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Damage tolerance analysis of double strap joints with composite adherends J. Adhes. (IF 2.2) Pub Date : 2024-03-04 J. Jokinen, O. Orell, P. Hakala, O. Rodera, M. Wallin, M. Kanerva
Damages in composite structures are typically repaired using external bonded patches. In this work, the damage tolerance within external patches is studied using double strap joint (DSJ) with carbo...
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Special issue: additive manufacturing applied to adhesive bonding J. Adhes. (IF 2.2) Pub Date : 2024-02-27 Ricardo J. C. Carbas, Eduardo A. S. Marques
Published in The Journal of Adhesion (Vol. 100, No. 5, 2024)
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The effects of temperature on mechanical properties of neat and montmorillonite reinforced epoxy compounds J. Adhes. (IF 2.2) Pub Date : 2024-02-21 Anna Rudawska
The aim of the article was to determine the effect of temperature on the tensile strength of two types of the epoxy compounds: the neat and the montmorillonite reinforced epoxy compounds. These epo...
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An enhanced surface treatment for effective bonding of 7075-T6 aluminium alloys J. Adhes. (IF 2.2) Pub Date : 2024-02-21 Mahfoudh Taleb Ali, Zaineb Jebri, Julien Jumel
This study research focuses on optimising adhesion through surface treatments on 7075-T6 aluminium alloy substrates using a chromium-free protocol. The treatment involves acetone degreasing, NaOH e...
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Adhesion characteristics of plasma-treated flax fabrics and elastoplastic properties of their biocomposites J. Adhes. (IF 2.2) Pub Date : 2024-02-20 Mohsen Bahrami, Jose Antonio Butenegro, Juana Abenojar, Miguel Angel Martinez
Recently, there has been growing interest in replacing synthetic fibers with natural fibers in polymer composites due to several advantages of natural fibers over synthetic ones, such as low cost, ...
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Increase of shear fracture energy of adhesive joints using double-double laminates J. Adhes. (IF 2.2) Pub Date : 2024-02-18 Ranulfo Martins Carneiro Neto, Lucas Lisbôa Vignoli, Carolina Seixas Moreira, Ney Robson Rohem, Eduardo Martins Sampaio
Double – Double (DD) is a new family of laminates that holds the potential to completely overhaul the design of composite structures. These laminates are not only lighter and more robust than the c...
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Adhesive layer thickness in hybrid joints J. Adhes. (IF 2.2) Pub Date : 2024-02-16 Koichi Yokozeki, Till Vallée, Frank Mohr, Tobias Evers
The resurgence of interest in hybrid joints, combining adhesive bonding with mechanical fastening in engineering applications, is driven by the recognition of unique advantages and limitations inhe...
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Dynamic fracture response of adhesive joints subjected to mode-I impact wedge loading J. Adhes. (IF 2.2) Pub Date : 2024-02-15 David Zarifpour, Hadi Khoramishad, Javad Marzbanrad
This paper aims to examine the behavior of cracked adhesive joints experimentally and numerically when they are subjected to quasi-static and dynamic loads using the tensile and falling-wedge impac...
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Effect of laser pre-treatment on adhesive joint performance and evaluation of interfacial strain distribution using mechanoluminescence J. Adhes. (IF 2.2) Pub Date : 2024-02-12 Nao Terasaki, Yuki Fujio, Yoshitaro Sakata, Keiji Houjou, Kazumasa Shimamoto, Haruhisa Akiyama, Kiyoshi Yase, Shin Horiuchi, Sven Hartwig, Julian Steinberg, Christian Gundlach, Rio Hirakawa
In this study, factors that improve bonded joints structural response through laser surface pre-treatment on aluminum surfaces were investigated. Specifically, the focus was put on analyzing the la...
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Analysis of the effects of free-length on bonded T-joints by an elastoplastic meshless analysis J. Adhes. (IF 2.2) Pub Date : 2024-02-10 R. J. C. Sousa, I. J. Sánchez-Arce, J. M. M. Dionísio, L. D. C. Ramalho, D. C. Gonçalves, R.D.S.G. Campilho, J. Belinha
Various configurations of adhesive joints exist, each with unique characteristics. In the case of peel load solicitations, T-joints are the most common choice but are not sufficiently addressed in ...
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Enhanced curing process of eco-friendly oxidized cornstarch adhesive with Nano-CeO2 J. Adhes. (IF 2.2) Pub Date : 2024-02-01 Shenglong Wang, Qiuyin Zhu, Jinlei Li, Kun Wu, Fenglong Lin, Yincai Wu, Xinkun Wang, Lijun Song
This paper investigates the development of an eco-friendly adhesive fortified with cerium dioxide nanoparticles (nano-CeO2), incorporating oxidized corn starch (OCS) and a Polyvinyl acetate (PVAc) ...
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Electrical detachment of bumpy particles and rough spherical particles charged by corona ions J. Adhes. (IF 2.2) Pub Date : 2024-02-04 Abbas Khanmohammadi, Goodarz Ahmadi
Electrostatic detachment of bumpy and spherical particles with rough surfaces charged by corona ions was studied. Corona charging leads to uniformly distributed charges across the entire particle s...
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Effect of outdoor environmental exposure on the mechanical behavior of steel/GFRP single-lap joints J. Adhes. (IF 2.2) Pub Date : 2024-02-04 Hiasmim Rohem Gualberto, João Marciano Laredo dos Reis, Mônica Calixto de Andrade, Hector Reynaldo Meneses Costa, Felipe do Carmo Amorim, Domenio de Souza Faria
Adhesive joints GFRP/Steel bonded with epoxy adhesive were exposed to the external environment for one year, a tropical environment with temperature variations, humidity, radiation, and salt spray,...
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An improved J-integral based adhesive joint fatigue life estimation method for automotive structural durability analysis J. Adhes. (IF 2.2) Pub Date : 2024-01-30 Zhongjie Yue, Qiuren Chen, Li Huang, Chendi Wei, Li Chen, Xianhui Wang, Weijian Han
To estimate the fatigue life of lightweight automotive structures in compliance with top-down design principles, there is a need for an accurate adhesive joint fatigue life prediction method that i...
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Design of bio-based adhesives for fuel cell applications J. Adhes. (IF 2.2) Pub Date : 2024-01-30 Elisabeth Stammen, Fabian Bergenthun, Sebastian Brokamp, Klaus Dilger
Fuel cells contribute to decentralized and individually controllable energy supply. The low-temperature polymer electrolyte membrane fuel cell is ideal for both stationary and mobile use due to its...
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Evaluation of surface pretreatment methods on thin austenitic stainless steel foils for adhesive bonding applications J. Adhes. (IF 2.2) Pub Date : 2024-01-21 Christoph J. A. Beier, Maximilian K. Heym, Vinzenz Ginster, Alexander Schiebahn, Uwe Reisgen
Stainless steel is used across all industries, from the chemical or construction sector to household appliances. To produce load bearing joints, a surface treatment of the passive surface of austen...
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Load transfer distribution in bolted-sealed joints J. Adhes. (IF 2.2) Pub Date : 2024-01-16 Minh-Nhat To, Éric Paroissien, Frédéric Lachaud, Valérie Nassiet, Bouchra Hassoune, Maëlenn Aufray, Hélène Welemane
Rubber-like materials such as sealant with recent developments in formulation are widely used in various structural components, especially in aerospace industry with many applications such as the s...
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Durability of the effectiveness of atmospheric plasma treatment applied to thermoplastic Styrene-Butadiene-Styrene (SBS) rubber J. Adhes. (IF 2.2) Pub Date : 2024-01-11 C. Ruzafa-Silvestre, V.M. Serrano-Martínez, F. Arán-Ais, E. Orgilés-Calpena
The study examines the impact of atmospheric air plasma treatment on Styrene-Butadiene-Styrene (SBS) thermoplastic rubber. The durability of the modifications and their effect on adhesive propertie...
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Comparison between cure kinetics by means of dynamic rheology and DSC of formaldehyde-based wood adhesives J. Adhes. (IF 2.2) Pub Date : 2024-01-03 Latifeh Nasseri, Catherine Rosenfeld, Pia Solt-Rindler, Roland Mitter, Johann Moser, Andreas Kandelbauer, Johannes Konnerth, Hendrikus W.G. Van Herwijnen
Comparative analysis of the chemical and rheological curing kinetics of formaldehyde-based wood adhesives is crucial for assessing their respective performance. Differential scanning calorimetry (D...
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Interfacial adhesion between electrical contacts determined by surface quality J. Adhes. (IF 2.2) Pub Date : 2024-01-02 Xue Zhou, Yong Zhang, Dao-Yi Wu, Li-Ping Li, Xu Wang, Chen-Song Ji, Guo-Fu Zhai, Rui Kang
Micro-Electromechanical-Relay (MER) has widely achieved application in the field of engineering thanks to the excellent features and ever-growing interest in microelectronic products. However, the ...
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Tensile response of additively manufactured carbon/nylon joints using optical fibers and digital image correlation J. Adhes. (IF 2.2) Pub Date : 2023-12-27 Shuvam Saha, Aditya Shah, Rani Sullivan, Mary Dimitroff, Joshua Kiley, Luke Perry
Additive manufacturing (AM) has gained popularity due to reduced production times of low-cost and geometrically complex structures. Due to technological constraints such as print volume, time, and ...
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Thickness-dependent selection of adhesive joints J. Adhes. (IF 2.2) Pub Date : 2023-12-20 Charline van Innis, Thomas Pardoen
The fracture resistance of adhesive joints depends on the bondline thickness, especially in the toughest systems. While increasing the adhesive thickness to operate at peak fracture toughness is an...
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Metal-composite hybrid joint adhesion and testing optimization for electric vehicle applications J. Adhes. (IF 2.2) Pub Date : 2023-12-19 Blanca Maria Lekube, Jon Haitz Badiola, Pablo Larreategi, Felix Ares, Agustín Chiminelli, Clara Valero, Tevfik Ozgur
Lightweight is a critical feature in automotive applications, especially in electric vehicle applications due to the heavyweight of batteries, thus contributing to improve vehicle efficiency. Multi...
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Preparation and properties of multi-responsive self-healing non-isocyanate polyurethane gel coating J. Adhes. (IF 2.2) Pub Date : 2023-12-14 Ning Li, Peng Yin, Yuxi Zhang, Yujie Liu, Xiaoyu Zhang, Guorui Wang, Fanglei Zeng, Hailong Liu, Gang Yi, Zhongwei Wang
Traditional polyurethane coating is prepared by combining isocyanate and polyol, but isocyanate is toxic, which is not conducive to the sustainable development of ecological environment. In this pa...
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Effect of ultrasonic-assisted on the bonding properties of hot-pressing molded polybutylene terephthalate/aluminum alloy composite J. Adhes. (IF 2.2) Pub Date : 2023-12-08 Juncheng Li, Di Cai, Tao Deng, Youbing Li, Tian Xia, Lunjun Qu, Chaolong Yang, Xiaolin Liu
The mechanical properties and structure of polybutylene terephthalate (PBT)/aluminum (Al) composite prepared by ultrasonic-assisted hot-pressing were analyzed, and the influence of ultrasonic-assis...
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Reactive polyurethane hot-melt adhesives with high biogenic carbon content J. Adhes. (IF 2.2) Pub Date : 2023-12-05 María Alejandra Moyano, María Pilar Carbonell-Blasco, Francisca Arán-Aís, Elena Orgilés-Calpena
The use of water-based or solvent-based polyurethane adhesives is widely extended in the footwear industry. However, reactive polyurethane hot-melt adhesives (RPHMA) represent a good option to subs...
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Accelerating environmental ageing effects of adhesively bonded aluminium joints by using smaller bonding areas J. Adhes. (IF 2.2) Pub Date : 2023-12-01 Silke Golob, Jens Holtmannspötter, Michael Johlitz, Elisa Arikan, Antje Struck, Alexander Lion
In all areas of application, adhesive joints are exposed to environmental conditions, which can weaken the joint. To verify the functionality of the joints for a certain service life, accelerated a...
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Experimental investigation on enhancing the adhesive bonding behaviour of titanium-di-oxide-based BK-9 adhesives under varying ambient temperature J. Adhes. (IF 2.2) Pub Date : 2023-11-29 P. Pragathi, G. Raja Singh, K. V. Govindarajan, K. Ashoka Vijayan, R. Velmurugan
Adhesive bonding has become increasingly popular in the aeronautic and automobile sectors due to its ability to reduce weight, create strong bonds, and join dissimilar materials. The primary aim of...
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Thermo-accelerated curing of transparent glass-glass bondings through in-situ heat generation in the adhesive joint J. Adhes. (IF 2.2) Pub Date : 2023-11-28 Christiane Kothe, Nils Ratsch, Christian Lammel, Felix Nicklisch, Martin Kahlmeyer, Stefan Böhm, Bernhard Weller
Bonding glass is challenging due to the brittle properties of the material. At the same time, it is interesting for transparent architectural applications, as the entire construction appears as a u...
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Comparative analysis of compressive strength of epoxy adhesive compounds containing fillers J. Adhes. (IF 2.2) Pub Date : 2023-11-24 Jacek Ogrodniczek, Anna Rudawska, Miroslav Müller
The aim of this paper was to analyse the compressive strength and structure of epoxy adhesive compounds containing three different fillers with good thermal conductivity, additionally prepared in v...
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Metal-metal and metal-composite joints with 3D printed aluminium substrates: effect of surface treatment on the mode I fracture toughness J. Adhes. (IF 2.2) Pub Date : 2023-11-24 Michele Gulino, Fabrizio Moroni, Alessandro Pirondi
Adhesive bonding of composite laminates to metals is an increasingly employed technique to manufacture lightweight structures. However, this type of joints is sensitive to defects and composite del...
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Enhanced mechanical interlocking of adhesive-bonded joints via tailored serrated patterns manufactured with laser ablation J. Adhes. (IF 2.2) Pub Date : 2023-11-22 Francesco Musiari, Fabrizio Moroni, Adrian Hugh Alexander Lutey
Laser ablation is currently used as an effective alternative to mechanical or chemical surface pre-treatments for adhesive-bonded joints due to benefits in terms of adherend surface morphology and ...
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Machine learning-based assessment of hygrothermal aging performance in CFRP-aluminum alloy adhesive bonded structures J. Adhes. (IF 2.2) Pub Date : 2023-11-22 Mu Wenlong, Xianglin Chen, Shijie Li, Jingxin Na
Adhesive bonding is an effective technique for connecting fiber reinforced composites (FRPs) and plays a crucial role in determining load transfer capability and overall structural safety. However,...
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Evaluation of theoretical models describing the scratch adhesion test based on experimental results J. Adhes. (IF 2.2) Pub Date : 2023-11-20 Maciej Jan Kupczyk
The article presents theoretical analyzes and results of research work on the verification of a commonly used method for measuring the adhesion of thin hard and superhard coatings applied to the bl...
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Fracture properties evaluation of structural adhesives using the dual actuator test frame and digital image correlation technique J. Adhes. (IF 2.2) Pub Date : 2023-11-18 Yosra Rahali, Julien Jumel, Georgios Stamoulis, Philippe Le Grognec
This paper implements a dual actuator testing protocol to evaluate the fracture behavior of a toughened epoxy adhesive under mode I and mixed mode I+II loading conditions. Digital image correlation...
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Design and application of a flexible fabric transfer manipulator J. Adhes. (IF 2.2) Pub Date : 2023-11-15 Xinyu Jiang, Xu Dong, Jiawei Xu, Qingyue Li, Zijian Yin, Ningyi Yuan, Lvzhou Li, Jianning Ding
The pick-up and transfer of easily deformable multi-layer fabrics is a challenge in the automation process of the textile industry. A transfer manipulator using interfacial adhesion forces has pote...
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Investigation of the thermal strain behaviour of bonded joints in a cryogenic environment J. Adhes. (IF 2.2) Pub Date : 2023-11-18 Robert Seewald, Maximilian Bayer, Alexander Schiebahn, Uwe Reisgen
Low temperatures up to the cryogenic range represent an increasingly relevant area of application both in space travel, in the transport and storage of liquid gases and in the field of research (e....
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Heated press welding: analysis of the parameters influencing the mechanical strength of hybrid PA66/PA12 thermoplastic and S235 steel sheet joints J. Adhes. (IF 2.2) Pub Date : 2023-11-12 Thomas Fkyerat, Romain Creac’Hcadec, Franck Le Poulain, Clément Guéret
This study aims to optimize and characterize hot pressed polyamide/steel hybrid joints as a potential solution for reducing energy costs in public transport through structural lightweighting. The m...
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Durability of an adhesively bonded joint between steel ship hull and sandwich superstructure pre-exposed to saline environment J. Adhes. (IF 2.2) Pub Date : 2023-11-16 Pankaj.R. Jaiswal, Rahul Iyer Kumar, Luc Mouton, Linda Starink, Ioannis Katsivalis, Verhaeghe Cedric, Wim De Waele
This paper outlines an experimental investigation into the durability of large-scale adhesively bonded joints with a thick layer of methyl methacrylate adhesive (MMA). Ageing has been performed by ...
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Effect of exposure to UV-C rays on fire retardancy and adherence of curable polymer resins for application in disinfection chambers J. Adhes. (IF 2.2) Pub Date : 2023-11-10 Mateusz Koziol, Jakub Smoleń, Piotr Olesik, Bogusław Mendala, Tomasz Pawlik, Wiktoria Wilczyńska
This article discusses the effect of UV-C radiation on two types of cured polymer resins, epoxy and polyester, intended for use in disinfection chambers. The exposure of the samples to UV-C rays la...
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Adhesion property of municipal solid waste incinerator bottom ash and limestone with asphalt based on surface energy theory J. Adhes. (IF 2.2) Pub Date : 2023-11-08 Yongjie Ding, Wei Wei, Danni Li, Jiaojiao Wang, Yuxin Shi, Zijun Mei
The aim of this paper is to investigate the adhesion of municipal solid waste incinerator bottom ash (MSWIBA) and limestone to asphalt using the principles of surface energy theory. MSWIBA asphalt ...
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Preparation of isocyanate microcapsules by complex coacervation and its application in plywood J. Adhes. (IF 2.2) Pub Date : 2023-11-06 Yangbao Ma, Tao Wang, Xiaohui Chang, Ao Liu, Xiaona Meng, Changhui Liu, Yanhua Zhang
At present, the use of isocyanate adhesives mostly requires the assistance of solvents, which can cause adverse environmental pollution and health effects. The aqueous isocyanate avoids the shortco...
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Experimental investigation and molecular simulation on the chemical bonding between laser-treated titanium alloy amorphous surface and epoxy adhesive J. Adhes. (IF 2.2) Pub Date : 2023-11-06 Shuangshuang Li, Jianping Lin, Junying Min
Laser surface modification is employed to enhance the interfacial bonding performance of metal-adhesive structures, and chemical bonding plays a crucial role in achieving strong interfacial adhesio...
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Comparative analysis of primers and alternative polypropylene pre-treatment techniques J. Adhes. (IF 2.2) Pub Date : 2023-11-06 Henryk Szramowski, Marek Piotr Krzemiński
The test polypropylene substrates obtained from the original plastic car parts for Škoda Superb were subjected to 10 pre-treatment techniques: solvent cleaning (isopropanol, xylene), mechanical abr...
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An experimental investigation of static and fatigue behavior of various adhesive single lap joints under bending loads subjected to hygrothermal and thermal conditions J. Adhes. (IF 2.2) Pub Date : 2023-10-18 Li-Cai Zhao, Sajjad Karimi, Liang Xu
The objective of this study is to investigate the impact of hygrothermal and thermal aging on adhesive bonding joints of similar and dissimilar specimens. The research focuses on the single lap joi...
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A high-throughput technique to evaluate the probability distribution of strength of adhesively bonded joints after moisture absorption J. Adhes. (IF 2.2) Pub Date : 2023-10-19 Chao Kang, Ming Ji, Yu Sekiguchi, Masanobu Naito, Chiaki Sato
The reliability of adhesive bond strength influences the applicability of structural adhesives in industries. The statistical probability distribution of the strength of adhesive joints is an essen...
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Optimization of chitosan adhesive properties by means of genipin crosslinking J. Adhes. (IF 2.2) Pub Date : 2023-10-19 Jeanne Silvestre, Hélène de Baynast, Philippe Michaud, Cédric Delattre
Chitosan is a polysaccharide resulting from chitin deacetylation. It has demonstrated interesting characteristics in the field of adhesion but loses most of its adhesive resistance in moist environ...
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Influence of printing material moisture on part adhesion in fused filament fabrication 3D printing J. Adhes. (IF 2.2) Pub Date : 2023-10-12 D. Laumann, D. Spiehl, E. Dörsam
Fused filament fabrication plays an increasingly important role in modern manufacturing. Despite this, issues like deformations caused by thermal shrinkage are still common. These process failures,...
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Parameters influencing the temporal behavior of adhesion on the build plate in fused filament fabrication J. Adhes. (IF 2.2) Pub Date : 2023-10-12 D. Laumann, D. Spiehl, E. Dörsam
Fused filament fabrication, also known as material extrusion, is an additive manufacturing process used in many industries. Despite its widespread application, common issues like an unwanted deform...
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Numerical analysis of the effect of ice-metal interface stress singularity on bonding failure J. Adhes. (IF 2.2) Pub Date : 2023-10-02 Keyu Sun, Chengxin Wang, Lingqi Zeng, Pengchao Li, Lingsheng Han, Haibo Liu, Yongqing Wang
The formation of ice on the surface of the metallic casing of high-end equipment poses a potential threat to its operational safety and stability. One important factor that contributes to bonding f...
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Parametric investigation of bonded composite joints under Mode II using a new methodology based on design of experiments J. Adhes. (IF 2.2) Pub Date : 2023-09-13 Jailto A.P. da Silva, Lucas F.M. da Silva, António J.M. Ferreira, Volnei Tita, Ricardo De Medeiros
ABSTRACT In the pursuit of a sustainable future with limited resources and growing environmental concerns, adhesive joining stands out as a pivotal technology for the advancement of lightweight structures. This study aims to investigate the influence of various variables on the critical strain energy release rate in mode II (GIIc) for End-Notched Flexure (ENF) bonded composite joints, employing a new
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Debonding-on-demand Fe3O4-epoxy adhesively bonded dissimilar joints via electromagnetic induction heating J. Adhes. (IF 2.2) Pub Date : 2023-09-13 Hasan Caglar, Y. Altay Aksoy, Sridhar Idapalapati, Baris Caglar, Mohit Sharma, Chian Kerm Sin
ABSTRACT We investigated the debonding on-demand (DoD) of adhesively bonded hybrid dissimilar joints by applying electromagnetic induction heating to the joint overlap section, wherein the epoxy resin is reinforced with iron oxide (Fe3O4) particles. Ti-6Al-4 V adherends were bonded with CFRP or GFRP adherends using neat/modified epoxy adhesive. DoD tests revealed that eddy current heating of Ti-6Al-4 V
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Methodology for evaluating the mechanical performances of a bonded assembly through complementary mechanical tests J. Adhes. (IF 2.2) Pub Date : 2023-09-08 Justine Layec, Florence Ansart, Sandrine Duluard, Viviane Turq, Maëlenn Aufray, Marie-Pierre Labeau
ABSTRACT Bifunctional polymers have been studied as bonding layers (BL) on aluminum surfaces to promote adhesion of adhesives for structural bonding applications. The BL are located at the interface between the aluminum substrate and the adhesive. The mechanical performances of the BL in a bonded assembly were evaluated via several complementary mechanical tests, before and after ageing cycle: single
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Αn efficient numerical model for the simulation of debonding of adhesively bonded titanium/CFRP samples induced by repeated symmetric laser shocks J. Adhes. (IF 2.2) Pub Date : 2023-09-05 Panagiotis Kormpos, Konstantinos Tserpes
ABSTRACT Novel engine fan blades are made of 3D woven composite materials and incorporate a protective metallic layer at the leading edge. The end-of-life of such structures involves complicated disassembly and recycling processes. In this paper, laser-shock is being investigated as an environmentally friendly disassembly method. In this context, symmetric laser-shock experiments that have been conducted
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Effect of bonding area geometry on the behavior of composite single lap joints (SLJ) and estimation of adhesive properties using finite element method J. Adhes. (IF 2.2) Pub Date : 2023-08-27 M. Abbasi, R. Ciardiello, L. Goglio
ABSTRACT In this study, the mechanical behavior of Single Lap Joints (SLJ) subjected to tensile loading was investigated both experimentally and numerically by considering different SLJ sizes including adherend thickness (T:0.88, 1.76, 3.52 mm), joint width (W:10, 20, 30 mm), and overlap length (L:10, 20 mm). A polyurethane adhesive and carbon fiber composite adherends were used for the experimental
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Effect of combination of microstructure and surface treatment on shear strength of precision bonded joints J. Adhes. (IF 2.2) Pub Date : 2023-08-13 Haojie Yin, Jianhua Liu, Huanxiong Xia, Lei Guo, Xiaohui Ao, Juncheng Luo, Ye Yang
ABSTRACT To improve the bonding strength of precision adhesive joints, mechanical and electrochemical surface treatments were combined to modify the original bonding surfaces. Microgrooves with different aspect ratios were manufactured on aluminum-alloy surfaces and phosphoric acid anodizing (PAA) was then applied to the surfaces. Wettability, shear strength, and fracture morphology were tested and
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Determination of Toughness Variation and Cohesive Zone Parameters for De-bonding of Adhesively Bonded PMMA and Steel Using the Shaft-loaded Blister Test J. Adhes. (IF 2.2) Pub Date : 2023-08-10 Sakshi Devi, Supratik Mukhopadhyay, Venkitanarayanan Parameswaran
ABSTRACT In this work, the shaft-loaded blister test (SLBT) is employed to investigate the de-bonding of a poly-metha-methyl-acrylate (PMMA) layer adhesively bonded to a steel layer. During de-bonding, the mode-mixity does not remain constant in this test; hence, the variation of mode-mixity with the change in de-bond size (blister radius) and the out-of-plane displacement of the PMMA layer is established
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Adhesion properties of the hybrid system made of laser-structured aluminium EN AW 6082 and CFRP by co-bonding-pressing process J. Adhes. (IF 2.2) Pub Date : 2023-08-10 Shuang Wu, Alexander Delp, Jonathan Freund, Frank Walther, Jan Haubrich, Miriam Löbbecke, Thomas Tröster
ABSTRACT A parameter investigation for manufacturing a hybrid system through the prepreg pressing process was carried out within the scope of this work to achieve optimal adhesion properties. The hybrid specimen comprises an aluminium sheet of alloy EN AW 6082 in T6 condition and a thermoset Carbon Fibre Reinforced Plastics prepreg. The prepreg pressing process allows the curing reaction of epoxy resin
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Analyzing Deformation of a Cationic Photopolymerized Epoxy Adhesive during the Curing Process in UV Irradiation and Dark Reaction based on Finite Element Method and Measurement J. Adhes. (IF 2.2) Pub Date : 2023-07-21 A. Takahashi, Y. Sekiguchi, N. Taki, M. Okamura, C. Sato
ABSTRACT In the manufacturing of optical products, precise adjustments are made to maintain the optical axis alignment of optical components, which are then securely positioned using adhesives. To achieve positional accuracy at the micron level, it is essential to comprehend the deformation of the adhesive joint over time during processing. This study focuses on investigating the displacement of optical
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Development of LaSAT and bonding strength evaluation of epoxy adhesive over a wide range of loading rates J. Adhes. (IF 2.2) Pub Date : 2023-07-14 Aoi Takagi, Yoshikatsu Kimoto, Akihiro Shinozaki, Hiroyuki Yamada, Tomohisa Kojima, Akio Yonezu
ABSTRACT This study improved laser shock-wave adhesion test (LaSAT) to evaluate the bonding strength of an aluminum alloy/epoxy resin adhesive, since the bonding strength is dependent on loading rate. In this method, strong shock wave due to laser ablation induces interfacial fracture, and the critical stress is computed using numerical simulations of the FEM. To accurately evaluate the bonding strength