Erasmo F. Vergara, Gildean do N. Almeida, Lucas R. Zanatta, Arcanjo Lenzi
{"title":"Hybrid Acoustic Metamaterial Based on Absorption Accumulation Peaks for a Broad Sound Energy Control","authors":"Erasmo F. Vergara, Gildean do N. Almeida, Lucas R. Zanatta, Arcanjo Lenzi","doi":"10.1002/adem.202402345","DOIUrl":"https://doi.org/10.1002/adem.202402345","url":null,"abstract":"<p>Controlling sound energy over a wide spectrum of frequencies through structures with a subwavelength scale is a challenge in acoustics. In this sense, a hybrid acoustic metamaterial model (HAMM) that acts over a wide frequency spectrum is presented. The structure consists of a combination of a porous layer and an acoustic metamaterial (AMM). Two samples are evaluated to establish effective control of sound energy (<span></span><math>\u0000 <semantics>\u0000 <mrow>\u0000 <mi>α</mi>\u0000 <mo>≥</mo>\u0000 <mn>60</mn>\u0000 <mo>%</mo>\u0000 </mrow>\u0000 <annotation>$alpha geq $</annotation>\u0000 </semantics></math>) between 450 and 6400 Hz with the structure reaching a maximum ratio of <span></span><math>\u0000 <semantics>\u0000 <mrow>\u0000 <mi>λ</mi>\u0000 <mo>/</mo>\u0000 <mn>11.5</mn>\u0000 </mrow>\u0000 <annotation>$lambda / 11.5$</annotation>\u0000 </semantics></math>. Furthermore, the behavior of sound waves in the structure is explored through analysis of the sound pressure field, instantaneous particle velocity, and thermoviscous dissipation. One of the highlights of the HAMM is that it is composed of an AMM that has a low phase velocity. Thus, the ultra-slow sound in part of the structure allows the low-frequency resonance frequency to be shifted to lower frequencies. Another characteristic is that because of the accumulation of absorption peaks below the bandgap of the AMM, a low-frequency broadband absorption is guaranteed. Therefore, this work contributes substantially to advances in the area of sound energy control over a wide spectrum of frequencies through the use of different combined acoustic materials.</p>","PeriodicalId":7275,"journal":{"name":"Advanced Engineering Materials","volume":"27 5","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143536104","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Guoxin Cao, Jianxin Dong, Guoliang Xie, Zhihua Nie, Tengfei Ma, Baoquan Fu
{"title":"A Novel Ni-42W-10Co-1Mo Medium–Heavy Alloy with Excellent Static/Dynamic Properties","authors":"Guoxin Cao, Jianxin Dong, Guoliang Xie, Zhihua Nie, Tengfei Ma, Baoquan Fu","doi":"10.1002/adem.202402350","DOIUrl":"https://doi.org/10.1002/adem.202402350","url":null,"abstract":"<p>A novel Ni-42W-10Co-1Mo (wt%) medium-heavy alloy (MHA) with excellent static/dynamic properties is designed and further optimized via heat treatment. The Ni-42W-10Co-1Mo alloy is melted via vacuum induction melting (VIM)+vacuum arc remelting (VAR) and then forged into a billet. The forged microstructure is equiaxed grains, and the μ phase is arranged in a strip, forming a band structure. The grain size increases as the solution temperature increases from 1100 to 1250 °C, whereas the grain size in the precipitated phase region is relatively small because of the pinning effect. The Ni-42W-10Co-1Mo alloy shows a balanced strength (yield strength of 530 MPa) and ductility (tensile strain of 55%) after solution treatment at 1200 °C. Moreover, the dynamic property of Ni-42W-10Co-1Mo MHA is excellent, which exhibits a positive strain rate effect at strain rates ranging from 2000 to 5000 s<sup>−1</sup>. The flow stress is decreased after solution treatment, while the impact absorption energy is enhanced. The adiabatic shear band under a high strain rate is not observed under all conditions, indicating excellent impact resistance performance. The dislocation movement and twins are the main deformation mechanisms under a high strain rate. Moreover, the heterogeneous structure plays a positive effect on static and dynamic mechanical properties.</p>","PeriodicalId":7275,"journal":{"name":"Advanced Engineering Materials","volume":"27 5","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143536105","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Low-Velocity Impact Behavior of 3D-Printed Sandwich Panels with Integrated Composite Face Sheets","authors":"Sajad Karami, Mojtaba Haghighi-Yazdi, Majid Safarabadi","doi":"10.1002/adem.202401923","DOIUrl":"https://doi.org/10.1002/adem.202401923","url":null,"abstract":"<p>Composite panels are made of a core and skins that are typically bonded with adhesive. Traditional adhesive bonding is time-consuming and requires precision, often leading to debonding under varied loading conditions. Additionally, thermal expansion differences between the core, skin, and adhesive cause residual stresses, compromising performance. This research develops a cost-effective method for creating integrated sandwich panels, addressing the effectiveness of such unification under low-velocity impact loading. Using a standard dual-nozzle fused deposition modeling 3D printer with minimal modifications, continuous fibers embedded in a thermoplastic polymer for the skin and a thermoplastic polymer for the core are simultaneously deposited, ensuring material consistency between the core and matrix of the skins, leading to an integrated panel. Integrated samples are compared to pure (fiberless) and adhesive-bonded samples under an 18 J low-velocity impact test. The integrated samples show significant improvements, with maximum impactor acceleration (279.7 m s<sup>−2</sup>) and force per unit mass (83 283 N kg<sup>−1</sup>), surpassing adhesive-bonded and pure samples by 35 and 110%, respectively. Additionally, integrated samples show significantly less damage, with dent diameters (9.77 mm) and dent depths (1.52 mm) considerably lower. These findings highlight the benefits of this approach in enhancing impact resistance, reducing damage, and improving energy absorption in composite sandwich structures.</p>","PeriodicalId":7275,"journal":{"name":"Advanced Engineering Materials","volume":"27 4","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143431429","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Effect of Nonisothermal Annealing on Microstructure and Mechanical Properties of Al–Mg Alloy","authors":"Yaru Wu, Hongfu Yang, Shumeng Lu, Shanju Zheng, Xiaohong Yuan, Yawei Peng, Mengnie Li","doi":"10.1002/adem.202402251","DOIUrl":"https://doi.org/10.1002/adem.202402251","url":null,"abstract":"<p>The impact of nonisothermal annealing on the microstructure and mechanical properties of continuously cast and rolled Al–Mg alloys is investigated. The microstructure and mechanical properties of the alloy after nonisothermal annealing at 360, 380, and 400 °C are compared with those of isothermally annealed samples at the same temperatures. The analysis encompasses the quantity and size of precipitates, dislocation density, microstructure, and mechanical properties of the annealed alloy. The results show that the nonisothermal annealing involved in the experiments enhances the resistance of the alloys to annealing softening, and the nonisothermal annealed alloys are significantly stronger compared to the isothermally annealed alloys. Peak tensile strength (317.88 ± 1.19 MPa) and peak hardness (81.3 HV) are observed at 380 °C. Transmission electron microscopy (TEM) identifies the primary precipitates as β-Al<sub>3</sub>Mg<sub>2</sub>, Mg<sub>5</sub>Si<sub>6</sub>, and Al<sub>6</sub> (Fe Mn). Quantitative analysis reveals that nonisothermal annealing promotes the formation of more finely dispersed precipitates. The alloy's enhanced strength can be attributed to the combined effects of dispersion strengthening, grain refinement, and dislocation strengthening. This study holds significant implications for improving the annealing process of Al–Mg alloys.</p>","PeriodicalId":7275,"journal":{"name":"Advanced Engineering Materials","volume":"27 5","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143533360","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ivan A. Nazhestkin, Sergey V. Bakurskiy, Alex A. Neilo, Irina E. Tarasova, Nidzhat G. Ismailov, Vladimir L. Gurtovoi, Sergey V. Egorov, Sergey A. Lisitsyn, Vasily S. Stolyarov, Vladimir N. Antonov, Valery V. Ryazanov, Mikhail Y. Kupriyanov, Igor I. Soloviev, Nikolay V. Klenov, Dmitry S. Yakovlev
{"title":"High Kinetic Inductance in Platinum-Coated Aluminum Nanobridge Interferometers","authors":"Ivan A. Nazhestkin, Sergey V. Bakurskiy, Alex A. Neilo, Irina E. Tarasova, Nidzhat G. Ismailov, Vladimir L. Gurtovoi, Sergey V. Egorov, Sergey A. Lisitsyn, Vasily S. Stolyarov, Vladimir N. Antonov, Valery V. Ryazanov, Mikhail Y. Kupriyanov, Igor I. Soloviev, Nikolay V. Klenov, Dmitry S. Yakovlev","doi":"10.1002/adem.202402385","DOIUrl":"https://doi.org/10.1002/adem.202402385","url":null,"abstract":"<p>The transport properties of a nanobridge superconducting quantum interference device made of Al/Pt bilayer have been studied. Measurement and approximation of the voltage-field dependencies allow to estimate the inductance of the structure. It is found that this value significantly exceeds the expected geometric inductance and exhibits an atypical temperature dependence. To explain this effect, a microscopic model of electron transport in SN bilayers is developed, considering the proximity effect, and the available regimes of the current distribution are described. The measured properties may be indicative of the formation of high-resistance aluminum with high values of kinetic inductance during the fabrication of Al/Pt bilayers.</p>","PeriodicalId":7275,"journal":{"name":"Advanced Engineering Materials","volume":"27 5","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/adem.202402385","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143533361","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jean Pascal Fandré, Samuel Pennell, Sapna Lalitha Ramesh, Jeffrey Lopez, Ralph Spolenak, David Christophe Dunand
{"title":"Hierarchically Porous SnO2/Cu Composites via Freeze Casting and Selective Cu Reduction","authors":"Jean Pascal Fandré, Samuel Pennell, Sapna Lalitha Ramesh, Jeffrey Lopez, Ralph Spolenak, David Christophe Dunand","doi":"10.1002/adem.202402635","DOIUrl":"https://doi.org/10.1002/adem.202402635","url":null,"abstract":"<p>Lamellar SnO<sub>2</sub>/Cu foams are created by directional freeze casting of SnO<sub>2</sub>/CuO slurries followed by liquid phase sintering and subsequent hydrogen reduction to achieve a two-phase, interpenetrating SnO<sub>2</sub>-30 vol% Cu lamellar structure. The resulting SnO<sub>2</sub>/Cu foams exhibit both lamellar channels (millimeters in length) from the freeze-casting step and submicron porosity within the Cu phase from the reduction step. This hierarchical microstructure provides increased electronic conductivity relative to unmodified SnO<sub>2</sub>. When applied as a negative electrode material for lithium-ion batteries, the interaction between the mesoporous Cu phase and embedded SnO<sub>2</sub> enables the conversion reaction of the SnO<sub>2</sub> and Li to become reversible, improving the capacity of the electrode. However, the lamellar structure is ultimately unable to accommodate the expansion of the Sn during lithiation, resulting in a breakdown of the architecture during cycling.</p>","PeriodicalId":7275,"journal":{"name":"Advanced Engineering Materials","volume":"27 5","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/adem.202402635","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143533362","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Hybrid Preceramic Aerogels for Oil and Solvent Cleanup","authors":"Oyku Icin, Cekdar Vakifahmetoglu","doi":"10.1002/adem.202402182","DOIUrl":"https://doi.org/10.1002/adem.202402182","url":null,"abstract":"<p>This study presents the first synthesis and characterization of monolithic hybrid preceramic aerogels using distinct drying techniques: ambient pressure (ambigels) and CO<sub>2</sub> supercritical drying. Polymeric ambi/aerogels, derived from polyhydromethlysiloxane (PHMS) and divinylbenzene (DVB), are processed at 200 °C, while hybrid ceramic-polymer (ceramer) is produced through pyrolysis at 600 °C. Despite variations in drying methods, polymer and ceramer ambi/aerogels exhibit comparable microstructural characteristics, bulk density, pore size and volume, and specific surface area (542–841 m<sup>2</sup> g<sup>−1</sup>). Polymeric and ceramer ambigel with 90 vol% total porosity yield a compressive strength, reaching 2.5 MPa, demonstrating a low thermal conductivity of 0.046 W m<sup>−1</sup> K<sup>−1</sup>. Sorption tests are conducted using oil and organic solvents in aqueous media to benefit their high hydrophobicity (112° < <i>θ</i> < 142°). Aerogels exhibit high sorption capacities: 13.17 g g<sup>−1</sup> for sesame oil, 11.74 g g<sup>−1</sup> for toluene, and 9.19 g g<sup>−1</sup> for n-hexane. The sorption rate for the oil is nearly 10 times slower than that for toluene and n-hexane. Regarding regeneration and reusability, polymer and ceramer aerogels show consistent sorption properties cycles tested for n-hexane and toluene.</p>","PeriodicalId":7275,"journal":{"name":"Advanced Engineering Materials","volume":"27 4","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143431786","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Iacopo Mattich, Alessandro Ofner, André R. Studart
{"title":"Precision Macroporous Monoliths Made Using High-Throughput Microfluidic Emulsification","authors":"Iacopo Mattich, Alessandro Ofner, André R. Studart","doi":"10.1002/adem.202570006","DOIUrl":"https://doi.org/10.1002/adem.202570006","url":null,"abstract":"<p><b>Precision Macroporous Monoliths</b>\u0000 </p><p>In article number 2401363, André R. Studart, Iacopo Mattich, and Alessandro Ofner fabricate centimeter-scale macroporous materials with precisely controlled pore sizes from monodisperse droplets made by high-throughput microfluidics. Macroporosity is created by gravity-induced self-assembly of droplets, followed by polymerization of the continuous phase. Because it combines scalability, pore size control, and tunable chemistry, this microfluidic platform offers a powerful self-assembly approach to produce macroporous materials for catalysis, electrochemistry and separation processes.\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":7275,"journal":{"name":"Advanced Engineering Materials","volume":"27 2","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/adem.202570006","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143117882","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Adam Bischoff, Carter Bawcutt, Maksim Sorkin, Joel Yazzie, Caitlyn C. Cook, Samuel C. Leguizamon, Adam W. Cook, Devin J. Roach
{"title":"Monodomain Liquid-Crystal Elastomer Lattices for Broad Strain-Rate Mechanical Damping","authors":"Adam Bischoff, Carter Bawcutt, Maksim Sorkin, Joel Yazzie, Caitlyn C. Cook, Samuel C. Leguizamon, Adam W. Cook, Devin J. Roach","doi":"10.1002/adem.202570008","DOIUrl":"https://doi.org/10.1002/adem.202570008","url":null,"abstract":"<p><b>Liquid-Crystal Elastomer Lattices</b>\u0000 </p><p>In article number 2401796, Devin J. Roach and co-workers use direct ink write 3D printing to fabricate aligned, monodomain liquid-crystal elastomer (LCE) lattice structures for broad strain-rate mechanical damping. It is shown that these structures can dissipate strain energy in quasi-static environments, comparable to traditional elastomeric lattices, and provide improved damping under high strain-rate drop testing due to LCE soft elasticity. Art by the team of INMYWORK Studio (https://inmywork.com).\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":7275,"journal":{"name":"Advanced Engineering Materials","volume":"27 2","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/adem.202570008","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143117884","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Nada Kraiem, Nicolas Tessier-Doyen, Aofei Mao, Gang Ji, Fei Wang, Emmanuel Loubère, Haoyu Dong, Qiuchi Zhu, Bai Cui, Jean-François Silvain, Yong Feng Lu
{"title":"Laser Powder Bed Fusion of Diamond-Reinforced AlSi10Mg: Printing Process, Interfacial Characterization, and Mechanical Properties","authors":"Nada Kraiem, Nicolas Tessier-Doyen, Aofei Mao, Gang Ji, Fei Wang, Emmanuel Loubère, Haoyu Dong, Qiuchi Zhu, Bai Cui, Jean-François Silvain, Yong Feng Lu","doi":"10.1002/adem.202402366","DOIUrl":"https://doi.org/10.1002/adem.202402366","url":null,"abstract":"<p>The additive manufacturing of metal matrix composites (MMCs) using laser powder bed fusion (LPBF) is gaining considerable attention for its ability to produce high-performance materials with intricate geometries. However, incorporating reinforcement such as diamond (D) particles poses challenges to the melting and solidification behavior of the powders, potentially affecting print quality. In this study, the laser irradiation of AlSi10Mg powder mixed with 5 vol% of uncoated D particles is investigated across varying processing parameters. Dense (97%) and crack-free parts are successfully produced using high laser powers (300 and 400 W) and low laser scanning speeds (300 and 400 mm s<sup>−1</sup>). It is shown that the energy needed for proper melting of the powder surpasses that required for printing pure AlSi10Mg. Scanning transmission electron microscopy coupled with energy-dispersive X-ray spectroscopy uncovers a direct interfacial reaction between the molten aluminum (Al) and the D reinforcement, forming Al carbide at the Al–D interface. Moreover, Al composites processed under optimal energy density exhibit an enhanced Young's modulus. It is highlighted that optimizing LPBF processing parameters is crucial to achieve superior material properties in MMCs, while controlled matrix–reinforcement interactions offer the potential for tailored properties.</p>","PeriodicalId":7275,"journal":{"name":"Advanced Engineering Materials","volume":"27 5","pages":""},"PeriodicalIF":3.4,"publicationDate":"2025-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143536081","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}