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Journal articles on the topic 'Lap joints'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Khalid, Asad A. "Effect of Interface Geometry on Strength of Single Lap Adhesive Joint of Sisal-Glass/Epoxy Laminates." Key Engineering Materials 858 (August 2020): 20–26. http://dx.doi.org/10.4028/www.scientific.net/kem.858.20.

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In this project, experimental work on tensile behaviour of single lap adhesive joints of sisal, glass and hybrid sisal-glass/epoxy composite laminates has been carried out. Composite laminates were fabricated by hand lay-up method using chopped strand mat sisal and glass fibers with epoxy resin matrix. Lab joints of four interface geometries; straight flat, triangular, rectangular and sinusoidal were fabricated. Tensile load-displacement relations were drawn and discussed. Effect of interface geometry and material type on maximum load and strength of the single lap joint was investigated. Fail

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2

Hardi, Witono, Agus Sigit Pramono, and Yohanes. "Performance of Tri-Adhesive Joints to Improve the Shear Stress Distribution of Lap Joints." Key Engineering Materials 941 (March 17, 2023): 295–300. http://dx.doi.org/10.4028/p-7u96du.

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The adhesive lap joints are extensively used in various engineering fields. Various methods were proposed to increase the strength of the lap joint. This paper presents the lap joint's characterization by applying three grades of adhesives in different material properties along the bond line. The stiffest adhesive is employed in the middle bond line, then gradually, those with a lower modulus of elasticity are placed at the ends of the lap joint. This technique reduces the stress concentration at the joining ends, so the stress distribution becomes smoother. Finite element analysis is used to

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3

Sadowski, T., and P. Golewski. "Numerical Study of the Prestressed Connectors and Their Distribution on the Strength of a Single Lap, a Double Lap and Hybrid Joints Subjected to Uniaxial Tensile Test." Archives of Metallurgy and Materials 58, no. 2 (2013): 579–85. http://dx.doi.org/10.2478/amm-2013-0041.

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Prestressed joints are widely used in construction using connectors in the form of screws, whose task is to strong clamping of joined parts, thereby the internal forces in joint are transferred by surface friction contact of the elements. In the automotive and aerospace industries hybrid joints are more widely applied. Mechanical connectors are added to the adhesive joint in form of rivets, screws or clinch increasing its strength properties. The aim of this study was to determine how the prestressed connectors influence the mechanical response of hybrid, single and double lap joints. The infl

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4

Fongsamootr, Thongchai, Charoenyut Dechwayukul, Notsanop Kamnerdtong, Carol A. Rubin, and George T. Hahn. "Parametric Study of Combined Adhesive-Riveted Lap Joints." Key Engineering Materials 261-263 (April 2004): 399–404. http://dx.doi.org/10.4028/www.scientific.net/kem.261-263.399.

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Riveted lap joints are widely used to assemble complex structures, e.g. aircraft fuselages. A thin layer of adhesive (sealant), is normally applied to lap joints in order to restrict the entry of moisture and retard corrosion. In this work, combined adhesive-riveted lap joints were studied to understand the effect of three parameters: panel thickness, adhesive stiffness and adhesive layer thickness, on single row non-countersunk riveted lap joints. Finite element analysis (FEA), along with Thin Adhesive Layer Analysis (TALA-developed for simulating the adhesive layer in lap joint models), were

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5

Lam, Angus C. C., J. J. Roger Cheng, Michael C. H. Yam, and Gaylene D. Kennedy. "Repair of steel structures by bonded carbon fibre reinforced polymer patching: experimental and numerical study of carbon fibre reinforced polymer – steel double-lap joints under tensile loading." Canadian Journal of Civil Engineering 34, no. 12 (2007): 1542–53. http://dx.doi.org/10.1139/l07-074.

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The behavior of carbon fibre reinforced polymer (CFRP) composite bonded to a steel plate double-lap joint was investigated experimentally. A total of 19 specimens were tested with the major test parameters being the bonded lap length, LL, and the axial adherend stiffness ratio, ETR. Five of the 19 specimens were prepared using CFRP sheets, and the rest using CFRP plates. Two CFRP plate specimens were prepared with a tapered lap joint, and their results were compared with those of counterpart specimens prepared without tapered lap joints. In general, the behavior of specimens made from either C

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6

Pratama, Mikhael Gilang Pribadi Putra, Kosim Abdurohman, Rezky Agung Pratomo, et al. "Shear strength comparison of single lap and joggle lap adhesive joints in carbon fiber composites manufactured via vacuum-assisted resin infusion." Jurnal Polimesin 22, no. 5 (2024): 526. http://dx.doi.org/10.30811/jpl.v22i5.5437.

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The extensive utilization of composite materials has spurred the advancement of diverse joining techniques suitable for components constructed from such materials. This study focuses on the examination of two specific types of joints: single lap and joggle lap joints. The specimens utilized were composed of unidirectional carbon fiber composite combined with vinyl ester resin, manufactured via the vacuum-assisted resin infusion method. Vinyl ester adhesives were employed in the bonding process, with the joint surfaces undergoing sanding treatment prior to testing. Mechanical testing was conduc

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7

Azeem, Muhammad, Muhammad Irfan, Manzar Masud, et al. "Experimental and Numerical Investigation of Effect of Static and Fatigue Loading on Behavior of Different Double Strap Adhesive Joint Configurations in Fiber Metal Laminates." Materials 15, no. 5 (2022): 1840. http://dx.doi.org/10.3390/ma15051840.

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Double strap lap adhesive joints between metal (AA 6061-T6) and composite (carbon/epoxy) laminates were fabricated and characterized based on strength. Hand layup methods were used to fabricate double strap match lap joints and double strap mismatch lap joints. These joints were compared for their strength under static and fatigue loadings. Fracture toughness (GIIC) was measured experimentally using tensile testing and validated with numerical simulations using the cohesive zone model (CZM) in ABAQUS/Standard. Fatigue life under tension–tension fluctuating sinusoidal loading was determined exp

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8

Vaziri, A., H. Nayeb-Hashemi, and H. R. Hamidzadeh. "Experimental and Analytical Investigations of the Dynamic Response of Adhesively Bonded Single Lap Joints." Journal of Vibration and Acoustics 126, no. 1 (2004): 84–91. http://dx.doi.org/10.1115/1.1596550.

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Dynamic response of single lap joints, subjected to a harmonic peeling load is studied theoretically and experimentally. In the theoretical part, dynamic response of a single lap joint clamped at one end and subjected to a harmonic peeling load at the other end is investigated. Adherents are modeled as Euler-Bernouli beams joined in the lap area by a viscoelastic adhesive layer. Both axial and transverse deformations of adherents are considered in deriving the equations of motion. The effects of adhesive layer thickness, mechanical properties and its loss factor on the dynamic response of the

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9

Razavi, SMJ, MR Ayatollahi, M. Samari, and LFM da Silva. "Effect of interface non-flatness on the fatigue behavior of adhesively bonded single lap joints." Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications 233, no. 7 (2017): 1277–86. http://dx.doi.org/10.1177/1464420717739551.

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This paper addresses numerical and experimental examination of the role of zigzag interface shapes on the load bearing capacity and fatigue life of adhesively bonded single lap joints. Aluminum adherends with non-flat zigzag interfaces were tested under both quasi-static and fatigue loading conditions. The quasi-static test results revealed that the non-flat adhesive joints have higher load bearing capacity compared to the conventional flat single lap joints. Comparative fatigue tests with different loading levels revealed that the non-flat zigzag single lap joint had considerably higher fatig

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10

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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11

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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12

Demiral, Murat, and Ferhat Kadioglu. "Damage Characteristics of a Step Lap Joint Exposed to Flexural Loading for Its Different Configurations." Polymers 15, no. 11 (2023): 2458. http://dx.doi.org/10.3390/polym15112458.

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Step lap joints are kinds of lap structures, where butted laminations of each layer are consecutively offset in succeeding layers in the same direction. They are mainly designed this way to reduce the peel stresses at the edges of the overlap area observed in single lap joints. In their service, lap joints are often subjected to bending loads. However, the performance of a step lap joint under flexural loading has not been studied in the literature yet. For this purpose, 3D advanced finite-element (FE) models of the step lap joints were developed via ABAQUS-Standard. DP 460 and A2024-T3 alumin

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13

He, Changshu, Zhiqiang Zhang, Ying Li, et al. "Interface Characteristics and Mechanical Properties of Ultrasonic-Assisted Friction Stir Lap Welded 7075-T6 Aluminium Alloy." Materials 13, no. 23 (2020): 5335. http://dx.doi.org/10.3390/ma13235335.

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In this work, friction stir lap welding (FSLW) and ultrasonic-assisted friction stir lap welding (UAFSLW) was applied to 6-mm-thick 7075-T6 alloy sheets using three welding tools with the same process parameters. The joint formation, microstructural characteristics, and mechanical properties of the resulting lap joints were then investigated. The results showed that ultrasonic vibration significantly promoted the flow of metal at the interface, enlarged the size of the stirred zone (SZ), and reduced the angle between the hook defect and the interface. During lap shear testing, the FSLW and UAF

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14

Witek, Lucjan. "INFLUENCE OF PLASTIC DEFORMATION OF ADHEREND MATERIAL ON STRESS DISTRIBUTION IN ADHESIVE LAP JOINTS." Acta Metallurgica Slovaca 23, no. 4 (2017): 304. http://dx.doi.org/10.12776/ams.v23i4.1010.

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<p class="AMSmaintext">In the engineering analysis of adhesive lap joints the linear-elastic model of adherend material is often used. In some cases, when the joined material has a low yield stress, this assumption causes errors in stress estimation in the adhesive layer or adherend. In this study the results of numerical stress and strain analysis of single lap adhesive joints were presented. In performed analysis both the linear-elastic and the elastic-plastic models of adherend materials were considered. In the first part of the work the mechanical properties of joined material were o

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15

El-Sisi, Alaa, Ahmed Elbelbisi, Ahmed Elkilani, and Hani Salim. "The Progressive Damage Modeling of Composite–Steel Lapped Joints." Journal of Composites Science 9, no. 7 (2025): 350. https://doi.org/10.3390/jcs9070350.

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In advanced structural applications—aerospace and automotive—fiber-laminated composite (FRP) materials are increasingly used for their superior strength-to-weight ratios, making the reliability of their mechanical joints a critical concern. Mechanically fastened joints play a major role in ensuring the structural stability of FRP Composite structures; however, accurately predicting their failure behavior remains a major challenge due to the anisotropic and heterogeneous nature of composite materials. This paper presents a progressive damage modeling approach to investigate the failure modes an

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16

Desai, Chirag R., Dilip C. Patel, Chaitanya Desai, and Mohd Asif Hasan. "Experimental Analysis of the Behavior of Multiple Adhesive on the Single Lap Joint Strength." Advanced Materials Research 1181 (November 7, 2024): 19–27. http://dx.doi.org/10.4028/p-d7tn3q.

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The usage of adhesively bonded lap joints in industrial applications has been growing in recent years because of the numerous advantages compared to other joining processes such as fastening, welding, and riveting. For effective design of the adhesively bonded engineering lap joints, it is essential to govern the failure potential of a particular adhesive joint under a certain load causing some stress and strain. In this work, study has been carried out by the application of multiple adhesives along the bondline region of lap joint. The objective of this paper is to experimentally examine the

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17

Sanati, M., Y. Alammari, J. H. Ko, and S. S. Park. "Identification of joint dynamics in lap joints." Archive of Applied Mechanics 87, no. 1 (2016): 99–113. http://dx.doi.org/10.1007/s00419-016-1179-8.

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18

Kim, Dong-Yoon, and Jiyoung Yu. "Statistical Analysis-Based Prediction Model for Fatigue Characteristics in Lap Joints Considering Weld Geometry, Including Gaps." Metals 14, no. 10 (2024): 1106. http://dx.doi.org/10.3390/met14101106.

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Automotive chassis components, constructed as lap joints and produced by gas metal arc welding (GMAW), require fatigue durability. The fatigue properties of the weld in a lap joint are largely determined by weld geometry factors. When there is no gap or a consistent gap in the lap joint, improving the geometry of the weld toe can alleviate stress concentration and enhance fatigue properties. However, due to machining tolerances, it is difficult to completely eliminate or consistently manage the gap in the joint. In the case of a lap-welded joint with an inconsistent gap, it is necessary to ide

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19

Takashima, Yasuhito, Tomo Washio, and Fumiyoshi Minami. "Evaluation of Tensile Shear Strength for Lap Joint of Dissimilar Steels." Materials Science Forum 1016 (January 2021): 1454–59. http://dx.doi.org/10.4028/www.scientific.net/msf.1016.1454.

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The influence of different thickness combinations was investigated on the strength of the lap joint of dissimilar steels. In this study, lap joints of dissimilar steels were welded by laser welding. The tensile shear test was conducted for the lap joints. Rotational deformation process around the weld bead of the lap joint was observed by a digital video camera during the test. Motion analysis from the video of the tensile shear test indicated that the rotation angle around the weld bead was reduced by overlapping higher strength grade steel. Three-dimensional elastic-plastic finite element an

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20

Shi, Gang, and Yufeng Chen. "Investigation of ductile fracture behavior of lap-welded joints with 460 MPa steel." Advances in Structural Engineering 21, no. 9 (2017): 1376–87. http://dx.doi.org/10.1177/1369433217746342.

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Fractures in welded connections usually occurred at Earthquake. The lap-welded joints are an important type of welded connections in high strength steel structures. In this article, the ductile fracture behavior of lap-welded joints has been studied experimentally and numerically with 460 MPa steel. A series of coupon tests were used to determine two corresponding weld materials (ER55-D2 and ER55-G) mechanical properties. Two micromechanics models (void growth model and stress-modified critical strain models) had been calibrated by circumferentially notched tension specimens and calculated the

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21

Imanaka, Makato, Yusuke Fukuchi, Waichiro Kishimoto, Kozo Okita, Hideaki Nakayama, and Hiroyoshi Nagai. "Fatigue Life Estimation of Adhesively Bonded Lap Joints." Journal of Engineering Materials and Technology 110, no. 4 (1988): 350–54. http://dx.doi.org/10.1115/1.3226061.

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This paper describes a method of estimating the fatigue life of adhesively bonded lap joints on the basis of the stress analysis in adhesive layer with finite element method. First, cyclic tensile fatigue tests were conducted for adhesively bonded lap joints with different lap length and adhesive layer thickness. The results were evaluated from the viewpoint of the maximum values of both tensile and shear stress obtained numerically, instead of the apparent stress. Then these standardized fatigue strength were compared with those of adhesively bonded butt joints of a thin wall tube under cycli

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22

Li, Gang, Shengyu Xu, Xiaofeng Lu, Xiaolei Zhu, Yupeng Guo, and Jufeng Song. "Effect of welding speed on microstructure and mechanical properties of titanium alloy/stainless steel lap joints during cold metal transfer method." Metallurgical Research & Technology 117, no. 5 (2020): 506. http://dx.doi.org/10.1051/metal/2020052.

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Cold metal transfer (CMT) technique is developed for lap joining of titanium (Ti) alloy to stainless steel (SS) with CuSi3 filler wire. The effect of welding speed on the microstructure and mechanical properties of Ti/SS lap joints is investigated. The results indicate that the wetting angle of the lap joints gradually increases and the weld width decreases with increasing the welding speed. It is found that many coarse phases in the fusion zone are rich in Ti, Fe and Si etc, inferring as Fe–Si–Ti ternary phase and/or Fe2Ti phase at low welding speed. Many fine spherical particles in the fusio

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23

Liu, Jintong, Anan Zhao, Zhenzheng Ke, Zhendong Zhu, and Yunbo Bi. "Influence of Rivet Diameter and Pitch on the Fatigue Performance of Riveted Lap Joints Based on Stress Distribution Analysis." Materials 13, no. 16 (2020): 3625. http://dx.doi.org/10.3390/ma13163625.

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Interference-fit riveting is one of the most widely used mechanical joining ways in aircraft assembly. The fatigue performance of riveted joints has a significant impact on the service life and reliability of aircraft. In this paper, the fatigue performance of the riveted lap joints with various rivet diameters and pitches are studied based on stress distribution analysis under tensile load. First, a theoretical model of the riveted lap joint under tensile load is developed by using the spring-mass model. The rivet-load stress, bypass stress, and interference stress around the riveted hole are

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24

Debnath, Pritam, Arup Kumar Debnath, Raju Ahammad, Md Arifuzzaman, and Md Shariful Islam. "Numerical Simulation of Bi-Adhesive Lap Joints." SciEn Conference Series: Engineering 2 (May 8, 2025): 77–81. https://doi.org/10.38032/scse.2025.02.16.

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The stresses in single-lap bonded joints are highest at the edges, where failure frequently originates, and lowest at the center. The stress concentration at the ends of a bonded lap joint is influenced by the relative stiffness of the adherend and adhesive used. The stress concentration is smaller and the joint strength may be increased the less stiff the adhesive used in the bond line for a particular adherend. With this technique, high joint strength can be attained. Adhesive joints have been used in a lot of investigations in the past. Numerous industries, including the automotive and aero

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25

Ye, Lingpeng, Baisheng Wang, and Pujian Shao. "Experimental and Numerical Analysis of a Reinforced Wood Lap Joint." Materials 13, no. 18 (2020): 4117. http://dx.doi.org/10.3390/ma13184117.

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During the restoration of ancient wood structures, the original material of the structures should be kept as much as possible, so a spliced method by using lap joints is commonly used to repair ancient wood structures. This study studies the mechanical behavior of a lap joint which was reinforced with fiber composite materials or steels. An experimental and numerical analysis were performed to study the strength, stiffness and failure modes of the lap joints. The test results showed that the strengthening effect of sticking carbon fiber-reinforced polymer (CFRP) sheets is better than that of s

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26

Silva, Diogo FM, Ivo MF Bragança, Carlos MA Silva, Luis M. Alves, and Paulo AF Martins. "Joining by forming of additive manufactured ‘mortise-and-tenon’ joints." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 233, no. 1 (2017): 166–73. http://dx.doi.org/10.1177/0954405417720954.

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This article is aimed at extending the ‘mortise-and-tenon’ joining concept commonly utilized in corner or tee joints to lap joints in which one sheet is partially placed over another without any change in their shape. The approach makes use of wire arc additive manufacturing to fabricate the tenons and allows various shapes and thicknesses to be made from a wide range of metallic materials. Upset compression of the tenons is utilized to mechanically lock the two sheets being joined. Experimental and finite element simulation works performed with monolithic (aluminium–aluminium) and hybrid (alu

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27

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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28

Zheng, Xiao Ling, Jia Ling Yan, Min You, Jiang Cheng Zhang, and Lai Hu Song. "Effect of Metal Block on Stress Distribution in Weld-Bonded Steel Joint." Advanced Materials Research 602-604 (December 2012): 2092–95. http://dx.doi.org/10.4028/www.scientific.net/amr.602-604.2092.

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The effect of metal block as the fillet on the stress distributed in weld-bonded single lap steel joint was investigated using elasto-plastic finite element method (FEM). The results from the numerical simulation showed that it is beneficial when the joints with a couple of right triangle metal block were adhered to both ends of the over lap. It is advantageous of reducing the peak stress in the adhesive layer near the ends of the lap zone in weld-bonded single lap steel joints so that the stress distribution in overlap zone was improved. The load-bearing capacity of the weld-bonded single lap

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29

Md Sayed Anwar, Md Ahatashamul Haque Khan Shuvo, Md Manirul Islam, Md Mehedi Hasan Ziad, and Md Ariful Hasan. "Effect of Adhesive Type on the Adhesively Bonded Stepped Joint: A Numerical Investigation." Malaysian Journal on Composites Science and Manufacturing 13, no. 1 (2024): 82–97. http://dx.doi.org/10.37934/mjcsm.13.1.8297.

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Single-lap joints are by far the most widely used adhesive joints and have been the subject of considerable research over the years. It is used in the automobile and aerospace industry where bolted or riveted joints are impossible. The joint strength in adhesively bonded joints depends on the adhesive and adherend properties and adherend geometry. In this paper, both the adhesive property and adherend geometry are considered. Two types of adhesives, i.e., SBT9244 (flexible) and DP460 (stiff), and three types of adherend geometry, Single Lap Joint (SLJ), One Step Lap Joint (OSLJ), and Three Ste

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30

Zenin, S. A., K. L. Kudyakov, and K. D. Sychev. "Experimental studies on the strength of reinforced concrete elements with lap joints of compressed reinforcement in a single design section under axial compression." Bulletin of Science and Research Center of Construction 43, no. 4 (2024): 27–39. https://doi.org/10.37538/2224-9494-2024-4(43)-27-39.

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Introduction. Current Russian standards impose stricter requirements on the overlap length of reinforcing bars in lap joints executed within a single section of the structure compared to staggered lap joints. Due to insufficient research on this issue concerning compressed reinforcement, these requirements lack comprehensive justification and have been adopted with some caution, which leads to increased reinforcement consumption. This implies investigating various possible design solutions for lap joints of reinforcement bars made in a single design section and experimental verifying of their

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31

Razavi, S. M. J., M. Peron, J. Torgersen, and F. Berto. "The Effect of Interface Geometry on the Mechanical Behavior of Adhesive Joints." Key Engineering Materials 754 (September 2017): 256–59. http://dx.doi.org/10.4028/www.scientific.net/kem.754.256.

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The role of sinusoid interface shape on the load bearing capacity of the adhesively bonded single lap joints has been investigated experimentally. The experimental results showed that the interface non-flatness can considerably influence the adhesive joint strength. The main parameters that can affect the load bearing of the non-flat joints are wave heights, wave lengths and also mechanical properties of adhesives and adherends. In this paper, the effect of wave length was evaluated as the key variable parameter. According to the experimental results for the best studied case, non-flat sinusoi

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32

Liu, Wei Jian, Wen Quan Wang, and Fan Jiang. "Microstructures and Properties of Friction Stir Welded Al-Cu Lap Joints." Materials Science Forum 953 (May 2019): 9–14. http://dx.doi.org/10.4028/www.scientific.net/msf.953.9.

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Friction stir welded lap joints of 5083 aluminum alloy plates with thickness of 2mm and T2 pure copper plates with thickness of 3mm were prepared, and the microstructures and properties of lap joints were investigated. The results showed that Al and Cu interdiffusion occurred at the interface of the lap joints, the grains in the stir zone of Al were refined and the microhardness increased sharply. The joint of Cu can be divided into four parts, including the nugget zone (NZ), thermo-mechanically affected zone (TMAZ), heat affected zone (HAZ) and base metal (BM). Using the optimum welding param

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33

Liu, Sui, Zhi Dong Guan, Xia Guo, Dong Xiu Yan, Ping Chen, and Jia Liu. "Study on Tensile Strength of Composite Double-Lap Joint." Applied Mechanics and Materials 157-158 (February 2012): 1519–26. http://dx.doi.org/10.4028/www.scientific.net/amm.157-158.1519.

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An experimental and analytical study on ultimate tensile strength of composite double-lap joints with different adhesive thicknesses is employed in the paper，test results indicate the major failure mode of joints is adhesive shear failure and the ultimate strength of joints increasing with thicker adhesive. Analytical model is developed to investigate the adhesive failure of double-lap joint based on the experiments. The model takes into account anisotropy of each ply in the composite laminates and elastic-perfectly plastic behavior of the adhesive in the joints. The validity of analytical mod

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34

Mat Latip, Ummu Humairah, Wahyu Kuntjoro, Ramzyzan Ramly, and Rizal Effendy Mohd Nasir. "Modeling Comparison of 3D Printed Lap Joint Using Finite Element Analysis." JOURNAL OF APPLIED ENGINEERING DESIGN AND SIMULATION 2, no. 2 (2022): 1–10. http://dx.doi.org/10.24191/jaeds.v2i2.43.

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Lap joints are commonly used as a method of connecting structural parts. This includes parts that are made by 3D printing technology. Structural simulation using the finite element (FE) method can be used for lap joint analysis purposes. There are two approaches to use for the analysis of lap joints: actual bolt connection, and virtual bolt connection. Although an actual bolt connection is ideal to use, however in some cases it is impractical, for example when the number of joints and number of fasteners is huge. It is necessary to understand the behavior of these two different approaches for

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35

Anto, Michael, Kwabena Offeh Gyimah, Bismark Addai, Acheampong Kwabena Isaac, Maxwell Owusu, and Andrews Jnr Amoako Atta. "The Effect of Welding Current on the Hardness and Tensile Properties of Mild Steel A36LCS TIG Welded Joints: A Comparative Study of Lap and Butt-Welded Joints." European Modern Studies Journal 7, no. 4 (2023): 444–54. http://dx.doi.org/10.59573/emsj.7(4).2023.40.

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This study investigates the effect of welding current on the mechanical properties of 5mm A36LCS using TIG welding process. Two joints, lap and butt, were selected for the study. The study found that (a) UTS of the welded joints increased with current from 80A to 110A, but declined afterwards. This was attributed to the amount of heat of fusion generated by the current and consequently the bead sized formed. After 110A however, some elements burn out to diminish strength of joint. At 110A, Lap joint recorded UTS value of 67.74Mpa with fracture value of 52.24Mpa and Butt 110A also recorded UTS

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İSPİRLİOĞLU KARA, Gamze, and Adnan ÖZEL. "Investigation of low-cycle fatigue in adhesively-bonded single-lap joints." Journal of Scientific Reports-A, no. 055 (December 31, 2023): 146–60. http://dx.doi.org/10.59313/jsr-a.1333665.

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Adhesively bonded joints are used as an alternative to classical mechanical joining methods, e.g., bolts, rivets, welding, and soldering, due to their advantages such as high strength, uniform stress distribution, and good fatigue resistance. These adhesively bonded joints are becoming more and more important, especially in fields where weight is critical, such as aviation and aerospace. Adhesively bonded joints are preferred because they offer highly reliable connections. In the present study, the low-cycle fatigue of materials joined together as adhesively bonded single-lap joints were inves

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Liao, Tianfa, Wenyuan Wang, Zhiming Chen, and Mingzhi Guan. "Numerical Study on Mechanical Behavior and Electromechanical Properties of Solder-Jointed REBCO-Coated Conductors." Materials 17, no. 11 (2024): 2517. http://dx.doi.org/10.3390/ma17112517.

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As the second-generation high-temperature superconducting conductors, rare earth–barium–copper–oxide (REBCO) coated conductor (CC) tapes have good potential as high-field and high-energy superconductors. In superconducting applications, several joints are required for conjugating comparatively short REBCO CC tapes. Soldering lap joints are the simplest and most commonly applied REBCO CC joints. In addition to joint resistance, the mechanical behavior and electromechanical properties are also crucial for superconducting applications. In this paper, the electromechanical properties and mechanica

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Zhang, Min, Zhengrong Xue, Yihu Chen, Dan Lu, Wen Qin, and Wei Yu. "Hysteresis Performance and Restoring-Force Model of Precast Concrete Ring-Lap Beam-Column Joints." Buildings 13, no. 2 (2023): 286. http://dx.doi.org/10.3390/buildings13020286.

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In order to study the restoring-force characteristics of precast concrete ring-lap beam-column joints, three precast concrete ring-lap beam-column joint specimens and one cast-in-place concrete beam-column joint specimen were designed and fabricated, and low-circumferential repeated loading tests were conducted. The results show that the bearing capacity of the ring-lap beam-column joint is higher than that of the cast-in-place beam-column joint, and with the increase in the lap length, the bearing capacity, ductility, and energy dissipation capacity of the ring-lap beam-column joint increase

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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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Yanen, Cenk, and Murat Yavuz Solmaz. "Effect of different joint angles on the mechanical strength of adhesive-bonded scarf and double butt–lap joints." Materials Testing 64, no. 5 (2022): 726–35. http://dx.doi.org/10.1515/mt-2021-2054.

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Abstract The effect of different joint angles and joint types in adhesively bonded joints was investigated. Two joint types were chosen to examine the effect of the joint type. A total of 12 samples were produced at six different angles (30°, 45°, 52°, 60°, 75°, and 90°) to examine the effect of joint angle on the scarf and double butt–lap joint types. St 37 steel was used as the adherend material. The adhesion distance, sample thickness, and adhesion area were kept constant in the samples. There were differences in the sample widths to make the angle change by keeping the adhesive bonding len

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Zhou, Dongyan, and Mingwei Di. "Numerical simulation analyses of single lap joints for wood-PE composites formed with epoxy and acrylic ester adhesives." BioResources 14, no. 3 (2019): 5908–22. http://dx.doi.org/10.15376/biores.14.3.5908-5922.

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Wood powder/polyethylene composites (WP/PE) were surface treated by plasma discharge and bonded with epoxy resin and acrylic ester adhesives, respectively. The finite element model of the single lap bonded joints of WP/PE was established through the elastic-plastic finite element method, and the influences of adhesive and lap length on the stress distribution in the adhesive joints were analyzed. The results showed that polar oxygen-containing groups were introduced to the WP/PE surface with the plasma treatment, which improved the bonding properties. The peak values of Mises equivalent stress

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Golewski, Przemysław, and Tomasz Sadowski. "The Influence of Single Lap Geometry in Adhesive and Hybrid Joints on Their Load Carrying Capacity." Materials 12, no. 12 (2019): 1884. http://dx.doi.org/10.3390/ma12121884.

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The manufacturing technology for adhesive joints is not yet fully optimized, as proved by a large number of papers that have been published in recent years. Future studies on innovative techniques for fabricating adhesive joints should investigate the influence of parameters such as: (1) The shape of adhesive protrusion, (2) lap dimensions, and (3) cohesive layer reduction in the most efforted regions of the joint. With the application of additional mechanical connectors (e.g., rivets, screws, and welds) in adhesive joints, new hybrid connections can be fabricated. The number of publications i

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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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Banea, Mariana D., Lucas F. M. da Silva, Raul D. S. G. Campilho, and Abílio M. P. de Jesus. "Characterization of Aluminium Single-Lap Joints for High Temperature Applications." Materials Science Forum 730-732 (November 2012): 721–26. http://dx.doi.org/10.4028/www.scientific.net/msf.730-732.721.

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In this study, an experimental investigation into the shear strength behaviour of aluminium alloy single-lap adhesive joints was carried out in order to understand the effect of temperature on the strength of adhesively bonding joints. Single lap joints (SLJs) were fabricated and tested at RT and high temperatures (100°C, 125°C, 150°C, 175°C and 200°C). Results showed that the failure loads of the single-lap joint test specimens vary with temperature and this needs to be considered in any design procedure. It is shown that, although the tensile stress decreased with temperature, the lap-shear

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Subramanian, Sankara J., and Vijay K. R. Penmetcha. "Strain Evolution during Lap Shear Testing of SnCu Solder." Applied Mechanics and Materials 70 (August 2011): 303–8. http://dx.doi.org/10.4028/www.scientific.net/amm.70.303.

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The lap-shear test is frequently used in the microelectronics industry to obtain mechanical properties of solder joints. In these tests, solder joints formed between slender metallic substrates are pulled apart in a simple shear configuration. Although it is known that calculation of stress-strain curves from lap shear tests is not straightforward due to rotation of the joints and strain inhomogeneity within the joint, these tests still find widespread use due to their simplicity and apparent ease of use. Chawla and co-workers [1, 2] show that the state of strain near the solder-substrate inte

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Martins, Guilherme, Carlos M. S. Vicente, and Marco Leite. "Polymer-Metal Adhesion of Single-Lap Joints Using Fused Filament Fabrication Process: Aluminium with Carbon Fiber Reinforced Polyamide." Applied Sciences 13, no. 7 (2023): 4429. http://dx.doi.org/10.3390/app13074429.

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Additive manufacturing (AM) is often used for prototyping; however, in recent years, there have been several final product applications, namely the development of polymer-metal hybrid (PMH) components that have emerged. In this paper, the objective is to characterize the adhesion of single-lap joints between two different materials: aluminium and a polymer-based material manufactured by fused filament fabrication (FFF). Single-lap joints were fabricated using an aluminium substrate with different surface treatments: sandpaper polishing (SP) and grit blasting (GB). Three filaments for FFF were

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Piotr, Lacki, and Niemiro-Maźniak Judyta. "Numerical and Experimental Analysis of Lap Joints Made of Grade 2 Titanium and Grade 5 Titanium Alloy by Resistance Spot Welding." Materials 16, no. 5 (2023): 2038. http://dx.doi.org/10.3390/ma16052038.

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The paper presents the evaluation of the load capacity of lap joints and the distribution of plastic deformations. The influence of the number and arrangement of welds on the load capacity of the joints and the method of their failure was investigated. The joints were made using resistance spot welding technology (RSW). Two combinations of joined titanium sheets were analyzed: Grade 2–Grade 5 and Grade 5–Grade 5. Non-destructive and destructive tests were carried out in order to verify the correctness of the welds within the given parameters. All types of joints were subjected to a uniaxial te

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Wang, Pei Yan, Shi Hui Huo, Fu Sheng Wang, and Zhu Feng Yue. "Experimental Study on Composites with Single-Lap Countersunk Head Bolt Joints." Advanced Materials Research 291-294 (July 2011): 848–54. http://dx.doi.org/10.4028/www.scientific.net/amr.291-294.848.

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An investigation was performed to study the response of laminated composites with bolt joints. The configuration was single-lap single countersunk head bolt. The major focus was to characterize bearing behavior of laminates and the effect of some parameters such as lap types, fastener types, hole diameter, and stiffness of lapped plate on the bearing strength and stiffness. For this purpose, hundreds of specimens were tested to obtain ultimate loads and stiffness of joints. According to different configurations of joints, three contrast tests were carried out, and some useful conclusions were

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Iwasa, Masaaki, and Toshio Hattori. "Evaluation Method for Fatigue Strength of FRP/Metal Adhesive Joints Considering Mean Stress." Journal of Engineering Materials and Technology 125, no. 4 (2003): 402–5. http://dx.doi.org/10.1115/1.1605114.

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The fatigue strength of two types of FRP/metal adhesive joints at low temperature, a double lap joint and an embedded joint, was evaluated analytically and experimentally. First, the stress singularity parameters of the delamination edges under mechanical and thermal loadings were analyzed by FEM for various delamination lengths. The delamination propagation rate of the double lap joint under mechanical cyclic loadings at room temperature was measured. Using the relationship between the measured propagation rates and the analyzed ranges of stress singularity intensity, we estimated the fatigue

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Li, Shukun, Jiahe Mi, Xingjun Qi, Yudong Jin, and Yupeng Guo. "Impact Resistance Performance and Damage Characteristics of Mortise-and-Tenon Joint Prefabricated Bridge Piers." Buildings 14, no. 9 (2024): 2666. http://dx.doi.org/10.3390/buildings14092666.

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The mortise-and-tenon joint prefabricated connection combines the assembly form of mortise-and-tenon joints and cast-in-place wet joints. It achieves reliable joint connections through small joint depths and lap-spliced reinforcement lengths. To study the impact resistance and damage characteristics of the assembled pier, a nonlinear finite element analysis was performed on the assembled and monolithic pier model piers to study the effects of mortise-and-tenon joint depths, lap reinforcement, and grout on the response of the piers to vehicle impact. The results showed that, after impact, the d

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