Journal of Advanced Joining Processes最新文献

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Corrigendum to “Exploring Wire-Arc Additive Manufactured Rivets for Joining Hybrid Electrical Busbars” “探索用于连接混合电母线的线弧添加剂制造铆钉”的勘误表
IF 3.8
Journal of Advanced Joining Processes Pub Date : 2025-06-01 DOI: 10.1016/j.jajp.2025.100291
Pedro M.S. Rosado , Rui F.V. Sampaio , João P.M. Pragana , Nuno M.S. Pereira , Ivo M.F. Bragança , Carlos M.A. Silva , Paulo A.F. Martins
{"title":"Corrigendum to “Exploring Wire-Arc Additive Manufactured Rivets for Joining Hybrid Electrical Busbars”","authors":"Pedro M.S. Rosado , Rui F.V. Sampaio , João P.M. Pragana , Nuno M.S. Pereira , Ivo M.F. Bragança , Carlos M.A. Silva , Paulo A.F. Martins","doi":"10.1016/j.jajp.2025.100291","DOIUrl":"10.1016/j.jajp.2025.100291","url":null,"abstract":"","PeriodicalId":34313,"journal":{"name":"Journal of Advanced Joining Processes","volume":"11 ","pages":"Article 100291"},"PeriodicalIF":3.8,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144261827","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Enhancement of mechanical properties of thermite heat assisted friction stir welded aluminium bronze alloy (C95300) by eliminating tunnel defect 消除隧道缺陷提高铝热辅助搅拌摩擦焊铝青铜合金(C95300)的力学性能
IF 3.8
Journal of Advanced Joining Processes Pub Date : 2025-06-01 DOI: 10.1016/j.jajp.2025.100317
Tamil Prabakaran S , Sudha J , Siva S , Balamurali Duraivel , Vivekananda A S
{"title":"Enhancement of mechanical properties of thermite heat assisted friction stir welded aluminium bronze alloy (C95300) by eliminating tunnel defect","authors":"Tamil Prabakaran S ,&nbsp;Sudha J ,&nbsp;Siva S ,&nbsp;Balamurali Duraivel ,&nbsp;Vivekananda A S","doi":"10.1016/j.jajp.2025.100317","DOIUrl":"10.1016/j.jajp.2025.100317","url":null,"abstract":"<div><div>Thermite Heat-Assisted Friction Stir Welding (THAFSW) is recognized as an efficient welding method for joining aluminium bronze (AB) alloys. The mechanical and metallurgical characteristics of the welded joints were analyzed and compared with those fabricated using the conventional friction stir welding (CFSW) technique. Tensile strength and hardness assessments of the welded specimens were conducted at ambient temperature. The findings revealed that the THAFSW joints exhibited superior mechanical properties, with tensile strength and elongation improving by 11 % and 25 %, respectively, compared to joints produced through the conventional approach. The strengthening mechanism of the welded joints was examined based on images captured through macroscopy, optical microscopy, scanning electron microscopy (SEM), and transmission electron microscopy (TEM). The THAFSW process effectively eliminated tunnel defects and facilitated the development of a uniform α-phase microstructure, which contributed to enhanced mechanical performance.</div></div>","PeriodicalId":34313,"journal":{"name":"Journal of Advanced Joining Processes","volume":"11 ","pages":"Article 100317"},"PeriodicalIF":3.8,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144189935","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A comprehensive review on the integration of artificial intelligence in friction stir welding for monitoring, modelling, and process optimization 人工智能在搅拌摩擦焊监测、建模和工艺优化中的应用综述
IF 3.8
Journal of Advanced Joining Processes Pub Date : 2025-06-01 DOI: 10.1016/j.jajp.2025.100316
Mostafa Akbari , Ezatollah Hassanzadeh , Yaghuob Dadgar Asl , Amirhossein Moghanian
{"title":"A comprehensive review on the integration of artificial intelligence in friction stir welding for monitoring, modelling, and process optimization","authors":"Mostafa Akbari ,&nbsp;Ezatollah Hassanzadeh ,&nbsp;Yaghuob Dadgar Asl ,&nbsp;Amirhossein Moghanian","doi":"10.1016/j.jajp.2025.100316","DOIUrl":"10.1016/j.jajp.2025.100316","url":null,"abstract":"<div><div>Recent advancements in artificial intelligence (AI) technologies have expanded their applications across various industrial environments, particularly in the field of Friction Stir Welding (FSW), a relatively modern manufacturing technique. AI techniques are primarily employed for modeling, monitoring, optimization, and management of complex systems influenced by multiple parameters within industrial processes. This study systematically reviews and evaluates commonly utilized AI techniques in FSW, highlighting their effectiveness, accuracy, and comparative advantages. The discussion is organized into three distinct sections, each focusing on the critical roles of AI and machine learning (ML) in FSW. The first section addresses process prediction, showcasing how AI techniques predict welding outcomes using historical data and process parameters, which enhances decision-making prior to actual implementation. The second section examines process control, emphasizing how AI systems enable real-time monitoring and adaptive control of the welding process. This functionality allows for immediate parameter adjustments, thus significantly improving weld consistency and quality by minimizing defects. Lastly, the third section pertains to the optimization of FSW parameters, illustrating how AI-driven algorithms analyze complex interactions among multiple variables to determine the most effective process settings. By adopting this structured approach, the review articulates the comprehensive benefits of integrating AI into the friction stir welding process, ultimately contributing to enhanced joint quality and improved operational efficiency.</div></div>","PeriodicalId":34313,"journal":{"name":"Journal of Advanced Joining Processes","volume":"11 ","pages":"Article 100316"},"PeriodicalIF":3.8,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144189936","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Regulating intermetallic compound growth and bridging in SnAg solder under electromigration stress through Ni addition and sn crystallographic orientation-grain size 通过添加Ni和sn晶粒取向调节电迁移应力下SnAg焊料中金属间化合物的生长和桥接
IF 3.8
Journal of Advanced Joining Processes Pub Date : 2025-06-01 DOI: 10.1016/j.jajp.2025.100320
Dinh-Phuc Tran, Ya-Ting Xiao, Mai-Phuong La, Shi-Chi Yang, Chih Chen
{"title":"Regulating intermetallic compound growth and bridging in SnAg solder under electromigration stress through Ni addition and sn crystallographic orientation-grain size","authors":"Dinh-Phuc Tran,&nbsp;Ya-Ting Xiao,&nbsp;Mai-Phuong La,&nbsp;Shi-Chi Yang,&nbsp;Chih Chen","doi":"10.1016/j.jajp.2025.100320","DOIUrl":"10.1016/j.jajp.2025.100320","url":null,"abstract":"<div><div>As semiconductor devices scale down, electromigration (EM) failures in interconnects become more severe, requiring effective under-bump metallization (UBM) strategies. Herein, we investigated EM failures correlated with the development of intermetallic compounds (IMCs) in two UBM structures (Cu/SnAg/Cu and Cu/SnAg/Ni/Cu). Results showed that the Ni layer resulted in thinner IMCs. It acted as a diffusion barrier, which effectively suppressed IMC growth. We also found that the IMC formation in both solder structures was significantly influenced by the Sn grain orientation. A lower <em>c</em>-axis angle of beta-Sn to EM flow associated with faster IMC formation. Sn grain size also impacted IMC growth, with larger grains resulting in slower IMC formation as a result of the reduced grain boundary density. In addition, the IMC bridging phenomenon was observed in the joints. It was found that IMC bridging occurred less frequently in Ni UBM solder joints compared to Cu/SnAg/Cu counterparts. Such a difference could be attributed to the lower solubility of Ni in Sn compared to Cu. The Ni served as a barrier, which limited the Ni dissolution into the Sn solder. It suppressed the IMC formation/growth, thereby reducing the IMC bridging probability in the Cu/SnAg/Ni/Cu joints.</div></div>","PeriodicalId":34313,"journal":{"name":"Journal of Advanced Joining Processes","volume":"11 ","pages":"Article 100320"},"PeriodicalIF":3.8,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144212411","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Prediction of shrink lines in powder bed fusion of metals using a laser beam by means of a finite element simulation approach 用有限元模拟方法预测金属粉末床熔合过程中的收缩线
IF 3.8
Journal of Advanced Joining Processes Pub Date : 2025-06-01 DOI: 10.1016/j.jajp.2025.100315
Dominik Rauner, Niklas Eilers, Hannes Panzer, Lukas Frei, Michael F. Zaeh
{"title":"Prediction of shrink lines in powder bed fusion of metals using a laser beam by means of a finite element simulation approach","authors":"Dominik Rauner,&nbsp;Niklas Eilers,&nbsp;Hannes Panzer,&nbsp;Lukas Frei,&nbsp;Michael F. Zaeh","doi":"10.1016/j.jajp.2025.100315","DOIUrl":"10.1016/j.jajp.2025.100315","url":null,"abstract":"<div><div>Powder bed fusion of metals using a laser beam (PBF-LB/M) enables the near-net-shape fabrication of thin-walled parts with a high geometric complexity, thus often featuring structural transitions. Due to high temperature gradients during manufacturing, these structural transitions are subject to localized deformations, which manifest themselves in a shrink line, which is reducing the part lifetime and the dimensional accuracy. In current PBF-LB/M process simulations, however, the shrink line formation cannot be predicted on a physical basis yet. In this study, a finite element approach for efficiently predicting the shrink line formation is presented. The three-stage approach begins with a numerical geometry analysis, which is used to define an appropriate finite element mesh for the subsequent analyses. This is followed by the prediction of the geometry-dependent overheating during the PBF-LB/M process. Using these overheating results and an experimentally calibrated overheating-shrink-line relation, the shrink lines are modeled in a mechanical analysis considering the physics-based effects. The simulation approach was verified on an academic specimen design and was experimentally validated on two parts with different degrees of geometric complexity. The derived overheating-shrink-line relation provided a valid strategy for predicting the resulting shrink line depth. Applying the approach, the deviation between the measurements and the shrink line simulation was determined to be lower than 41 µm. Furthermore, the prediction quality of the dimensional accuracy was increased by 6.9 % for a topology-optimized part. For the approach, necessary extensions were derived to allow for simulating an asymmetric shrink line formation in the future.</div></div>","PeriodicalId":34313,"journal":{"name":"Journal of Advanced Joining Processes","volume":"11 ","pages":"Article 100315"},"PeriodicalIF":3.8,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144220957","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Data-driven parameter optimization for bead geometry in wire arc additive manufacturing of 17-4 PH stainless steel 17-4 PH不锈钢丝弧增材制造中焊头几何参数的数据驱动优化
IF 3.8
Journal of Advanced Joining Processes Pub Date : 2025-05-30 DOI: 10.1016/j.jajp.2025.100319
Muhammad Irfan , Yun-Fei Fu , Shalini Singh , Sajid Ullah Butt , Abul Fazal Arif , Osezua Ibhadode , Ahmed Qureshi
{"title":"Data-driven parameter optimization for bead geometry in wire arc additive manufacturing of 17-4 PH stainless steel","authors":"Muhammad Irfan ,&nbsp;Yun-Fei Fu ,&nbsp;Shalini Singh ,&nbsp;Sajid Ullah Butt ,&nbsp;Abul Fazal Arif ,&nbsp;Osezua Ibhadode ,&nbsp;Ahmed Qureshi","doi":"10.1016/j.jajp.2025.100319","DOIUrl":"10.1016/j.jajp.2025.100319","url":null,"abstract":"<div><div>Due to its high strength, corrosion resistance, and toughness, 17-4 Precipitation Hardening (PH) stainless steel is widely used in aerospace, petrochemical, and marine industries. Additive manufacturing (AM) technologies enable the fabrication of complex and/or customized components while offering superior material efficiency and shorter lead times. Because of its high deposition rate, Wire Arc Additive Manufacturing (WAAM) can produce large metal structures. However, consistent bead profiles remain challenging because the process is highly sensitive to variations in thermal input and deposition conditions. Achieving uniform bead geometry during additive manufacturing is essential to avoid defects such as humming, spattering, and distortion, which can compromise the structural integrity of 3D components.</div><div>To achieve a uniform bead profile in WAAM, in this study, a full-factorial design of experiments is implemented to optimize the process parameters such as Wire Feed Rate (WFR), Torch Travel Speed (TTS), and Gas Flow Rate (GFR) for 17-4PH stainless steel. A backpropagation neural network (BPNN) is trained to model a non-linear relationship between these process parameters and bead geometry. Moreover, a genetic algorithm (GA) optimizes for bead uniformity and deposition efficiency. With a Pearson Correlation Coefficient (PCC) of 0.85, the optimized parameters exhibited significantly improved uniformity and higher deposition efficiency.</div></div>","PeriodicalId":34313,"journal":{"name":"Journal of Advanced Joining Processes","volume":"12 ","pages":"Article 100319"},"PeriodicalIF":3.8,"publicationDate":"2025-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144242889","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Robotized hardfacing on high-strength steels: determination of impact properties with different heat inputs 高强度钢的自动化堆焊:不同热输入下冲击性能的测定
IF 3.8
Journal of Advanced Joining Processes Pub Date : 2025-05-19 DOI: 10.1016/j.jajp.2025.100314
Ákos Meilinger, Gábor Terdik
{"title":"Robotized hardfacing on high-strength steels: determination of impact properties with different heat inputs","authors":"Ákos Meilinger,&nbsp;Gábor Terdik","doi":"10.1016/j.jajp.2025.100314","DOIUrl":"10.1016/j.jajp.2025.100314","url":null,"abstract":"<div><div>The use of high-strength steels as a substrate for hardfacing is becoming increasingly common in the industry (e.g., for demolition shears). In the case of joint welding, the weldability of these steels is limited because welding heat has significant affect to the base material. Both softening and hardening can occur in the different sub-zones of heat-affected zone, leading to changes in impact properties. For demolition shears, impact stresses are the most critical loads. Heat input can alter the microstructure of the heat-affected zone, potentially reducing the load-bearing capacity due to the penetration depth of the hardface layer or the buffer layer. Robotization of hardfacing creates equal layers with high precision, which helps the precise comparison. In this study, S690QL and S960QL substrates were investigated under different heat inputs, and the impact properties of these specimens were tested. Instrumented impact test results were analyzed and supplemented with surface fractography. The impact resistance of the S690QL substrate decreases with higher heat input and penetration depth. In contrast, S960QL exhibits different behavior: the use of lowest heat input causes a 226 % increase in impact energy compared with the base material. The underlying reasons for this were identified through force-time curve analysis, where the positive effect of the heat-affected zone is determined. Additionally, the maximum impact forces display different behavior for the two materials: S960QL shows higher impact force except in case of highest heat input, where the S690QL shows better force. These findings are valuable for selecting the appropriate substrate and hardfacing technology for this application and its specific loading conditions.</div></div>","PeriodicalId":34313,"journal":{"name":"Journal of Advanced Joining Processes","volume":"11 ","pages":"Article 100314"},"PeriodicalIF":3.8,"publicationDate":"2025-05-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144124951","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Influence of temperature on the microstructure and properties of Cu/Al tube joints in magnetic pulse-assisted semi-solid brazing 温度对磁脉冲辅助半固态钎焊Cu/Al管接头组织和性能的影响
IF 3.8
Journal of Advanced Joining Processes Pub Date : 2025-05-16 DOI: 10.1016/j.jajp.2025.100313
Zhenglei Rui , Shangyu Huang , Huajun Wang , Zhenghua Meng
{"title":"The Influence of temperature on the microstructure and properties of Cu/Al tube joints in magnetic pulse-assisted semi-solid brazing","authors":"Zhenglei Rui ,&nbsp;Shangyu Huang ,&nbsp;Huajun Wang ,&nbsp;Zhenghua Meng","doi":"10.1016/j.jajp.2025.100313","DOIUrl":"10.1016/j.jajp.2025.100313","url":null,"abstract":"<div><div>This study addresses the technical challenge of copper/aluminum (Cu/Al) tube joining through the innovative application of magnetic pulse-assisted semi-solid brazing (MPASSB) technology. Through an integrated approach combining finite element simulation with microstructural characterization, this study systematically investigates how brazing temperature (390–440 °C) influences the microstructure and mechanical properties of Cu/Al tube joints. Notably, a novel finite element method-smoothed particle hydrodynamics (FEM-SPH) coupling model has been developed. This model enables precise simulation of fluid-solid interactions between tubes and filler metal during the brazing process, providing fresh insights into oxide layer removal mechanisms. The research reveals that brazing temperature serves as the critical parameter governing the elemental diffusion and microstructural evolution in the joint. As the temperature increases from 390 °C to 440 °C, the viscosity coefficient of the filler metal decreases significantly from 41.6Pa·s to 1.798Pa·s, resulting in enhanced fluidity that promotes interfacial interactions between the tubes and filler metal and effectively removes surface oxide films, thus improving joint quality. However, excessive temperature intensifies the filler metal ejection, increasing the risk of filler metal deficiency at the top of the joint. Mechanical testing demonstrates that joints brazed at 440 °C achieve optimal shear strength of 81.1 MPa, with fracture occurring at the copper-side (Cu-side) interface between the Al<sub>4.2</sub>Cu<sub>3.2</sub>Zn<sub>0.7</sub> intermetallic phase and the diffusion layer. This work establishes fundamental theoretical guidance for optimizing MPASSB process parameters and facilitates the efficient joining of Cu/Al tubes.</div></div>","PeriodicalId":34313,"journal":{"name":"Journal of Advanced Joining Processes","volume":"11 ","pages":"Article 100313"},"PeriodicalIF":3.8,"publicationDate":"2025-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144138835","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Heat treatment optimisation of 18 % Ni maraging steel produced by DED-ARC for enhancing mechanical properties 为提高机械性能,对氩弧焊18% Ni马氏体时效钢进行热处理优化
IF 3.8
Journal of Advanced Joining Processes Pub Date : 2025-05-16 DOI: 10.1016/j.jajp.2025.100312
Maja Lindič , Damjan Klobčar , Aleš Nagode , Nikolaj Mole , Borut Žužek , Tomaž Vuherer
{"title":"Heat treatment optimisation of 18 % Ni maraging steel produced by DED-ARC for enhancing mechanical properties","authors":"Maja Lindič ,&nbsp;Damjan Klobčar ,&nbsp;Aleš Nagode ,&nbsp;Nikolaj Mole ,&nbsp;Borut Žužek ,&nbsp;Tomaž Vuherer","doi":"10.1016/j.jajp.2025.100312","DOIUrl":"10.1016/j.jajp.2025.100312","url":null,"abstract":"<div><div>This article deals with the Directed Energy Deposition using Wire and Arc (DED-ARC) for maraging steel cladding. A technology for cladding using Gas Metal Arc Welding (GMAW) has been developed that enables the perfect deposition of maraging steel. The material characterisation was carried out in different material states: in the as-built, solution annealed and aged. The research included visual examinations, optical microscopy, Scanning Electron Microscopy / Energy-dispersive X-ray spectroscopy (SEM/EDS), fractography, hardness testing, tensile testing and impact toughness testing. The as-deposited state exhibited a microstructure with very long crystal grains and microsegregations orientated the direction of the heat sink, consisting of lath martensite. Consequently, a subsequent heat treatment is absolutely necessary in order to obtain a uniform fine-grained microstructure. Two different solution annealing processes were analysed, which allowed us to select the most suitable process for the first step of heat treatment followed by aging. A response surface methodology was used to optimise the aging conditions. The results show that additively manufactured maraging steel reaches a tensile strength of 1947 MPa, a hardness of 657 HV5 and a Charpy impact toughness of 11 J at peak aging condition, which is comparable to conventionally manufactured maraging steel.</div></div>","PeriodicalId":34313,"journal":{"name":"Journal of Advanced Joining Processes","volume":"11 ","pages":"Article 100312"},"PeriodicalIF":3.8,"publicationDate":"2025-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144098349","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Controlling debond on demand performance in adhesive systems using structurally tuned expandable graphite fillers 用结构调整的可膨胀石墨填料控制粘接系统的按需脱粘性能
IF 3.8
Journal of Advanced Joining Processes Pub Date : 2025-05-14 DOI: 10.1016/j.jajp.2025.100309
O Kachouri, J Bardon, D Ruch, A Laachachi
{"title":"Controlling debond on demand performance in adhesive systems using structurally tuned expandable graphite fillers","authors":"O Kachouri,&nbsp;J Bardon,&nbsp;D Ruch,&nbsp;A Laachachi","doi":"10.1016/j.jajp.2025.100309","DOIUrl":"10.1016/j.jajp.2025.100309","url":null,"abstract":"<div><div>The emergence of debonding technologies has enabled adhesive systems to better align with the principles of sustainability and the circular economy by addressing the gap between the end-of-life stage of adhesively bonded products and the potential for component reuse. In this context, the present study explores the application of thermally responsive additives to induce controlled debonding in adhesive joints. In our previous investigations, it was shown that integrating various types of flame retardants (intumescent and non-intumescent) significantly reduced the debonding temperature, by altering the thermomechanical properties of the joint at temperatures substantially lower than the degradation onset of the unmodified adhesive system. Expandable graphite (EG), a thermally responsive material, has previously been employed with success for similar purposes. Its incorporation into the adhesive layer, even in trace amounts, results in a very significant expansion upon the application of heat, thereby providing an effective mechanism for disassembling adhesively bonded structural assemblies. The present study builds on this prior research and probes deeper into the manufacturing processes underlying EG. The primary hypothesis explored is whether tailoring these processes can result in modulating the thermal response of adhesives modified by EG, thereby achieving debonding at distinct temperature ranges suitable for a wide spectrum of applications. This study investigates EG-modified adhesives, assessing their mechanical properties, thermomechanical degradation, and microstructural changes using characterization techniques such as pull-off tests, microtomography, TGA, and DMA. Finally, the recycling potential is demonstrated through the successful reuse of debonded substrates after a simple cleaning process.</div></div>","PeriodicalId":34313,"journal":{"name":"Journal of Advanced Joining Processes","volume":"11 ","pages":"Article 100309"},"PeriodicalIF":3.8,"publicationDate":"2025-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144124952","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","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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