Journal of The European Ceramic Society最新文献

Progressive damage behavior of RMI-C/SiC composites under compression based on acoustic emission and in-situ X-ray micro-computed tomography 基于声发射和原位x射线微计算机断层扫描的RMI-C/SiC复合材料压缩损伤行为

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-10-03 DOI: 10.1016/j.jeurceramsoc.2025.117870

Boyi Wang, Songhe Meng, Bo Gao, Kunjie Wang, Tao Xu, Chenghai Xu

{"title":"Progressive damage behavior of RMI-C/SiC composites under compression based on acoustic emission and in-situ X-ray micro-computed tomography","authors":"Boyi Wang, Songhe Meng, Bo Gao, Kunjie Wang, Tao Xu, Chenghai Xu","doi":"10.1016/j.jeurceramsoc.2025.117870","DOIUrl":"10.1016/j.jeurceramsoc.2025.117870","url":null,"abstract":"<div><div>Porosity generated during the fabrication of carbon fiber reinforced silicon carbide composites (C/SiC) significantly reduces their reliability and limits their application. This study investigates C/SiC composites with high densification fabricated via the Reactive Melt Infiltration (RMI) method. The results show that the compressive modulus increases by 68.77 %, indicating significantly enhanced and more stable compressive mechanical performance. The damage evolution mechanisms were thoroughly investigated using acoustic emission (AE) monitoring and in-situ X-ray micro-computed tomography (Micro-CT). The results indicate that C/SiC composites with high densification exhibit a linear–nonlinear–linear mechanical response. The evolution of microcracks primarily influences the mechanical behavior of the material, while the connectivity of different needled fiber regions ultimately leads to quasi-brittle fracture. Therefore, in engineering applications, it is essential to optimize the structural distribution in damage-prone regions and to quantify small-scale damage in order to prevent catastrophic structural failure.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 3","pages":"Article 117870"},"PeriodicalIF":6.2,"publicationDate":"2025-10-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145223371","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

High-entropy ilmenite titanate (Mg,Co,Ni,Zn)TiO3: Synthesis, crystal and band structure, and enhanced properties 高熵钛酸钛钛矿（Mg,Co,Ni,Zn）TiO3：合成、晶体、能带结构及增强性能

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-10-02 DOI: 10.1016/j.jeurceramsoc.2025.117869

Jinyu Wu , Zhongyan Wang , Kelan Zhang , Ze Wu , Lingyi Meng , Heng Chen , Xiaoxia Hu , Xiaohui Ma , Anran Guo

{"title":"High-entropy ilmenite titanate (Mg,Co,Ni,Zn)TiO3: Synthesis, crystal and band structure, and enhanced properties","authors":"Jinyu Wu , Zhongyan Wang , Kelan Zhang , Ze Wu , Lingyi Meng , Heng Chen , Xiaoxia Hu , Xiaohui Ma , Anran Guo","doi":"10.1016/j.jeurceramsoc.2025.117869","DOIUrl":"10.1016/j.jeurceramsoc.2025.117869","url":null,"abstract":"<div><div>For continuing to explore new high-entropy materials, the first high-entropy ilmenite-phase titanate, (Mg,Co,Ni,Zn)TiO<sub>3</sub>, is synthesized in this work, further introducing a new crystal structure type for high-entropy ceramics. The uniform chemical composition and typical ilmenite-phase structure of high-entropy (Mg,Co,Ni,Zn)TiO<sub>3</sub> are verified by XRD, SEM, TEM, EDS, and XPS. Homogeneous element distribution and magnetically-coupled atomic arrangement are further performed using Rietveld refinement, Raman spectral fitting, and high-resolution STEM. On this basis, complementary density functional theory simulation with Hubbard correction (DFT + U) is conducted to reveal the band structure and a 2.529 eV bandgap of high-entropy (Mg,Co,Ni,Zn)TiO<sub>3</sub>, thereby enhancing the potential for high emissivity and electronic applications. Excellent thermal stability at 1000–1200 °C, a low thermal conductivity of 2.365 W·m⁻¹·K⁻¹ at room temperature, a high hemispherical emissivity of 0.93 within the 3–14 μm wavelength range, and a low dielectric constant of 22.23 are also demonstrated.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 3","pages":"Article 117869"},"PeriodicalIF":6.2,"publicationDate":"2025-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145223265","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

Laser-induced slip casting as an additive manufacturing approach for silicon carbide 激光诱导滑移铸造作为碳化硅增材制造的一种方法

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-10-01 DOI: 10.1016/j.jeurceramsoc.2025.117867

Corson L. Cramer , Mehdi Mohammadi , Jacob P. Feldbauer , Dennis Sabezki , Martin Schwentenwein , Ercan Cakmak , Michael J. Lance , Michelle K. Kidder , Marco C. Martinez , Shawn M. Allan , Beth L. Armstrong

{"title":"Laser-induced slip casting as an additive manufacturing approach for silicon carbide","authors":"Corson L. Cramer , Mehdi Mohammadi , Jacob P. Feldbauer , Dennis Sabezki , Martin Schwentenwein , Ercan Cakmak , Michael J. Lance , Michelle K. Kidder , Marco C. Martinez , Shawn M. Allan , Beth L. Armstrong","doi":"10.1016/j.jeurceramsoc.2025.117867","DOIUrl":"10.1016/j.jeurceramsoc.2025.117867","url":null,"abstract":"<div><div>This work presents processing silicon carbide (SiC) with the laser-induced slip casting (LIS) additive manufacturing (AM). SiC was stabilized in water with polyethyleneimine (PEI) dispersant, and SiC slurries were made with rheology for LIS printing. High-density ceramic parts were printed, followed by single-step binder burnout and sintering. The printed parts achieved 93–95 % of theoretical density. X-ray computed tomography (XCT) revealed a small distribution of flaws exceeding 100 microns. The mechanical properties were measured in both parallel and perpendicular to the printing layers, and the orientation with layers perpendicular to the bending moment resulted in higher strength compared to the parallel direction. Porosity resulting from processing and large inclusions of boron carbide (B4C) were the root cause of failure in the measured samples. Despite these defects through this effort, this new approach demonstrates promise for green forming of SiC with densities greater than 95 % theoretical and tensile strengths above 250 MPa.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 3","pages":"Article 117867"},"PeriodicalIF":6.2,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145223267","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

Exploration of UHS scalability by SPS approach: Multiphysics simulation, critical dimensions, mechanisms and properties 利用SPS方法探索UHS可扩展性：多物理场仿真、关键维度、机制和特性

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-10-01 DOI: 10.1016/j.jeurceramsoc.2025.117865

Flavie Lebas , Levent Karacasulu , Mattia Biesuz , Jérôme Lecourt , Christelle Bilot , Sylvain Marinel , Charles Manière

{"title":"Exploration of UHS scalability by SPS approach: Multiphysics simulation, critical dimensions, mechanisms and properties","authors":"Flavie Lebas , Levent Karacasulu , Mattia Biesuz , Jérôme Lecourt , Christelle Bilot , Sylvain Marinel , Charles Manière","doi":"10.1016/j.jeurceramsoc.2025.117865","DOIUrl":"10.1016/j.jeurceramsoc.2025.117865","url":null,"abstract":"<div><div>Ultrafast High-Temperature Sintering (UHS) enables near-instantaneous densification of ceramics but is limited by part size, wall thickness, and cracking due to thermal inhomogeneities. This work introduces a scalable UHS approach using a modified Spark Plasma Sintering (SPS) chamber with a large working volume (∼113 cm<sup>3</sup>) and precise control, enabling the sintering of complex ceramic parts up to 30 mm. Direct Ink Writing (DIW) is employed to shape and debind components efficiently while preserving UHS advantages. A parametric study identifies optimal heating rates and critical wall thicknesses (≤1 mm) to minimize thermal stress. Finite element simulations link thermal gradients to stress development, offering predictive capability for complex geometries. The results reveal that organic binder decomposition strongly affects grain growth and residual porosity under ultrafast heating. This work demonstrates the feasibility of industrially scalable UHS and provides key insights for microstructure control and simulation-guided process design.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 3","pages":"Article 117865"},"PeriodicalIF":6.2,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145223266","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

Improving steam oxidation and molten alkali corrosion resistance of self-bonded SiC refractories via Cr2AlC powder modification 通过Cr2AlC粉末改性提高自结合SiC耐火材料的抗蒸汽氧化和耐熔融碱腐蚀性能

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-09-30 DOI: 10.1016/j.jeurceramsoc.2025.117864

Junyi Lv , Gongye Lv , Feng Liang , Haohui Gu , Yu Tian , Haijun Zhang , Shaowei Zhang

{"title":"Improving steam oxidation and molten alkali corrosion resistance of self-bonded SiC refractories via Cr2AlC powder modification","authors":"Junyi Lv , Gongye Lv , Feng Liang , Haohui Gu , Yu Tian , Haijun Zhang , Shaowei Zhang","doi":"10.1016/j.jeurceramsoc.2025.117864","DOIUrl":"10.1016/j.jeurceramsoc.2025.117864","url":null,"abstract":"<div><div>Self-bonded silicon carbide (SiC) refractories are widely employed in high-temperature industries owing to their exceptional strength and thermal conductivity. However, the limited steam oxidation resistance and molten alkali corrosion resistance restricts their long-term service performance in industrial kiln applications, such as waste incinerators. In this study, Cr<sub>2</sub>AlC powder was incorporated into self-bonded SiC refractories to address these issues. The microstructure, mechanical properties, steam oxidation resistance and sodium sulfate corrosion resistance of as-prepared refractory specimens were systematically investigated. The cold modulus of rupture and cold crushing strength increased by 11.4 % and 21.7 %, respectively, with 5 wt% Cr<sub>2</sub>AlC. Steam oxidation resistance of the specimens improved significantly, with characteristic oxidation times (<em>t</em><sub><em>d</em></sub> and <em>t</em><sub><em>c</em></sub>) increasing by 11.1 % and 174.5 %, respectively. Moreover, after 4 h of sodium sulfate corrosion at 1100 °C, the residual weight and volume ratio of the specimen increased by 15.1 % and 16.2 %, respectively.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 3","pages":"Article 117864"},"PeriodicalIF":6.2,"publicationDate":"2025-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145223268","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

Dimensional change and micro-mechanical degradation of SiCf/SiC composite after ion irradiation 离子辐照后SiCf/SiC复合材料的尺寸变化及微力学降解

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-09-30 DOI: 10.1016/j.jeurceramsoc.2025.117861

Shanshan Xu , Yichun Bi , Hongru Jin , Ce Zheng , Xiaoqiang Li

{"title":"Dimensional change and micro-mechanical degradation of SiCf/SiC composite after ion irradiation","authors":"Shanshan Xu , Yichun Bi , Hongru Jin , Ce Zheng , Xiaoqiang Li","doi":"10.1016/j.jeurceramsoc.2025.117861","DOIUrl":"10.1016/j.jeurceramsoc.2025.117861","url":null,"abstract":"<div><div>Cansas3303 SiC<sub>f</sub>/SiC composites with pyrolytic carbon (PyC) interphase were irradiated by 5 MeV Xe ions under 500 °C and 750 °C. The microstructure, dimension and micro-mechanical properties of composite constituents before and after irradiation were systematically investigated. The in-situ mechanical properties of all constituents were obtained through micro-mechanical tests (micro-pillar compression, micro-cantilever bending and fiber push-in). After irradiation, the proportion of carbon packets in Cansas3303 fibers decreased while the average grain size increased with rising irradiation temperature, which caused shrinkage and strength degradation of fibers. SiC matrix swelled due to defect accumulation. The anisotropic displacement and migration behavior of carbon atoms along different axes resulted in the expansion of locally-ordered regions in PyC, thereby causing shrinkage along fiber axis. The interfacial debonding energy increased, reducing its capability of crack deflection. This work can provide accurate and effective data for the design and performance prediction of SiC<sub>f</sub>/SiC composites for nuclear applications.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 3","pages":"Article 117861"},"PeriodicalIF":6.2,"publicationDate":"2025-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145223369","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

Vat photopolymerization additive manufacturing of reaction bonded boron carbide composites 还原光聚合增材制造反应键合碳化硼复合材料

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-09-29 DOI: 10.1016/j.jeurceramsoc.2025.117858

Xiong Gao , Xiaotong Chen , Ning Li , Jing Li , Wenqing Wang , Rujie He

{"title":"Vat photopolymerization additive manufacturing of reaction bonded boron carbide composites","authors":"Xiong Gao , Xiaotong Chen , Ning Li , Jing Li , Wenqing Wang , Rujie He","doi":"10.1016/j.jeurceramsoc.2025.117858","DOIUrl":"10.1016/j.jeurceramsoc.2025.117858","url":null,"abstract":"<div><div>Boron carbide (B<sub>4</sub>C) ceramic exhibit excellent mechanical properties. However, they are known for its difficulty in machining and sintering. Although vat photopolymerization (VPP) additive manufacturing can enable the high-precision fabrication of complex ceramic structures, the high light absorption value of B<sub>4</sub>C deteriorates the curing ability of the photosensitive slurry, resulting in a low success rate for VPP process. Moreover, the high content of photosensitive resin complicates the densification process of the fabricated components. In this study, by optimizing the particle size of the B<sub>4</sub>C powder and the solid loading of the slurry, a slurry with the desired viscosity, curing ability, and sedimentation stability was developed, meeting the requirements for VPP process. Through the optimization of VPP process parameters, the deviation rate between the green body size and the design size was significantly reduced. By analyzing the thermogravimetric curve of the green body in an argon atmosphere, an optimized heating program for debinding was established, yielding debinding samples with minimal defects. Furthermore, a sucrose infiltration-pyrolysis process was applied to introduce free carbon into the samples, enhancing the phase composition and mechanical properties of the samples after liquid silicon infiltration. The flexural strength and Vickers hardness of the reaction bonded B<sub>4</sub>C (RBBC) composites increased as the residual silicon content decreased, while the fracture toughness showed a slight decrease. Finally, the 2C-Si sample exhibited the optimal mechanical properties. This study presents a promising method for manufacturing RBBC composites with complex structures using VPP additive manufacturing.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 3","pages":"Article 117858"},"PeriodicalIF":6.2,"publicationDate":"2025-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145223363","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

Ductile Ni3B interphase with oxidation-induced crack healing capability for carbon fiber toughened ultra-high temperature ceramics 碳纤维增韧超高温陶瓷具有氧化裂纹愈合能力的延展性Ni3B界面相

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-09-29 DOI: 10.1016/j.jeurceramsoc.2025.117857

Xia Zhang, Mingyu Yao, Xiaoyi Jiang, Wenlong Li, Feilong Huang, Hongliang Xu, Hailong Wang, Hongxia Lu, Cheng Fang

{"title":"Ductile Ni3B interphase with oxidation-induced crack healing capability for carbon fiber toughened ultra-high temperature ceramics","authors":"Xia Zhang, Mingyu Yao, Xiaoyi Jiang, Wenlong Li, Feilong Huang, Hongliang Xu, Hailong Wang, Hongxia Lu, Cheng Fang","doi":"10.1016/j.jeurceramsoc.2025.117857","DOIUrl":"10.1016/j.jeurceramsoc.2025.117857","url":null,"abstract":"<div><div>Ductile interphases serve as mechanical fuses to deflect matrix cracks in carbon fiber reinforced ultra-high temperature ceramic composites (C<sub>f</sub>/UHTCs). This work introduces Ni<sub>3</sub>B, a ductile ceramic with intrinsically low shear modulus (79 GPa) and high bulk modulus (236 GPa, G/B = 0.33), as the interphase in C<sub>f</sub>/ZrB<sub>2</sub>-SiC composites. A hydrothermal carbon/Ni<sub>3</sub>B hierarchical architecture was further engineered to resolve thermal expansion mismatch between Ni<sub>3</sub>B coating and carbon fibers. The optimized interface enhances fracture toughness and flexural strength by 65 % and 47 %, compared to the unmodified composites. In addition, Ni<sub>3</sub>B derived low-density oxides could generate volume expansion under oxidative conditions, sealing interfacial microcracks and elevating critical thermal shock temperature difference from 428 ℃ to 824 ℃. By uniquely coupling interface toughening with self-healing functionality, Ni<sub>3</sub>B is predicted to be a promising interphase material for future C<sub>f</sub>/UHTC composites.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 3","pages":"Article 117857"},"PeriodicalIF":6.2,"publicationDate":"2025-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145223365","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

Graphene nanosheets hydrothermally armored with nano-MgAl hydrotalcite: A synergistic nanocomposite boosting high-temperature properties of alumina-spinel castables 石墨烯纳米片水热包覆纳米mgal水滑石：一种提高铝尖晶石浇注料高温性能的协同纳米复合材料

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-09-29 DOI: 10.1016/j.jeurceramsoc.2025.117854

Junyi Lv , Hang Li , Jinlong Wang , Shaowei Zhang , Yage Li , Haijun Zhang

{"title":"Graphene nanosheets hydrothermally armored with nano-MgAl hydrotalcite: A synergistic nanocomposite boosting high-temperature properties of alumina-spinel castables","authors":"Junyi Lv , Hang Li , Jinlong Wang , Shaowei Zhang , Yage Li , Haijun Zhang","doi":"10.1016/j.jeurceramsoc.2025.117854","DOIUrl":"10.1016/j.jeurceramsoc.2025.117854","url":null,"abstract":"<div><div>Flake graphite (FG) limits the development of high-performance carbon-containing castables due to its inherent hydrophobicity. In this study, a graphene nanosheet/nano-MgAl hydrotalcite (GN/MAH) composite powder was successfully synthesized <em>via</em> a hydrothermal method. Under optimal conditions, the water contact angle of the composite powder was reduced from 103.6° for GNs to 44.6°, indicating significantly improved hydrophilicity. The incorporation of the GN/MAH composite powder markedly enhanced the mechanical performance of the castables after heat treatment at 1600 °C. Compared with the reference sample (0#), the cold modulus of rupture and hot modulus of rupture increased by 77.22 % and 54.91 %, respectively. Furthermore, the uniform dispersion of GNs within the castable matrix facilitated the maintenance of superior high-temperature performance even with a reduced carbon content of ∼0.15 wt%. As a result, the residual strength ratio of the castable after thermal shock increased by 13.69 %, while the slag corrosion index decreased by 43.26 %.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 3","pages":"Article 117854"},"PeriodicalIF":6.2,"publicationDate":"2025-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145223368","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

Porosity dependence of molten sand wetting and infiltration in oxide ceramics 氧化陶瓷中熔融砂润湿和渗透的孔隙度依赖性

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-09-29 DOI: 10.1016/j.jeurceramsoc.2025.117856

Andrew J. Wright , Timothy Sharobem , Chris Dambra , Brian Keyes , Anindya Ghoshal

{"title":"Porosity dependence of molten sand wetting and infiltration in oxide ceramics","authors":"Andrew J. Wright , Timothy Sharobem , Chris Dambra , Brian Keyes , Anindya Ghoshal","doi":"10.1016/j.jeurceramsoc.2025.117856","DOIUrl":"10.1016/j.jeurceramsoc.2025.117856","url":null,"abstract":"<div><div>The role of porosity in governing the interaction between molten sand and oxide substrates remains poorly understood. Here, we systematically investigate the effect of porosity on CMAS wettability, infiltration, and reactivity across 3 mol.% yttria stabilized zirconia (3YSZ), Gd<sub>2</sub>O<sub>3</sub>, and (Y<sub>1/2</sub>Yb<sub>1/2</sub>)<sub>2</sub>Si<sub>2</sub>O<sub>7</sub> (YYbDS) by coupling high temperature contact angle experiments conducted at 1260 °C for 30 min with microscopy, elemental, and phase analyses. In 3YSZ, increased porosity promoted deeper infiltration but suppressed lateral spreading. Gd<sub>2</sub>O<sub>3</sub> showed the opposite trend in that greater porosity enhanced CMAS spreading that was attributed to its reactivity. For YYbDS, despite being chemically reactive, showed reduced spreading with increased porosity. Linear regression revealed strong correlations between porosity and a few wetting parameters depending on the reactivity regime. These findings reveal that porosity dependence on CMAS interactions with a substrate are coupled with reactivity and provide an approach to forecast CMAS behavior with novel materials.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 3","pages":"Article 117856"},"PeriodicalIF":6.2,"publicationDate":"2025-09-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145223372","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