Journal of The European Ceramic Society最新文献_第9页

Magnesia-stabilized zirconia (MSZ) thermal barrier coatings by suspension plasma spraying: Coating properties and service life behavior 悬浮等离子喷涂镁稳定氧化锆（MSZ）热障涂层：涂层性能和使用寿命行为

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-09-02 DOI: 10.1016/j.jeurceramsoc.2025.117790

B.S. Constantino , Y.J. Sohn , G. Mauer

引用次数: 0

Effects of Y2O3 on HfO2 phase stability and ablation resistance of C/HfC-SiC composites Y2O3对C/HfC-SiC复合材料HfO2相稳定性和抗烧蚀性能的影响

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-09-01 DOI: 10.1016/j.jeurceramsoc.2025.117788

Yi Su , Yangfan Shi, Chenglan Jia, Qian Liu, Sian Chen

{"title":"Effects of Y2O3 on HfO2 phase stability and ablation resistance of C/HfC-SiC composites","authors":"Yi Su , Yangfan Shi, Chenglan Jia, Qian Liu, Sian Chen","doi":"10.1016/j.jeurceramsoc.2025.117788","DOIUrl":"10.1016/j.jeurceramsoc.2025.117788","url":null,"abstract":"<div><div>C/HfC-SiC composites show promise for thermal protection, but HfO2 phase transformation-induced oxide spallation limits their reusability. In this study, Y2O3 was doped into C/HfC-SiC composites via a slurry-assisted precursor infiltration and pyrolysis (PIP) process to suppress oxide layer spallation, and their microstructure, mechanical properties, oxidation and ablation behavior were investigated. The incorporation of Y2O3 significantly improving the structural integrity of the oxide layer under high-temperature ablation. This enhancement is attributed to the substitution of Hf4 + by Y3+, which stabilizes the tetragonal HfO2 phase during cooling and inhibits phase transformation-induced stress. After 240 s of oxyacetylene torch exposure, with the composite containing 8 mol% Y2O3 achieving a linear ablation rate of 6.58 × 10−4 mm/s and a mass ablation rate of 1.35 × 10−3 g/s—representing reductions of approximately 95 % and 80 %, respectively, compared to the undoped composite. This study offers a useful strategy for the optimization of reusable ultrahigh-temperature materials.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 2","pages":"Article 117788"},"PeriodicalIF":6.2,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145004766","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 EuTiNbO6 euxenite glass/ceramic composites as potential wasteforms for immobilisation of minor actinide wastes EuTiNbO6 euxenite玻璃/陶瓷复合材料作为微量锕系元素废物固定化的潜在废物形式的开发

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-09-01 DOI: 10.1016/j.jeurceramsoc.2025.117782

Aurpa Bhuiyan , Charles C. Sorrell , Pramod Koshy , Yingjie Zhang

{"title":"Development of EuTiNbO6 euxenite glass/ceramic composites as potential wasteforms for immobilisation of minor actinide wastes","authors":"Aurpa Bhuiyan , Charles C. Sorrell , Pramod Koshy , Yingjie Zhang","doi":"10.1016/j.jeurceramsoc.2025.117782","DOIUrl":"10.1016/j.jeurceramsoc.2025.117782","url":null,"abstract":"<div><div>The long-term immobilisation of actinide-rich radioactive wastes poses a major technical challenge. The present work explores euxenite glass/ceramic composites (GCCs) as potential wasteforms for minor actinides and lanthanide fission products. The aim was to generate dense dispersions of euxenite (EuTiNbO6) stabilised in glass (NaAl0.5B0.5Si3O8). Sintering parameters were varied by temperature (1100°–1300°C), time (3–24 h), cooling rate (quenching, 5°–20 °C/min), and glass content (10–50 wt%). A fifth parameter involved adding excess oxides to suppress Ti and/or Nb leaching from euxenite by a reverse chemical gradient. The effects of these variables on structures, compositions, microstructures, phase assemblages, and densities were investigated. Higher temperatures promoted secondary-phase (EuNbO4, TiO2) formation, while longer sintering time promoted grain growth. Quenching suppressed secondary phases and increased glass content reduced porosity. Excess oxide addition revealed that Ti leaching initiates euxenite destabilisation. The results highlight the flexibility of these GCCs for immobilising minor actinide wastes.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 2","pages":"Article 117782"},"PeriodicalIF":6.2,"publicationDate":"2025-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144989096","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

Corrigendum to “Resistance to cyclic oxidation and evolution of oxide scale in 2.5D and 3D Cf/SiC composites with Si-B-C added matrix” [J. Eur. Ceram. Soc. 45 (2025) 117666] “添加Si-B-C基体的2.5D和3D Cf/SiC复合材料的抗循环氧化性和氧化垢演变”的勘误[J]。欧元。陶瓷。Soc. 45 (2025) 117666]

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-09-01 DOI: 10.1016/j.jeurceramsoc.2025.117787

Ramya Krishna , A. Udayakumar , Rahul Mitra

引用次数: 0

Realizing the balanced optimization between the low hysteresis and superior temperature stability for the electrostrain response in PT-based ferroelectric ceramics 实现了pt基铁电陶瓷电应变响应的低迟滞和优异温度稳定性之间的平衡优化

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-08-30 DOI: 10.1016/j.jeurceramsoc.2025.117783

Peng Li , Hongrui Jia , Jintao Lu , Jianchang Zuo , Shenghui Xie , Jing Wei , Ziwei Lin , Linghang Wang

{"title":"Realizing the balanced optimization between the low hysteresis and superior temperature stability for the electrostrain response in PT-based ferroelectric ceramics","authors":"Peng Li , Hongrui Jia , Jintao Lu , Jianchang Zuo , Shenghui Xie , Jing Wei , Ziwei Lin , Linghang Wang","doi":"10.1016/j.jeurceramsoc.2025.117783","DOIUrl":"10.1016/j.jeurceramsoc.2025.117783","url":null,"abstract":"<div><div>Current research on optimizing the electrostrain response of piezoceramics indicates that, although strain value has consistently been broken through, ensuring low hysteresis along with good thermal stability remains a challenge. In this work, the piezoelectric and ferroelectric properties of PST-xPT ceramics near MPB, as well as their electrostrain response, are systematically investigated. The maximum d33 (680pC/N) and kp (0.70) were obtained at x = 0.44, owing to the highest Pr and εr resulting from the coexistence of R and T phases. The maximum unipolar strain (Suni) with ultra-low hysteresis (8 %) was achieved at x = 0.46, the result of increased intrinsic lattice distortion and decreased extrinsic domain wall motion with rising PT content. The piezoelectric strain coefficient (d33*) remained almost unchanged in the temperature range of 25 °C to 100 °C. Across various temperatures, the bipolar strain consistently follows the same Sbipolar-E trajectory as the electric field increases from 0 to 4 kV/mm in 0.05 kV/mm increments, demonstrating excellent temperature stability, which is attributed to the synergistic effect of increased dielectric permittivity (εr) and decreased remnant polarization (Pr). Therefore, PST-xPT ceramics, exhibiting the strain response with ultra-low hysteresis and excellent temperature stability, are anticipated to be applied in high-performance precise actuators.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 2","pages":"Article 117783"},"PeriodicalIF":6.2,"publicationDate":"2025-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144926420","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

Excellent energy storage performance of La2O3-modified high-entropy ceramics under moderate electric fields la2o3改性高熵陶瓷在中等电场条件下具有优异的储能性能

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-08-30 DOI: 10.1016/j.jeurceramsoc.2025.117785

Hao Li , Liwen Zhang , Xiaoxu Feng , Hengtong Zhao , Tiantian Zhang , Pei Han , Ningning Sun , Ye Zhao , Chunxiao Lu , Jinhua Du , Xiaowei Li , Yong Li , Xihong Hao

{"title":"Excellent energy storage performance of La2O3-modified high-entropy ceramics under moderate electric fields","authors":"Hao Li , Liwen Zhang , Xiaoxu Feng , Hengtong Zhao , Tiantian Zhang , Pei Han , Ningning Sun , Ye Zhao , Chunxiao Lu , Jinhua Du , Xiaowei Li , Yong Li , Xihong Hao","doi":"10.1016/j.jeurceramsoc.2025.117785","DOIUrl":"10.1016/j.jeurceramsoc.2025.117785","url":null,"abstract":"<div><div>Ceramic capacitors are widely recognized as critical components in power electronic systems. However, it remains challenging to attain high energy density in small electronic devices operating within a moderate electric field environment. In this study, La2O3-modified (Bi0.2Na0.2Ba0.2Sr0.2Ca0.2)TiO3 (BNBSCT) high-entropy ceramics were successfully synthesized via tape-casting method. The introduction of La2O3 enhances relaxation characteristics and decrease the size of nanodomains, thereby effectively reducing remnant polarization (Pr). Additionally, La2O3 not only refine the grain microstructure and reduce oxygen vacancy concentration but also effectively suppress interfacial polarization, significantly enhances the ceramic’s breakdown strength (Eb). As a result, (Bi0.2Na0.2Ba0.2Sr0.2Ca0.2)TiO35 wt% La2O3 (BNBSCT-5L) ceramic achieved high recoverable energy density (Wrec) of 5.10 J/cm3 with efficiency (η) of 83.31 % under a moderate electric field of 330 kV/cm. Moreover, BNBSCT-5L ceramic demonstrates outstanding temperature, frequency and cycle stability. These superior properties indicate that the BNBSCT-5L ceramic exhibits exceptional potential for energy storage applications.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 2","pages":"Article 117785"},"PeriodicalIF":6.2,"publicationDate":"2025-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144926422","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 thermoelectric performance in chemically fluctuating AgCuTe-based material 在化学波动agcute基材料中实现增强的热电性能

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-08-30 DOI: 10.1016/j.jeurceramsoc.2025.117772

Jingdan Lei , Chunhui Wang , Xiaoyun Yang , Xiwei Zhang , Di Yuan , Xu-Jin Ge , Shike Zhang , Gui Yang , Chao Wang

{"title":"Achieving enhanced thermoelectric performance in chemically fluctuating AgCuTe-based material","authors":"Jingdan Lei , Chunhui Wang , Xiaoyun Yang , Xiwei Zhang , Di Yuan , Xu-Jin Ge , Shike Zhang , Gui Yang , Chao Wang","doi":"10.1016/j.jeurceramsoc.2025.117772","DOIUrl":"10.1016/j.jeurceramsoc.2025.117772","url":null,"abstract":"<div><div>AgCuTe has attracted significant interest due to their superior electrical and thermal transport characteristics. In this work, we focuses on investigating the effects of Se and S solid solution on AgCuTe thermoelectric properties. A series of AgCu(Te, Se, S) solid solutions were synthesized via melting reaction. We found these compositions effectively inhibited the typical hexagonal-to-cubic phase transition and showed features of secondary phase segregation, such as Ag<math><msub><mrow></mrow><mrow><mn>2</mn></mrow></msub></math>Te, Cu<math><msub><mrow></mrow><mrow><mn>2</mn></mrow></msub></math>Te, and Cu<math><msub><mrow></mrow><mrow><mn>2</mn></mrow></msub></math>S. These nano- to microscale chemistry fluctuations significantly affect the thermoelectric transport properties, particularly thermal transport, resulting in an exceptional low lattice thermal conductivity of 0.19 W m−1 K−1, which was approaching the amorphous limits. Consequently, a maximum figure of merit zT up to 1.4 was obtained at 723 K for AgCuTe0.65Se0.1S0.25 sample. This work investigates the relationships between composition, structure, and thermoelectric properties of AgCuTe, providing substantial support for the further development of high-performance AgCuTe-based materials.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 2","pages":"Article 117772"},"PeriodicalIF":6.2,"publicationDate":"2025-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144933599","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

Domain-refinement-induced large piezoelectricity in V-doped Bi4Ti3O12 textured ceramics with compressive strain 具有压缩应变的v掺杂Bi4Ti3O12织构陶瓷的畴细化诱导大压电性

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-08-30 DOI: 10.1016/j.jeurceramsoc.2025.117784

Xiaohui Tang , Huijiadai Luo , Fangzhe Li , Jingxin Tian , Lu Cao , Hua Ke , Yaming Wang , Yu Zhou

{"title":"Domain-refinement-induced large piezoelectricity in V-doped Bi4Ti3O12 textured ceramics with compressive strain","authors":"Xiaohui Tang , Huijiadai Luo , Fangzhe Li , Jingxin Tian , Lu Cao , Hua Ke , Yaming Wang , Yu Zhou","doi":"10.1016/j.jeurceramsoc.2025.117784","DOIUrl":"10.1016/j.jeurceramsoc.2025.117784","url":null,"abstract":"<div><div>Texture engineering represents an effective strategy to enhance the piezoelectric properties of ceramics. Nevertheless, the piezoelectric properties of Bi4Ti3O12 textured ceramics have not yet reached the ideal level because their remnant polarization Pr remains lower than the theoretical prediction. Herein, a combined approach of texture engineering and doping with high-valence ions that have a small ionic radius was proposed to induce lattice compressive strain η(200) and effectively reduce the domain size in Bi4Ti3-xVxO12 ceramics. The Bi4Ti2.97V0.03O12 textured ceramics exhibited a large η(200) of 0.65 %, resulting in a piezoelectric coefficient d33 of 42 pC/N. The smallest domain size was achieved in the Bi4Ti2.97V0.03O12 textured ceramics, with a length of 0.33 μm and a width of 0.17 μm, which is beneficial to polarization rotation thus improving the piezoelectric properties. Therefore, the reduction in domain size and the large lattice compressive strain were critical factors in enhancing the piezoelectric properties of Bi4Ti2.97V0.03O12 ceramics.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 2","pages":"Article 117784"},"PeriodicalIF":6.2,"publicationDate":"2025-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144926419","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

Highly enhanced dielectric tunable performance in Ba0.6Sr0.4TiO3 ceramics via Li2ZnTi3O8 addition 通过添加Li2ZnTi3O8，大大提高了Ba0.6Sr0.4TiO3陶瓷的介电可调性能

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-08-29 DOI: 10.1016/j.jeurceramsoc.2025.117775

Diming Xu , Wei Wang , Ruitao Li , Zhen Fang , Shuwei Ma , Haobo Zhang , Tao Zhou , Wenfeng Liu , Di Zhou

{"title":"Highly enhanced dielectric tunable performance in Ba0.6Sr0.4TiO3 ceramics via Li2ZnTi3O8 addition","authors":"Diming Xu , Wei Wang , Ruitao Li , Zhen Fang , Shuwei Ma , Haobo Zhang , Tao Zhou , Wenfeng Liu , Di Zhou","doi":"10.1016/j.jeurceramsoc.2025.117775","DOIUrl":"10.1016/j.jeurceramsoc.2025.117775","url":null,"abstract":"<div><div>Dielectric tunability research on Ba0.6Sr0.4TiO3-based (BST) materials has drawn sufficient attention in recent years. However, tailoring permittivity (εr) while maintaining low loss (tanδ) and high tunability (T) remains a critical challenge. Herein, we focused on the dielectric tunability performance of BST with Li2ZnTi3O8 (LZT) addition to address the requirements. BST-LZT ceramics were synthesized with multiple characterizations to confirm a dual-phase microstructure devoid of cation interdiffusion or grain morphology changes. The dielectric behavior of BST-LZT ceramics mirrors pristine BST but with systematically reduced εr proportional to LZT content. Such reduction could be fitted using a parallel capacitor model. Remarkably, dielectric tunable performances of BST-LZT ceramics are all exceptionally excellent where εr of 990 – 200, tanδ of ∼ 3 × 10−3, T of 20–30 %. This study presents a promising candidate, LZT, to engineer BST-based ceramics for dielectric tunable applications where targeted permittivity, minimal loss, and outstanding tunability could be achieved.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 2","pages":"Article 117775"},"PeriodicalIF":6.2,"publicationDate":"2025-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145011004","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 ablation resistance of C/C composites above 2000 ℃ via tailored TaC/HfNxC1-x multi-layer coating 定制TaC/HfNxC1-x多层涂层增强C/C复合材料2000℃以上抗烧蚀性能

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-08-29 DOI: 10.1016/j.jeurceramsoc.2025.117781

Zhiyuan Ming , Jian Zhang , Ruicong Chen , Zhenglong Li , Haohui Zhang , Yulei Zhang

{"title":"Enhancing ablation resistance of C/C composites above 2000 ℃ via tailored TaC/HfNxC1-x multi-layer coating","authors":"Zhiyuan Ming , Jian Zhang , Ruicong Chen , Zhenglong Li , Haohui Zhang , Yulei Zhang","doi":"10.1016/j.jeurceramsoc.2025.117781","DOIUrl":"10.1016/j.jeurceramsoc.2025.117781","url":null,"abstract":"<div><div>To address the extreme thermal challenges in ultra-high temperature scenarios, a synergistic strategy combining layered toughening and N-doped modification was adopted to enhance the ablation resistance of HfC-based coatings. This study systematically explored the relationship between phase composition, multi-layer structure and anti-ablation performance through a two-stage progressive approach. The results demonstrate that the moderate N-doping (HfN0.25C0.75) significantly improves ablation resistance of HfC coatings. Building upon this foundation, an innovative TaC/HfN0.25C0.75 multilayer coating was successfully constructed, exhibiting 18.2 % and 16.1 % reductions in mass/linear ablation rates respectively compared to monolithic coatings after 120 s ablation. Notably, it maintained low ablation rates of 0.66 mg/s and 0.84 μm/s even under cyclic ablation environment (30 s × 4). The excellent performance originates from two synergistic mechanisms: 1) Multilayer interfaces effectively release thermal stress through crack deflection, inhibiting through-thickness cracking; 2) In-situ formed Hf-Ta-O self-healing glassy phases combined with stable Hf6Ta2O17 phases provide dual functionality of oxygen barrier and structural stabilization. This work provides new insights into designing advanced thermal protection systems through multi-scale structural engineering and composition optimization.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 2","pages":"Article 117781"},"PeriodicalIF":6.2,"publicationDate":"2025-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144920111","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