International Journal of Adhesion and Adhesives最新文献

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Effectiveness of surface treatments on tooth–base bonding in conventional and 3D-printed dentures: A systematic review of in vitro studies 表面处理对传统和3d打印义齿牙基结合的有效性:体外研究的系统回顾
IF 3.5 3区 材料科学
International Journal of Adhesion and Adhesives Pub Date : 2026-01-01 Epub Date: 2025-11-02 DOI: 10.1016/j.ijadhadh.2025.104190
Victor de Melo-Soares , Alessandra Rodrigues de Sousa , Andréa Cândido dos Reis , Mariana Lima da Costa Valente
{"title":"Effectiveness of surface treatments on tooth–base bonding in conventional and 3D-printed dentures: A systematic review of in vitro studies","authors":"Victor de Melo-Soares ,&nbsp;Alessandra Rodrigues de Sousa ,&nbsp;Andréa Cândido dos Reis ,&nbsp;Mariana Lima da Costa Valente","doi":"10.1016/j.ijadhadh.2025.104190","DOIUrl":"10.1016/j.ijadhadh.2025.104190","url":null,"abstract":"<div><h3>Research question</h3><div>Adhesion between the base and artificial teeth in 3D-printed prostheses is limited by physicochemical disparities, which may compromise bond strength and lead to failure. Developing strategies to enhance this adhesion is crucial to improve mechanical performance and clinical success of digitally fabricated prostheses. The research question was: How effective are different surface treatments in improving the bond strength between prefabricated and 3D-printed denture teeth and denture base resins compared to conventional denture base resins?</div></div><div><h3>Material and methods</h3><div>This review followed the Preferred Reporting Items for Systematic Reviews and Meta-Analysis (PRISMA) and was registered at osf.io/mqncf. Literature searches were conducted across five databases (PubMed, Embase, ScienceDirect, Web of Science, Scopus) and two sources of non-peer-reviewed literature (Google Scholar and ProQuest). The RoBDEMAT tool was applied to assess the risk of bias in the included studies.</div></div><div><h3>Results</h3><div>A total of 449 articles were identified, after removing duplicates, 339 titles and abstracts were screened, 18 were assessed in full, and 7 were included in the review. The highest shear bond strength was achieved with combined chemical and thermal treatment (24.49 ± 0.91 MPa), outperforming particle blasting (16.17 ± 1.30 MPa) and no treatment (13.73 ± 1.15 MPa). Blasting, however, showed better performance (5.71 ± 1.47 MPa) than chemical treatment alone (2.87 ± 0.44 MPa). Despite methodological variations, mechanical, chemical, and thermal treatments, applied individually or in combination, can enhance resin bonding. Bond strength was lower when combining printed and prefabricated components compared to fully printed parts.</div></div><div><h3>Conclusions</h3><div>Mechanical and chemical surface treatments effectively improve the bond strength between denture teeth and 3D-printed denture base resins. Enhancements in surface roughness, surface energy, and chemical interactions were associated with stronger adhesion.</div></div>","PeriodicalId":13732,"journal":{"name":"International Journal of Adhesion and Adhesives","volume":"144 ","pages":"Article 104190"},"PeriodicalIF":3.5,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145463758","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Automating thermal ageing and tensile tests for single lap joints 自动化单搭接热老化和拉伸试验
IF 3.5 3区 材料科学
International Journal of Adhesion and Adhesives Pub Date : 2026-01-01 Epub Date: 2025-10-30 DOI: 10.1016/j.ijadhadh.2025.104198
Kazumasa Shimamoto, Takaya Inoue, Don N. Futaba, Haruhisa Akiyama, Woosuck Shin
{"title":"Automating thermal ageing and tensile tests for single lap joints","authors":"Kazumasa Shimamoto,&nbsp;Takaya Inoue,&nbsp;Don N. Futaba,&nbsp;Haruhisa Akiyama,&nbsp;Woosuck Shin","doi":"10.1016/j.ijadhadh.2025.104198","DOIUrl":"10.1016/j.ijadhadh.2025.104198","url":null,"abstract":"<div><div>Structural adhesive joints require high reliability. Thus, it is essential to bond the adherend under “bonding conditions” that can provide the required performance, including not only the initial properties but also changes over time. However, as the bonding conditions are dependent on multiple factors, the optimisation is complex. To address this multivariate problem, we constructed an experimental system that can autonomously search for the optimum “bonding conditions”. As a first step, the automation of thermal ageing and tensile tests for the characterisation of bonded joints was investigated. This was achieved using an automated testing system combining serial-link articulated robots, ovens, and tensile-testing machines. The effects of curing temperature and curing time on the initial strength were investigated experimentally, and the optimum curing conditions and the change in residual strength over time by thermal ageing were verified.</div></div>","PeriodicalId":13732,"journal":{"name":"International Journal of Adhesion and Adhesives","volume":"144 ","pages":"Article 104198"},"PeriodicalIF":3.5,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145463757","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Castor oil-based polyurethane sealant for road crack repair: An experimental study of durability 道路裂缝修补用蓖麻油基聚氨酯密封胶耐久性试验研究
IF 3.5 3区 材料科学
International Journal of Adhesion and Adhesives Pub Date : 2026-01-01 Epub Date: 2025-10-24 DOI: 10.1016/j.ijadhadh.2025.104193
Zhongbao Shi , Jiajun Ji , Xiaosong Liu , Jia Sun , Zengping Zhang
{"title":"Castor oil-based polyurethane sealant for road crack repair: An experimental study of durability","authors":"Zhongbao Shi ,&nbsp;Jiajun Ji ,&nbsp;Xiaosong Liu ,&nbsp;Jia Sun ,&nbsp;Zengping Zhang","doi":"10.1016/j.ijadhadh.2025.104193","DOIUrl":"10.1016/j.ijadhadh.2025.104193","url":null,"abstract":"<div><div>With the increase of service life, cracks have become a typical disease of pavement structure. Embedding sealants into cracks is one of the most widely used and cost-effective treatment methods. In recent years, polyurethane (PU) sealant has been gradually used to repair pavement cracks due to its excellent high and low temperature performance, strong adhesion properties and room temperature construction. However, the durability of PU sealant has not been systematically verified compared with that of traditional pavement sealant, which limits its popularization. Therefore, in this study, a castor oil-based PU sealant was prepared by a two-step method, and its durability was comprehensively analyzed in combination with self-designed mechanical property tests considering age (7d, 14d, 21d, 28 d, 60d, and 90d), storage stability tests and weatherability tests. The results showed that the mechanical properties of the sealant were always maintained at a high level with the increase of age. In three months, the tensile strength, elongation at break, bond strength, and hardness of the PU sealant increased from 1.19 MPa, 102.19 %, 1.08 MPa, and 49 HA to 2.33 MPa, 165.33 %, 1.33 MPa, and 55 HA, respectively. In addition, when the storage time reached 21-28d, the construction performance and mechanical properties of the sealant reached the best. Finally, the PU sealant showed excellent low temperature resistance, water resistance and UV aging resistance, but the high temperature resistance is slightly insufficient. Overall, the PU sealant has excellent durability and can meet the current demand for long-life road construction.</div></div>","PeriodicalId":13732,"journal":{"name":"International Journal of Adhesion and Adhesives","volume":"144 ","pages":"Article 104193"},"PeriodicalIF":3.5,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145360507","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A joint effort: Probabilistic methods for hybrid joint strength prediction 联合努力:混合接头强度预测的概率方法
IF 3.5 3区 材料科学
International Journal of Adhesion and Adhesives Pub Date : 2025-12-01 Epub Date: 2025-09-14 DOI: 10.1016/j.ijadhadh.2025.104156
Tobias Evers , Philipp Richter , Till Vallée , Koichi Yokozeki , Marc Aurel Viehöfer
{"title":"A joint effort: Probabilistic methods for hybrid joint strength prediction","authors":"Tobias Evers ,&nbsp;Philipp Richter ,&nbsp;Till Vallée ,&nbsp;Koichi Yokozeki ,&nbsp;Marc Aurel Viehöfer","doi":"10.1016/j.ijadhadh.2025.104156","DOIUrl":"10.1016/j.ijadhadh.2025.104156","url":null,"abstract":"<div><div>This study investigates the strength prediction of hybrid joints that combine adhesive bonding with mechanical fasteners using probabilistic methods, focusing on four cold-curing adhesives: DP460, SW7240, SF479, and S370, which exhibit varying mechanical properties and performance outcomes; experimental results reveal that DP460 has the highest average joint strength at 329.4 ± 19.1 kN, while SF479 shows the lowest at 286.2 ± 42.7 kN, highlighting the significant influence of adhesive properties on load-bearing capacity. Previous studies had shown that the strength of hybrid joints was governed mainly by the adhesive's E-modulus, whereas bulk tensile strength dominated in single-lap bonded joints, indicating different failure mechanisms. A statistical analysis on the strength expressed in terms of hydrostatic pressure and maximum principal stress using Weibull distributions quantifies the variability in adhesive strength and predicts failure probabilities under non-uniform stress distributions, indicating that the bilinear failure criterion enhances prediction accuracy, particularly for adhesives like SW7240 and SF479, which demonstrate complex failure behaviours. Predictions versus experimental load capacities show that a linear failure criterion combined with a two-parameter Weibull distribution generally provides reasonable predictions with deviations of +1 % to +15 %, while the bilinear criterion can underestimate strengths for epoxies by up to 24 % and overestimate for elastoplastic materials like SF479. The study also addresses scatter in strength predictions, finding that the two-parameter Weibull distribution underestimates the lower bound (AVG – 1 × SD) by about 10 % and overestimates the upper bound (AVG + 1 × SD) by 18 %, with scatter analysis revealing that the probabilistic approach effectively captures variability in failure behaviour, despite challenges in maintaining consistent sample geometry and stress distributions, particularly in off-axis specimens. The study highlighted the need for accurate measurement of adhesive thickness and bolt pretension, showing that the probabilistic dimensioning method reliably predicted joint performance without empirical adjustments. It underscored the decisive role of adhesive properties and failure criteria, demonstrating that probabilistic methods improve load and failure predictions while supporting more reliable hybrid joint designs in engineering applications.</div></div>","PeriodicalId":13732,"journal":{"name":"International Journal of Adhesion and Adhesives","volume":"143 ","pages":"Article 104156"},"PeriodicalIF":3.5,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145099924","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Numerical damage analysis using FGA-USDFLD based on functionally graded cohesive zone modeling concept for bonded composite patch repairs 基于功能梯度内聚区建模概念的FGA-USDFLD粘结复合材料修补损伤数值分析
IF 3.5 3区 材料科学
International Journal of Adhesion and Adhesives Pub Date : 2025-12-01 Epub Date: 2025-09-02 DOI: 10.1016/j.ijadhadh.2025.104137
M.W. Harmel , K. Zouggar , M. Jalalvand , B.B. Bouiadjra , R. Mhamdia , M. Baghdadi
{"title":"Numerical damage analysis using FGA-USDFLD based on functionally graded cohesive zone modeling concept for bonded composite patch repairs","authors":"M.W. Harmel ,&nbsp;K. Zouggar ,&nbsp;M. Jalalvand ,&nbsp;B.B. Bouiadjra ,&nbsp;R. Mhamdia ,&nbsp;M. Baghdadi","doi":"10.1016/j.ijadhadh.2025.104137","DOIUrl":"10.1016/j.ijadhadh.2025.104137","url":null,"abstract":"<div><div>Through the present work, a numerical model was established to simulate the damage of repaired 2024T3 and AA5083 aluminum structures with a bonded CFRP composite patch. The methodology employs a functionally graded cohesive zone modeling (FG-CZM) approach, characterized by the triangular traction-separation law, and implemented via a USDFLD subroutine to analyze the adhesive stresses leading to damage, debonding, and study the interactions between the patch and the adhesive. Additionally, the extended finite element method (XFEM) was incorporated to simulate and track the cracks growth in the plate. Both mono-modulus adhesives, namely, Adekit A140 and Araldite AV138 as well as functionally graded adhesives (FGA), was simulated. The models were validated against experimental and numerical data, demonstrating that FGA improved the load transfer and extended the service life of repairs, enhancing reliability. Moreover, the new concept of FG-CZM, provided a realistic representation of how gradation concept and volumetric fraction indices interact to affect debonding and crack initiation in the plate. Ultimately, a comparative study of adherends under identical repair conditions was conducted highlighting the significance of material properties on repair performance.</div></div>","PeriodicalId":13732,"journal":{"name":"International Journal of Adhesion and Adhesives","volume":"143 ","pages":"Article 104137"},"PeriodicalIF":3.5,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145020556","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Numerical failure load analysis and prediction (ANN technique) of AA2014 adhesively bonded single lap joint: An experimental validation AA2014胶结单搭接接头失效载荷数值分析与预测(ANN技术):实验验证
IF 3.5 3区 材料科学
International Journal of Adhesion and Adhesives Pub Date : 2025-12-01 Epub Date: 2025-09-16 DOI: 10.1016/j.ijadhadh.2025.104157
Naveen Kumar Akkasali , Sandhyarani Biswas , Sujit Sen , Anitha S
{"title":"Numerical failure load analysis and prediction (ANN technique) of AA2014 adhesively bonded single lap joint: An experimental validation","authors":"Naveen Kumar Akkasali ,&nbsp;Sandhyarani Biswas ,&nbsp;Sujit Sen ,&nbsp;Anitha S","doi":"10.1016/j.ijadhadh.2025.104157","DOIUrl":"10.1016/j.ijadhadh.2025.104157","url":null,"abstract":"<div><div>The present investigation focuses on the failure load analysis of adhesively bonded single lap joints (SLJs) and the prediction of failure load using machine learning artificial neural network (ANN) tool. Initially, a numerical model was developed in the ABAQUS simulation software, and the correctness of the numerical model in computing the failure load was verified with the available data in the literature. The obtained numerical results are experimentally verified by conducting experiments on aerospace-graded aluminium alloy (AA2014) adherends joined with epoxy based adhesive bonded joints. The research also examines the effect of hybrid surface treatment (chemical and mechanical) on the failure load and failure mechanism of adhesively bonded joints. The influence of adhesive thickness and overlap length on bonded joints failure load and shear strength are studied experimentally. The verified numerical model is extended to generate the 54 datasets by varying the geometrical parameters (i.e., overlapping length, adhesive thickness, and adherend thickness) of the bonded joint. The ANN architecture has been confirmed by executing the model with the experimental data available from the literature, and its functions are verified by performing an Ablation study. The generated data set is trained to the verified ANN model and predicts the failure load for unknown geometrical parameters. Lastly, the ANN-predicted failure load is experimentally validated with the desired geometrical parameters of adhesively bonded SLJ.</div></div>","PeriodicalId":13732,"journal":{"name":"International Journal of Adhesion and Adhesives","volume":"143 ","pages":"Article 104157"},"PeriodicalIF":3.5,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145099408","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A contribution to the mechanistic understanding of the improvement of the delamination resistance of adhesives on steel by grit-blasting 对喷砂提高钢表面胶粘剂抗分层性能机理的认识有贡献
IF 3.5 3区 材料科学
International Journal of Adhesion and Adhesives Pub Date : 2025-12-01 Epub Date: 2025-09-09 DOI: 10.1016/j.ijadhadh.2025.104147
Lukas Ruhm , Vanessa Neßlinger , Roman Becker , Gerson Meschut , Guido Grundmeier
{"title":"A contribution to the mechanistic understanding of the improvement of the delamination resistance of adhesives on steel by grit-blasting","authors":"Lukas Ruhm ,&nbsp;Vanessa Neßlinger ,&nbsp;Roman Becker ,&nbsp;Gerson Meschut ,&nbsp;Guido Grundmeier","doi":"10.1016/j.ijadhadh.2025.104147","DOIUrl":"10.1016/j.ijadhadh.2025.104147","url":null,"abstract":"<div><div>Grit-blasting of structural steel S355 was shown to inhibit the corrosive delamination of epoxy adhesives. Grit-blasted and polished steel surfaces were comparatively analyzed to provide deeper insights into the effects of the different surface states. The chemical, morphological, and electrochemical property changes of the steel surfaces were investigated using X-ray photoelectron spectroscopy (XPS), field emission scanning electron microscopy (FE-SEM), linear sweep voltammetry (LSV), and electrochemical impedance spectroscopy (EIS). The comprehensive analysis revealed a modified chemical composition of the surface layer, and an increased surface area after grit-blasting. Peel-tests of the free-standing adhesive films showed significantly higher wet-adhesion forces on the grit-blasted surface, mainly due to mechanical interlocking. Although the grit-blasted surface shows higher corrosion current densities in chloride-containing electrolytes, the cathodic delamination kinetics for epoxy-coated substrates are drastically reduced in comparison to the solely polished surface. Overall, the results show that the corrosive delamination strongly depends on the wet-adhesion of the adhesive film. Grit-blasting in combination with a low-viscosity epoxy adhesive is therefore an excellent on-site surface treatment before adhesive joining.</div></div>","PeriodicalId":13732,"journal":{"name":"International Journal of Adhesion and Adhesives","volume":"143 ","pages":"Article 104147"},"PeriodicalIF":3.5,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145047570","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of tannic acid on the mechanical property, bonding strength and antibacterial ability of dental resin adhesives 单宁酸对牙用树脂胶粘剂力学性能、粘接强度及抗菌性能的影响
IF 3.5 3区 材料科学
International Journal of Adhesion and Adhesives Pub Date : 2025-12-01 Epub Date: 2025-10-16 DOI: 10.1016/j.ijadhadh.2025.104177
Hongxia Zhang, Jiahui Huang, Ruiqiang Hang, Yueyue Wang
{"title":"Effect of tannic acid on the mechanical property, bonding strength and antibacterial ability of dental resin adhesives","authors":"Hongxia Zhang,&nbsp;Jiahui Huang,&nbsp;Ruiqiang Hang,&nbsp;Yueyue Wang","doi":"10.1016/j.ijadhadh.2025.104177","DOIUrl":"10.1016/j.ijadhadh.2025.104177","url":null,"abstract":"<div><div>Improving the antimicrobial properties of dental adhesives can effectively inhibit secondary caries, but the development of dental adhesives that combine good antimicrobial activity, high mechanical strength, excellent bonding properties, and favorable biocompatibility remains a major challenge. Herein, we report that dental resin adhesives with antibacterial ability and superior comprehensive performance could be obtained by simply introducing a natural polyphenolic antibacterial agent tannic acid (TA) into them. Different mass fractions (1, 5, 10, 15, and 20 wt%) of TA were added into the dental adhesives, and the mechanical properties, adhesive performance, antibacterial activity, and biocompatibility of the prepared adhesives were evaluated. Fourier transform infrared spectroscopy (FTIR) results revealed strong interactions between TA and the adhesive matrix, which consequently enhanced the mechanical performance of the adhesives. TA promoted the penetration of the adhesives into the dentinal tubules, thereby increased the bonding strength of them. Antibacterial experiments exhibited that the antimicrobial activity of the bonding agents increased with the increase of the TA contents. Moreover, when the content of TA exceeded 10 wt%, the antimicrobial rate of the specimens remained more than 80 % after two weeks of immersion in deionized water, demonstrating the long-lasting antimicrobial performance of TA. Meanwhile, the introduction of TA significantly enhanced the biocompatibility of the adhesives. This study presents a new approach for developing dental adhesives with long-lasting antimicrobial effect, high bonding strength, and good biocompatibility, which holds great clinical value in reducing the risk of recurrent caries and extending the lifespan of resin restorations.</div></div>","PeriodicalId":13732,"journal":{"name":"International Journal of Adhesion and Adhesives","volume":"143 ","pages":"Article 104177"},"PeriodicalIF":3.5,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145324827","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An experimental study on the tensile properties of metal-metal and polymer-metal T-joints grooved-bonded with structural adhesive 金属-金属及聚合物-金属t形接头结构胶槽粘合拉伸性能试验研究
IF 3.5 3区 材料科学
International Journal of Adhesion and Adhesives Pub Date : 2025-12-01 Epub Date: 2025-09-25 DOI: 10.1016/j.ijadhadh.2025.104168
Nahit Öztoprak , Gökçe Mehmet Gençer
{"title":"An experimental study on the tensile properties of metal-metal and polymer-metal T-joints grooved-bonded with structural adhesive","authors":"Nahit Öztoprak ,&nbsp;Gökçe Mehmet Gençer","doi":"10.1016/j.ijadhadh.2025.104168","DOIUrl":"10.1016/j.ijadhadh.2025.104168","url":null,"abstract":"<div><div>In order to improve the reliability and stability of out-of-plane joints, this study focuses on scrutinizing the surface characterization, mechanical properties and fracture response of similar and dissimilar adhesively-bonded T-joints which are very susceptible against tensile loading. Connections are manufactured in four different configurations: Al/Al, modified Al/Al, PA6/Al, and PA6-30GF/Al. Surface modification through the laser ablation treatment is applied to the vertical part and skin of AA7075 to increase the joint strength of similar joints. Fracture morphology analysis is performed to gain insight into the failure mechanisms. The experimental results indicate a substantial increase of approximately 27 % in the load-bearing capacity at the joint interface of Al-Al configuration due to the laser microtexturing. Furthermore, with the application of laser processing patterns, damage of the similar joints is transformed from mixed-mode failure (adhesion/cohesion failure) to cohesion failure at laser-treated surfaces. For dissimilar joints, PA6-30GF/Al joint with thin-film cohesive failure shows superior performance compared to PA6/Al connection with mixed-mode failure. The composite/metal connection offers a 38 % greater maximum load under the same conditions.</div></div>","PeriodicalId":13732,"journal":{"name":"International Journal of Adhesion and Adhesives","volume":"143 ","pages":"Article 104168"},"PeriodicalIF":3.5,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145217857","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analytical model of the double-sided adhesively bonded scarf and stepped CFRP lap joint specimen under tensile loading 受拉荷载作用下双面胶结带-阶梯式CFRP搭接试件的分析模型
IF 3.5 3区 材料科学
International Journal of Adhesion and Adhesives Pub Date : 2025-12-01 Epub Date: 2025-09-16 DOI: 10.1016/j.ijadhadh.2025.104152
Hetram Sonwani , M. Ramji , Sai Sidhardh
{"title":"Analytical model of the double-sided adhesively bonded scarf and stepped CFRP lap joint specimen under tensile loading","authors":"Hetram Sonwani ,&nbsp;M. Ramji ,&nbsp;Sai Sidhardh","doi":"10.1016/j.ijadhadh.2025.104152","DOIUrl":"10.1016/j.ijadhadh.2025.104152","url":null,"abstract":"<div><div>This study aims to develop analytical models to investigate the mechanical behavior of adhesively bonded joints in double-sided scarf and double-sided stepped-lap configurations under tensile loads. More specifically, an analytical model is developed to analyze the stiffness and peak/failure load of these joint configurations connecting carbon fiber-reinforced polymer (CFRP) with <span><math><msub><mrow><mrow><mo>[</mo><mn>0</mn><mo>]</mo></mrow></mrow><mrow><mn>16</mn></mrow></msub></math></span> for uni-directional (UD) and <span><math><msub><mrow><mrow><mo>[</mo><mn>45</mn><mo>/</mo><mo>−</mo><mn>45</mn><mo>/</mo><mn>0</mn><mo>/</mo><mn>90</mn><mo>]</mo></mrow></mrow><mrow><mn>2</mn><mi>s</mi></mrow></msub></math></span> for quasi-isotropic (QI) adherends. The novelty of the analytical framework lies in the energy-based approach employed in its development, making it suitable for extension to complex geometries of adhesive joints and material properties of adherends. More clearly, the 1D reduced order, linear elastic framework developed here is capable of predicting the stiffness and the failure load of the adhesive joints connecting different laminate sequences with excellent accuracy. This validation is established by a comparison of the mechanical behavior predicted by the analytical model with 3D finite element (FE) simulations and experimental studies. Detailed comparisons of the global (structural) response via load–displacement curves and localized strain distributions are carried out to establish the efficacy of the model in predicting the peak loads and critical points for disbond failure of adhesive joints. The high-fidelity analytical model serves as a valuable tool for the design of improvements in double-sided adhesive joints for use in the repair of damaged composite structures. Some design recommendations are offered here towards appropriate choices for geometry and material properties of the repair patch towards the realization of desired strength and stiffness of the repaired/joined structures.</div></div>","PeriodicalId":13732,"journal":{"name":"International Journal of Adhesion and Adhesives","volume":"143 ","pages":"Article 104152"},"PeriodicalIF":3.5,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145099407","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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