Materials & Design最新文献_第9页

Light and pH-activated nanoplatform based on oxidative stress-amplified for photodynamic and ferroptosis synergistic therapy of breast cancer

IF 7.6 2区材料科学

Materials & Design Pub Date : 2025-02-19 DOI: 10.1016/j.matdes.2025.113744

Song Li , Zhenxin Guan , Yurong Liu , Xiaokang Zhang , Yunheng Liu , Shaojing Jiang , Wenjing Liu , Aoya Wang , Xiaolin Li , Xukai Che , Liyuan Shao , Li Zhang , Jinghui Hu , Jing Chen

{"title":"Light and pH-activated nanoplatform based on oxidative stress-amplified for photodynamic and ferroptosis synergistic therapy of breast cancer","authors":"Song Li , Zhenxin Guan , Yurong Liu , Xiaokang Zhang , Yunheng Liu , Shaojing Jiang , Wenjing Liu , Aoya Wang , Xiaolin Li , Xukai Che , Liyuan Shao , Li Zhang , Jinghui Hu , Jing Chen","doi":"10.1016/j.matdes.2025.113744","DOIUrl":"10.1016/j.matdes.2025.113744","url":null,"abstract":"<div><div>Compared to traditional tumor chemotherapy, photodynamic therapy (PDT) can effectively reduce toxic side effects and prevent tumor resistance. However, the reactive oxygen species (ROS) generated by photosensitizers are limited, and the destructive effects on tumor cells are inadequate. In this study, nanomedicines loaded with the photosensitizers chlorin e6 (Ce6) and dihydroartemisinin (DHA) were constructed using human serum albumin (HSA) and transferrin (Tf), self-assembly for the programmed activation, and expansion of ROS in tumor cells. These nanomedicines, Ce6/DHA@HSA-SS-Tf nanoparticles (NPs), can target Tf receptors overexpressed on cancer cells to produce ROS through PDT with laser irradiation. Subsequently, the ROS-responsive vector is cleaved, and iron ions catalyze the released DHA to produce sufficient ROS and induce ferroptosis in tumor cells. The nanomedicine amplifies the ROS content in tumor cells through a dual response and programmed activation, which can effectively solve the problem of insufficient ROS production in tumor PDT. Consequently, the Ce6/DHA@HSA-SS-Tf NPs demonstrate excellent anti-tumor effects through the synergistic effects of PDT and ferroptosis. This treatment strategy provides a reliable basis for tumor-specific and efficient treatments.</div></div>","PeriodicalId":383,"journal":{"name":"Materials & Design","volume":"252 ","pages":"Article 113744"},"PeriodicalIF":7.6,"publicationDate":"2025-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143463906","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Natural pigments as multifunctional additives in contact lenses

IF 7.6 2区材料科学

Materials & Design Pub Date : 2025-02-19 DOI: 10.1016/j.matdes.2025.113748

C. Muhammed Shebeeb , Sanjana Chandran , Liya Jacob , Abdulrahim Sajini , Haider Butt

{"title":"Natural pigments as multifunctional additives in contact lenses","authors":"C. Muhammed Shebeeb , Sanjana Chandran , Liya Jacob , Abdulrahim Sajini , Haider Butt","doi":"10.1016/j.matdes.2025.113748","DOIUrl":"10.1016/j.matdes.2025.113748","url":null,"abstract":"<div><div>Continuous exposure to blue light emitting devices as part of modern life leads to melatonin suppression that results in poor sleep quality and overall health. Contact lenses capable of blue light filtering could be used to mitigate this issue. This can be facilitated by using natural dyes to filter certain wavelengths from contact lenses. In this research, <em>Curcuma Aromatica</em> and <em>Rubia Cordifolia</em> were used to stain commercial contact lenses. This improved the blue light filtering capability and antibacterial resistance against <em>Staphylococcus aureus</em> and <em>Pseudomonas aeruginosa</em> bacteria. The UV Vis transmission spectra showed great blue light reduction for both natural pigments, <em>C. aromatica</em> being the better choice. The lenses showed a reduction of around 95 % in the blue light region while maintaining high transparency. Use of PVA improved the shelf life for <em>C. aromatica,</em> by providing better stability in both deionized water and contact lens storage solution. The lenses showed comparable contact angle and water retention properties, indicating that the additives retained the commercial contact lens’ properties. The MTT assay and Trypan blue assay indicated very good cell viability implying good biocompatibility of the lenses. Additionally, the anti-inflammatory effect of C. aromatica and C. aromatica + PVA dipped lenses strengthens the possibility of implementing them in further applications. The <em>R. cordifolia</em> dipped lenses seem to have improved inflammatory responses upon the addition of PVA. These lenses show great promise for protection against blue light from displays and other sources, offering a remedy to prolonged exposure to blue light.</div></div>","PeriodicalId":383,"journal":{"name":"Materials & Design","volume":"252 ","pages":"Article 113748"},"PeriodicalIF":7.6,"publicationDate":"2025-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143478949","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Femtosecond-laser-surface-nanostructured glass for building-integrated photovoltaics

IF 7.6 2区材料科学

Materials & Design Pub Date : 2025-02-19 DOI: 10.1016/j.matdes.2025.113745

Lingju Meng , Mohammad Awashra , Sara Hamed , Dmytro Gnatyuk , Ville Vähänissi , Ville Jokinen , Hele Savin , Xiaolong Liu

{"title":"Femtosecond-laser-surface-nanostructured glass for building-integrated photovoltaics","authors":"Lingju Meng , Mohammad Awashra , Sara Hamed , Dmytro Gnatyuk , Ville Vähänissi , Ville Jokinen , Hele Savin , Xiaolong Liu","doi":"10.1016/j.matdes.2025.113745","DOIUrl":"10.1016/j.matdes.2025.113745","url":null,"abstract":"<div><div>The emerging luminescent solar concentrators (LSC) for building-integrated photovoltaics (BIPV) face challenges such as narrow conversion spectrum, material degradation, high costs, and safety concerns, while their reliance on complex fabrication processes further hinders their practical application in large-area systems. In this paper, we present a novel application of femtosecond-laser-nanostructured borosilicate glass for BIPV, offering a promising alternative to traditional LSC windows. Utilizing a scalable, one-step femtosecond laser direct writing process, we fabricate nanostructured borosilicate glass specifically designed to effectively scatter incident light toward solar cells positioned at the edges of the glass. To optimize the laser processing, we perform comprehensive characterizations using scanning electron microscopy, X-ray diffraction, Raman spectroscopy, photoluminescence spectroscopy, and spectrophotometry. The proof-of-concept system demonstrates that the glass processed at an optimized scan speed exhibits a 55-fold increase in photocurrent generation compared to unprocessed glass, highlighting its enhanced optical efficiency. Additionally, a hydrophobic coating is applied on the nanostructured glass to confer self-cleaning properties, achieving superhydrophobicity with advancing and receding contact angles of approximately 170°. This novel approach to utilizing nanostructured glass for solar concentration shows considerable promise for improving both the efficiency and practicality of building-integrated photovoltaics.</div></div>","PeriodicalId":383,"journal":{"name":"Materials & Design","volume":"252 ","pages":"Article 113745"},"PeriodicalIF":7.6,"publicationDate":"2025-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143454781","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Phase transformation and recrystallization of cold-rolled AISI 304L austenitic stainless steel during annealing

IF 7.6 2区材料科学

Materials & Design Pub Date : 2025-02-19 DOI: 10.1016/j.matdes.2025.113738

Peng Wang, Muhammad Farrukh Siddiqui, Maria Cecilia Poletti, Norbert Enzinger

{"title":"Phase transformation and recrystallization of cold-rolled AISI 304L austenitic stainless steel during annealing","authors":"Peng Wang, Muhammad Farrukh Siddiqui, Maria Cecilia Poletti, Norbert Enzinger","doi":"10.1016/j.matdes.2025.113738","DOIUrl":"10.1016/j.matdes.2025.113738","url":null,"abstract":"<div><div>Refining the heat-affected zone (HAZ) microstructure of thermomechanically welded cold-worked AISI 304L austenitic stainless steels (ASSs) improves the weld quality. This study explored the annealing behavior of cold-rolled AISI 304L ASSs through heat treatments over temperatures ranging from 600 °C to 1200 °C and holding times ranging from 2 min to 480 min. The microstructure was analyzed using optical microscopy and EBSD, and the deformation-induced martensite (DIM) content was evaluated using the ferrite scope. Vickers hardness values were correlated with the microstructure evolution following the Hall-Patch relationship. The grain size distribution and the kinetics of grain coarsening were analyzed. Results show that during annealing, the reverse transformation of DIM occurred, followed by static recrystallization of the γ-austenite phase. After recrystallization, grains coarsen with an activation energy of 133.8 kJ/mol, and grain size distribution fits a log-normal function. Nanoscale grains (< 180 nm) were achieved in cold-rolled samples (67 % thickness reduction) annealed at 700 °C for 4 h. The δ-ferrite, primarily located at γ-grain boundaries, retarding their movement during recrystallization and coarsening. Finally, the δ-ferrite partially transformed into austenite and globularized during annealing. These findings show that the processes of phase transformation and recrystallization in cold-worked dual-phase steels are coupled.</div></div>","PeriodicalId":383,"journal":{"name":"Materials & Design","volume":"252 ","pages":"Article 113738"},"PeriodicalIF":7.6,"publicationDate":"2025-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143463908","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Effect of SiC on the antioxidant properties of Al-containing composites Ti3SiC2/SiC and its oxidation mechanism analysis

IF 7.6 2区材料科学

Materials & Design Pub Date : 2025-02-19 DOI: 10.1016/j.matdes.2025.113746

Chengzhi Du , Bo Lei , Yajie Qi , Rui Zhang

{"title":"Effect of SiC on the antioxidant properties of Al-containing composites Ti3SiC2/SiC and its oxidation mechanism analysis","authors":"Chengzhi Du , Bo Lei , Yajie Qi , Rui Zhang","doi":"10.1016/j.matdes.2025.113746","DOIUrl":"10.1016/j.matdes.2025.113746","url":null,"abstract":"<div><div>This study aims at improving the oxidation resistance of ceramics intended for high-temperature applications by examining the quantitative SiC-reinforced aluminum-containing composites Ti<sub>3</sub>SiC<sub>2</sub>/SiC that were synthesized through a powder metallurgy method. The high-temperature antioxidant properties of these composites were evaluated at temperatures between 900 °C and 1300 °C. The findings reveal that an increase in SiC content elevates the activation energy associated with oxidation, mitigates oxidation behavior, and decreases the weight gain attributable to oxidation of the material. Additionally, the formation of the oxide layer and atomic diffusion were investigated through the analysis of surface micro-morphology and the distribution of the oxide layer at the interface. It was found that the addition of SiC modifies the oxide layer structure of the material, which primarily consists of an outer mixed oxide layer of TiO<sub>2</sub> and Al<sub>2</sub>O<sub>3</sub>, an intermediate oxide layer of TiO<sub>2</sub> with a small amount of SiO<sub>2</sub>, and an inner homogeneous mixed oxide layer of TiO<sub>2</sub> and SiO<sub>2</sub>. Finally, the high-temperature oxidation mechanism of Ti<sub>3</sub>SiC<sub>2</sub>/SiC composites is systematically illustrated through experimental results.</div></div>","PeriodicalId":383,"journal":{"name":"Materials & Design","volume":"252 ","pages":"Article 113746"},"PeriodicalIF":7.6,"publicationDate":"2025-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143519451","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Programmable control of soft magnetic helical microrobot from microfluidics

IF 7.6 2区材料科学

Materials & Design Pub Date : 2025-02-18 DOI: 10.1016/j.matdes.2025.113707

Yikai Wu , Can Wang , Wenhui Zhang , Jiahui Yang, Hainiu Zhu, Linlin Xia, Jie Wang

{"title":"Programmable control of soft magnetic helical microrobot from microfluidics","authors":"Yikai Wu , Can Wang , Wenhui Zhang , Jiahui Yang, Hainiu Zhu, Linlin Xia, Jie Wang","doi":"10.1016/j.matdes.2025.113707","DOIUrl":"10.1016/j.matdes.2025.113707","url":null,"abstract":"<div><div>Soft magnetic helical microrobots (SMHMs) have received increasing attention due to their body compliance, high controllability, and rotation-based motion. Their accurate and programmable control is expected for complex environments facing practical applications. We fabricate the SMHM easily through microfluidics, and build a Helmholtz coil system with a user-friendly graphical user interface (GUI) to programmatically control them. By controlling the currents of three-dimensional Helmholtz coil, the rotation speed and direction of the uniform rotating magnetic field generated by the coil can be customized. Besides, SMHMs can rotate in the direction perpendicular to the rotation axis of the magnetic field, and their speeds increase with the magnetic rotation frequency. Thus, the accurate manipulation of the SMHMs’ speed and direction will be achieved just by regulating the coil current. Further, a GUI combined with path planning algorithm is developed to control SMHMs by programming the currents, planning the optimal path for SMHMs, and monitoring their real-time motions. Even non-specialists could easily manipulate SMHMS to move along the desired path and realize the controllable obstacle avoidance movement, which is programmable, user-friendly, and potential for complex scenarios. These characteristics may enable more accurate, effective, and safe work of SMHMs in various fields.</div></div>","PeriodicalId":383,"journal":{"name":"Materials & Design","volume":"252 ","pages":"Article 113707"},"PeriodicalIF":7.6,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143463902","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The interaction between local melting and helium bubble in radiated aluminium under dynamic tension at high temperature and strain rates

IF 7.6 2区材料科学

Materials & Design Pub Date : 2025-02-18 DOI: 10.1016/j.matdes.2025.113741

Tingting Zhou, Fuqi Zhao, Anmin He, Pei Wang

{"title":"The interaction between local melting and helium bubble in radiated aluminium under dynamic tension at high temperature and strain rates","authors":"Tingting Zhou, Fuqi Zhao, Anmin He, Pei Wang","doi":"10.1016/j.matdes.2025.113741","DOIUrl":"10.1016/j.matdes.2025.113741","url":null,"abstract":"<div><div>Materials exposed to extreme radiation environments (e.g., nuclear devices) accumulate substantial defects, such as helium (He) bubbles. These defects can alter material properties, including melting behavior, which has not been intensively explored. Here, the melting process and the He bubble evolution in aluminium under dynamic tension at high temperature and strain rates were investigated via molecular dynamic simulations. We found that the melting process contains slow premelting and sequential fast local melting at relatively lower strain rates (10<sup>6</sup> ∼ 10<sup>8</sup> /s). The rapid growth of the bubble promotes local melting, which in turn facilitates the migration and shrinkage of the bubble. The underlying microscopic mechanisms for the interplay between the bubble and local melting have also been uncovered. Such interaction becomes weak at high strain rates (10<sup>9</sup> ∼ 10<sup>10</sup> /s). Homogeneous melting occurs directly and spontaneously throughout the sample, and local melting around the bubble becomes inconspicuous. The evolution process of the bubble gets simple, characterized by continuous growth without shrinkage or migration. Furthermore, damage development is dominated by the growth of the He bubble, which occurs after the sample is nearly completely melted at lower strain rates while it happens concurrently with melting at high strain rates.</div></div>","PeriodicalId":383,"journal":{"name":"Materials & Design","volume":"252 ","pages":"Article 113741"},"PeriodicalIF":7.6,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143463903","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Mechanical properties of polymer-infiltrated ZrO2 ceramic network improved by incorporation of SiO2 component

IF 7.6 2区材料科学

Materials & Design Pub Date : 2025-02-18 DOI: 10.1016/j.matdes.2025.113739

Xinkai Cui , Xiaoyu Zhang , Lin Hu , Zhe Zhao , Kai Tang , Zhenyu Yang , Fu Wang , Jihua Chen , Lina Niu

{"title":"Mechanical properties of polymer-infiltrated ZrO2 ceramic network improved by incorporation of SiO2 component","authors":"Xinkai Cui , Xiaoyu Zhang , Lin Hu , Zhe Zhao , Kai Tang , Zhenyu Yang , Fu Wang , Jihua Chen , Lina Niu","doi":"10.1016/j.matdes.2025.113739","DOIUrl":"10.1016/j.matdes.2025.113739","url":null,"abstract":"<div><div>Polymer-infiltrated ZrO<sub>2</sub> ceramic networks, due to their similar elastic moduli and hardness with natural enamel, have become a promising material for dental restoration. However, since the couple between ZrO<sub>2</sub> and resin is difficult, the poor interface bonding of ZrO<sub>2</sub>/resin degrades the mechanical characteristics of polymer-infiltrated ZrO<sub>2</sub> ceramic networks. This study introduced SiO<sub>2</sub> into ZrO<sub>2</sub> as a scaffold to improve the coupling via the reaction of SiO<sub>2</sub> and silane coupling agents. The impacts of the SiO<sub>2</sub> concentration on the microstructures, the fracture characteristics, and mechanical properties of the porous ceramics and composites were investigated. The microstructures showed that ceramics and resins were bonded more tightly in PICNs with ZrO<sub>2</sub>/SiO<sub>2</sub> scaffold than PICNs with pure ZrO<sub>2</sub> scaffold. The flexural strengths of the composites were significantly improved by the addition of SiO<sub>2</sub>, which was attributed to the increased coupling degree. The composites with 20 mol.% SiO<sub>2</sub> as the porous ceramic exhibited the optimal mechanical properties, with flexural strength, elastic modulus, hardness, and fracture toughness values of 249.8 ± 24.3 MPa, 28.8 ± 4.0 GPa, 2.0 ± 0.2 GPa, and 2.6 ± 0.5 MPa·m<sup>1/2</sup>, respectively. This study provides valuable information for the preparation of polymer-infiltrated ZrO<sub>2</sub> ceramic networks with excellent performance for dental restorations.</div></div>","PeriodicalId":383,"journal":{"name":"Materials & Design","volume":"252 ","pages":"Article 113739"},"PeriodicalIF":7.6,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143463904","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Investigation on fabricating Ni/Ni3Al/NiAl thin-walled cup-shaped component by combining superplastic forming of Ni/Ni2Al3 composite sheet with subsequent in-situ reaction

IF 7.6 2区材料科学

Materials & Design Pub Date : 2025-02-18 DOI: 10.1016/j.matdes.2025.113740

Peng Lin , Pengle Kong , Bingyao Yan , Hongliang Yin , Dong Sun , Hao Feng , Qihan Zhang , Shuyong Jiang

{"title":"Investigation on fabricating Ni/Ni3Al/NiAl thin-walled cup-shaped component by combining superplastic forming of Ni/Ni2Al3 composite sheet with subsequent in-situ reaction","authors":"Peng Lin , Pengle Kong , Bingyao Yan , Hongliang Yin , Dong Sun , Hao Feng , Qihan Zhang , Shuyong Jiang","doi":"10.1016/j.matdes.2025.113740","DOIUrl":"10.1016/j.matdes.2025.113740","url":null,"abstract":"<div><div>In the present study, a novel approach is proposed to fabricating Ni/Ni<sub>3</sub>Al/NiAl thin-walled cup-shape component based on superplastic forming of Ni/Ni<sub>2</sub>Al<sub>3</sub> composite sheet with heterogeneous bimodal grains. Firstly, Ni/Ni<sub>2</sub>Al<sub>3</sub> composite sheet with heterogeneous bimodal grains is prepared by means of hot pressing reaction synthesis from Ni and Al for 2 h at 630 ℃ under the pressure of 20 MPa and it is characterized by superplasticity at 750℃ at the strain rate of 1 <span><math><mrow><mo>×</mo><msup><mrow><mn>10</mn></mrow><mrow><mo>-</mo><mn>3</mn></mrow></msup></mrow></math></span> to 1<span><math><mrow><mo>×</mo><msup><mrow><mn>10</mn></mrow><mrow><mo>-</mo><mn>2</mn></mrow></msup></mrow></math></span> s<sup>−1</sup>. Subsequently, Ni/Ni<sub>2</sub>Al<sub>3</sub> composite sheet can be readily used to be made into the thin-walled cup-shaped components by gas forming. The Ni/Ni<sub>2</sub>Al<sub>3</sub> thin-walled cup-shape component is subjected to second-order in-situ reaction for 4 h at 1000℃ under the pressure of 20 MPa, and consequently the involved Ni/Ni<sub>3</sub>Al/NiAl thin-walled cup-shaped component is fabricated, where Ni<sub>3</sub>Al and NiAl phases are dominant. In particular, Ni<sub>3</sub>Al phase contributes to enhancing high-temperature strength and NiAl phase is responsible for bolstering high-temperature plasticity. The present work provides a novel approach for fabricating Ni/Ni<sub>3</sub>Al/NiAl thin-walled cup-shaped component.</div></div>","PeriodicalId":383,"journal":{"name":"Materials & Design","volume":"252 ","pages":"Article 113740"},"PeriodicalIF":7.6,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143463905","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Understanding effects of deformation parameters on dynamic recrystallization-dependent superplasticity in an Al-Cu-Li alloy

IF 7.6 2区材料科学

Materials & Design Pub Date : 2025-02-17 DOI: 10.1016/j.matdes.2025.113734

Guotong Zou , Ruiqiang Zhang , Wei Wang , Jun Li , Lingying Ye

{"title":"Understanding effects of deformation parameters on dynamic recrystallization-dependent superplasticity in an Al-Cu-Li alloy","authors":"Guotong Zou , Ruiqiang Zhang , Wei Wang , Jun Li , Lingying Ye","doi":"10.1016/j.matdes.2025.113734","DOIUrl":"10.1016/j.matdes.2025.113734","url":null,"abstract":"<div><div>Aluminum alloys with initial unrecrystallized structures generally exhibit better superplasticity and are produced more efficiently and cost-effectively than fully recrystallized ones. However, the underlying recrystallization and deformation mechanisms of dynamic recrystallization (DRX)-dependent superplastic aluminium alloys under varying deformation parameters are not yet fully understood. This study investigates the effects of deformation parameters, Al<sub>3</sub>Zr dispersoids, and coarse secondary particles on DRX and superplasticity in an Al-Cu-Li alloy. The alloy achieves a maximum elongation of 780 % at 430 °C and 0.002 s<sup>−1</sup>, primarily due to continuous dynamic recrystallization (CDRX) and grain boundary sliding (GBS). Under optimal conditions, deformed grains transform into equiaxed recrystallized grains through sub-grain rotation and coalescence, with GBS dominating subsequent deformation. Lower Zener-Hollomon parameter (lnZ) conditions promote dynamic recovery (DRV) and sub-grain growth, hindering grain refinement and superplastic deformation. Conversely, higher lnZ values inhibit recrystallization due to insufficient thermal driving force and lower DRV, resulting in retained banded grains and reduced elongation. Cu-rich secondary phases enhance CDRX but lose efficacy with their dissolution and coarsening at low lnZ conditions. This work provides insights into DRX-dependent superplastic mechanisms and offers guidance for optimizing deformation parameters to enhance the performance of aluminum alloys.</div></div>","PeriodicalId":383,"journal":{"name":"Materials & Design","volume":"252 ","pages":"Article 113734"},"PeriodicalIF":7.6,"publicationDate":"2025-02-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143445806","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0