Journal of The European Ceramic Society最新文献_第7页

Performance and oxygen transport in dual-phase SrFe0.95Mo0.05O3-δ-Ce0.8Gd0.2O2-δ hollow fiber membranes for catalytic membrane reactors 催化膜反应器用双相SrFe0.95Mo0.05O3-δ- ce0.8 gd0.2 o2 -δ中空纤维膜的性能及氧输运

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-05-08 DOI: 10.1016/j.jeurceramsoc.2025.117520

O.V. Cherendina , E.V. Shubnikova , M.O. Khokhlova , R.D. Guskov , M.V. Arapova , O.A. Bragina , H. Jiang , G. He , A.P. Nemudry

{"title":"Performance and oxygen transport in dual-phase SrFe0.95Mo0.05O3-δ-Ce0.8Gd0.2O2-δ hollow fiber membranes for catalytic membrane reactors","authors":"O.V. Cherendina , E.V. Shubnikova , M.O. Khokhlova , R.D. Guskov , M.V. Arapova , O.A. Bragina , H. Jiang , G. He , A.P. Nemudry","doi":"10.1016/j.jeurceramsoc.2025.117520","DOIUrl":"10.1016/j.jeurceramsoc.2025.117520","url":null,"abstract":"<div><div>The dual-phase materials based on SrFe<sub>0.95</sub>Mo<sub>0.05</sub>O<sub>3-δ</sub> -Ce<sub>0.8</sub>Gd<sub>0.2</sub>O<sub>2-δ</sub> (SFM5-GDC) oxides with different phase ratios were prepared via Pechini method followed by the ball-milling and sintering. The influence of GDC phase content on the oxygen permeation flux and total conductivity of the dual-phase SFM5-GDC materials was investigated. Furthermore, the apparent activation energy values for oxygen transport through the SFM5-GDC hollow fiber membranes were estimated using two different kinetic models. Studies on the catalytic activity of the dual-phase SFM5-GDC hollow fiber membranes in the oxidative dehydrogenation of ethane showed a good performance when using air or CO<sub>2</sub> as oxygen source. In addition, the feasibility of ethylene production through alternative current heating of the hollow fiber membrane reactor was successfully demonstrated.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 13","pages":"Article 117520"},"PeriodicalIF":5.8,"publicationDate":"2025-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143928771","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

Development of TiO2 ultrafiltration membranes using nanoparticle slurry-based dip coating 纳米颗粒浆料基浸涂TiO2超滤膜的研制

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-05-08 DOI: 10.1016/j.jeurceramsoc.2025.117523

Jongman Lee , Jang-Hoon Ha , Hong Joo Lee , In-Hyuck Song , Syed Zaighum Abbas Bukhari

{"title":"Development of TiO2 ultrafiltration membranes using nanoparticle slurry-based dip coating","authors":"Jongman Lee , Jang-Hoon Ha , Hong Joo Lee , In-Hyuck Song , Syed Zaighum Abbas Bukhari","doi":"10.1016/j.jeurceramsoc.2025.117523","DOIUrl":"10.1016/j.jeurceramsoc.2025.117523","url":null,"abstract":"<div><div>TiO<sub>2</sub> ultrafiltration (UF) membranes are promising for environmental applications such as wastewater filtration and photocatalysis. Herein, dip coating of Al<sub>2</sub>O<sub>3</sub> microfiltration (MF) membranes with a TiO<sub>2</sub> nanoparticle (NP) slurry is proposed as an alternative to the conventional, laborious sol–gel method to prepare these membranes. The dispersion of the NPs in the slurry was optimized using chemical and mechanical treatments. The effect of the sintering temperature on the pore size distribution was evaluated. The slurry was stabilized by 2.3 wt% Darvan CN at pH 8.5. Small milling ball sizes improved the dispersion and reduced the agglomerate size. The optimized slurry was used to produce a 3.3 µm-thick TiO<sub>2</sub> UF layer. Sintering at 700 ℃ yielded pore sizes up to 50 nm and 26 nm (Hg porosity and molecular weight cut-off measurements, respectively). These findings demonstrate how dip coating using a TiO<sub>2</sub> NP slurry facilitates the development of TiO<sub>2</sub> UF membranes.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 13","pages":"Article 117523"},"PeriodicalIF":5.8,"publicationDate":"2025-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143924884","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

Radiation-induced defect formation and phase evolution in zirconium carbide ceramics 碳化锆陶瓷的辐射缺陷形成与相演化

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-05-08 DOI: 10.1016/j.jeurceramsoc.2025.117521

S.F. Samadov , N.A. Ismayilova , L.A. Tuyen , M.N. Nasrabadi , N.V.M. Trung , N.V. Tiep , O.A. Samedov , I.I. Mustafayev , S.H. Jabarov , A.A. Donkov , Matlab N. Mirzayev

{"title":"Radiation-induced defect formation and phase evolution in zirconium carbide ceramics","authors":"S.F. Samadov , N.A. Ismayilova , L.A. Tuyen , M.N. Nasrabadi , N.V.M. Trung , N.V. Tiep , O.A. Samedov , I.I. Mustafayev , S.H. Jabarov , A.A. Donkov , Matlab N. Mirzayev","doi":"10.1016/j.jeurceramsoc.2025.117521","DOIUrl":"10.1016/j.jeurceramsoc.2025.117521","url":null,"abstract":"<div><div>In this work, the evolution of defects in zirconium carbide (ZrC) nanocrystals under gamma irradiation was studied using both experimental and computational approaches. Positron Annihilation Spectroscopy (PAS) and Raman spectroscopy were used to characterize radiation-induced defects, structural changes, and vibrational modes in ZrC samples. Density Functional Theory (DFT) calculations revealed that the displacement damage in the ZrC lattice increased with irradiation dose, and the increase in defects led to a significant decrease in Young's modulus and to lower hardness. Irradiation at 3000 kGy enhances defect evolution by creating carbon vacancies that potentially combine with existing defects to form larger vacancy clusters. In the Raman spectra, a new peak due to Sp2 C-C was detected at 1795 cm<sup>−1</sup> at an absorption dose of 3000 kGy. The intensity ratio of the I<sub>D</sub>/I<sub>G</sub> band decreased from 1.133 (initial) to 1.09 (3000 kGy), reflecting amorphization and the formation of an oxide layer. These findings provide a foundation for future investigations aimed at optimizing the radiation tolerance of ZrC-based materials for advanced nuclear applications.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 13","pages":"Article 117521"},"PeriodicalIF":5.8,"publicationDate":"2025-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143934985","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

Boosting the CO2 permeability in a supported molten-carbonate membrane by tuning the ratio between the ionic and electronic conducting phases

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-05-08 DOI: 10.1016/j.jeurceramsoc.2025.117522

Liu Qu , Evangelos I. Papaioannou

{"title":"Boosting the CO2 permeability in a supported molten-carbonate membrane by tuning the ratio between the ionic and electronic conducting phases","authors":"Liu Qu , Evangelos I. Papaioannou","doi":"10.1016/j.jeurceramsoc.2025.117522","DOIUrl":"10.1016/j.jeurceramsoc.2025.117522","url":null,"abstract":"<div><div>High-temperature supported molten-carbonate membranes hold significant promise for selective CO<sub>2</sub> capture and utilization from fossil fuel combustion owing to their structural simplicity and cost-competitive operation as opposed to traditional solvent processes. High CO<sub>2</sub> capture rates, that can be quantitatively represented by the membrane’s permeability, are routinely expected to be dictated by the CO<sub>2</sub> driving force or the composition of the molten phase. Here, however, we demonstrate that in a supported molten-salt membrane fabricated using mixed ionic and electronic conducting oxides as the membrane material, the phase ratio between those phases can also control CO<sub>2</sub> permeability. We demonstrate this by using different ratios of Al-CeO<sub>2</sub> (ionic phase) and Al-ZnO (electronic phase) for the membrane material and operate under fixed CO<sub>2</sub> partial pressure driving force to show that higher ionic:electronic phase ratios lead to higher CO<sub>2</sub> permeabilities.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 13","pages":"Article 117522"},"PeriodicalIF":5.8,"publicationDate":"2025-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143942880","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

Colloidal silica as an anti-hydroxylation binder for pressed MgO structures 胶体二氧化硅作为压制氧化镁结构的抗羟基化粘合剂

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-05-07 DOI: 10.1016/j.jeurceramsoc.2025.117517

Rafael Salomão , Isabela S. Martinatti , Leandro Fernandes , Andreas Sundblom , Paulo R.T. Tiba

{"title":"Colloidal silica as an anti-hydroxylation binder for pressed MgO structures","authors":"Rafael Salomão , Isabela S. Martinatti , Leandro Fernandes , Andreas Sundblom , Paulo R.T. Tiba","doi":"10.1016/j.jeurceramsoc.2025.117517","DOIUrl":"10.1016/j.jeurceramsoc.2025.117517","url":null,"abstract":"<div><div>MgO-bricks for steelmaking require thermoset resin-based binders and pre-sintering steps above 1400ºC before installation to ensure strength and dimensional stability. Replacing resins with aqueous-based binders and employing shorter sintering schedules would save energy. An authors' study combined MgO particles and aqueous dispersion of silanized colloidal silica in a self-flowing suspension, reducing hydroxylation damages and improving strength before and after sintering. This study evaluated the same combination of raw materials in a pressed system. Fine MgO was sprayed with colloidal silica (0–0.04 SiO<sub>2</sub>-MgO molar ratio) and shaped by conventional uniaxial pressing. A thin magnesium silicate hydrate (4MgO.5SiO<sub>2</sub>·H<sub>2</sub>O) coating formed at the surfaces of MgO particles and prevented hydroxylation damage. During sintering, it softened and became a mixture of amorphous silica and Forsterite (Mg<sub>2</sub>SiO<sub>4</sub>). Compared to the silica-free reference, samples containing colloidal silica showed a two-to-three-fold green strength increase and higher densification levels after sintering at lower temperatures.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 13","pages":"Article 117517"},"PeriodicalIF":5.8,"publicationDate":"2025-05-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143924882","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

Transparent ceramics by cold sintering process – Challenges and opportunities

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-05-06 DOI: 10.1016/j.jeurceramsoc.2025.117519

Vojtěch Nečina

引用次数: 0

Atomic migration behavior of Ta4HfC5-SiBCN ceramics sintered by hot-pressing 热压烧结Ta4HfC5-SiBCN陶瓷的原子迁移行为

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-05-06 DOI: 10.1016/j.jeurceramsoc.2025.117510

Jingyi Guan , Daxin Li , Bo Wang , Zhihua Yang , Ning Cao , Ling Li , Yingying Wang , Dechang Jia , Yu Zhou

{"title":"Atomic migration behavior of Ta4HfC5-SiBCN ceramics sintered by hot-pressing","authors":"Jingyi Guan , Daxin Li , Bo Wang , Zhihua Yang , Ning Cao , Ling Li , Yingying Wang , Dechang Jia , Yu Zhou","doi":"10.1016/j.jeurceramsoc.2025.117510","DOIUrl":"10.1016/j.jeurceramsoc.2025.117510","url":null,"abstract":"<div><div>Ultra-high temperature ceramics matrix composites have great potential for application in the aerospace. However, the effects of atomic diffusion behavior on the properties are not clear. This work focuses on the diffusion behavior of Ta<sub>4</sub>HfC<sub>5</sub>-SiBCN multilayer gradient ceramics with meshing structure sintered by hot-pressing sintering. The order of atomic interdiffusion coefficients is Hf> Ta> Si, corresponding to (17.03 ± 8.15), (14.38 ± 5.67) and (10.71 ± 2.88) × 10<sup>−18</sup> m<sup>2</sup>/s, respectively. Moreover, the atomic migration behavior between Ta<sub>4</sub>HfC<sub>5</sub> and SiBCN was studied based on first principles. The results show that the vacancy migration energy of Ta atoms in SiC is 0.92 eV, which is greater than that of Hf atoms with 0.18 eV. In addition, Hf atoms promotes vacancy diffusion of Si atoms in the TaC lattice. This work provides data support for the exploration of basic research and diffusion mechanisms.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 13","pages":"Article 117510"},"PeriodicalIF":5.8,"publicationDate":"2025-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143924881","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

Digital light processing of ceria-stabilized zirconia: Role of powder pre-treatment on printability and physico-mechanical properties 数字光处理氧化铈稳定氧化锆：粉末预处理对印刷适性和物理机械性能的影响

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-05-05 DOI: 10.1016/j.jeurceramsoc.2025.117512

Bartolomeo Coppola, Elisa Fiume, Vanessa Terranova, Laura Montanaro, Paola Palmero

引用次数: 0

Enhanced ferroelectricity in Bi2WO6/CoFe2O4 magnetoelectric composite ceramic with coherent interfaces 具有相干界面的Bi2WO6/CoFe2O4磁电复合陶瓷的铁电性增强

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-05-05 DOI: 10.1016/j.jeurceramsoc.2025.117518

Shaojie Sun , Huijiadai Luo , Fangzhe Li , Lu Cao , Jingxin Tian , Hua Ke , Yu Zhou

{"title":"Enhanced ferroelectricity in Bi2WO6/CoFe2O4 magnetoelectric composite ceramic with coherent interfaces","authors":"Shaojie Sun , Huijiadai Luo , Fangzhe Li , Lu Cao , Jingxin Tian , Hua Ke , Yu Zhou","doi":"10.1016/j.jeurceramsoc.2025.117518","DOIUrl":"10.1016/j.jeurceramsoc.2025.117518","url":null,"abstract":"<div><div>We constructed coherent interfaces in (1-<em>x</em>)Bi<sub>2</sub>WO<sub>6</sub>-<em>x</em>CoFe<sub>2</sub>O<sub>4</sub> composites (<em>x</em> = 0, 5, 10, 20, 30 mol%) magnetoelectric ceramic composites fabricated by a heterogeneous nucleation technique. In conventional magnetoelectric composites, the addition of magnetic phase usually weakens the ferroelectricity. In this work, the composite sample with coherent interfaces possesses enhanced observed ferroelectricity (<em>P</em><sub>r</sub>= 17.26 μC/cm<sup>2</sup>) compared to pure ferroelectric phase (<em>P</em><sub>r</sub>= 7.65 μC/cm<sup>2</sup>). The stress induced by coherent interfaces increases the distortion of [WO<sub>6</sub>] octahedra in Bi<sub>2</sub>WO<sub>6</sub> thereby increasing spontaneous polarization. A new mode in FT-IR spectra verifies the superlattice-like characteristics of coherent interfaces. Furthermore, an evident magnetoelectric coupling effect is identified in the composite at room temperature.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 13","pages":"Article 117518"},"PeriodicalIF":5.8,"publicationDate":"2025-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143924880","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

Air-plasma ablation behavior and mechanisms of C/C-(Zr,Hf,Ti)C composites prepared by an unidirectional RMI method 单向RMI法制备C/C-(Zr,Hf,Ti)C复合材料的空气等离子烧蚀行为及机理

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-05-05 DOI: 10.1016/j.jeurceramsoc.2025.117508

Zhiqiang Li , Yalei Wang , Xiang Xiong , Hongbo Zhang , Zhiyong Ye , Zaidong Liu , Junwen Liu , Quanyuan Long , Jinming Wang , Tongqi Li

{"title":"Air-plasma ablation behavior and mechanisms of C/C-(Zr,Hf,Ti)C composites prepared by an unidirectional RMI method","authors":"Zhiqiang Li , Yalei Wang , Xiang Xiong , Hongbo Zhang , Zhiyong Ye , Zaidong Liu , Junwen Liu , Quanyuan Long , Jinming Wang , Tongqi Li","doi":"10.1016/j.jeurceramsoc.2025.117508","DOIUrl":"10.1016/j.jeurceramsoc.2025.117508","url":null,"abstract":"<div><div>(Zr,Hf,Ti)C ceramics with various components were introduced into a C/C skeleton to prepare C/C-(Zr,Hf,Ti)C composites using an unidirectional reactive melt infiltration method. A gradient distribution of Ti was observed along the infiltration direction. The microstructure and ablation behaviors of the C/C-(Zr,Hf,Ti)C composites were investigated at temperatures up to 2600 ºC. A coherent and compact oxide layer was formed on the composite containing 10 at% Ti, resulting in optimal ablation resistance with the linear ablation rate being recorded at −2.62 μm/s. Enhanced intergranular diffusion in solid-oxide, facilitated by a suitable amount of liquid phase within the grain boundary, contributes to the superior mechanical erosion resistance of the dense layer. A deficient or excessive amount of liquid phase is believed to escalate the formation of cracks and voids, thereby diminishing the ablation resistance under high-speed air-plasma conditions.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 13","pages":"Article 117508"},"PeriodicalIF":5.8,"publicationDate":"2025-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143912915","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