Journal of The European Ceramic Society最新文献

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Synergistic strengthening and toughening of alumina ceramic using two-dimensional MXene and graphene
IF 5.8 2区 材料科学
Journal of The European Ceramic Society Pub Date : 2025-03-23 DOI: 10.1016/j.jeurceramsoc.2025.117391
Xinxin Qi , Chuanjin Huang , Yehong Cheng , Xiaoyang Bi , Qiang Wei , Libin Zhao , Ning Hu
{"title":"Synergistic strengthening and toughening of alumina ceramic using two-dimensional MXene and graphene","authors":"Xinxin Qi ,&nbsp;Chuanjin Huang ,&nbsp;Yehong Cheng ,&nbsp;Xiaoyang Bi ,&nbsp;Qiang Wei ,&nbsp;Libin Zhao ,&nbsp;Ning Hu","doi":"10.1016/j.jeurceramsoc.2025.117391","DOIUrl":"10.1016/j.jeurceramsoc.2025.117391","url":null,"abstract":"<div><div>The inherent brittleness of alumina ceramics often leads to unexpected catastrophic failures, which significantly limits their practical applications. However, improving toughness of alumina typically result in a compromise of its strength. Achieving both high strength and exceptional damage tolerance in alumina remains a formidable challenge. To overcome this issue, we have fabricated an alumina composite that combines high strength and toughness by integrating two-dimensional MXene and graphene through solution mixing and hot pressing methods. Specifically, the optimized composite demonstrates an approximately 20 % increase in flexural strength and a remarkable 521 % improvement in fracture toughness, highlighting its exceptional durability and resistance to sudden failure. Graphene significantly enhances fracture toughness through mechanisms such as crack deflection, microcracking, crack branching, and bridging. These mechanisms effectively extend the crack propagation path and reduce the risk of sudden failure. By contrast, MXene plays a crucial role in improving flexural strength by reducing grain size. This synergistic strengthening and toughening strategy reveals new avenues for developing high-performance ceramic composites.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 11","pages":"Article 117391"},"PeriodicalIF":5.8,"publicationDate":"2025-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143698075","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
Impact of repeated heat pulses on the consolidation and grain growth of 3YSZ consolidated via ultrafast high-temperature sintering (UHS)
IF 5.8 2区 材料科学
Journal of The European Ceramic Society Pub Date : 2025-03-23 DOI: 10.1016/j.jeurceramsoc.2025.117395
Liying Chen , Jinling Liu , Roberto Volpe , Salvatore Grasso
{"title":"Impact of repeated heat pulses on the consolidation and grain growth of 3YSZ consolidated via ultrafast high-temperature sintering (UHS)","authors":"Liying Chen ,&nbsp;Jinling Liu ,&nbsp;Roberto Volpe ,&nbsp;Salvatore Grasso","doi":"10.1016/j.jeurceramsoc.2025.117395","DOIUrl":"10.1016/j.jeurceramsoc.2025.117395","url":null,"abstract":"<div><div>Recently emerged UHS enables the study of unexplored temperature profiles not achievable with conventional firing cycles. Controlled electrical power dissipation, localized in the vicinity of the sample, enables the generation of heat pulses with ON-OFF periods ranging from 10 s to 60 s. This study investigates the impact of heat pulses on the consolidation and grain growth of 3YSZ. Increasing the number of repeated heat pulses from 1 to 5, with a total ON time of 60 s and OFF intervals of 60 s under a constant set power dissipation of 400 W, enhances temperature equilibration while limiting grain growth, as the average temperature is maintained below the rapid grain growth threshold of 1350°C. As a result of the temperature equilibration effect, the density of samples sintered using a single-pulse process was 88 %, whereas 5 repeated pulses contributed to a higher density of 98.3 % and a grain size of 126 ± 36 nm.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 12","pages":"Article 117395"},"PeriodicalIF":5.8,"publicationDate":"2025-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143747755","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
Microstructure, mechanical properties and thermal expansion behavior of M55J Cf/SiC-SiBC composites with different interphase thicknesses
IF 5.8 2区 材料科学
Journal of The European Ceramic Society Pub Date : 2025-03-23 DOI: 10.1016/j.jeurceramsoc.2025.117389
Haohui Hao , Xiaolin Dang , Tao He , Donglin Zhao , Xinlei Wang , Chao Chen , Xiaomeng Fan
{"title":"Microstructure, mechanical properties and thermal expansion behavior of M55J Cf/SiC-SiBC composites with different interphase thicknesses","authors":"Haohui Hao ,&nbsp;Xiaolin Dang ,&nbsp;Tao He ,&nbsp;Donglin Zhao ,&nbsp;Xinlei Wang ,&nbsp;Chao Chen ,&nbsp;Xiaomeng Fan","doi":"10.1016/j.jeurceramsoc.2025.117389","DOIUrl":"10.1016/j.jeurceramsoc.2025.117389","url":null,"abstract":"<div><div>For space gravitational wave detectors, ultra-high-precision detection requires structural materials with excellent dimensional stability, and the development of near-zero expansion materials has emerged. In this work, M55J C<sub>f</sub>/SiC-SiBC with different PyC thicknesses were fabricated, and the mechanical and expansion properties were studied. The compatibility between near-zero expansion and high load-bearing capacity was realized by regulating the interphase thickness. The results show that, as PyC thickness increases, both the intra-bundle matrix content and the proportion of fiber corrosion area decrease. As interphase thickness increases from 180 to 420 nm, the tensile strength increases from 159 ± 12–254 ± 18 MPa and then decreases to 229 ± 3 MPa. The CTE of M55J C<sub>f</sub>/SiC-SiBC decreased from 0.09 × 10<sup>−6</sup> to −0.31 × 10<sup>−6</sup> K<sup>−1</sup>. Through interphase thickness optimization, the macroscopic expansion is transformed to micro-zone deformation and the relative deformation between fiber and matrix can be coordinated, therefore the near-zero expansion property can be realized.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 11","pages":"Article 117389"},"PeriodicalIF":5.8,"publicationDate":"2025-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143679593","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
The effect of damage and temperature on electrical impedance of SiCf/SiC mini-composites and a preliminary decoupling method 损伤和温度对 SiCf/SiC 微型复合材料电阻抗的影响及初步去耦方法
IF 5.8 2区 材料科学
Journal of The European Ceramic Society Pub Date : 2025-03-22 DOI: 10.1016/j.jeurceramsoc.2025.117388
Beichen Xue , Guoqiang Yu , Jiaming Li , Zheng Ni , Wenbing Ma , Zhengqing Sui , Xiguang Gao , Yingdong Song
{"title":"The effect of damage and temperature on electrical impedance of SiCf/SiC mini-composites and a preliminary decoupling method","authors":"Beichen Xue ,&nbsp;Guoqiang Yu ,&nbsp;Jiaming Li ,&nbsp;Zheng Ni ,&nbsp;Wenbing Ma ,&nbsp;Zhengqing Sui ,&nbsp;Xiguang Gao ,&nbsp;Yingdong Song","doi":"10.1016/j.jeurceramsoc.2025.117388","DOIUrl":"10.1016/j.jeurceramsoc.2025.117388","url":null,"abstract":"<div><div>This letter presents a preliminary method for decoupling and monitoring damage and temperature in SiC fiber-reinforced SiC matrix mini-composites using electrical impedance. The impact of damage on impedance characteristics during uniaxial tension is elucidated by decomposing the impedance data into real and imaginary components. An equivalent circuit model, which accounts for the influence of electrode effects, is developed to interpret the experimental findings. Impedance measurements were conducted on pristine and pre-damaged specimens under a temperature-controlled environment at frequencies ranging from 10 Hz to 5 MHz. The reactance is found to be strongly correlated with damage progression and remains unaffected by changes in resistivity due to thermoresistive effects. This finding facilitates the decoupling and concurrent monitoring of damage and temperature conditions in ceramic matrix composite structures using only electrical impedance.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 11","pages":"Article 117388"},"PeriodicalIF":5.8,"publicationDate":"2025-03-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143696048","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
The effects of configuration-entropy and aliovalent-doping on the electrical and stability properties of bixbyite oxides
IF 5.8 2区 材料科学
Journal of The European Ceramic Society Pub Date : 2025-03-21 DOI: 10.1016/j.jeurceramsoc.2025.117378
Keke Hou , Man Tian , Laijun Liu , Jungu Xu
{"title":"The effects of configuration-entropy and aliovalent-doping on the electrical and stability properties of bixbyite oxides","authors":"Keke Hou ,&nbsp;Man Tian ,&nbsp;Laijun Liu ,&nbsp;Jungu Xu","doi":"10.1016/j.jeurceramsoc.2025.117378","DOIUrl":"10.1016/j.jeurceramsoc.2025.117378","url":null,"abstract":"<div><div>The bixbyites Ln<sub>2</sub>O<sub>3</sub> materials which have the defect fluorite structure show limited ionic conduction and poor chemical stabilities. To find solutions to overcome these drawbacks, herein the effect of configuration entropy and aliovalent-doping (Ca-, Mg-, Ba-, and Zr-doping) for Ln on the electrical properties and stabilities of Ln<sub>2</sub>O<sub>3</sub> were thoroughly investigated. The results disclosed that Ca- Mg- or Ba-doping could considerably improve the samples’ electrical conductivities as expected, with the Ca-doping leading to dominating ionic conduction, while both Mg- and Ba-doping resulted in dominating electronic conduction. For the Zr-doping, the electrical conductivities increased with doping level, with the samples 0 ≤ <em>x</em> ≤ 0.5 dominated by electronic conduction while the samples 0.6 ≤ <em>x</em> ≤ 0.8 showing dominating ionic conduction. For stability properties, enhancing the configuration entropy would increase the chemical stabilities of the Ln<sub>2</sub>O<sub>3</sub>-based materials. Therefore, Ca- and Zr-doping are beneficial to improving both the stabilities and ionic conductivities.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 11","pages":"Article 117378"},"PeriodicalIF":5.8,"publicationDate":"2025-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143678901","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
The effect of aluminum oxide on the mechanical properties of hot-pressing black titanium dioxide ceramics
IF 5.8 2区 材料科学
Journal of The European Ceramic Society Pub Date : 2025-03-21 DOI: 10.1016/j.jeurceramsoc.2025.117385
Xinwei Geng , Yongfeng Xia , Ming Zhu , Jun Zhao , Dongxu Yao , Yu-Ping Zeng
{"title":"The effect of aluminum oxide on the mechanical properties of hot-pressing black titanium dioxide ceramics","authors":"Xinwei Geng ,&nbsp;Yongfeng Xia ,&nbsp;Ming Zhu ,&nbsp;Jun Zhao ,&nbsp;Dongxu Yao ,&nbsp;Yu-Ping Zeng","doi":"10.1016/j.jeurceramsoc.2025.117385","DOIUrl":"10.1016/j.jeurceramsoc.2025.117385","url":null,"abstract":"<div><div>Titanium dioxide (TiO<sub>2</sub>) ceramics, known for their excellent functionality, have been limited in applications due to their relatively weak mechanical properties. In this work, black TiO<sub>2</sub> ceramics with superior mechanical properties are achieved through the incorporation of aluminum oxide (Al<sub>2</sub>O<sub>3</sub>) additives and hot-pressing method. The black TiO<sub>2</sub> ceramic exhibited a remarkable flexural strength of near 400 MPa, which is the highest value known to us to date for similar materials. The influence of Al<sub>2</sub>O<sub>3</sub> on the mechanical properties of black TiO<sub>2</sub> ceramics was discussed from the perspective of material microstructures. The Al-Ti-O nanolayer was observed at the grain boundaries, contributing to both the reinforcement of grain boundaries and the refinement of grains along with Al<sub>2</sub>O<sub>3</sub> particles. This study not only developed black TiO<sub>2</sub> ceramics with great mechanical properties but also expanded our understanding of the TiO<sub>2</sub>-Al<sub>2</sub>O<sub>3</sub> material system.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 11","pages":"Article 117385"},"PeriodicalIF":5.8,"publicationDate":"2025-03-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143679594","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
Enhanced piezoelectric and photochromic properties of Sm3+/Sr2+ co-doped K0.52Na0.48NbO3 ceramics in combination with luminescence
IF 5.8 2区 材料科学
Journal of The European Ceramic Society Pub Date : 2025-03-20 DOI: 10.1016/j.jeurceramsoc.2025.117387
J.W. Seo, S.W. Wi, Y.S. Lee, Jin-Seok Chung
{"title":"Enhanced piezoelectric and photochromic properties of Sm3+/Sr2+ co-doped K0.52Na0.48NbO3 ceramics in combination with luminescence","authors":"J.W. Seo,&nbsp;S.W. Wi,&nbsp;Y.S. Lee,&nbsp;Jin-Seok Chung","doi":"10.1016/j.jeurceramsoc.2025.117387","DOIUrl":"10.1016/j.jeurceramsoc.2025.117387","url":null,"abstract":"<div><div>Sm/Sr co-doped K<sub>0.52</sub>Na<sub>0.48</sub>NbO<sub>3</sub> (KNN-Sm-<em>x</em>Sr) has been examined as an innovative multifunctional ferroelectric photochromic material that simultaneously exhibits piezoelectric, photochromic (PC), and photoluminescence (PL) properties. Sr/Sm co-doping led to an increase in the piezoelectric coefficient (d<sub>33</sub>) from 80 (pure KNN) to 107 pC/N (<em>x</em> = 0.005), induced by introduction of the polymorphic phase boundary at room temperature. In addition, the coloration contrast significantly increases under near-ultraviolet irradiation. This PC behavior resulted in improved modulation of PL intensities, reaching up to 75 % after 16 min of 380 nm irradiation. Furthermore, the reduction in PL was repeatedly recovered by thermal treatment. These results highlight the promising prospects of KNN-Sm-<em>x</em>Sr as a versatile material for applications requiring simultaneous control of piezoelectric, PL, and PC functionalities.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 11","pages":"Article 117387"},"PeriodicalIF":5.8,"publicationDate":"2025-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143698076","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
Advanced vat photopolymerization of polymer-derived 70S30C glass-carbon nano-composites: Topological control and biological validation
IF 5.8 2区 材料科学
Journal of The European Ceramic Society Pub Date : 2025-03-20 DOI: 10.1016/j.jeurceramsoc.2025.117384
Hamada Elsayed , Sara Micheli , Franco Matias Stabile , Altan Alpay Altun , Martin Schwentenwein , Elisa Cimetta , Enrico Bernardo
{"title":"Advanced vat photopolymerization of polymer-derived 70S30C glass-carbon nano-composites: Topological control and biological validation","authors":"Hamada Elsayed ,&nbsp;Sara Micheli ,&nbsp;Franco Matias Stabile ,&nbsp;Altan Alpay Altun ,&nbsp;Martin Schwentenwein ,&nbsp;Elisa Cimetta ,&nbsp;Enrico Bernardo","doi":"10.1016/j.jeurceramsoc.2025.117384","DOIUrl":"10.1016/j.jeurceramsoc.2025.117384","url":null,"abstract":"<div><div>This study explores the use of photocurable silicone/acrylate blends as feedstock for vat-photopolymerization to fabricate highly porous components with complex geometries, such as gyroid scaffolds. The inclusion of calcium nitrate tetrahydrate in nano-emulsion into the silicone-based liquid enables the transformation of polymer scaffolds into ceramic nanocomposites by heat treatment at 700 °C in a N<sub>2</sub> atmosphere. These scaffolds are designed for bioengineering applications, featuring a matrix resembling 70S30C bioglass with pyrolytic carbon as a secondary phase. The homogeneity of the feedstock, essential for developing a glass matrix, does not automatically ensure tight control over topology and mechanical properties. However, by utilizing high-precision stereolithography and liquid feedstock-based emulsion inks, we achieved a strict match to the reference model porosity (85 vol%) for both printed and fired scaffolds, resulting in an impressive strength-to-density ratio. In vitro tests with multiple human cell lines confirm the biocompatibility and bioactivity of our materials. Furthermore, the enhanced photothermal effect attributable to increased infrared absorption of the dispersed carbon phase enhanced by infrared absorption, shows promising potential for inducing apoptosis in cancer cells, providing an exciting avenue for cancer treatment applications.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 11","pages":"Article 117384"},"PeriodicalIF":5.8,"publicationDate":"2025-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143705131","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Vat photopolymerization-based additive manufacturing of ZrB2-based ultra-high temperature ceramics using low-absorbance precursors
IF 5.8 2区 材料科学
Journal of The European Ceramic Society Pub Date : 2025-03-20 DOI: 10.1016/j.jeurceramsoc.2025.117386
Qianshun Cui , Zhifeng Huang , Xuye Wang , Ao Wang , Shuai Zhang , Kai Liu , Fei Chen
{"title":"Vat photopolymerization-based additive manufacturing of ZrB2-based ultra-high temperature ceramics using low-absorbance precursors","authors":"Qianshun Cui ,&nbsp;Zhifeng Huang ,&nbsp;Xuye Wang ,&nbsp;Ao Wang ,&nbsp;Shuai Zhang ,&nbsp;Kai Liu ,&nbsp;Fei Chen","doi":"10.1016/j.jeurceramsoc.2025.117386","DOIUrl":"10.1016/j.jeurceramsoc.2025.117386","url":null,"abstract":"<div><div>Ultra-high-temperature ceramics (UHTCs) are promising candidates for thermal structures in extreme environments requiring exceptional resistance to temperatures above 2000 °C. Processing these materials via vat photopolymerization-based additive manufacturing remains unattainable, one major obstacle is the high absorbance of conventional ceramic powders. This study introduces an innovative solution utilizing low-absorbance ZrB<sub>2</sub> precursors. The results indicate that carbon sources significantly influence the absorbance of precursors, with sorbitol-derived precursors exhibiting notably lower absorbance values (0.16) at 405 nm compared to pure ZrB<sub>2</sub> powders (0.83). The corresponding photosensitive slurries demonstrate favorable photocuring behavior, facilitating successful additive manufacturing processes. Post-processing through carbonization and boro/carbothermal reduction yields ZrB<sub>2</sub>-based ceramics with high mechanical strength and low thermal conductivity, similar to the properties of most porous UHTCs produced by conventional methods. Notably, the printed gyroid-shaped components display mechanical properties comparable to those of conventionally manufactured simple-shaped ones. This approach holds potential for extending the production capabilities to other types of UHTCs.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 11","pages":"Article 117386"},"PeriodicalIF":5.8,"publicationDate":"2025-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143679592","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
Direct ink writing of aqueous-based Gadolinium (III) oxide slurries
IF 5.8 2区 材料科学
Journal of The European Ceramic Society Pub Date : 2025-03-20 DOI: 10.1016/j.jeurceramsoc.2025.117381
Patrick L. Snarr , Corson L. Cramer , Ercan Cakmak , Beth L. Armstrong , James G. Hemrick , Derek A. Haas , Joseph J. Beaman , Christian M. Petrie , Andrew T. Nelson
{"title":"Direct ink writing of aqueous-based Gadolinium (III) oxide slurries","authors":"Patrick L. Snarr ,&nbsp;Corson L. Cramer ,&nbsp;Ercan Cakmak ,&nbsp;Beth L. Armstrong ,&nbsp;James G. Hemrick ,&nbsp;Derek A. Haas ,&nbsp;Joseph J. Beaman ,&nbsp;Christian M. Petrie ,&nbsp;Andrew T. Nelson","doi":"10.1016/j.jeurceramsoc.2025.117381","DOIUrl":"10.1016/j.jeurceramsoc.2025.117381","url":null,"abstract":"<div><div>Gadolinium (III) oxide (gadolinia, Gd<sub>2</sub>O<sub>3</sub>) has recently been identified as an intriguing material for applications in the medical, solid oxide fuel cell, and nuclear industries. This interest drives the need for developing and understanding manufacturing techniques that can produce dense Gd<sub>2</sub>O<sub>3</sub> structures. Direct ink writing (DIW), an extrusion-based additive manufacturing method, has also garnered interest because of its capability to produce dense ceramic parts with increased complexity in an economical manner. In this study, DIW was explored as a manufacturing technique for Gd<sub>2</sub>O<sub>3</sub>. Experiments were performed to develop Gd<sub>2</sub>O<sub>3</sub> bearing inks capable of being processed via DIW. Ink solids loading and sintering temperatures were varied to assess their impact on the final density and microstructure. Optimum sintering conditions are proposed and were experimentally verified at a dwell temperature of 1500°C. Gd<sub>2</sub>O<sub>3</sub> samples were successfully manufactured using DIW, achieving densities greater than 96 % of the theoretical density.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"45 11","pages":"Article 117381"},"PeriodicalIF":5.8,"publicationDate":"2025-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143678895","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
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