesives and bonded joints in fibre-reinforced polymer composites is given. An overview of the structural adhesives used in general bonded joint applications is first provided, followed by an experimental fatigue testing of these bonded components. The aspects that influence fatigue strength and fatigue life for adhesively bonded joints in fibre-reinforced polymer composites are then discussed in terms of the adhesive composition, geometry configuration, surface condition and preparation, and loading conditions. The aspe

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2

Ghoneam, S. M., A. A. Hamada, and M. I. El-Elamy. "Experimental and Analytical Investigations of the Dynamic Analysis of Adhesively Bonded Joints for Composite Structures." Solid State Phenomena 147-149 (January 2009): 663–75. http://dx.doi.org/10.4028/www.scientific.net/ssp.147-149.663.

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Adhesively bonded joints are used extensively in various industries. Some imperfections like holes, thermal residual stresses occurring in the bolted, welded, riveted, and soldered joints don't take place in adhesively bonded joints. Hence, the main advantages of bonded joint are lightness, sealing, corrosion resistance, heat and sound isolation, damping, and quickly mounting facility which have been highly proved. This paper introduces an attempt to study the dynamic analysis of adhesively bonded joint for composite structures to investigate mainly the influences of lamina code number, bonded

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3

Hart-Smith, L. J. "Bonded-bolted composite joints." Journal of Aircraft 22, no. 11 (1985): 993–1000. http://dx.doi.org/10.2514/3.45237.

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4

Kulkarni, Santosh, Devendra Singh, Laeth Hussain, et al. "Finite element analysis of bonded, riveted and hybrid joints in glass fibre epoxy composite laminates for aircraft structure." E3S Web of Conferences 563 (2024): 02006. http://dx.doi.org/10.1051/e3sconf/202456302006.

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Because of their superior fatigue resistance and high strength-to-weight ratio, composite materials are essential to the construction of modern airplanes. The joints that interconnect the various parts of these structures play a critical role in their integrity and functionality. In aerospace applications, bonded, riveted, and hybrid joints are among the many types of joints that are frequently used. A thorough finite element analysis (FEA) of hybrid, bonded, and riveted joints in glass fiber epoxy composite laminates for airplane structures is presented in this work. The literature review add

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5

Liu, Longquan. "A study of the damage tolerance of composite-metal hybrid joints reinforced by multiple and penetrative thin pins." Composites and Advanced Materials 31 (January 2022): 263498332211055. http://dx.doi.org/10.1177/26349833221105523.

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The application of adhesive bonding technology in aircraft structures can reduce the total wight greatly, but the bonded joints are very sensitive to the possible manufacturing defects and damages during service operations, which makes them difficult to meet the damage tolerance requirements of the current transport airplane structures. In this study, the damage tolerance of composite-metal hybrid joints reinforced by multiple and penetrative thin pins was studied. The damage tolerance performance of the composite-metal joint is supposed to be enhanced by multiple through-the-thickness penetra

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6

Lokhande, Rupesh, Abhijeet Deshpande, and Ashok Mache. "Taguchi Analysis of Bonded Single-Lap Joint in Hemp Fiber Composite." International Journal of Engineering Technology and Sciences 3, no. 1 (2016): 27–33. http://dx.doi.org/10.15282/ijets.5.2016.1.4.1043.

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The adhesively bonded joints in composite structures are widely used in aerospace and automobile fields. Hemp epoxy composites are better alternative due to its lower specific gravity and higher toughness. . The joining process is inevitable in the application of such composites. The mechanical behaviour of such joints depends on the strength of the composite, adhesive strength and adhesion phenomenon between substrate and adhesive. The influence of overlap length, adhesive layer thickness and cure temperature on the performance of adhesive joints investigated experimentally. The influence of

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7

ATMAKURI, Ayyappa, Arvydas PALEVICIUS, Madhusudan SIDDABATHULA, and Giedrius JANUŠAS. "Failure Studies on Adhesive Bonded and Bolted Joints of Natural Fiber Composites." Mechanics 27, no. 5 (2021): 392–99. http://dx.doi.org/10.5755/j02.mech.28108.

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Composites with natural fibers as reinforcements are playing a vital role in recent developments. The present work deals with the fabrication of okra and empty fruit bunch banana fiber polyester matrix composites with varying reinforcement content (5%, 10%, and 15%). Composites were fabricated by using the hand layup technique. After the fabrication process, composites were then adhesively bonded and also joined with bolts. The main objective of this work is to analyse the failure studies on adhesive bonded and bolted joints of okra and empty fruit bunch banana composite specimens. The specime

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8

P, Prasad, Sreenivasa Murthy B. P, and Thimmegowda M. B. "Bonded Composite Laminates (E-Glass to Graphite) Failure Analysis Subjected to Axial Tension." International Journal for Research in Applied Science and Engineering Technology 12, no. 12 (2024): 1146–55. https://doi.org/10.22214/ijraset.2024.65986.

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Abstract: Researchers studied influence of various parameters on the failure behaviour on metal and composite joints. The one of the challenge in analysis of bonded joints of dissimilar materials of the stress and strain fields at the adhesive layer and adherents. The adhesive bonded joints are most used in present technology in aerospace engineering, mechanical engineering, automotive sectors and civil engineering. This work is based on numerical tools of engineering structures adhesion problems. The proposed numerical tools are implemented Finite Element Method (FEM). A numerical methods bas

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9

Nagayya, M. K. Venkatesh, N. Nithesh Bhaskar, and B. K. Venkatesha. "Strength analysis of carbon fiber reinforced polymer and titanium alloy for axisymmetric lap joint." Journal of Mines, Metals and Fuels 69, no. 12A (2022): 137. http://dx.doi.org/10.18311/jmmf/2021/30142.

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Many industries such as oil, gas, aerospace, and automotive, use axisymmetric adhesively bonded single lap joints. Different materials are frequently mated using axisymmetric lap joints. When composite adherents delaminate, the stress circulation inside the adhesive layer significantly influenced. As a result, the importance of considering adhesive layer stresses in the presence of considerable delamination is investigated in this paper. To understand stress analysis and examine adhesive bond strength at static loading conditions, the model created using finite element analysis with cohesive z

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10

Kim, Won Seock, and Jung Ju Lee. "Interfacial Fracture Analysis of Adhesive-Bonded Joints." Advanced Materials Research 33-37 (March 2008): 327–32. http://dx.doi.org/10.4028/www.scientific.net/amr.33-37.327.

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The failure in an adhesive-bonded structure starts at the interface, and the interfacial fracture is of interest whenever adhesion between different materials is concerned. One of primary factors limiting the application of adhesive-bonded joints to structural design is the lack of a good evaluation tool for adhesion strength to predict the load-bearing capacity of boned joints. The adhesion strength of composite/steel bonding has been evaluated using interfacial fracture mechanics characterization. The energy release rate of a composite/steel interfacial crack was compared with the fracture t

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11

Akhavan-Safar, Alireza, Ghasem Eisaabadi Bozchaloei, Shahin Jalali, Reza Beygi, Majid R. Ayatollahi, and Lucas F. M. da Silva. "Impact Fatigue Life of Adhesively Bonded Composite-Steel Joints Enhanced with the Bi-Adhesive Technique." Materials 16, no. 1 (2023): 419. http://dx.doi.org/10.3390/ma16010419.

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One of the most common loading conditions that bonded joints experience in service is repeated impact. Despite the destructive effects of impact fatigue, the behavior of metal-composite bonded joints subjected to repeated impact loads has rarely been studied in the literature. Therefore, it is of utmost importance to pay attention to this phenomenon on the one hand and to find solutions to improve the impact fatigue life of bonded composite metal components on the other hand. Accordingly, in this study, the use of the bi-adhesive technique is proposed to improve the durability of composite-met

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12

P, Prasad. "Study of Adhesive Bonded Joints between Metallic Plates and Composite Laminates." International Journal for Research in Applied Science and Engineering Technology 12, no. 12 (2024): 990–99. https://doi.org/10.22214/ijraset.2024.65948.

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Many researchers studied influences of various parameters on the failure behavior on the composites. One of the challenges in the analysis and design of bonded joints is the valuation of the stress and strain fields at the adhesive layer and adherents. The present investigation deals with the analysis of adhesively bonded dissimilar material single lap joints (SLJ) between mild steel and unidirectional carbon fibres reinforced polymer (CFRP) laminates. The primary objective of this study is to investigate the effects of various parameters, such as bonding strength, overlap length, adherend thi

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13

Asgari Mehrabadi, Farhad. "Experimental and Numerical Failure Analysis of Adhesive Composite Joints." International Journal of Aerospace Engineering 2012 (2012): 1–10. http://dx.doi.org/10.1155/2012/925340.

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In the first section of this work, a suitable data reduction scheme is developed to measure the adhesive joints strain energy release rate under pure mode-I loading, and in the second section, three types of adhesive hybrid lap-joints, that is, Aluminum-GFRP (Glass Fiber Reinforced Plastic), GFRP-GFRP, and Steel-GFRP were employed in the determination of adhesive hybrid joints strengths and failures that occur at these assemblies under tension loading. To achieve the aims, Double Cantilever Beam (DCB) was used to evaluate the fracture state under the mode-I loading (opening mode) and also hybr

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14

Ramezani, Farin, Beatriz D. Simões, Ricardo J. C. Carbas, Eduardo A. S. Marques, and Lucas F. M. da Silva. "Developments in Laminate Modification of Adhesively Bonded Composite Joints." Materials 16, no. 2 (2023): 568. http://dx.doi.org/10.3390/ma16020568.

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The use of carbon fibre reinforced polymer (CFRP) materials is increasing in many different industries, such as those operating in the aviation, marine, and automotive sectors. In these applications, composite parts are often joined with other composite or metallic parts, where adhesive bonding plays a key role. Unlike conventional joining methods, adhesive bonding does not add weight or require the drilling of holes, both of which are major sources of stress concentration. The performance of a composite joint is dependent on multiple factors and can be improved by modifying the adhesive layer

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15

de Queiroz, HFM, MD Banea, and DKK Cavalcanti. "Experimental analysis of adhesively bonded joints in synthetic- and natural fibre-reinforced polymer composites." Journal of Composite Materials 54, no. 9 (2019): 1245–55. http://dx.doi.org/10.1177/0021998319876979.

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The application of adhesively bonded joints in automotive industry has increased significantly in recent years mainly because of the potential for lighter weight vehicles, fuel savings and reduced emissions. The use of composites in making automotive body components to achieve a reduced vehicle mass has also continuously increased. Natural fibre composites have recently attracted a great deal of attention by the automotive industry due to their many attractive benefits (e.g. high strength-to-weight ratio, sustainable characteristics and low cost). However, the literature on natural fibre-reinf

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16

Qin, Tian Liang, Li Bin Zhao, and Hai Huang. "Damage Investigation and Design of Woven Composite Bonded Joint." Key Engineering Materials 417-418 (October 2009): 861–64. http://dx.doi.org/10.4028/www.scientific.net/kem.417-418.861.

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Non-plane joints, such as T-joints, L-joints and  shaped joint can bring enormous potential benefits from the reduction of the fastener and the part count, which lead to the dramatic decrease of assemble cost and primary structural weight in composite structures. To understand the mechanistic character of the  joint, a 3-D finite element analysis model is established by means of software ABAQUS. The stresses on ply level and the predictions on the damage onset of 3-D woven composite π joint under tensile load are obtained. Numerical results agree well with empirical data. The effects of stru

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17

Caldwell, Steven P., and Donald W. Radford. "The Health Monitoring of Bonded Composite Joints Using Both Thickness and Radial Impedance Resonance Responses." Sensors 24, no. 8 (2024): 2508. http://dx.doi.org/10.3390/s24082508.

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With the advent of bonded composites in today’s aircraft, there is a need to verify the structural integrity of the bonded joints that comprise their structure. To produce adequate joint integrity, strict process control is required during bonding operations. The latest non-destructive joint inspection techniques cannot quantify the strength of the bond and only indicate the presence of disbonds or delaminations. Expensive and timely proof-load testing of the joints is required to demonstrate structural performance. This work focuses on experimentally evaluating joint-health monitoring with pi

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18

Malekinejad, Hossein, Ricardo J. C. Carbas, Alireza Akhavan-Safar, Eduardo A. S. Marques, Fernando Castro Sousa, and Lucas F. M. da Silva. "Enhancing Fatigue Life and Strength of Adhesively Bonded Composite Joints: A Comprehensive Review." Materials 16, no. 19 (2023): 6468. http://dx.doi.org/10.3390/ma16196468.

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Adhesive bonding is widely seen as the most optimal method for joining composite materials, bringing significant benefits over mechanical joining, such as lower weight and reduced stress concentrations. Adhesively bonded composite joints find extensive applications where cyclic fatigue loading takes place, but this might ultimately lead to crack damage and safety issues. Consequently, it has become essential to study how these structures behave under fatigue loads and identify the remaining gaps in knowledge to give insights into new possibilities. The fatigue life of adhesively bonded composi

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19

Davaasambuu, Khishigdorj, Yu Dong, Alokesh Pramanik, and Animesh Kumar Basak. "Mechanisms and Performance of Composite Joints Through Adhesive and Interlocking Means—A Review." Journal of Composites Science 9, no. 7 (2025): 359. https://doi.org/10.3390/jcs9070359.

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Conventional adhesively bonded joints, such as single-lap, curved-lap, wavy-lap, double-lap, stepped-lap, and scarf joints, are widely used for aerospace, automotive, and medical applications. These adhesively bonded joints exhibit different load transfer mechanisms and stress distributions within adhesive layers, which depend primarily on their geometries and mechanical properties of bonded materials. As such, joint geometry and material properties play a critical role in determining the capability of the joints to withstand high loads, resist fatigue, and absorb energy under impact loading.

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20

Suhail, Khaliq, and Ghadge R.R. "Fatigue Behavior of Epoxy Bonded Composite Lap Joints." International Journal of Recent Technology and Engineering (IJRTE) 9, no. 2 (2020): 112–14. https://doi.org/10.35940/ijrte.B3167.079220.

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Laminated composites are rapidly finding uses in different engineering applications like Aviation, Sports equipment, Marine technology, Aerospace and Electronics. This is due to their versatile engineering properties. Bolting and Bonding are the widely used joining techniques in composites. However bonding has added advantages over bolting in terms of weight reduction and strength .This paper explores the fatigue strength of single lap epoxy bonded joint between composite laminates. The experimental results are compared with FEA (Finite Element Analysis) results.

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21

Biscaia, Hugo, João Cardoso, and Carlos Chastre. "A Finite Element Based Analysis of Double Strap Bonded Joints with CFRP and Aluminium." Key Engineering Materials 754 (September 2017): 237–40. http://dx.doi.org/10.4028/www.scientific.net/kem.754.237.

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The bonding between two different materials or between same materials is a quite popular method. Unlike fastener joints, it avoids undesirable stress concentrations and doesn't demand an intrusive application to ensure the good performance of the joint. However, depending on the configuration of the adhesively bonded joint, its performance responds differently and the choice (if possible to make) on the best configuration, i.e. the configuration that originates the highest strength and/or stiffness, may be hard to make. Within this context, several configurations of aluminium-to-aluminium bond

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22

Tanary, S., Y. M. Haddad, A. Fahr, and S. Lee. "Nondestructive Evaluation of Adhesively Bonded Joints in Graphite/Epoxy Composites Using Acousto-Ultrasonics." Journal of Pressure Vessel Technology 114, no. 3 (1992): 344–52. http://dx.doi.org/10.1115/1.2929050.

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This paper is concerned with the use of the acousto-ultrasonic technique to evaluate nondestructively the mechanical performance of composite bonded joints. In this context, acousto-ultrasonic measurements followed by destructive shear tests were performed on single lap joint specimens made from graphite/epoxy adherends joined with FM 300 film adhesive. The results indicate a good correlation between acousto-ultransonic wave propagation characteristics and the shear strength of the bonded joints under different testing conditions. These correlations suggest that an estimation of the joint stre

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23

Al-Ramahi, Nawres J., Roberts Joffe, and Janis Varna. "Numerical stress analysis in adhesively bonded joints under thermo-mechanical loading." Advances in Mechanical Engineering 12, no. 10 (2020): 168781402095507. http://dx.doi.org/10.1177/1687814020955072.

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The objective of this work is to evaluate the effect of residual thermal stresses, arising after assembling a single-lap joint at elevated temperature, on the inelastic thermo-mechanical stress state in the adhesive layer. The numerical analysis (FEM) employing linear and non-linear material models, with geometrical nonlinearity accounted for, is carried out. Simulating the mechanical response, the calculated thermal stresses are assigned as initial conditions to polymeric, composite and metallic joint members to reflect the loading sequence where the mechanical strain is applied to cooled-dow

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24

Atakok, Gurcan, and Dudu Mertgenc Yoldas. "Comparison of GFRP (Glass Fiber-Reinforced Polymer) and CFRP (Carbon Fiber-Reinforced Polymer) Composite Adhesive-Bonded Single-Lap Joints Used in Marine Environments." Sustainability 16, no. 24 (2024): 11105. https://doi.org/10.3390/su162411105.

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Macroscopic structures consisting of two or more materials are called composites. The decreasing reserves of the world’s oil reserve and the environmental pollution of existing energy and production resources made the use of recycling methods inevitable. There are mechanical, thermal, and chemical recycling methods for the recycling of thermosets among composite materials. The recycling of thermoset composite materials economically saves resources and energy in the production of reinforcement and matrix materials. Due to the superior properties such as hardness, strength, lightness, corrosion

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25

Mr., Hariharan E. *. "TESTING AND ANALYSIS OF COMPOSITE MATERIALS UNDER TENSILE LOADING WITH DIFFERENT LAP JOINTS." INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & RESEARCH TECHNOLOGY 6, no. 10 (2017): 126–33. https://doi.org/10.5281/zenodo.1002665.

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The composite structural members are highly used in the following applications such as aerospace, automobiles, marine, architecture etc., has attracted extensive attention in the past decades. A numerical and experimental study was carried out to identify the ultimate strength and failure modes of Bonded-single lap joints, Riveted-single lap joints and Hybrid-single lap joints at two different layers (3&4 Layer). In our project work, the effect of bonded, riveted, hybrid lap joints at different layer is analyzed in ANSYS and compared with the experimental test. ANSYA FEA tool has been util

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26

Smith, Mark, and Parsaoran Hutapea. "Surface Engineering for Adhesively Bonded Metal-Composite Joints." Journal of Ship Production 23, no. 02 (2007): 72–81. http://dx.doi.org/10.5957/jsp.2007.23.2.72.

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Recently, many nations along with private shipbuilders have begun developing large maritime vessels using composite materials structurally. Concurrently, the US Navy has a need for research on bonded metal-composite joints. For these reasons, a literature review was conducted to establish a fundamental knowledge base of adhesive bonding and failure theories along with surface cleaning and engineering processes that would be valuable for metal-composite joint designs. It is believed that by understanding bonding and failure fundamentals, optimal surface characteristics can be targeted. Furtherm

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27

Wang, Di, Liyuan Qu, Tianyuanye Wang, et al. "Study on Effects of Geometric Parameters on Tensile Strength of Hybrid Bonded-Rived Joint of Fiber Reinforced Polymer Plates." Journal of Physics: Conference Series 2566, no. 1 (2023): 012039. http://dx.doi.org/10.1088/1742-6596/2566/1/012039.

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Abstract Hybrid bonded-rived joint combines bonding and riveting and has become one of the most important connection forms in composite materials. This paper investigates and analyzes the influence of geometric parameters of CFRP hybrid bonded-rived joints on load-bearing strength. The finite element method is used to analyze the strength of the hybrid bonded/riveted joint between carbon fiber composite and metal under tensile load. The different ratios of the hybrid joint’s e/D, w/D, and w/e are analyzed. It is shown that e/D and w/D significantly impact damage loads and failure mode of the h

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28

Roy, A., J. L. Gacougnolle, J. Petit, and D. Gamby. "Fatigue Damage of Composite/Composite Adhesively Bonded Joints." Advanced Composites Letters 2, no. 4 (1993): 096369359300200. http://dx.doi.org/10.1177/096369359300200402.

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In this experimental study, the fatigue damage of glass-polyester composite/composite adhesively bonded joints is investigated. The study shows that the damage consists of a main crack appearing in a stress concentration zone in the adherends which then grows in the laminate first layer in a mixed mode propagation stage to the final stage leading to the ultimate failure.

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29

Ashcroft, Ian A., S. Erpolat, and J. Tyrer. "Damage Assessment in Bonded Composite Joints." Key Engineering Materials 245-246 (July 2003): 501–8. http://dx.doi.org/10.4028/www.scientific.net/kem.245-246.501.

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30

Parashar, Avinash, and Pierre Mertiny. "Adhesively bonded composite tubular joints: Review." International Journal of Adhesion and Adhesives 38 (October 2012): 58–68. http://dx.doi.org/10.1016/j.ijadhadh.2012.05.004.

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31

Sadık, Ali, and Filiz Karabudak. "Strength Analysis in Bonded, Bolted and Bolted-Bonded Joints, Single Lap Joints, Metal/Composite Plates." Applied Sciences 13, no. 18 (2023): 10476. http://dx.doi.org/10.3390/app131810476.

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Today, especially in many fields that require structural durability, such as the aerospace and automotive industries, there has been a need to use different bonding techniques separately or together in order to use materials together with different mechanical properties. In this study, stress and damage analysis of single lap joints, bonding and bolt-bonding metal/composite joints under tensile loads were performed. The nine kinds of single lap joint models in different combinations (bonded, bolted and bolt-bonded) were prepared by using acrylic adhesive (Acrytron 1E1) and 100-25-3 mm in size;

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32

Luo, Haibo, Qian Wang, Yanchu Yang, et al. "Axial Tensile Adhesively Bonded Performance of Carbon Fiber Composite Tubes Under Room-Temperature and Low-Temperature Circulation." Materials 18, no. 5 (2025): 1124. https://doi.org/10.3390/ma18051124.

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This study investigated the axial tensile performance of adhesively bonded T700/C204 carbon fiber composite and TC4 titanium alloy tubular single-lap joints under three distinct temperature conditions: room temperature, low temperature (−65 °C), and room–low–room-temperature cycling. Two configurations of adhesively bonded joints—composite–composite and composite–titanium—were tested. Specimens were designed to evaluate the influence of spew-fillet and perfect lap configurations on uniaxial tensile bonding strength across varying temperature environments. Analysis of the final failure morpholo

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Kim, Won Seok, and Jung Ju Lee. "Fracture Mechanics Characterization of Composite/Metal Interfaces of Bonded Joints." Key Engineering Materials 334-335 (March 2007): 361–64. http://dx.doi.org/10.4028/www.scientific.net/kem.334-335.361.

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Adhesive bonding between different materials has been widely used for a large variety of applications, such as in the aircraft, automotive, and many other civil engineering structures. Adhesive-bonded joints as load bearing components have the potential to save significant weight and cost over conventional riveted or bolted joints. For the last ten years a major problem in adhesive technology has been the difficulty in predicting the accurate load bearing capacity of a joint. This difficulty comes from the fact that the stress distribution in the adhesive joint is very complex and singular str

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34

K. Susheela, Prof P. Ramesh Babu. "Failure Analysis of Hybrid FREP Composites Laminated Bonded Tubular Lap Joints." Tuijin Jishu/Journal of Propulsion Technology 44, no. 3 (2023): 3962–68. http://dx.doi.org/10.52783/tjjpt.v44.i3.2164.

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Fibre-reinforced polymer composites have found extensive applications in the oil, gas industries. The use of interlayer Hybrid composite pipes are used in several engineering applications is increasing due to their superior properties such as high specific strength, high chemical resistance and resistance to UV rays .Hybrid composite adherends lap joints need to be explored to develop a cost-effective combination of materials to address the certain complex behavior due to hybridization . It is essential to understand the mechanical behavior of Hybrid Tubular Lap Joints (HTLJ) to provide design

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35

Chen, Boyan, Xianfen Li, Hanlin Cui, et al. "Investigation of tungsten/MA956 steel diffusion bonding with an Nb/Ni composite interlayer." International Journal of Modern Physics B 34, no. 12 (2020): 2050123. http://dx.doi.org/10.1142/s0217979220501234.

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Diffusion bonding is an effective method for joining dissimilar materials. In this study, dissimilar metals of MA956 steel and tungsten (W) were diffusion bonded with Ni/Nb composite interlayer. The experiments were carried out at [Formula: see text], 20 MPa for 20 min in vacuum by spark plasma sintering (SPS) technique. The microstructure and mechanical properties of the bonded joints were evaluated. SEM images and the results of elementary composition indicate that no intermetallics formed at Ni/MA956 steel and Nb/W interfaces, but [Formula: see text] and [Formula: see text] formed at the Nb

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36

USLU UYSAL, Mine. "The Effect of Nano Graphene Reinforcement on Pin and Adhesively Bonded Sandwich Composite Structures." Eurasia Proceedings of Science Technology Engineering and Mathematics 22 (August 30, 2023): 227–36. http://dx.doi.org/10.55549/epstem.1350621.

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The subject of joining composite parts in important issue in a wide range of engineering applications. Currently mechanically-fastened and adhesively bonded joints are the two established and accepted techniques of joining used in aerospace industry for assembling composite structures. More effective adhesively bonded joints can be achieved by increasing the chemical properties of the adhesive. In this paper, nano graphene particles were added adhesive in various proportions (0.5%wt., 1%wt. and 1.5%wt.) to increase the mechanical strength of the pin and adhesively bonded (hybrid, bolted/bonded

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37

Lis, Adrian, Hiroaki Tatsumi, Tomoki Matsuda, Tomokazu Sano, Yoshihiro Kashiba, and Akio Hirose. "Novel solder-mesh interconnection design for power module applications." Additional Conferences (Device Packaging, HiTEC, HiTEN, and CICMT) 2018, HiTEC (2018): 000057–62. http://dx.doi.org/10.4071/2380-4491-2018-hiten-000057.

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Abstract This study introduces a novel concept that uses composite structures of thin metallic meshes and Sn3.0Ag0.5Cu (SAC305) solder alloys to interconnect semiconductor chips to DBC substrates. The feasibility was proven by bonding Cu-to-Cu substrates. The averaged shear strength was measured as 44.1, 44.7 and 51.4 MPa for samples bonded with SAC305 (reference), Ni mesh/SAC305 and Cu mesh/SAC305 composites, respectively. The solder-mesh joints revealed a specific fracture behavior where crack propagation occurred partly within the solder and partly at the solder-mesh interface. Microstructu

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Fu, Maoqing, Jiapeng Chen, Ben Wang, and Biao Wang. "An Efficient Strength Evaluation Method Based on Shell-Fastener Model for Large Hybrid Joint Structures of C/SiC Composites." Materials 17, no. 23 (2024): 6008. https://doi.org/10.3390/ma17236008.

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C/SiC composites are widely used in aerospace thermal structures. Due to the high manufacturing complexity and cost of C/SiC composites, numerous hybrid joints are required to replace large and complex components. The intricate contact behavior within these hybrid joints reduces the computational efficiency of damage analysis methods based on solid models, limiting their effectiveness in large-scale structural design. According to the structure characteristic, a fractal contact stiffness model considering bonded behaviors is established in this paper. By introducing this model, it is proved th

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Lamanna, Giuseppe, Raffaele Sepe, and A. Pozzi. "Tensile Testing of Hybrid Composite Joints." Applied Mechanics and Materials 575 (June 2014): 452–56. http://dx.doi.org/10.4028/www.scientific.net/amm.575.452.

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In the present paper, results of experimental tests carried out on hybrid (bonded/bolted) and adhesive composite single-lap joints are showed. The laminate adherends were made by unidirectional carbon fiber/epoxy with symmetric stacking sequence. In particular, the tests were carried out to evaluate strength and failure mode of the different joints. These joints were subjected to quasi-static tensile displacement and tests were conducted using a universal testing machine. The maximum tension load that the specimen can bear is determined and the failure process is correlated to the lay-up of th

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Pitta, Roure, Crespo, and Rojas. "An Experimental and Numerical Study of Repairs on Composite Substrates with Composite and Aluminum Doublers Using Riveted, Bonded, and Hybrid Joints." Materials 12, no. 18 (2019): 2978. http://dx.doi.org/10.3390/ma12182978.

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In this work, experimental and numerical analyses of repairs on carbon fiber reinforced epoxy (CFRE) substrates, with CFRE and aluminum alloy doublers typical of aircraft structures, are presented. The substrates have a bridge gap of 12.7 mm (simulated crack), repaired with twin doublers joined with riveted, adhesive bonded, and hybrid joints. The performance of the repairs using different doubler materials and joining techniques are compared under static loading. The experimental results show that riveted joints have the lowest strength, while adhesive bonded joints have the highest strength,

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USLU UYSAL, Mine. "Investigation of Design Parameters in Tensile Loads of the Diamond Joints in Composite Structures with a Finite Element Approach." Eurasia Proceedings of Science Technology Engineering and Mathematics 22 (August 30, 2023): 353–61. http://dx.doi.org/10.55549/epstem.1351007.

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Adhesively bonded joining in composite structures is carried out using mechanical or adhesive techniques with commonly single or double lap. In laminated structure elements joined in this way, damage generally occurs at the upper layer. That is loading capacity goes down due to the fact that the axial width goes up. In this paper, mechanical joints with joint lock in the shape of diamond are offered to replace adhesively bonded butt joints. E-glass/vinyl ester composite laminates was used as the plate material in the system, the diamond material in the middle was composite, aluminum and steel

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Nečasová, Barbora, Pavel Liška, and Jiří Šlanhof. "Test of Adhesion and Shear Strength of Polyurethane Adhesives to Cement-Bonded Particleboard." Advanced Materials Research 1100 (April 2015): 185–88. http://dx.doi.org/10.4028/www.scientific.net/amr.1100.185.

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This research case was carried out to examine the possibility of usage of cement-bonded composite particleboards as a sheathing of a vented façade system with bonded joints. The potential of bonded joints in combination with composite cladding material was studied and described in more detail as well as verified through experimental measurements. For the purpose of tests spruce timber profiles were chosen for the load bearing substructure. Three types of industrial adhesives intended for structural bonding were selected. The article is focused on the preparation as well as on the subsequent e

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Carboni, M., and A. Bernasconi. "Acoustic emission-based monitoring of fatigue damage in CFRP-CFRP adhesively bonded joints." Insight - Non-Destructive Testing and Condition Monitoring 64, no. 7 (2022): 393–97. http://dx.doi.org/10.1784/insi.2022.64.7.393.

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Adhesively bonded joints are being increasingly applied in modern structures. However, manufacturing defects and particularly harsh operative conditions may cause local debonding and catastrophic failures. Structural health monitoring (SHM) and non-destructive testing (NDT) procedures are then needed to evaluate the in-service structural integrity of adhesively bonded joints. In this research, an adhesively bonded single-lap joint, both adherends of which are manufactured using a carbon fibre-reinforced polymer (CFRP) composite, is subjected to constant amplitude fatigue loading. During such a

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Ritter, George W., David R. Speth, and Yu Ping Yang. "Qualifications of Adhesives for Marine Composite-to-Steel Bonded Applications." Journal of Ship Production 25, no. 04 (2009): 198–205. http://dx.doi.org/10.5957/jsp.2009.25.4.198.

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This paper describes a straightforward method for the design and certification of adhesively bonded composite to steel joints for the marine industry. Normally, certification is based on documented service at sea. Since these joints have not been previously deployed at sea, no data on their performance exist. Using an integrated combination of mechanical property evaluation and finite element modeling, the load- bearing capacity of a joint can be compared with the anticipated seaway loads. Calculated factors of safety for the sandwich design used here show that the joint has adequate strength

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Ergun, Emin, and Ismail Gökkaya. "The Effect of the Boundary Conditions on the Impact Behaviors of Stitched Composite Lap Joints." Advanced Composites Letters 25, no. 1 (2016): 096369351602500. http://dx.doi.org/10.1177/096369351602500101.

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In this study, transverse impact behaviors of stitch adhesively bonded composite lap joints having three different overlap lengths (20, 40 and 60 mm) at different energy levels are investigated. The effects of the boundary conditions (clamped-clamped and clamped-free) and three different span lengths (40, 60 and 80 mm) have been determined. The impacts energies are varied in a range from 5 J to 20 J. Vacuum assisted resin infusion method (VARIM) is used to manufacture composite plates. It is shown that the boundary conditions and span lengths affect considerably the impact responses of the sti

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Romilly, D. P., and R. J. Clark. "Elastic analysis of hybrid bonded joints and bonded composite repairs." Composite Structures 82, no. 4 (2008): 563–76. http://dx.doi.org/10.1016/j.compstruct.2007.02.007.

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Akrami, Roya, Shahwaiz Anjum, Sakineh Fotouhi, Joel Boaretto, Felipe Vannucchi de Camargo, and Mohamad Fotouhi. "Investigating the Effect of Interface Morphology in Adhesively Bonded Composite Wavy-Lap Joints." Journal of Composites Science 5, no. 1 (2021): 32. http://dx.doi.org/10.3390/jcs5010032.

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Joints and interfaces are one of the key aspects of the design and production of composite structures. This paper investigates the effect of adhesive–adherend interface morphology on the mechanical behavior of wavy-lap joints with the aim to improve the mechanical performance. Intentional deviation from a flat joint plane was introduced in different bond angles (0°, 60°, 90° and 120°) and the joints were subjected to a quasi-static tensile load. Comparisons were made regarding the mechanical behavior of the conventional flat joint and the wavy joints. The visible failure modes that occurred wi

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Farrow, I. R., K. Potter, A. Fisher, and M. Kelly. "Impact of Adhesively Bonded Composite Joints with Edge Effect." Advanced Composites Letters 9, no. 6 (2000): 096369350000900. http://dx.doi.org/10.1177/096369350000900603.

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A pilot project has been carried out to investigate the effect of impact on single-lap bonded composite joints based on AS4-8552 laminates and Cybond BR4535A adhesive. Low velocity impacts at an energy level sufficient to cause barely visible impact damage, were conducted on single lap joint specimens at different joint positions. Impact caused delaminations in the upper and lower laminates and localised through-thickness cracking in the adhesive. Residual tensile joint strengths of the impacted joint specimens with near-edge damage were reduced to approximately 50% of the un-impacted value. F

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Bhudolia, Somen K., Goram Gohel, Kah Fai Leong, and Robert J. Barsotti. "Investigation on Ultrasonic Welding Attributes of Novel Carbon/Elium® Composites." Materials 13, no. 5 (2020): 1117. http://dx.doi.org/10.3390/ma13051117.

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Joining large and complex polymer–matrix composite structures is becoming increasingly important in industries such as automobiles, aerospace, sports, wind turbines, and others. Ultrasonic welding is an ultra-fast joining process and also provides excellent joint quality as a cost-effective alternative to other joining processes. This research aims at investigating the welding characteristics of novel methyl methacrylate Elium®, a liquid thermoplastic resin. Elium® is the first of its kind of thermoplastic resin, which is curable at room temperature and is suitable for mass production processe

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Prabhune, Shantanu C., and Ramesh Talreja. "Assessment of adhesively bonded joints subjected to surface damage by paint removal." Aircraft Engineering and Aerospace Technology 79, no. 4 (2007): 360–74. http://dx.doi.org/10.1108/00022660710758231.

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PurposeTo provide a basis for making assessment of the safety of adhesively bonded joints after they have been de‐painted by a dry abrasive method or a wet chemical method.Design/methodology/approachStress analysis by a finite element method has been conducted for metal/composite and composite/composite joints in a single lap configuration. The effects of degradation of composite and adhesive, separately or combined, on the stresses in the adhesive layer bonding the two components are studied. Effects of wet and dry conditions of de‐painting are included in the study. It is assumed that in the

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