Materials Science and Engineering: A最新文献_第10页

Enhanced structural refinement and strengthening by intermediate annealing process in a nanostructured Al-4%Cu alloy 中间退火工艺增强了纳米Al-4%Cu合金的组织细化和强化

IF 6.1 2区材料科学

Materials Science and Engineering: A Pub Date : 2025-07-08 DOI: 10.1016/j.msea.2025.148790

Qi Liu , Yijia Huang , Linfei Shuai , Tianlin Huang , Ling Zhang , Guilin Wu , Xiaoxu Huang

{"title":"Enhanced structural refinement and strengthening by intermediate annealing process in a nanostructured Al-4%Cu alloy","authors":"Qi Liu , Yijia Huang , Linfei Shuai , Tianlin Huang , Ling Zhang , Guilin Wu , Xiaoxu Huang","doi":"10.1016/j.msea.2025.148790","DOIUrl":"10.1016/j.msea.2025.148790","url":null,"abstract":"<div><div>Cold rolling is widely used to refine the microstructure and enhance the strength of metals and alloys; however, its efficiency gradually decreases with increasing strain. This study presents a strategy to improve structural refinement and yield strength in a nanostructured Al-4%Cu alloy by incorporating element segregation and nano-sized particles to stabilize lamellar grain boundaries through an intermediate annealing process during the conventional high-strain cold rolling. An average lamellar boundary spacing of 51 nm and a yield strength of 497 MPa have been achieved at a von Mises strain of 4.9. Compared to the sample cold-rolled to the same strain without intermediate annealing, the lamellar boundary spacing was reduced by 38%, and the yield strength increased by 20%. Analysis of strengthening mechanisms indicates that the additional strengthening contribution comes from the finer lamellar spacing and increased dislocation density. This work suggests an efficient and convenient design pathway toward high-strength nanostructured Al alloys.</div></div>","PeriodicalId":385,"journal":{"name":"Materials Science and Engineering: A","volume":"943 ","pages":"Article 148790"},"PeriodicalIF":6.1,"publicationDate":"2025-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144631780","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Dual nanoparticles in a wrought Al-4.5 wt% Cu alloy to promote strength-ductility synergy 双纳米颗粒在锻造Al-4.5 wt% Cu合金中促进强度-延展性协同作用

IF 6.1 2区材料科学

Materials Science and Engineering: A Pub Date : 2025-07-08 DOI: 10.1016/j.msea.2025.148775

Yunfeng Hu , Mojia Li , Jiaheng Li , Ran Ni , Yahui Wu , Botao Yan , Lei Wang , Yingbo Zhang , Dongdi Yin , Ying Zeng , Hui Chen

{"title":"Dual nanoparticles in a wrought Al-4.5 wt% Cu alloy to promote strength-ductility synergy","authors":"Yunfeng Hu , Mojia Li , Jiaheng Li , Ran Ni , Yahui Wu , Botao Yan , Lei Wang , Yingbo Zhang , Dongdi Yin , Ying Zeng , Hui Chen","doi":"10.1016/j.msea.2025.148775","DOIUrl":"10.1016/j.msea.2025.148775","url":null,"abstract":"<div><div>This study proposes an innovative thermomechanical composite process combining semi-solid isothermal treatment (SSIT), double extrusion, and aging to achieve superior strength-ductility synergy in Al-4.5 wt% Cu alloy. The SSIT process effectively refines primary coarse Al<sub>2</sub>Cu phases into nanoscale eutectic structures with an interlamellar spacing of ∼58 nm. Subsequent double extrusion fragments and disperses these structures into nanoparticles. Coupled with the dynamic formation of <span><math><mrow><msup><mi>θ</mi><mo>′</mo></msup><mo>/</mo><msup><mi>θ</mi><mo>″</mo></msup></mrow></math></span> nanoprecipitates during aging, the alloy develops a dual nanoparticle strengthening system embedded within a bimodal grain architecture featuring alternating coarse/fine-grained zones. The processed alloy demonstrates remarkable mechanical properties with a tensile strength of 472 MPa, yield strength of 348 MPa, and elongation of 16.1 %. This work demonstrates that coupling dual nanoparticles with bimodal grain structures enables dual-phase dislocation pinning while alleviating local stress concentrations, providing a scalable strategy for engineering high-performance aluminum alloys.</div></div>","PeriodicalId":385,"journal":{"name":"Materials Science and Engineering: A","volume":"943 ","pages":"Article 148775"},"PeriodicalIF":6.1,"publicationDate":"2025-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144686592","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Concurrent enhancement of magnetostriction-damping properties and mechanical performance in Fe83Ga17 alloy via nano-size heterogeneities precipitation 纳米非均质析出法同时增强Fe83Ga17合金的磁致伸缩阻尼性能和力学性能

IF 6.1 2区材料科学

Materials Science and Engineering: A Pub Date : 2025-07-08 DOI: 10.1016/j.msea.2025.148791

Shaowen Yan , Xing Mu , Jian Luo , Qianqian Wang , Huan Wang , Hongping Zhang , Yiping Lu

{"title":"Concurrent enhancement of magnetostriction-damping properties and mechanical performance in Fe83Ga17 alloy via nano-size heterogeneities precipitation","authors":"Shaowen Yan , Xing Mu , Jian Luo , Qianqian Wang , Huan Wang , Hongping Zhang , Yiping Lu","doi":"10.1016/j.msea.2025.148791","DOIUrl":"10.1016/j.msea.2025.148791","url":null,"abstract":"<div><div>Large magnetostriction strain, high damping, and high mechanical strength are highly desirable for active-passive integrated vibration attenuation applications. Magneto-mechanical damping positively correlates with saturation magnetostriction strain, but it often lowers mechanical strength, and thus negatively impacts their concurrent enhancement. We have embedded nano-size heterogeneous phases into <100>-oriented Fe<sub>83</sub>Ga<sub>17</sub> alloy, using solution plus aging treatment. This has resulted in a significantly improved combination of excellent magnetostriction, damping, and mechanical comprehensive properties. Specifically, the saturation magnetostriction coefficient, amplitude dependent damping peak and the product of ultimate tensile strength and elongation reached (268 ± 7) ppm, 0.068 ± 0.004, and (1.386 ± 0.004) GPa·%, respectively. These properties are significantly improved by approximately 35 %, 70 %, and 99 %, when compared to the corresponding solution-treated alloy, and they are closely related to the beneficial properties of nano-size D0<sub>3</sub> and modified-D0<sub>3</sub> phases alloys, obtained by aging treatments. The tetragonal modified-D0<sub>3</sub> phase induces local tetragonal distortion in the matrix, leading to large magnetostriction and magneto-mechanical damping at low fields, respectively. It is believed that the nano-size precipitates inside the matrix result in precipitation strengthening and grain boundary strengthening are responsible for increased strength and ductility. The results of our study provide a viable path for the design and production of magnetostriction-damping alloys with significantly improved comprehensive properties.</div></div>","PeriodicalId":385,"journal":{"name":"Materials Science and Engineering: A","volume":"943 ","pages":"Article 148791"},"PeriodicalIF":6.1,"publicationDate":"2025-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144605053","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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 sustainable strategy for wire arc additive manufacturing of high-performance duplex stainless Steel: Microstructural refinement and mechanical anisotropy reduction 高性能双相不锈钢丝弧增材制造的可持续发展策略：微观组织细化和力学各向异性降低

IF 6.1 2区材料科学

Materials Science and Engineering: A Pub Date : 2025-07-08 DOI: 10.1016/j.msea.2025.148785

Elina Akbarzadeh Chiniforoush , Habib Hamed Zargari , Mohammad Reza Jandaghi , Johan Moverare , Reyazul Warsi , C. Hakan Gür

{"title":"A sustainable strategy for wire arc additive manufacturing of high-performance duplex stainless Steel: Microstructural refinement and mechanical anisotropy reduction","authors":"Elina Akbarzadeh Chiniforoush , Habib Hamed Zargari , Mohammad Reza Jandaghi , Johan Moverare , Reyazul Warsi , C. Hakan Gür","doi":"10.1016/j.msea.2025.148785","DOIUrl":"10.1016/j.msea.2025.148785","url":null,"abstract":"<div><div>A major challenge in wire arc additive manufacturing (WAAM) is microstructural anisotropy caused by columnar grain growth due to predominant heat transfer toward the substrate, which compromises mechanical performance. This study investigates the effectiveness of the switch-back (SB) welding strategy in reducing anisotropy and enhancing the mechanical properties of WAAM-fabricated duplex stainless steel (ER 2209). Two walls were fabricated using identical process parameters, differing only in torch movement: conventional (Norm) and SB paths. Microstructural analysis revealed a marked reduction in columnar grains and increased equiaxed grain fraction in the SB samples. EBSD IPF maps showed an 83 % and 70 % reduction in crystallographic alignment for δ-ferrite and γ-austenite, respectively. Numerical simulations demonstrated that the SB strategy generated higher peak temperatures and greater melt turbulence, reducing the G/R ratio and promoting dendrite fragmentation and equiaxed grain formation. Mechanical testing confirmed improved performance of SB samples, with SB-H achieving the highest UTS (816 MPa) and impact energy (74.7 J). Fractographic analysis revealed ductile failure in all samples, with SB samples exhibiting finer and more uniform dimples, indicating enhanced toughness. Overall, the switch-back strategy is a simple yet effective method for improving structural and mechanical performance in WAAM without requiring additional equipment.</div></div>","PeriodicalId":385,"journal":{"name":"Materials Science and Engineering: A","volume":"943 ","pages":"Article 148785"},"PeriodicalIF":6.1,"publicationDate":"2025-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144588353","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Achieving enhanced strength-ductility synergy in an additive manufactured eutectic compositionally complex alloy via optimizing alloy composition 通过优化合金成分，在添加剂制造的共晶复合合金中实现增强的强度-延性协同作用

IF 6.1 2区材料科学

Materials Science and Engineering: A Pub Date : 2025-07-08 DOI: 10.1016/j.msea.2025.148789

Wenqing Yang , Wenjie Lu , Lei Qian , Xu-Sheng Yang

{"title":"Achieving enhanced strength-ductility synergy in an additive manufactured eutectic compositionally complex alloy via optimizing alloy composition","authors":"Wenqing Yang , Wenjie Lu , Lei Qian , Xu-Sheng Yang","doi":"10.1016/j.msea.2025.148789","DOIUrl":"10.1016/j.msea.2025.148789","url":null,"abstract":"<div><div>Additive manufacturing of metallic materials creates structures layer-by-layer through rapid melting and solidification, which can promote refined microstructure and enhanced strength. This study investigates the impact of regulating Co content on microstructural evolution and mechanical properties in eutectic AlCoCrFeNi<sub>2.1</sub> compositionally complex alloy (CCA) fabricated through laser engineered net shaping technique. Our work clearly demonstrates that subtly regulating Co content can significantly manipulate the lamellar spacing and phase volume fraction, resulting in enhanced strength-ductility combination. Notably, compared with the original eutectic AlCoCrFeNi<sub>2.1</sub> CCA with a tensile strength at ∼883 MPa and fracture elongation at ∼11 %, our designed AlCo<sub>1.2</sub>CrFeNi<sub>2.1</sub> CCA with a higher Co content exhibits superior strength-ductility synergy, showing a remarkable tensile strength at ∼1602 MPa and fracture elongation at ∼14 %. This increased Co concentration promotes lamellar refinement and introduces more phase boundaries in the FCC/BCC dual-phase microstructure, which induce strengthening effect through dislocation pile-up at the phase boundaries. Meanwhile, the coherent interfaces between FCC and BCC facilitate dislocation propagation across the phase boundaries and support strain accommodation, ultimately achieving an exceptional strength-ductility balance. Our findings provide valuable insights for further design and rapid development of high-performance additive-manufactured alloys by adjusting the elemental composition.</div></div>","PeriodicalId":385,"journal":{"name":"Materials Science and Engineering: A","volume":"943 ","pages":"Article 148789"},"PeriodicalIF":6.1,"publicationDate":"2025-07-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144605041","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Double yielding mechanisms in Ti48Zr30Ni6Ta1Al1Be14 metallic glass matrix composites Ti48Zr30Ni6Ta1Al1Be14金属玻璃基复合材料的双重屈服机制

IF 6.1 2区材料科学

Materials Science and Engineering: A Pub Date : 2025-07-07 DOI: 10.1016/j.msea.2025.148779

Z. Wang , Z.Y. Wang , J.W. Qiao , M. Zhang , Pedro E.J. Rivera-Díaz-del-Castillo , Z.H. Wang

引用次数: 0

Core-shell strategy for triple-phase reinforced (Al2O3+SiC+Al3BC)/Al composite: Achieving enhanced stiffness and strength while retained ductility 三相增强(Al2O3+SiC+Al3BC)/Al复合材料的核壳策略：在保持延展性的同时获得更高的刚度和强度

IF 6.1 2区材料科学

Materials Science and Engineering: A Pub Date : 2025-07-07 DOI: 10.1016/j.msea.2025.148777

Jingyi Hu, Tong Gao, Mengshuang Fu, Weikang Wu, Guiliang Liu, Jingyu Qin, Xiangfa Liu

{"title":"Core-shell strategy for triple-phase reinforced (Al2O3+SiC+Al3BC)/Al composite: Achieving enhanced stiffness and strength while retained ductility","authors":"Jingyi Hu, Tong Gao, Mengshuang Fu, Weikang Wu, Guiliang Liu, Jingyu Qin, Xiangfa Liu","doi":"10.1016/j.msea.2025.148777","DOIUrl":"10.1016/j.msea.2025.148777","url":null,"abstract":"<div><div>Novel (Al<sub>2</sub>O<sub>3</sub>+SiC + Al<sub>3</sub>BC)/Al composites were successfully synthesized via in-situ reactions within the Al-B<sub>2</sub>O<sub>3</sub>-SiC system, aiming to significantly enhance strength and stiffness while maintaining favorable ductility. The resulting composites exhibit a hybrid microstructure comprising uniformly dispersed in-situ γ-Al<sub>2</sub>O<sub>3</sub> nanoparticles and core-shell structured SiC@Al<sub>3</sub>BC particles, in which ex-situ SiC is coated by an in-situ formed Al<sub>3</sub>BC shell. Among the compositions studied, the Al-5B<sub>2</sub>O<sub>3</sub>-10SiC composite exhibited the most balanced combination of properties at room temperature, with a Young's modulus of 104 ± 1 GPa, an ultimate tensile strength (UTS) of 440 ± 4 MPa, and an elongation to failure (EL) of 4.1 ± 0.6 %. Notably, this composite also demonstrated significant thermal stability, retaining a UTS of 191 ± 6 MPa and an EL of 3.7 ± 0.3 % at 350 °C. The concurrent enhancement in stiffness and strength is attributed to synergistic reinforcement mechanisms, including the rule-of-mixtures contribution from high-modulus phases, nano-scale strengthening from Al<sub>2</sub>O<sub>3</sub>, and improved load transfer enabled by the SiC@Al<sub>3</sub>BC-Al interface. Further increases in SiC content to 20 wt% or the B<sub>2</sub>O<sub>3</sub> content to 10 wt% led to additional improvements, achieving moduli of 114 ± 2 GPa and 118 ± 2 GPa, and UTS values of 548 ± 6 MPa and 538 ± 3 MPa, respectively. These results demonstrate the potential of the proposed composite design for advanced applications operating under both ambient and elevated temperature conditions.</div></div>","PeriodicalId":385,"journal":{"name":"Materials Science and Engineering: A","volume":"943 ","pages":"Article 148777"},"PeriodicalIF":6.1,"publicationDate":"2025-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144572564","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Bonding of Al-Si and Ti-Ta dissimilar alloys via hot isostatic Pressing: Microstructure and interface stability Al-Si和Ti-Ta异种合金热等静压结合：显微组织和界面稳定性

IF 6.1 2区材料科学

Materials Science and Engineering: A Pub Date : 2025-07-07 DOI: 10.1016/j.msea.2025.148782

Xiaoqian Xue , Qiuguang Zhang , Fugang Lu , Xinggen Guo , Yubin Li , Shengquan Xia , Qianrun Zhang , Haodong Li , Panpan Lin , Ce Wang , Tiesong Lin , Peng He

{"title":"Bonding of Al-Si and Ti-Ta dissimilar alloys via hot isostatic Pressing: Microstructure and interface stability","authors":"Xiaoqian Xue , Qiuguang Zhang , Fugang Lu , Xinggen Guo , Yubin Li , Shengquan Xia , Qianrun Zhang , Haodong Li , Panpan Lin , Ce Wang , Tiesong Lin , Peng He","doi":"10.1016/j.msea.2025.148782","DOIUrl":"10.1016/j.msea.2025.148782","url":null,"abstract":"<div><div>This study proposes a three-dimensional diffusion bonding (3D-DB) strategy for achieving metallurgical joining between Al-Si and Ti-Ta alloys with markedly dissimilar physical and mechanical properties. The technique is applicable to the fabrication of geometrically complex tubular components operating under extreme thermomechanical conditions, where conventional welding methods are often inadequate for ensuring structural and thermal reliability. The 3D-DB process employs gas-phase isotropic pressurization at 130 MPa to suppress unidirectional plastic deformation and promote uniform atomic diffusion at the bonding interface, resulting in the formation of a continuous nanoscale diffusion layer. Microstructural analysis reveals that the Al-Si region undergoes significant plastic deformation, primarily attributed to creep and grain boundary sliding, the Ti-Ta region exhibits a stress-induced β to α″ martensitic transformation. Thermal shock testing shows that the joints maintain consistent shear strength after multiple rapid thermal cycles, demonstrating reliable resistance to thermal cycling. These findings suggest that the 3D-DB technique offers a feasible solid-state bonding solution for dissimilar alloy systems and meets the performance requirements for the aerospace industry's demand for high-performance, thin-walled, and structurally intricate components.</div></div>","PeriodicalId":385,"journal":{"name":"Materials Science and Engineering: A","volume":"943 ","pages":"Article 148782"},"PeriodicalIF":6.1,"publicationDate":"2025-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144580534","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Improving mechanical properties of an Al-Zn-Mg-Cu alloy during high stress creep aging via microalloying with Yb Yb微合金化改善Al-Zn-Mg-Cu合金高应力蠕变时效力学性能

IF 6.1 2区材料科学

Materials Science and Engineering: A Pub Date : 2025-07-06 DOI: 10.1016/j.msea.2025.148767

Quanqing Zeng , Ya Li , Yu Liu , Lihua Zhan

{"title":"Improving mechanical properties of an Al-Zn-Mg-Cu alloy during high stress creep aging via microalloying with Yb","authors":"Quanqing Zeng , Ya Li , Yu Liu , Lihua Zhan","doi":"10.1016/j.msea.2025.148767","DOIUrl":"10.1016/j.msea.2025.148767","url":null,"abstract":"<div><div>The performance of traditional Al-Zn-Mg-Cu alloys degrades rapidly under high stress, resulting in insufficient creep aging time and inadequate creep strain. A combination of electron and atomic microscopy characterization, along with first-principles calculations, was used to investigate the effect of Yb on the creep aging behavior and mechanical properties of Al-Zn-Mg-Cu alloys under high stress. The mechanism by which Yb extends the creep aging window was elucidated. First-principles calculations revealed that Yb tends to replace Al2 atoms in the η′ phase and Mg atoms in the η phase, raising the formation energies of η′ and η phases and inhibiting the coarsening of the precipitates. A trace addition of 0.3 wt% Yb induces a new primary phase of Al<sub>3</sub>(Yb, Zr), and further refine the grain size to 30.48 ± 2.3 μm. Under high-stress creep aging, the peak strength of 0.3 Yb alloy was achieved at 4 h, with a yield strength of 667.7 MPa. The yield strength of 0.3 Yb alloy remained stable, maintaining 628.2 MPa even after aging time of 8 h. The addition of Yb extended the high-stress peak aging time from 2 h to 4 h, prolonging the peak aging time. The 0.3 Yb alloy exhibited a \"2–8 h aging strengthening peak region,\" demonstrating better performance stability, reduced fluctuation, and a yield strength above 600 MPa. This contrasts with the Yb-free alloy, which only showed a transient peak aging region (2 h). The addition of Yb effectively increased the formation energies of the η′ and η phases, suppressed the coarsening of the η′ to η phase, and extended the process window for the synergy of creep strain and aging precipitation.</div></div>","PeriodicalId":385,"journal":{"name":"Materials Science and Engineering: A","volume":"943 ","pages":"Article 148767"},"PeriodicalIF":6.1,"publicationDate":"2025-07-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144571277","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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

Microstructural evolution, bonding mechanism, and fracture behavior of 6061-T4 Al/Q355B steel dissimilar joints fabricated by inertia friction welding 惯性摩擦焊接6061-T4 Al/Q355B钢异种接头的组织演变、结合机制及断裂行为

IF 6.1 2区材料科学

Materials Science and Engineering: A Pub Date : 2025-07-05 DOI: 10.1016/j.msea.2025.148771

Huizhao Li , Bo Liu , Yiben Zhang , Xiaxu Huang , Jian Yang , Yi Wu , Ke Zhang , Yinglei Xue , Guochao Dong , Liren Wang

{"title":"Microstructural evolution, bonding mechanism, and fracture behavior of 6061-T4 Al/Q355B steel dissimilar joints fabricated by inertia friction welding","authors":"Huizhao Li , Bo Liu , Yiben Zhang , Xiaxu Huang , Jian Yang , Yi Wu , Ke Zhang , Yinglei Xue , Guochao Dong , Liren Wang","doi":"10.1016/j.msea.2025.148771","DOIUrl":"10.1016/j.msea.2025.148771","url":null,"abstract":"<div><div>This study explores the inertial friction welding (IFW) of 6061-T4 Al alloy with Q355B steel, with a focus on the evolution of the joint interface microstructure and its influence on mechanical properties. The bonding mechanism and fracture behavior are elucidated as well. The findings reveal the formation of an intermetallic compounds (IMCs) at the weld joint, including Al<sub>2</sub>Fe, Fe<sub>2</sub>Al<sub>5</sub>, Mg-rich Al<sub>2</sub>O<sub>3</sub>, and the Al matrix. Uneven distribution of heat, force, and friction states at the welding interface results in heterogeneous distributions of grain size, recrystallization degree, dislocations, and texture. The Brass {011} <211> texture shows a moderate Schmid factor and Taylor factor, whereas the P {011} <122> texture has a high Schmid factor and low Taylor factor. Grain refinement, dislocation motion inhibition, grain boundary strengthening, and the Brass {011} <211> texture enhance the joint performance. Conversely, the build-up of deformed grains, the presence of oxides, and the development of the P {011} <122> texture decrease the joint's ductility. The brittle IMC layers and Mg-rich Al<sub>2</sub>O<sub>3</sub> trigger crack initiation, serving as the primary fracture mechanism. The development of the P {011} <122> texture, coupled with sparse dislocations that initiate and propagate cracks, serves as the secondary fracture mechanism of the joint. The Schmid factor is linked to frictional heat, while the Taylor factor is associated with grain deformation and the formation of IMCs.</div></div>","PeriodicalId":385,"journal":{"name":"Materials Science and Engineering: A","volume":"943 ","pages":"Article 148771"},"PeriodicalIF":6.1,"publicationDate":"2025-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144580433","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"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