Journal of The European Ceramic Society最新文献

Ablation-resistant Y2O3-modified (Hf0.2Ta0.2Zr0.2Ti0.2Nb0.2)C high entropy ceramics in oxyacetylene flame above 2100 °C 2100℃以上氧乙炔火焰中抗烧蚀y2o3改性（Hf0.2Ta0.2Zr0.2Ti0.2Nb0.2）C高熵陶瓷

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-07-29 DOI: 10.1016/j.jeurceramsoc.2025.117723

Xing Zhao , Yuhang Bai , Yang Yang , Zelong Yao , Yuhao Wu , Jia Liu , Ke Ren , Huiling Du , Yan Song

{"title":"Ablation-resistant Y2O3-modified (Hf0.2Ta0.2Zr0.2Ti0.2Nb0.2)C high entropy ceramics in oxyacetylene flame above 2100 °C","authors":"Xing Zhao , Yuhang Bai , Yang Yang , Zelong Yao , Yuhao Wu , Jia Liu , Ke Ren , Huiling Du , Yan Song","doi":"10.1016/j.jeurceramsoc.2025.117723","DOIUrl":"10.1016/j.jeurceramsoc.2025.117723","url":null,"abstract":"<div><div>This study investigates the ablation behavior of Y<sub>2</sub>O<sub>3</sub>-modified (Hf<sub>0.2</sub>Ta<sub>0.2</sub>Zr<sub>0.2</sub>Ti<sub>0.2</sub>Nb<sub>0.2</sub>)C high-entropy ceramics (HECs) under oxyacetylene flame at temperatures above 2100 °C. The Y<sub>2</sub>O<sub>3</sub> content is systematically varied (5–20 vol%), and it is found that the optimal 15 vol% Y<sub>2</sub>O<sub>3</sub> content facilitates the <em>in</em>-<em>situ</em> formation of a dense gradient oxide layer. This layer integrates refractory (Nb, Ta)<sub>2</sub>O<sub>5</sub> and (Hf, Zr, Me)O<sub><em>x</em></sub> skeletons with a Y-rich molten matrix, effectively suppressing oxygen penetration and reducing the volatilization of low-melting-point oxides. The sample exhibits superior ablation resistance, with linear and mass ablation rates of −12.8 ± 0.7 × 10<sup>−3</sup> mm/s and 2.5 ± 0.2 × 10<sup>−3</sup> g/s, respectively, outperforming unmodified HECs and other Y<sub>2</sub>O<sub>3</sub>-modified ceramics. Thermodynamic simulations reveal that Y<sub>2</sub>O<sub>3</sub> stabilizes the oxide layer through the formation of Y-containing compounds, achieving a good balance between liquid-phase filling and refractory skeleton integrity. These findings will advance the design of rare-earth-modified HECs for ultrahigh-temperature thermal protection systems in aerospace applications.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 16","pages":"Article 117723"},"PeriodicalIF":6.2,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144739555","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

Enhancing mechanical properties and densification of aerosol-deposited coatings by introducing YSZ into Al2O3 在Al2O3中引入YSZ提高气溶胶沉积涂层的力学性能和致密性

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-07-28 DOI: 10.1016/j.jeurceramsoc.2025.117720

Yunye Gao , Ahmet Hilmi Paksoy , Junquan Lao , Yizhe Li , David A. Hall , Ping Xiao

引用次数: 0

Effect of high entropy on the corrosion resistance of environmental barrier coatings: Evolution of pore structure, transport mechanisms and corrosion behavior 高熵对环境屏障涂层耐腐蚀性能的影响：孔隙结构演变、传输机制和腐蚀行为

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-07-28 DOI: 10.1016/j.jeurceramsoc.2025.117718

Tao Zhang , Kunying Ding , Zhiping Wang

{"title":"Effect of high entropy on the corrosion resistance of environmental barrier coatings: Evolution of pore structure, transport mechanisms and corrosion behavior","authors":"Tao Zhang , Kunying Ding , Zhiping Wang","doi":"10.1016/j.jeurceramsoc.2025.117718","DOIUrl":"10.1016/j.jeurceramsoc.2025.117718","url":null,"abstract":"<div><div>Water vapor-induced corrosion leading to microstructural degradation remains a critical failure mechanism for environmental barrier coatings (EBCs). Two types of SiC/Si/(Yb<sub>0.2</sub>Y<sub>0.2</sub>Lu<sub>0.2</sub>Er<sub>0.2</sub>Sc<sub>0.2</sub>)<sub>2</sub>Si<sub>2</sub>O<sub>7</sub> and SiC/Si/Yb₂Si₂O₇ prepared by atmospheric plasma spraying were investigated, with an emphasis on the evolution of pore structure, transport mechanisms, and corrosion behaviors at 1400°C in this study. The results show that high-temperature water vapor corrosion involves molecular diffusion dominated by macroporous pores and Knudsen diffusion dominated by microporous pores, where submicron pores slow down the penetration of corrosive gases. Meanwhile, The high-entropy coating exhibited enhanced stability due to increased bond energy and lattice distortion, which suppressed pore expansion and extended service life. Phase transitions and pore dynamics analysis demonstrates that optimized pore architecture mitigates gas transport, while entropy-driven chemical modifications improve structural integrity, which is essential for the design of durable EBCs.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 16","pages":"Article 117718"},"PeriodicalIF":6.2,"publicationDate":"2025-07-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144721530","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

Functional properties of highly stable SrTi0.95-xZr0.05NixO3-δ for use as oxygen transport membranes 高稳定性SrTi0.95-xZr0.05NixO3-δ氧转运膜的功能特性

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-07-25 DOI: 10.1016/j.jeurceramsoc.2025.117715

Yuning Tang , Stefan Baumann , Arian Nijmeijer , Olivier Guillon , Wilhelm A. Meulenberg

{"title":"Functional properties of highly stable SrTi0.95-xZr0.05NixO3-δ for use as oxygen transport membranes","authors":"Yuning Tang , Stefan Baumann , Arian Nijmeijer , Olivier Guillon , Wilhelm A. Meulenberg","doi":"10.1016/j.jeurceramsoc.2025.117715","DOIUrl":"10.1016/j.jeurceramsoc.2025.117715","url":null,"abstract":"<div><div>Mixed ionic-electronic conducting ceramics have the potential to serve as oxygen transport membranes, thereby facilitating the separation of pure oxygen from air for a variety of chemical conversion applications. Given that the majority of the membrane reactors are operated in a reducing atmosphere, the stability of the materials is of great importance. In this study, the SrTi<sub>0.95-x</sub>Zr<sub>0.05</sub>Ni<sub>x</sub>O<sub>3-δ</sub> (x = 0.01, 0.03, 0.05, 0.10, 0.15) (STZN<sub>x</sub>) powders were successfully synthesized and subsequently sintered into membranes. Ni substitution enhances oxygen permeability and catalytic activity via exsolution, while Zr improves structural stability by minimizing cation mismatch. XRD results indicate a Ni solubility limit below 15 %. An increase in the Ni content results in a corresponding enhancement in oxygen permeability, with STZN10 achieving the highest oxygen permeability while retaining a single phase. Thermochemical stability tests were conducted by annealing samples in a reducing atmosphere containing 2.9 % H<sub>2</sub> in Ar. The XRD and thermogravimetric analysis (TGA) demonstrate that STZN<sub>x</sub> displays remarkable stability in reducing atmospheres. The presence of well-distributed Ni particles on the surface of STZN10 is observed after annealing in 2.9 % H<sub>2</sub>/Ar at 900°C for 48 h, proving the successful exsolution phenomenon aiming for improved catalytic activity for applications such as partial oxidation of methane. It can therefore be concluded that 10 % Ni-doped STZN10 is a promising material for oxygen transport membranes in catalytic membrane reactors.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 16","pages":"Article 117715"},"PeriodicalIF":5.8,"publicationDate":"2025-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144711404","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

Kinetically induced elongated grains in Ca-doped polycrystalline alumina 掺钙多晶氧化铝的动力学诱导伸长晶粒

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-07-25 DOI: 10.1016/j.jeurceramsoc.2025.117704

Iman Naamne, Rachel Marder, Wayne D. Kaplan

引用次数: 0

Intra/inter-type SiC-Ti3SiC2 reinforced (Ti,Zr)C ceramics via multi-scale microstructure design 基于多尺度微结构设计的SiC-Ti3SiC2增强（Ti,Zr）C陶瓷

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-07-24 DOI: 10.1016/j.jeurceramsoc.2025.117713

Boxin Wei , Jia Yao , Liwei Wang , Qinghua Hou , Dong Wang , Lei Chen , Yujin Wang

{"title":"Intra/inter-type SiC-Ti3SiC2 reinforced (Ti,Zr)C ceramics via multi-scale microstructure design","authors":"Boxin Wei , Jia Yao , Liwei Wang , Qinghua Hou , Dong Wang , Lei Chen , Yujin Wang","doi":"10.1016/j.jeurceramsoc.2025.117713","DOIUrl":"10.1016/j.jeurceramsoc.2025.117713","url":null,"abstract":"<div><div>A novel ‌intra-/intergranular‌ SiC-Ti₃SiC₂ reinforced (Ti,Zr)C ceramic ‌was‌ designed based on multiscale microstructure control‌, fabricated through ‌<em>in-situ</em> reactions‌ between TiC, ZrC, and Si ‌via hot-pressing sintering (HP) ‌and‌ spark plasma sintering (SPS). ‌The introduced silicon reacts distinctly with TiC and ZrC during sintering‌, forming Ti₃SiC₂, β-SiC, and ZrSi phases. ‌The ternary layered crystal structure of Ti₃SiC₂‌ contributes to exceptional fracture resistance and thermal stability ‌through intrinsic crack deflection mechanisms‌. The nano-SiC exhibits ‌dual distribution modes‌: ‌intergranular nano-SiC particles‌ localized at ‌the‌ grain boundaries of ZrSi/(Ti,Zr)C phases ‌and‌ ‌intragranular nano-SiC‌ embedded within ‌the‌ lamellar Ti₃SiC₂ grains. ‌These intra-/intergranular nanoscale SiC particles synergistically enhance both strength and toughness‌ through ‌optimized‌ strain distribution ‌and‌ effective crack bridging.‌ The TiC-7mol% ZrC-30mol% Si (raw composition) sintered by HP demonstrates superior mechanical properties, achieving a flexural strength of 878 MPa ‌and‌ fracture toughness of 8.55 MPa·m<sup>1/2</sup>, ‌significantly exceeding those of conventional TiC-based composites‌.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 16","pages":"Article 117713"},"PeriodicalIF":6.2,"publicationDate":"2025-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144721529","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

Dysprosium-doped molybdenum oxide nano-ceramic with impressive performances for zinc metal-free zinc-ion batteries 用于无锌金属锌离子电池的掺镝氧化钼纳米陶瓷

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-07-24 DOI: 10.1016/j.jeurceramsoc.2025.117712

Sai Wang , Jiayu Liang, Chunzhong Liu, Zhanshuo Li, Wanzhu Nie

{"title":"Dysprosium-doped molybdenum oxide nano-ceramic with impressive performances for zinc metal-free zinc-ion batteries","authors":"Sai Wang , Jiayu Liang, Chunzhong Liu, Zhanshuo Li, Wanzhu Nie","doi":"10.1016/j.jeurceramsoc.2025.117712","DOIUrl":"10.1016/j.jeurceramsoc.2025.117712","url":null,"abstract":"<div><div>Herein, a series of Dy-doped molybdenum oxide nano-ceramics is synthesized and their electrochemical performances illustrate the great influence of Dy on the zinc ion storage properties of molybdenum oxide. D5M, identified as the optimum nano-ceramic material, demonstrates impressive zinc-ion storage performances at room temperature (25 ℃). Notably, exceptional cycle stability is achieved at an ultrahigh current density of 20 A g<sup>−1</sup>, with a high initial charge capacity of 52.8 mAh g<sup>−1</sup> and a capacity retention rate of 87.3 % after 45,000 cycles. Additionally, the zinc ion storage kinetics and mechanism of D5M are also presented here which give powerful reasons for D5M’s impressive properties. Furthermore, when ε-MnO<sub>2</sub> is employed as cathode material, the significant role of D5M in full-cell is illuminated through the comparison with ε-MnO<sub>2</sub>/Zn half-cell. Remarkably, even at −40 ℃, D5M still demonstrates specific zinc ion storage capabilities, delivering discharge/charge capacities of 110.8/107.4 mAh g<sup>−1</sup> and maintaining cycling stability over 85 cycles at 0.1 A g<sup>−1</sup>.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 16","pages":"Article 117712"},"PeriodicalIF":6.2,"publicationDate":"2025-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144721528","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

Temporal damage behavior in SiC/SiC ceramic matrix composites SiC/SiC陶瓷基复合材料的时间损伤行为

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-07-24 DOI: 10.1016/j.jeurceramsoc.2025.117695

Hunter Gross , Theron Jackson , Jennifer Pierce , Travis Whitlow , Keith Ballard , Nathan Klingbeil , Katie Detwiler

{"title":"Temporal damage behavior in SiC/SiC ceramic matrix composites","authors":"Hunter Gross , Theron Jackson , Jennifer Pierce , Travis Whitlow , Keith Ballard , Nathan Klingbeil , Katie Detwiler","doi":"10.1016/j.jeurceramsoc.2025.117695","DOIUrl":"10.1016/j.jeurceramsoc.2025.117695","url":null,"abstract":"<div><div>This study investigates stress relaxation behavior in SiC/SiC ceramic matrix composites (CMCs) under constant displacement loading, a phenomenon observed but not thoroughly explored in the literature. Tensile tests were conducted on macroscale dogbones using a ramped loading schedule, where samples were held at fixed displacements for up to an hour. Acoustic emission (AE) and digital image correlation (DIC) monitored damage evolution during the holds. Stress relaxation was observed during the displacement holds due to damage progression detected by both AE and DIC. The magnitude of stress relaxation increased with increasing stress. AE events occurred up to one hour into the displacement hold, with high energy AE events occurring early in the ramped loading schedule with AE energy magnitudes peaking near the proportional limit. DIC data showed surface strain redistributions occurring throughout the duration of a hold. These findings contribute to a deeper understanding of the time-dependent behavior of CMCs under load, crucial for their application in high-temperature environments like turbine engines.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 16","pages":"Article 117695"},"PeriodicalIF":5.8,"publicationDate":"2025-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144711470","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

Synergistic material-process optimization enables high-performance silicon carbide ceramic fabrication via vat photopolymerization 协同材料工艺优化使高性能碳化硅陶瓷制造通过还原光聚合

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-07-24 DOI: 10.1016/j.jeurceramsoc.2025.117714

Chengli Li , Gaoqi Wang , Mulei Hao , Shouren Wang , Huichao Jiao , Quhao Li

{"title":"Synergistic material-process optimization enables high-performance silicon carbide ceramic fabrication via vat photopolymerization","authors":"Chengli Li , Gaoqi Wang , Mulei Hao , Shouren Wang , Huichao Jiao , Quhao Li","doi":"10.1016/j.jeurceramsoc.2025.117714","DOIUrl":"10.1016/j.jeurceramsoc.2025.117714","url":null,"abstract":"<div><div>Vat photopolymerization enables the fabrication of silicon carbide (SiC) ceramics with intricate geometries. However, the high absorbance of SiC particles limits the curing depth, which in turn affects the green body density and compromises the mechanical properties after pressureless sintering. Additionally, reactive sintering often induces cracking in SiC ceramics. To address these challenges, this study systematically investigated the synergistic effects of slurry composition, debinding process, and pre-sintering temperature on microstructure and mechanical properties via a material-process optimization strategy. The results revealed that pre-sintered specimens with suitable porosity and flexural strength of 47.2 ± 2.2 MPa were achieved through a two-step debinding process and 2150°C high-temperature pre-sintering. Subsequent reactive sintering at 1700°C produced dense ceramics with a bulk density of 2.98 g/cm³ and a flexural strength of 320.9 ± 10.5 MPa. This process provides a novel approach for fabricating high-performance SiC ceramics via vat photopolymerization.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 16","pages":"Article 117714"},"PeriodicalIF":5.8,"publicationDate":"2025-07-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144703475","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

Co3O4 spinel film by atomic layer deposition on ferritic stainless steel SUS430 铁素体不锈钢SUS430上原子层沉积Co3O4尖晶石膜

IF 5.8 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-07-23 DOI: 10.1016/j.jeurceramsoc.2025.117711

Mei-Hua Wang, Yu Feng, Yun-Kun Wang, Jing-Qi Wang, Wen Yang

引用次数: 0