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Artykuły w czasopismach na temat „Interfacial Bond Behavior”

Autor: Grafiati
Data publikacji: 7 czerwca 2025
Data aktualizacji: 2 sierpnia 2025

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1

Zheng, Shan Suo, Lei Li, Guo Zhuan Deng, Shun Li Che, and Wei Zhao. "Theoretical Model for Interfacial Nonlinear Bond Softening Behavior between Embedded Steel and HSHPC." Key Engineering Materials 348-349 (September 2007): 845–48. http://dx.doi.org/10.4028/www.scientific.net/kem.348-349.845.

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The latest experimental study on steel reinforced high strength and high performance concrete (SRHSHPC) specimens shows that there exists interfacial bond softening phenomenon between embedded steel and high strength and high performance concrete (HSHPC), and it makes the shear transfer capacity between shaped steel and HSHPC be progressively reduced. To predict failure load in design, a theoretical model for interfacial bond softening behavior is required. As interfacial bond softening behavior is a nonlinear process involving material properties, it can be analyzed once the relation of inter
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2

Lei, Zhen, Hui Ma, Yumin Luo, Enmao Wang, Haiyan Huang, and Li Zhang. "Interfacial Bond Behavior of Clay Brick Masonry Strengthened with CFRP." Buildings 15, no. 5 (2025): 809. https://doi.org/10.3390/buildings15050809.

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This study investigates the interfacial bond behavior of clay brick masonry strengthened with carbon fiber-reinforced polymer (CFRP) through single-side shear tests. Two specimen types (single bricks and masonry prisms) were tested under varying parameters, including bond length, bond width, mortar joints, and end anchorage. Experimental results revealed cohesive failure within the masonry substrate as the dominant failure mode. Mortar joints reduced bond strength by 12.1–24.6% and disrupted stress distribution, leading to discontinuous load–displacement curves and multiple strain peaks in CFR
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3

Ponmalar, S. "Bond behavior of self compacting concrete." Selected Scientific Papers - Journal of Civil Engineering 13, s1 (2018): 95–105. http://dx.doi.org/10.1515/sspjce-2018-0009.

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Abstract The success of an optimum design lies in the effective load transfer done by the bond forces at the steel-concrete interface. Self Compacting Concrete, is a new innovative concrete capable of filling intrinsic reinforcement and gets compacted by itself, without the need of external mechanical vibration. For this reason, it is replacing the conventional vibrated concrete in the construction industry. The present paper outlays the materials and methods adopted for attaining the self compacting concrete and describes about the bond behavior of this concrete. The bond stress-slip curve is
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4

Ascione, F., M. Lamberti, A. Napoli, A. G. Razaqpur, and R. Realfonzo. "Modeling SRP-concrete interfacial bond behavior and strength." Engineering Structures 187 (May 2019): 220–30. http://dx.doi.org/10.1016/j.engstruct.2019.02.050.

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5

Cai, Gehao, Bing Sun, Sheng Zeng, Peng Yang, and Jie Zhang. "Investigation on the bond-slip behavior of recycled aggregate concrete-filled steel tube with studs." PLOS One 20, no. 7 (2025): e0325279. https://doi.org/10.1371/journal.pone.0325279.

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This study investigates the influence of built-in studs on the bond behavior in recycled aggregate concrete-filled steel tube (RACFST) composite structures through push-out experiments. The effects of stud number, position, and rows on RACFST bond strength and steel tube surface strain are systematically analyzed. Furthermore, the bond-slip behavior evolution mechanism is examined, and a constitutive equation is established. A novel interfacial modeling approach is developed via secondary development of ABAQUS software to comprehensively simulate RACFST interfacial bond-slip behavior. The resu
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6

Cheng, Shanshan. "Mechanical Behavior of Fiber-to-concrete Interface in Textile Reinforced Concrete: Theoretical Model." Journal of Civil Engineering and Construction 8, no. 2 (2019): 70–78. http://dx.doi.org/10.32732/jcec.2019.8.2.70.

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This paper presents a theoretical solution of a reinforcement-to-concrete interface model under pull-push loading. Expressions for the interfacial shear stress distribution and load-displacement history are derived for different loading stages. The full debonding propagation process is discussed in detail and the analytical solutions are verified by comparing with existing theoretical models. Results of the analytical solution are presented to illustrate how the bond length and local bond-slip law affect the interfacial bond behavior. While the case study in this paper is on textile reinforced
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7

Lee, Jung Yoon. "Surface Interaction Studies on Glass Fiber Reinforced Polymer Bars." Key Engineering Materials 345-346 (August 2007): 1217–20. http://dx.doi.org/10.4028/www.scientific.net/kem.345-346.1217.

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The use of fiber reinforced polymer (FRP) bars has been gaining increasing popularity in the civil engineering community due to their favorable properties such as high-strength-to-weight ratio and good corrosion resistance. In order for concrete to be FRP reinforced, there must be interfacial bond between FRP bars and concrete. The interfacial bond behavior of FRP bars to concrete is expected to vary from that of conventional steel bars, since various key parameters that influence bond performance are different. This paper presents the results of an experimental and analytical study on the int
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8

Zhang, Boshan, Jiangjiang Yu, Weizhen Chen, Hang Liu, Heng Li, and Hong Guo. "Experimental Study on Bond Performance of NC-UHPC Interfaces with Different Roughness and Substrate Strength." Materials 16, no. 7 (2023): 2708. http://dx.doi.org/10.3390/ma16072708.

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This paper investigates the bond failure performance between precast normal concrete (NC) and cast-in situ ultra-high performance concrete (UHPC), emphasizing the influence of interfacial roughness. The interfacial bonding behavior under tension and under shear was investigated based on 72 groups of pull-off tests and 36 groups of bi-shear tests, considering six different interface treatment methods and two different NC strength levels. The results demonstrate that certain interfacial roughness is essential to gain a reliable bond connection between NC and UHPC. Its enhancement on the tensile
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9

Guo, Qingyong, Huijian Zhao, Lei Chen, Jize Mao, and Wensong Zhang. "Analysis on Interfacial Performance of CFRPConcrete with Different Thickness of Adhesive Layer and CFRP Plate." MATEC Web of Conferences 142 (2018): 02001. http://dx.doi.org/10.1051/matecconf/201814202001.

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The bond behavior of CFRP-concrete interface is the analysis foundation for concrete structures with external strengthening CFRP. In the paper, the influences of the thickness of CFRP plate and adhesive layer on interfacial adhesive properties are investigated through the finite element program. The influence rules of the thickness on the interfacial ultimate bearing capacity and the effective bond length are performed. The results show that the thickness of adhesive layer and CFRP plate has a significant effect on the interfacial performance of CFRP-concrete.
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10

Zhang, Xiaoning, Jianwen Hao, Wei Hou, et al. "Debonding Analysis of FRP-Strengthened Concrete Beam in High-Temperature Environment: An Enhanced Understanding on Sustainable Structure." Buildings 14, no. 12 (2024): 4079. https://doi.org/10.3390/buildings14124079.

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FRP (fiber-reinforced composite) is generally regarded as the repair and enhancement material for existing concrete structures in extreme service environments such as high temperatures or fire exposure. In order to reveal the effect of high temperatures (i.e., thermal load) on the interfacial debonding behavior of a FRP-strengthened concrete beam, the novel closed-form analytical model was established and validated while considering the interfacial bond-slip constitutive. Based on the analytical model, solutions to the distributions of interfacial slip, interfacial shear stress, and debonding
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11

Yuan, Yujie, Ming Li, Abduqader S. S. Alquraishi, and Hongye Sun. "Experimental Study on the Novel Interface Bond Behavior between Fiber-Reinforced Concrete and Common Concrete through 3D-DIC." Advances in Materials Science and Engineering 2021 (October 18, 2021): 1–21. http://dx.doi.org/10.1155/2021/9090348.

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A novel method was proposed to improve the bond behavior of new-to-old concrete interface, which was beneficial to introduce the fiber-reinforced concrete only at the old concrete interface. This study investigated the effect of the fiber addition, strength grade of new concrete, interfacial angle, and surface treatment types on the bond behavior in terms of the new-to-old concrete through the axial tensile tests. The three-dimensional digital image correlation technique (3D-DIC) and scanning electron microscope were adopted to evaluate the variation of specimen surface strain distributions an
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12

Elsayed, Mohamed, Moncef L. Nehdi, and Faouzi Ghrib. "Predicting Behavior of Grouted Dowel Connections Using Interfacial Cohesive Elements." Applied Sciences 9, no. 11 (2019): 2344. http://dx.doi.org/10.3390/app9112344.

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Grouted dowel connections are used extensively in precast load bearing walls owing to their simple construction and forgiving tolerances. Current design guidelines do not adequately consider the composite nature of such connections. Moreover, robust numerical models for these connections are yet to be developed. Therefore, a finite element model of grouted dowel connections was developed in this paper. The model adopts a phenomenological bond–slip constitutive law to predict the load versus slip response of grouted bars and considers tensile yielding of the reinforcement. The local bond–slip l
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13

Dalalbashi, Ali, Stefano de Santis, Bahaman Ghiassi, and Daniel V. Oliveira. "Cyclic Load Effects on the Bond Behavior of Textile Reinforced Mortar (TRM) Composites." Key Engineering Materials 916 (April 7, 2022): 74–81. http://dx.doi.org/10.4028/p-5r7onn.

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There has been considerable attention drawn to the application of textile reinforced mortar (TRM) composites for strengthening existing masonry and concrete structures. These composites are made from textile fibers embedded in an inorganic matrix and act as externally bonded reinforcement (EBR). Therefore, a careful observation must be made of the bond of the mortar to the substrate and the bond of the mortar to the textile. Despite numerous studies of the bond behavior of TRM composites conducted in recent years, no constitutive bond behavior law under cyclic loading has been determined. In m
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14

Alkhafaji, Amir, Daniel Camas, and Hayder Al-Asadi. "Effect of Inert Gas Cover on the Static and Fatigue Behavior of AA6061-T6 Aluminum Alloy Friction Stir Spot Lap-Shear Welds." Materials 18, no. 2 (2025): 256. https://doi.org/10.3390/ma18020256.

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Friction stir spot welding (FSSW) technology relies on the generation of frictional heat during the rotation of the welding tool in contact with the workpiece as well as the stirring effect of the tool pin to produce solid-state spot joints, especially for lightweight materials. Although FSSW offers significant advantages over traditional fusion welding, the oxidation of the interfacial bond line remains one of the most challenging issues, affecting the quality and strength of the joint under both static and cyclic loading conditions. In this experimental study, inert argon gas was employed to
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15

Ren, Fei Fan, Zhen Jun Yang, and Chao Xu. "Numerical Simulation of the Interfacial Behaviour of Grouted Rockbolts in Tunnel Support Based on a Tri-Linear Bond-Slip Model." Advanced Materials Research 446-449 (January 2012): 1769–74. http://dx.doi.org/10.4028/www.scientific.net/amr.446-449.1769.

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Grouted rockbolts are widely used in tunneling excavation. However, the rockbolt design is still basically empirical, the mechanical behavior of grouted rockbolts, especially the interfacial behavior, has never been studied systematically. First of all, a tri-linear bond slip model is proposed for modeling the rockbolt interfacial behavior. Then analytical solutions to grouted rockbolt are presented on the basis of a tri-linear bond-slip model. Finally, a numerical model using Abaqus program to simulate the tunnel rockbolt is proposed. This model uses cohesive elements to simulate debonding al
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16

Wei, Jian Qiang, and Ming Li Cao. "Effect and Microscopic Mechanisms of Slag Micropowder on the Reinforcement of CaCO3 Whisker in Cement Composites." Materials Science Forum 675-677 (February 2011): 529–35. http://dx.doi.org/10.4028/www.scientific.net/msf.675-677.529.

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Whisker pull-out, which indicates that the interfacial bond strength of whiskers/cement is not high enough, is dominant in the microstructure of whisker-reinforced cement fractured surfaces. The weak interfacial bond of whiskers in cement matrix severely restrained the further improvement of properties. Superfine slag powder was used to modify and improve the strength and bond behavior of whisker-reinforced cement. Crystal structures, microcosmic appearances and characterizations of Slag Micro powder and the composite were studied by X-ray diffraction (XRD), and scan electron microscope (SEM/E
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17

Zhao, Jiuye, Yuanhang Zhang, Dapeng Xue, Chunyi Cui, Wenzheng Li, and Fang Liu. "Nanoscale Insights into the Mechanical Behavior of Interfacial Composite Structures between Calcium Silicate Hydrate/Calcium Hydroxide and Silica." Nanomaterials 13, no. 23 (2023): 3059. http://dx.doi.org/10.3390/nano13233059.

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The failure of the interfacial transition zone has been identified as the primary cause of damage and deterioration in cement-based materials. To further understand the interfacial failure mechanism, interfacial composite structures between the main hydration products of ordinary Portland cement (OPC), calcium silicate hydrate (CSH) and calcium hydroxide (Ca(OH)2), and silica (SiO2) were constructed while considering their anisotropy. Afterwards, uniaxial tensile tests were conducted using molecular dynamics (MD) simulations. Our results showed that the interfacial zones (IZs) of interfacial c
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18

Ghoddousi, P., R. Ahmadi, and M. Sharifi. "Fiber pullout model for aligned hooked-end steel fiber." Canadian Journal of Civil Engineering 37, no. 9 (2010): 1179–88. http://dx.doi.org/10.1139/l10-053.

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The main objective of this study is to derive an analytical model for the pullout behavior of hooked-end steel fiber. The pullout behavior of hooked-end steel fiber comprises a component due to interfacial bond stress at the fiber–matrix interface and a component due to mechanical anchorage at the hook end of the fiber. To study the first component, the effects of hooks on the distributions of the force and stresses along the fiber length are analyzed. Then these results are used, with the concept of bond shear stress versus slip relation between fiber and matrix, to obtain a force component d
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19

Park, Hyunhang, and Sung Hoon Lee. "Review on Interfacial Bonding Mechanism of Functional Polymer Coating on Glass in Atomistic Modeling Perspective." Polymers 13, no. 14 (2021): 2244. http://dx.doi.org/10.3390/polym13142244.

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Atomistic modeling methods are successfully applied to understand interfacial interaction in nanoscale size and analyze adhesion mechanism in the organic–inorganic interface. In this paper, we review recent representative atomistic simulation works, focusing on the interfacial bonding, adhesion strength, and failure behavior between polymer film and silicate glass. The simulation works are described under two categories, namely non-bonded and bonded interaction. In the works for non-bonded interaction, three main interactions, namely van der Waals interaction, polar interaction, and hydrogen b
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20

Huang, Hua, Boquan Liu, Kailin Xi, and Tao Wu. "Interfacial tensile bond behavior of permeable polymer mortar to concrete." Construction and Building Materials 121 (September 2016): 210–21. http://dx.doi.org/10.1016/j.conbuildmat.2016.05.149.

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Zhang, Liwen, Shaozhi Song, Jing Li, and Lijuan Cheng. "Interfacial bond behavior between GFRP bars and magnesium phosphate cement." Construction and Building Materials 491 (September 2025): 142691. https://doi.org/10.1016/j.conbuildmat.2025.142691.

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Zhu, Ji Hua, Miao Chang Zhu, Liang Liang Wei, Wei Wen Li, and Feng Xing. "Bond Behavior of Aluminum Laminates in NSM Technique." Applied Mechanics and Materials 501-504 (January 2014): 1053–60. http://dx.doi.org/10.4028/www.scientific.net/amm.501-504.1053.

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An attempt was made to replace the commonly used Fiber Reinforced Polymer (FRP) with aluminium alloy in NSM technique. This paper presents experimental investigation of interfacial bond behavior between NSM aluminium laminates and concrete structures. Aluminum laminates were mounted into premade slit of concrete with epoxy resin. Test results show that both maximum applied force and ductility of NSM reinforced specimens can be effectively improved by increasing bond length and width of aluminium laminates, whilst almost no change was found in average bond strength at the same time. Besides, th
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23

Zhang, Zihua, Yunyi Xiao, Ping Zhuge, and Xiaocun Zhang. "Experimental Investigation on the Interfacial Debonding between FRP Sheet and Concrete under Medium Strain Rate." International Journal of Polymer Science 2019 (December 18, 2019): 1–13. http://dx.doi.org/10.1155/2019/1973453.

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Fiber-reinforced polymer (FRP) composites have been widely used to strengthen the existing reinforced concrete (RC) structures to against static and dynamic loads. During the past decades, the interfacial bond behavior between FRP and the concrete substrate under static load has been systematically investigated by experimental and numerical approaches. In contrast, the interfacial bond performance under dynamic loads, e.g., impact and explosive loading, is still far away from well known, especially taking the strain rate effect into account. In this contribution, the single-lap shear test is c
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Nemati Giv, Ali, Qiuni Fu, Libo Yan, and Bohumil Kasal. "Interfacial bond behavior of adhesively-bonded timber/cast in situ concrete (wet bond process)." Acta Polytechnica CTU Proceedings 33 (March 3, 2022): 398–403. http://dx.doi.org/10.14311/app.2022.33.0398.

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The goal of this research was to study the strength of the interfacial bond between cast-in-situ concrete and engineered timber (cross-laminated timber (CLT)). Double lap specimens were manufactured using fresh concrete that was cast between two CLT blocks. Polyurethane and epoxy adhesives were used to bond the wet concrete with the CLT blocks. The shear strength of wet-bond specimens was compared with the specimens prepared under dry conditions (prefabricated concrete cube glued to CLT blocks). The statistical analysis (T-test) of bond strength showed that the shear strengths of wet- and dry-
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25

Quan, Xiaolong, Tong Tong, Tao Li, et al. "Counterion-Mediated Assembly of Fluorocarbon–Hydrocarbon Surfactant Mixtures at the Air–Liquid Interface: A Molecular Dynamics Study." Molecules 30, no. 12 (2025): 2592. https://doi.org/10.3390/molecules30122592.

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This study employs molecular dynamics simulations to investigate counterion effects (Li+, Na+, K+) on the interfacial aggregation of mixed short-chain fluorocarbon, Perfluorohexanoic acid (PFHXA), and Sodium dodecyl sulfate (SDS) surfactants. Motivated by the need for greener surfactant alternatives and a fundamental understanding of molecular interactions governing their behavior, we demonstrate that counterion hydration radius critically modulates system organization. K+ ions induce superior monolayer condensation and interfacial performance compared to Li+ and Na+ counterparts, as evidenced
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Li, Anbang, Hao Wang, Han Li, Deliang Kong, and Shanhua Xu. "Estimation of Bond Strength and Effective Bond Length for the Double Strap Joint between Carbon Fiber Reinforced Polymer (CFRP) Plate and Corroded Steel Plate." Polymers 14, no. 15 (2022): 3069. http://dx.doi.org/10.3390/polym14153069.

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In this paper, we examine the development of the estimation models of bond strength and effective bond length for a double strap joint between carbon fiber reinforced polymer (CFRP) plate and corroded steel plate. The experimental study on the bond behavior between CFRP plate and corroded steel plate is summarized first and the analytical interfacial bond–slip model for CFRP plate externally bonded to corroded steel plate is proposed. Based on the theoretical stress analysis for the CFRP plate–corroded steel plate double-lap joint, the piecewise expressions of the interfacial shear stress and
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Margem, Jean Igor, Vinicius Alves Gomes, Frederico Muylaert Margem, Carolina Gomes Dias Ribeiro, Fabio de Oliveira Braga, and Sergio Neves Monteiro. "Pullout Tests Behavior of Polyester Matrix Reinforced with Malva Fiber." Materials Science Forum 869 (August 2016): 371–76. http://dx.doi.org/10.4028/www.scientific.net/msf.869.371.

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The interface between a composite matrix and the reinforcing fiber plays an important role in the efficiency by which an applied load is transmitted throughout the composite structure. The shear stress at the fiber/matrix interface can be associated with this load transference and, consequently, will affect the composite strength. In the present work, pullout tests were used to evaluate the interfacial shear stress of malva fiber in polyester matrix composites. A small critical length was found for the malva fiber embedded in polyester, which corresponds to a relatively weak fiber/matrix bond
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Ha, Na, Shen Yuan Fu, and Lian Guang Wang. "Research on Interfacial Bond Behavior of Prestressed CFRP Sheets Strengthened SRC Beams under Symmetry Concentrated Loads." Applied Mechanics and Materials 94-96 (September 2011): 1012–17. http://dx.doi.org/10.4028/www.scientific.net/amm.94-96.1012.

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The main form of interfacial bond stress between prestressed CFRP sheets and the beams of steel reinforced concrete(SRC) are interfacial shear and peel-off stress. The effective transfer of adhesive stress is the fundamental to ensure the structure bearing capacity improved after strengthened. According to the principle of minimum potential energy and combining with the mechanical behavior of prestressed CFRP sheets and the beams of SRC, the calculated formulas of interfacial shear and peel-off stress are deduced under symmetry concentrated loads. The influences of initial strain and the layer
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Habal, Ayyanna, and Dharamveer Singh. "Influence of Recycled Asphalt Pavement on Interfacial Energy and Bond Strength of Asphalt Binder for Different Types of Aggregates." Transportation Research Record: Journal of the Transportation Research Board 2672, no. 28 (2018): 154–66. http://dx.doi.org/10.1177/0361198118784377.

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The bond between aggregate and asphalt binder depends on many factors, such as chemistry of materials, nature of aggregates, and quality of asphalt binder. The present study evaluates the effects of recycled asphalt pavement (RAP) on the bonding behavior of asphalt binder for acidic (granite and quartzite) and basic (basalt and limestone) aggregates. AC30 binder was blended with different proportions of RAP binder (15%, 25%, and 40%). The interfacial energy and bond strength of 16 combinations (four asphalt binders × four aggregates) of aggregate-asphalt binder system were evaluated based on a
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Chen, Zongping, Jiyu Tang, Xingyu Zhou, Ji Zhou, and Jianjia Chen. "Interfacial Bond Behavior of High Strength Concrete Filled Steel Tube after Exposure to Elevated Temperatures and Cooled by Fire Hydrant." Materials 13, no. 1 (2019): 150. http://dx.doi.org/10.3390/ma13010150.

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For the engineering structure in case of fire, a fire hydrant is generally used for extinguishing the fire. This paper presents an experimental investigation on interfacial bond behavior of high-strength concrete-filled steel tube (HSCFST) after exposure to elevated temperatures and cooled by fire hydrant using the pull-out test of 22 specimens. According to the experimental study, the failure mechanism of HSCFST exposed to elevated temperatures and water-cooling (ETWC) was revealed, the influence of various parameters on the bond behavior was analyzed, and the calculation formula of the bond
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Sobczak, Natalia, Artur Kudyba, Rafal Nowak, Waldemar Radziwill, and Krystyna Pietrzak. "Factors affecting wettability and bond strength of solder joint couples." Pure and Applied Chemistry 79, no. 10 (2007): 1755–69. http://dx.doi.org/10.1351/pac200779101755.

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The paper discusses the scientific understanding of the role of interfacial phenomena in joining of dissimilar materials using liquid-phase-assisted processes. From the example of the Sn-alloy/Cu system, it is demonstrated that interaction in the liquid solder/substrate couples is accompanied by a number of complex interfacial reactions leading to significant changes in the structure and chemistry of interfaces (solder/substrate, solder/environment, substrate/environment) and remaining solder layer that finally influence the mechanical properties of solder joints. The experimental data on wett
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32

Zhang, Jian-jun, Wei Liang, and Hai-tao Li. "Effect of thickness of interfacial intermetallic compound layers on the interfacial bond strength and the uniaxial tensile behaviour of 5052 Al/AZ31B Mg/5052 Al clad sheets." RSC Advances 5, no. 127 (2015): 104954–59. http://dx.doi.org/10.1039/c5ra15357c.

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The different thickness of intermetallic compound (IMC) layers at interface influence the interfacial bond strength, and which would further affect the tensile behavior of 5052 Al/AZ31B Mg/5052 Al clad sheets fabricated by hot rolling.
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Wang, Xun, and Lijuan Cheng. "Degradation of Interfacial Bond for FRPs Near-Surface Mounted to Concrete Under Fatigue: An Analytical Approach." Fibers 13, no. 1 (2025): 9. https://doi.org/10.3390/fib13010009.

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In this study, an analytical model was developed for the local bond degradation behavior between a near-surface mounted (NSM) fiber-reinforced polymer (FRP) and concrete under fatigue loading. A trilinear local bond stress–slip relationship was adopted to characterize the fundamental bond behavior at the FRP-epoxy-concrete interface at different stages of elastic, softening and debonding. A series of post-fatigue direct pull-out tests (DPTs) of NSM FRP-bonded concrete blocks was conducted to provide the local bond degradation laws for the analytical model. The bond region was discretized into
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Allouzi, Rabab A., Hatem H. Almasaeid, Donia G. Salman, Raed M. Abendeh, and Hesham S. Rabayah. "Prediction of Bond-Slip Behavior of Circular/Squared Concrete-Filled Steel Tubes." Buildings 12, no. 4 (2022): 456. http://dx.doi.org/10.3390/buildings12040456.

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Numerous existing formulas predicted the ultimate interfacial bond strength in concrete-filled steel tubes (CFST) between steel tubes and concrete core without investigating the whole response under push-out load. In this research, four models are proposed to predict the interfacial behavior in CFST including the post-peak branch under the push-out loading test based on 157 circular specimens and 105 squared specimens from the literature. Two models (one for circular and one for squared CFST) are developed and calibrated using artificial neural network (ANN) and two models (one for circular an
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Peng, Cong, Deprizon Syamsunur, and Yi Huang. "A Review of Research on the Bond-Slip Behavior of Concrete-Filled Steel Tubes with Varying Confinement Interface Damage." E3S Web of Conferences 512 (2024): 02020. http://dx.doi.org/10.1051/e3sconf/202451202020.

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The structural safety of concrete-filled steel tubes primarily depends on the interfacial bonding between the steel tube and concrete, two heterogeneous materials. Simultaneously, varying confinement interfaces have diverse impacts on the bond-slip behavior of concrete-filled steel tubes, leading to a variety of damage and failure modes. This article reviews research on the performance of concrete-filled steel tubes, explores damage at different confinement interfaces, and collates findings on bond-slip behavior under various confinement interface conditions, aiming to provide a reference for
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36

Sujan, D., T. K. Piaw, and Dereje Engida Woldemichael. "Thermo-Mechanical Stress Analysis in Electronic Packaging with Continuous and Partial Bond Layer." Applied Mechanics and Materials 465-466 (December 2013): 50–54. http://dx.doi.org/10.4028/www.scientific.net/amm.465-466.50.

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Interfacial stress due to thermal mismatch in layered structure has been considered as one of the major causes of mechanical failure in electronic packaging. The mismatch due to the differences in coefficient of thermal expansion (CTE) of the materials in multi-layered structure may induce severe stress concentration to the electronic composites namely interfacial delamination and die cracking. Therefore, the studies and evaluation of interfacial stress in electronic packaging become significantly important for optimum design and failure prediction of the electronic devices. The thermal mismat
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Dai, Huijuan, Bo Wang, Jiawei Zhang, Junlei Zhang, and Kimitaka Uji. "Study of the Interfacial Bond Behavior between CFRP Grid–PCM Reinforcing Layer and Concrete via a Simplified Mechanical Model." Materials 14, no. 22 (2021): 7053. http://dx.doi.org/10.3390/ma14227053.

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This paper presents the results of pull-out tests conducted to investigate the interfacial bond behavior between a carbon-fiber-reinforced polymer (CFRP) grid–polymer cement mortar (PCM) reinforcing layer and existing concrete, and proposes a simplified mechanical model to further study the interface bond mechanism. Four specimens composed of a CFRP grid, PCM, and concrete were tested. The influence of the type of CFRP grid and the grid interval on the interface bond behavior was discussed. The failure patterns, maximum tensile loads, and CFRP grid strains were obtained. The change process of
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38

Dawlaty, Jahan M. "(Invited) Double Layer Structure, Electric Fields, and Making and Breaking of Lewis Bonds at an Electrochemical Interface." ECS Meeting Abstracts MA2024-02, no. 61 (2024): 4110. https://doi.org/10.1149/ma2024-02614110mtgabs.

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Understanding breaking and formation of Lewis bonds at an electrified interface is broadly relevant to a large range of phenomena, including electrocatalysis, electroadsorption, and sensing. The complexities of interfacial environments, including the interfacial electric fields and the electric double layer structure often impede their systematic understanding. One of the impediments is the lack of clear signatures for the formation and dissociation of such bonds. To address this challenge, we report tethering of well-defined Lewis bases on the surface to receive Lewis acid molecules from the
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Wang, Haifeng, Yicheng Jiang, and Ling Liu. "Meso-Mechanical Simulation of the Mechanical Behavior of Different Types of Steel Fibers Reinforced Concretes." Sustainability 14, no. 23 (2022): 15803. http://dx.doi.org/10.3390/su142315803.

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Introducing steel fibers into traditional concrete can improve its mechanical properties and crack resistance, but few studies have considered how the steel fiber shape and the bond-slip effect between fibers and matrix affect the mechanical behavior of concrete. This paper establishes a three-dimensional representative volume element (3D RVE) of steel fiber-reinforced concrete (SFRC) with random distribution, different shapes, and different interfacial strengths of steel fibers using Python, Abaqus and Hypermesh. Uniaxial tensile behaviors and failure modes of the SFRC are systematically simu
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Chen, Jiayao, Jing Li, Lirong Xu, Wei Hong, Yuzhao Yang, and Xudong Chen. "The Glass-Transition Temperature of Supported PMMA Thin Films with Hydrogen Bond/Plasmonic Interface." Polymers 11, no. 4 (2019): 601. http://dx.doi.org/10.3390/polym11040601.

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The interfacial effect is one of the significant factors in the glass-transition temperature (Tg) of the polymeric thin film system, competing against the free surface effect. Herein, the Tgs of poly (methyl methacrylate) (PMMA) films with different thicknesses and substrates are studied by fluorescence measurements, focusing on the influence of interfacial effects on the Tgs. The strong interaction between PMMA and quartz substrate leads to increased Tgs with the decreased thickness of the film. The plasmonic silver substrate causes enhanced fluorescence intensity near the interface, resultin
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Mizan, Mahmudul Hasan, and Koji Matsumoto. "Durability Enhancement Effect of Silica Fume on the Bond Behavior of Concrete–PCM Composites under Environmental Conditions." Polymers 15, no. 9 (2023): 2061. http://dx.doi.org/10.3390/polym15092061.

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The long-term performance of the concrete–polymer cement mortar (PCM) interface under environmental exposure is crucial to the safety of the PCM overlaying method as the environmental exposure of the repaired structures caused further degradation of the interface, leading to a significant reduction in intended service life. This study investigates the durability enhancement effect of silica fume of the concrete–PCM interface, considering an individual action of elevated temperature (e.g., 60 °C) [constant (short and moderate duration) and cyclic conditions] and moisture content [continuous imm
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Huang, Yanlu, Tianyu Wang, Linqing Liu, et al. "Thermomechanical Behavior and Experimental Study of Additive Manufactured Superalloy/Titanium Alloy Horizontal Multi-Material Structures." Metals 15, no. 4 (2025): 454. https://doi.org/10.3390/met15040454.

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In laser powder bed fusion (LPBF) forming multi-material structures, the thermal stress mismatch caused by the different thermophysical properties of different materials can cause interface cracking and delamination defects. An in-depth investigation of the complex interfacial thermomechanical behavior caused by it is of great significance for reducing stress concentration, suppressing defects, and enhancing interfacial bond strength. In this study, the effects of scanning strategy and interface shape on the temperature distribution, thermal cycling, and thermal stress distribution at the inte
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Al-Madani, Mohammed K., Mohammed A. Al-Osta, Shamsad Ahmad, Hammad R. Khalid, and Mohammed Al-Huri. "Interfacial bond behavior between ultra high performance concrete and normal concrete substrates." Construction and Building Materials 320 (February 2022): 126229. http://dx.doi.org/10.1016/j.conbuildmat.2021.126229.

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Zhang, Pu, Yi Hu, Yuyang Pang, et al. "Influence factors analysis of the interfacial bond behavior between GFRP plates, concrete." Structures 26 (August 2020): 79–91. http://dx.doi.org/10.1016/j.istruc.2020.04.005.

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Khalid, Hammad R., S. K. Ha, S. M. Park, G. M. Kim, and H. K. Lee. "Interfacial bond behavior of FRP fabrics bonded to fiber-reinforced geopolymer mortar." Composite Structures 134 (December 2015): 353–68. http://dx.doi.org/10.1016/j.compstruct.2015.08.070.

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Chiu, Hsing-Pang, S. M. Jeng, and J.-M. Yang. "Interface control and design for SiC fiber-reinforced titanium aluminide composites." Journal of Materials Research 8, no. 8 (1993): 2040–53. http://dx.doi.org/10.1557/jmr.1993.2040.

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The effectiveness of several coating systems which were used as a diffusion barrier for the SiC fiber-reinforced titanium aluminide composites was investigated. TaC, TiC, TiB2, B, C/graded TiB2, and Ag/Ta were applied to the SiC fiber via chemical vapor deposition and physical vapor deposition. The interfacial compatibility, interfacial stability, thermal residual stress, interfacial bond strength, and the transverse fracture behavior of the composites with coated fibers were characterized and determined. The results show that none of the above coating systems can satisfy the requirements for
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Zhao, Jing, Wen Bin Sun, Qiang Qiang Zhu, and Hong Bao Yong. "Experimental Study on the Bonding Behavior of GFRP-to-Brick Interface." Advanced Materials Research 919-921 (April 2014): 416–20. http://dx.doi.org/10.4028/www.scientific.net/amr.919-921.416.

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The performance of the interface between FRP and masonry is one of the key factors affecting the behavior of the strengthened structure. A challenge is to better understand the potential failure modes, which are generally directly related to the interfacial behavior between the FRP composite and the masonry in masonry walls. In this research, the experimental program was focused on the bond behavior of GFRP strips externally bonded (EB) to brick masonry.
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Xu, Wen-Tao, Zhu Ma, He-Gao Wu, and Chang-Zheng Shi. "Bearing Characteristics with Effect of Bond–Slip Behavior in Massive Ring-Type Reinforced Concrete Structures." Buildings 14, no. 5 (2024): 1332. http://dx.doi.org/10.3390/buildings14051332.

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The bond–slip behavior of the steel–concrete interface is critical in reinforced concrete (RC) structures since the bond action is the mechanism that ensures the two materials work in co-operation. However, there is little research considering the bond–slip behavior in massive ring-type reinforced concrete (MRRC) structure bearing analyses due to the complexity of modeling the interfacial behavior. Hence, the influence of the bond–slip behavior on the bearing characteristics of MRRC structures remains unclear. Steel-lined reinforced concrete penstock is such an MRRC structure, composed of stee
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Guo, Dong, Wan-Yang Gao, Dilum Fernando, and Jian-Guo Dai. "Effect of temperature variation on the plate-end debonding of FRP-strengthened beams: A theoretical study." Advances in Structural Engineering 25, no. 2 (2021): 290–305. http://dx.doi.org/10.1177/13694332211046342.

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Steel/concrete structures strengthened with externally bonded FRP plates may be subjected to significant temperature variations during their service time. Such temperature variation (i.e., thermal loading) may significantly influence the debonding mechanism in FRP-strengthened structures due to the thermal incompatibility between the FRP plate and the substrate as well as the temperature-induced bond degradation at the FRP-to-steel/concrete interface. However, limited information is available on the effect of temperature variation on the debonding failure in FRP-strengthened beams. This paper
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Xiong, Xu Yu, and Hai Feng Xu. "Study on Debonding Failure Behavior of RC Beams Combination Strengthened with Carbon Fiber Reinforced Polymer and Steel Plates." Advanced Materials Research 243-249 (May 2011): 597–609. http://dx.doi.org/10.4028/www.scientific.net/amr.243-249.597.

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In order to investigate the debonding failure mechanism,the distributions of interfacial shear stress between cracks and the influence of preload of on the ultimate load and interfacial shear stress,one reference beam and five beams strengthened with CFRP and steel plate at different level of perload were tested and analyzed.The experimental result indicated that the perload level has less influence on the ultimate capacity.Moreover,when debonding failure of sheet-end interface of concrete beams strengthened with CFRP and steel plate is avoided,the debonding failure of reinforced beams at perl
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