Journal of Advanced Joining Processes最新文献

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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
Tailoring flux composition to control welding fume and hexavalent chromium emissions in flux cored arc welding 调整焊剂成分以控制焊剂芯弧焊中的焊烟和六价铬排放
IF 3.8
Journal of Advanced Joining Processes Pub Date : 2025-05-12 DOI: 10.1016/j.jajp.2025.100311
Sungyo Jung , Gi Taek Oh , Seungjin Jung , Chungsik Yoon
{"title":"Tailoring flux composition to control welding fume and hexavalent chromium emissions in flux cored arc welding","authors":"Sungyo Jung ,&nbsp;Gi Taek Oh ,&nbsp;Seungjin Jung ,&nbsp;Chungsik Yoon","doi":"10.1016/j.jajp.2025.100311","DOIUrl":"10.1016/j.jajp.2025.100311","url":null,"abstract":"<div><div>Flux-cored arc welding (FCAW) generates hazardous byproducts such as welding fumes and hexavalent chromium (Cr(VI)), posing significant health and environmental risks. This study investigated the effectiveness of modifying specific flux components in flux-cored wires (FCWs) to reduce these emissions. One base FCW and ten flux-modified FCWs were tested under controlled conditions, capturing emissions for gravimetric and Cr(VI) analysis. Flux compositions were determined using X-ray fluorescence. Statistical analyses, including difference tests, correlation, and multiple linear regression, were conducted to evaluate the association between the content of flux components and emission rates. Sodium (Na) content in the flux was positively associated with increased emission of welding fumes and Cr(VI), while titanium (Ti) content showed a negative association. Increasing the contents of fluorine (F), potassium (K), and chromium (Cr) in the flux raised welding fume emission but reduced Cr(VI) emissions. Strategic adjustments in flux composition, specifically increasing Ti, silicon (Si) and zirconium (Zr) while decreasing Cr, K, Na, and F content, significantly reduced welding fume emissions by up to 32.4 % and Cr(VI) emissions by 95.4 %. These findings suggest that tailoring flux composition can effectively mitigate occupational and environmental hazards, enhance welder safety, and promote more sustainable FCAW practices without compromising welding performance.</div></div>","PeriodicalId":34313,"journal":{"name":"Journal of Advanced Joining Processes","volume":"11 ","pages":"Article 100311"},"PeriodicalIF":3.8,"publicationDate":"2025-05-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144090419","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
Enhancing mechanical properties and isotropy in ultrasonic assisted powder bed fusion of metals using a laser beam (PBF-LB/M) via Dual Exposure 双曝光激光增强超声辅助粉末床金属熔合的力学性能和各向同性
IF 3.8
Journal of Advanced Joining Processes Pub Date : 2025-05-09 DOI: 10.1016/j.jajp.2025.100307
Sebastian Platt , Jan Wegner , Arno Elspaß , Hanna Schönrath , Stefan Kleszczynski
{"title":"Enhancing mechanical properties and isotropy in ultrasonic assisted powder bed fusion of metals using a laser beam (PBF-LB/M) via Dual Exposure","authors":"Sebastian Platt ,&nbsp;Jan Wegner ,&nbsp;Arno Elspaß ,&nbsp;Hanna Schönrath ,&nbsp;Stefan Kleszczynski","doi":"10.1016/j.jajp.2025.100307","DOIUrl":"10.1016/j.jajp.2025.100307","url":null,"abstract":"<div><div>Parts produced via powder bed fusion of metal using a laser beam process often exhibit mechanical anisotropy due to the directional solidification, complicating part design. This study explores the use of ultrasonic-assistance to reduce anisotropy by promoting microstructural homogenization through increased nucleation. Specimens were fabricated using a dual exposure strategy, to avoid the challenges that arise with the in-situ ultrasonic excitation of a powder bed. Furthermore, a comprehensive microstructural as well as mechanical analysis was carried out. Microstructural analysis revealed increased grain orientation variation in ultrasonically treated specimens. Mechanical testing showed improved tensile and yield strength and reduced anisotropy, with tensile and yield strength anisotropy decreasing by 55.4 % and 46.1 %, respectively. Despite increased surface roughness, ultrasonic treatment reduced anisotropy in ductility-related properties, highlighting its potential to improve the performance of additively manufactured parts by reducing anisotropy and simultaneously enhancing mechanical properties.</div></div>","PeriodicalId":34313,"journal":{"name":"Journal of Advanced Joining Processes","volume":"11 ","pages":"Article 100307"},"PeriodicalIF":3.8,"publicationDate":"2025-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143921669","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
Relationship between the developed interfacial area ratio and the adhesion of the bonded joint 发育界面面积比与粘结接头附着力的关系
IF 3.8
Journal of Advanced Joining Processes Pub Date : 2025-05-09 DOI: 10.1016/j.jajp.2025.100310
Benjámin Márk Körömi , Zoltán Weltsch , Miklós Berczeli
{"title":"Relationship between the developed interfacial area ratio and the adhesion of the bonded joint","authors":"Benjámin Márk Körömi ,&nbsp;Zoltán Weltsch ,&nbsp;Miklós Berczeli","doi":"10.1016/j.jajp.2025.100310","DOIUrl":"10.1016/j.jajp.2025.100310","url":null,"abstract":"<div><div>Bonding technologies have evolved significantly over the past decades, playing a crucial role in the field of joining technologies. To date, however, there is no consensus among research groups as to whether surface texture or surface wettability, or both, affect the strength of bonded joints. Bonded joints, as a bonding technique, are highly dependent on the chemical composition of the adhesive or binder. It is also important to note that the strength and the quality of a bonded joint is greatly influenced by surface adhesion and its related phenomena. From a materials science perspective, surface adhesion is characterised by the level of surface wetting and the total surface energy. In addition, microtopographies and other geometrical features play a key role in bond formation. In this research, the goal is to create controlled microtopographies on DP600 steel surfaces, mainly using femtosecond pulsed laser surface treatment techniques. The ability of adhesives to fill microtopographies specifically, the extent and manner in which micro-scale geometries and structures are filled is also investigated. This allows for the establishment of correlations between the strength of adhesive bonds and the shape characteristics of the microtopography, both in the surface-activated and non-surface-activated states.</div></div>","PeriodicalId":34313,"journal":{"name":"Journal of Advanced Joining Processes","volume":"11 ","pages":"Article 100310"},"PeriodicalIF":3.8,"publicationDate":"2025-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143941190","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
Optimizing microstructure and performance: The impact of pre-deformation and rotational speed on friction stir processed Cu-W composites 优化组织和性能:预变形和转速对搅拌摩擦加工Cu-W复合材料的影响
IF 3.8
Journal of Advanced Joining Processes Pub Date : 2025-05-05 DOI: 10.1016/j.jajp.2025.100308
Masoomeh Oliaei, Roohollah Jamaati, Hamed Jamshidi Aval
{"title":"Optimizing microstructure and performance: The impact of pre-deformation and rotational speed on friction stir processed Cu-W composites","authors":"Masoomeh Oliaei,&nbsp;Roohollah Jamaati,&nbsp;Hamed Jamshidi Aval","doi":"10.1016/j.jajp.2025.100308","DOIUrl":"10.1016/j.jajp.2025.100308","url":null,"abstract":"<div><div>This study investigated the effects of pre-deformation induced by asymmetric rolling on copper-based metal, as well as rotational speed during friction stir processing, on the microstructure, mechanical properties, and electrical conductivity of tungsten-reinforced copper matrix composites. The results show that increasing the rotational speed up to 800 rpm leads to a more uniform distribution of tungsten particles within the stir zone. However, at rotational speeds above 800 rpm, the distribution of tungsten reinforcing particles becomes less uniform. The accumulated strain in the stir zone increases from 0.3056 to 0.3967 s<sup>-1</sup> as the rotational speed rises from 600 to 1200 rpm. Additionally, as the tool rotational speed increases from 600 to 1200 rpm, the grain size in the stir zone grows from 6.2 ± 0.7 to 13.2 ± 1.5 µm. The Cu-W composite processed at a tool rotational speed of 800 rpm achieves the highest values in hardness (124.9 ± 8.9 HV0.1), ultimate tensile strength (307.4 ± 11.8 MPa), tensile toughness (92.1 ± 1.1 MJ/m<sup>3</sup>), and electrical conductivity (92.8 ± 1.3 %IACS). Compared to the as-rolled copper-based metal, the electrical conductivity of the Cu-W composite fabricated at 800 rpm increases by 8.8 %.</div></div>","PeriodicalId":34313,"journal":{"name":"Journal of Advanced Joining Processes","volume":"11 ","pages":"Article 100308"},"PeriodicalIF":3.8,"publicationDate":"2025-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143921668","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
Friction stir processing of AA1050/AA5052 composite produced by accumulative roll bonding process: Microstructure and mechanical properties 累积轧制复合材料AA1050/AA5052的搅拌摩擦加工:显微组织与力学性能
IF 3.8
Journal of Advanced Joining Processes Pub Date : 2025-04-30 DOI: 10.1016/j.jajp.2025.100306
Hamid Partoyar , Hamid Reza Jafarian , Hamed Roghani , Ahad Mohammadzadeh , Akbar Heidarzadeh
{"title":"Friction stir processing of AA1050/AA5052 composite produced by accumulative roll bonding process: Microstructure and mechanical properties","authors":"Hamid Partoyar ,&nbsp;Hamid Reza Jafarian ,&nbsp;Hamed Roghani ,&nbsp;Ahad Mohammadzadeh ,&nbsp;Akbar Heidarzadeh","doi":"10.1016/j.jajp.2025.100306","DOIUrl":"10.1016/j.jajp.2025.100306","url":null,"abstract":"<div><div>A layered composite of AA1050-AA5052 alloys was fabricated through roll bonding, and accumulative roll bonding (ARB) and subsequently subjected to friction stir processing (FSP). In this process, the annealed AA5052 and AA1050 sheets are used as raw materials. At first, preheating at 200 °C for 6 min preceded the rolling process in an induction furnace, achieving a 67 % reduction in the cross-sectional area. Then, two ARB stages were conducted. At the flow, the FSP process was conducted at constant transversal speeds of 750 rpm and 1180 rpm. Microstructural details were analyzed using optical microscopy (OM), scanning electron microscopy (SEM), and electron backscatter diffraction (EBSD). Mechanical properties were assessed through tensile test, microhardness measurement, and wear test. The results showed that recrystallization occurred due to FSP applied to the rolled sheet. The tensile strength after ARB and FSP was measured as 270 and 150 MPa, respectively. These values show an increase of 3.3 times and 1.8 times, respectively, compared to annealed AA1050. The maximum elongation after ARB and FSP was measured at about 9 and 30 %. Work hardening and grain refinement, respectively, had a significant role in increasing the elongation of the AA1050/AA5052 composites created by ARB and FSP. Furthermore, FSP enhanced the wear resistance of the AA1050-AA5052 composite created with two ARB steps by 70 %.</div></div>","PeriodicalId":34313,"journal":{"name":"Journal of Advanced Joining Processes","volume":"11 ","pages":"Article 100306"},"PeriodicalIF":3.8,"publicationDate":"2025-04-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143903677","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
High-brightness laser welding with beam wobbling: Achieving high-strength Al/Steel joints for battery busbars 高亮度光束摆动激光焊接:实现电池母线的高强度铝/钢接头
IF 3.8
Journal of Advanced Joining Processes Pub Date : 2025-04-28 DOI: 10.1016/j.jajp.2025.100305
M Chelladurai Asirvatham , Iain Masters , Geoff West , Paul Haney
{"title":"High-brightness laser welding with beam wobbling: Achieving high-strength Al/Steel joints for battery busbars","authors":"M Chelladurai Asirvatham ,&nbsp;Iain Masters ,&nbsp;Geoff West ,&nbsp;Paul Haney","doi":"10.1016/j.jajp.2025.100305","DOIUrl":"10.1016/j.jajp.2025.100305","url":null,"abstract":"<div><div>Laser welding of aluminium tabs to nickel-plated interstitial-free (IF) steel was investigated using a high-brightness, single-mode laser with beam wobbling. The influence of interaction time, controlled by wobble amplitude and traverse speed, regulating energy distribution on weld microstructure and mechanical properties was systematically studied. Short interaction times (&lt;25 µs) and large inter-wobble distances (&gt;150 µm) minimized intermetallic compound (IMC) formation and maximized weld strength. Optimizing these parameters (wider wobble amplitudes of 0.6–0.8 mm and faster speeds of 75–100 mm/s) suppressed IMC-induced cracking, resulting in microstructures containing Fe-rich IMCs and Al-Fe₄Al₁₃ eutectic phases. Conversely, lower wobble amplitudes (&lt;0.6 mm) and slower speeds (50–75 mm/s) promoted crack-prone Al-rich Fe₂Al₅ phases. Optimized welds exhibited excellent fatigue performance, withstanding 1 million cycles at 175 N, demonstrating the potential for using lighter, cost-effective aluminium busbars in battery interconnect applications.</div></div>","PeriodicalId":34313,"journal":{"name":"Journal of Advanced Joining Processes","volume":"11 ","pages":"Article 100305"},"PeriodicalIF":3.8,"publicationDate":"2025-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143899316","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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