Journal of The European Ceramic Society最新文献_第3页

Molecular design towards multicomponent C/C-Si(Ti,Zr,Hf,Ta)CN composites with simultaneously enhanced mechanical properties and air-plasma ablation performance 多组分C/C- si (Ti,Zr,Hf,Ta)CN复合材料的分子设计，同时增强了机械性能和空气等离子体烧蚀性能

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-10-08 DOI: 10.1016/j.jeurceramsoc.2025.117887

Tianxing Jiang , Li Lu , Eltayeb Adam , Qingbo Wen , Shasha Tao , Yalei Wang , Yi Zeng , Xiang Xiong

{"title":"Molecular design towards multicomponent C/C-Si(Ti,Zr,Hf,Ta)CN composites with simultaneously enhanced mechanical properties and air-plasma ablation performance","authors":"Tianxing Jiang , Li Lu , Eltayeb Adam , Qingbo Wen , Shasha Tao , Yalei Wang , Yi Zeng , Xiang Xiong","doi":"10.1016/j.jeurceramsoc.2025.117887","DOIUrl":"10.1016/j.jeurceramsoc.2025.117887","url":null,"abstract":"<div><div>Novel multicomponent C/C-Si(Ti,Zr,Hf,Ta)CN composites were prepared through the polymer infiltration and pyrolysis process utilizing molecularly designed single-source precursors with controlled metal stoichiometries. By introducing Si(Ti,Zr,Hf,Ta)CN phase and designing its transition metal ratios, we achieved remarkable improvements in both mechanical properties and ablation resistance. The Zr/Hf-enriched composite (C/C-ST1Z3H5Ta1CN) with Ti:Zr:Hf:Ta= 1:3:5:1 exhibits exceptional flexural strength 252 ± 10 MPa) and minimal linear ablation rate (0.002 mm/s) under air-plasma testing at ∼2100 °C. Microstructural analysis shows the amorphous Si(Ti,Zr,Hf,Ta)CN matrix forms dense structures with strong interfacial bonding to carbon layers, enabling efficient stress transfer. Under ablation, the material develops a protective oxide layer with: (1) a refractory (Hf,Zr)O<sub>2</sub> framework as the structural skeleton, and (2) an oxidation-induced (Ti,Zr,Hf)Ta<sub>2</sub>O<sub>7</sub>/SiO<sub>2</sub> phase filling the interstices, which collectively inhibit oxygen penetration. Precursor design ensures homogeneous element distribution, preventing metal agglomeration. This study establishes that precise compositional control in polymer-derived ceramics synergistically enhances both mechanical strength and ablation resistance.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 3","pages":"Article 117887"},"PeriodicalIF":6.2,"publicationDate":"2025-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145269802","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

NaTaO3-driven structural frustration at the rhombohedral/monoclinic crossover of Na0.5Bi0.5TiO3–BaTiO3 piezoceramic resulting enhanced properties Na0.5Bi0.5TiO3-BaTiO3压电陶瓷在菱形/单斜交叉处的结构受挫导致性能增强

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-10-08 DOI: 10.1016/j.jeurceramsoc.2025.117889

Gudeta Jafo Muleta , Rajeev Ranjan , Gobinda Das Adhikary

{"title":"NaTaO3-driven structural frustration at the rhombohedral/monoclinic crossover of Na0.5Bi0.5TiO3–BaTiO3 piezoceramic resulting enhanced properties","authors":"Gudeta Jafo Muleta , Rajeev Ranjan , Gobinda Das Adhikary","doi":"10.1016/j.jeurceramsoc.2025.117889","DOIUrl":"10.1016/j.jeurceramsoc.2025.117889","url":null,"abstract":"<div><div>The morphotropic phase boundary (MPB) in Na<sub>0.5</sub>Bi<sub>0.5</sub>TiO<sub>3</sub>–BaTiO<sub>3</sub>(NBT–BT) piezoelectrics is often modified to enhance functional properties; however, the structural crossover between rhombohedral and monoclinic phases at low BaTiO<sub>3</sub> (BT) content remains underexplored. In this study, we investigate the impact of NaTaO<sub>3</sub> (NT) doping on the structural and functional properties of NBT-BT near the low BT crossover. Temperature-dependent X-ray diffraction, dielectric, pyroelectric, and microstructural analyses reveal that NT doping promotes non-ferroelectric lattice distortions, breaking long range ferroelectric order and enhancing multifunctional behaviour. NT-modified compositions demonstrate large electrostrain, improved weak-field piezoelectric coefficients, and high recoverable energy density under low electric fields. Importantly, the depolarization temperature is found to be unrelated to a structural phase transition, challenging conventional understanding. A detailed composition–temperature (<em>x–T</em>) phase diagram is established, identifying new phase boundaries and clarifying structure–property relationships. These findings offer valuable insights into compositional tuning strategies for improving the thermal and functional stability of lead-free piezoelectric materials.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 3","pages":"Article 117889"},"PeriodicalIF":6.2,"publicationDate":"2025-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145269964","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

Gradient-damage failure mechanism and strength model calculation considering thickness damage factor of HfC-SiC multiphase matrix composites in ultra-high temperature environments 超高温环境下HfC-SiC多相基复合材料的梯度损伤破坏机理及考虑厚度损伤因子的强度模型计算

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-10-08 DOI: 10.1016/j.jeurceramsoc.2025.117886

Xinhao Shi , Xin Huang , Pengkang Lu , Jiahui Ding , Wanbo Hou , Hanxiang Li , Dongcheng Han , Tao Feng , Mingde Tong , Hongjiao Lin

{"title":"Gradient-damage failure mechanism and strength model calculation considering thickness damage factor of HfC-SiC multiphase matrix composites in ultra-high temperature environments","authors":"Xinhao Shi , Xin Huang , Pengkang Lu , Jiahui Ding , Wanbo Hou , Hanxiang Li , Dongcheng Han , Tao Feng , Mingde Tong , Hongjiao Lin","doi":"10.1016/j.jeurceramsoc.2025.117886","DOIUrl":"10.1016/j.jeurceramsoc.2025.117886","url":null,"abstract":"<div><div>HfC-SiC multiphase matrix composites were fabricated via CVI method and microstructure, gradient damage behavior, and fracture characteristics of the composites were systematically investigated under varying temperatures. Results indicated that the ablation behavior was governed by oxygen partial pressure and oxidation product dynamics, which disrupt the \"Hf-Si-O self-healing effect\" at the surface. Post-breakdown of the oxidation barrier, the ablation-induced damage evolved into a three-layered gradient mechanism gradient mechanism along the composites’ thickness: surface ablation-oxidation failure, intermediate oxidation-defect proliferation, and basal load-bearing failure. This degradation reduced bending strength from 386.5 MPa to 207.9 MPa. Then, a theoretical model integrating thickness-dependent damage factors and thermal residual stresses was established to predict ablation-induced thermal fracture strength under ultrahigh-temperature conditions. The model accurately predicts post-ablation mechanical strength across 2300 °C (292.4 MPa) to 2700 °C (207.9 MPa). This gradient damage-based strength model provides critical insights for composite design and material selection in extreme engineering applications.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 3","pages":"Article 117886"},"PeriodicalIF":6.2,"publicationDate":"2025-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145321779","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

Conformal high-resolution printing of polymer-derived ceramics by self-adaptive direct ink writing 聚合物衍生陶瓷的自适应直墨书写共形高分辨率打印

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-10-07 DOI: 10.1016/j.jeurceramsoc.2025.117883

Linjiao Zhang , Liangyuqi Kang , Boyang Yu , Chao Ma , Mengmeng Yang , Junpeng Jiang , Daoyang Han , Hailong Wang , Rui Zhang , Gang Shao

{"title":"Conformal high-resolution printing of polymer-derived ceramics by self-adaptive direct ink writing","authors":"Linjiao Zhang , Liangyuqi Kang , Boyang Yu , Chao Ma , Mengmeng Yang , Junpeng Jiang , Daoyang Han , Hailong Wang , Rui Zhang , Gang Shao","doi":"10.1016/j.jeurceramsoc.2025.117883","DOIUrl":"10.1016/j.jeurceramsoc.2025.117883","url":null,"abstract":"<div><div>Polymer-derived ceramic-based thin film temperature sensors (TFTS) exhibit attractive potential for the temperature monitoring of critical components in aerospace. However, the fabrication of PDC-based TFTS with high performance cannot be deposited on the nonplanar surfaces conformally, facing enormous challenges. In this work, a self-adaptive direct ink writing (SADIW) device was invented to prepare thin films using polymer precursor without filler addition. The complex pattern with a minimum line-width of approximately 45 µm can be printed on curved surfaces using SADIW device, displaying excellent flexible manufacturing and high accuracy. Meanwhile, the Hagen-Poiseuille model was proposed to analyze the printing process based on the theoretical simulation, which is conducive to facilitating the prediction of optimal printing parameters. Additionally, the fabricated SiCN TFTS exhibits great temperature sensing performance from room temperature to 800 °C and possesses supreme sensitivity coefficient of 17,043 at high temperature, displaying excellent repeatability and stability. The successful fabrication of the SiCN thin film demonstrated that PDCs can be prepared without adding filler, resolving the issue of performance degradation of the reported TFTS caused by structural inhomogeneity and relatively low density. The SADIW technique has promising potential for application in additive manufacturing and provides a new pathway for the development of high-performance temperature sensors on intricate surface applications.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 3","pages":"Article 117883"},"PeriodicalIF":6.2,"publicationDate":"2025-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145269307","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

Homogenized joining of SiC ceramics using polycarbosilane via spark plasma sintering 火花等离子烧结聚碳硅烷均匀连接SiC陶瓷

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-10-06 DOI: 10.1016/j.jeurceramsoc.2025.117884

Tianxiang Zheng , Shuaiyu Shen , Ce Wang , Weibo Fu , Jiujie Xu , Qiuguang Zhang , Fugang Lu , Panpan Lin , Tiesong Lin , Peng He

引用次数: 0

Mullite/SiB6 coating for microcrack heal and microwave absorption performance at high temperatures 莫来石/SiB6涂层在高温下的微裂纹愈合和微波吸收性能

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-10-05 DOI: 10.1016/j.jeurceramsoc.2025.117881

Rui Feng, Yuchang Qing, Chuanyang Jiang, Junjie Yang, Yaru Cao, Liuchao Zhang

{"title":"Mullite/SiB6 coating for microcrack heal and microwave absorption performance at high temperatures","authors":"Rui Feng, Yuchang Qing, Chuanyang Jiang, Junjie Yang, Yaru Cao, Liuchao Zhang","doi":"10.1016/j.jeurceramsoc.2025.117881","DOIUrl":"10.1016/j.jeurceramsoc.2025.117881","url":null,"abstract":"<div><div>To address the critical demand for multifunctional coatings in extreme aerospace environments, this study developed a mullite/SiB<sub>6</sub> composite coating via atmospheric plasma spraying. The coating exhibits outstanding microwave absorption at room temperature, with a minimum reflection loss (RLmin) of −34.60 dB and an effective absorption bandwidth (EAB, RL < −10 dB) of 2.09 GHz. After annealing at 800℃, it maintains excellent performance, with RLmin below –20 dB and EAB exceeding 2 GHz, owing to its superior self-healing property. The borosilicate glass with a low oxygen diffusion coefficient produced by SiB<sub>6</sub> oxidation effectively fills cracks and pores, thereby preventing further oxidation of the coating. The coating exhibited excellent self-healing properties, with its porosity decreasing sharply from 9.59 % (as-sprayed) to 0.44 % after heat treatment at 1000℃. These findings highlight the potential of this coating as a high-temperature self-healing microwave absorber for extreme aerospace environments.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 3","pages":"Article 117881"},"PeriodicalIF":6.2,"publicationDate":"2025-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145269311","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

Biomimetic crossed-lamellar architecture: Elevating mechanical performance of continuous SiCf/SiC composites via robot-assisted 3D printing 仿生交叉层状结构：通过机器人辅助3D打印提高连续SiCf/SiC复合材料的机械性能

IF 6.2 2区材料科学

Journal of The European Ceramic Society Pub Date : 2025-10-05 DOI: 10.1016/j.jeurceramsoc.2025.117882

Kai Liu , Yao Zhang , Tianyang Li , Xinyang Li , Chuchu Ma , Huajun Sun , Xiaolong Gong , Chunze Yan , Yusheng Shi

{"title":"Biomimetic crossed-lamellar architecture: Elevating mechanical performance of continuous SiCf/SiC composites via robot-assisted 3D printing","authors":"Kai Liu , Yao Zhang , Tianyang Li , Xinyang Li , Chuchu Ma , Huajun Sun , Xiaolong Gong , Chunze Yan , Yusheng Shi","doi":"10.1016/j.jeurceramsoc.2025.117882","DOIUrl":"10.1016/j.jeurceramsoc.2025.117882","url":null,"abstract":"<div><div>Continuous silicon carbide fiber-reinforced silicon carbide (SiC<sub>f</sub>/SiC) composites with lightweight, high-strength, excellent high-temperature and oxidation resistance have received increasing attention in aerospace, nuclear energy, and transportation engineering. However, it is difficult for current processing techniques to form SiC<sub>f</sub>/SiC composites with complex shapes, and their mechanical properties are limited. In this study, we report the fabrication of SiC<sub>f</sub>/SiC composites via robot-assisted 3D printing technology and the innovative introduction of biomimetic crossed-lamellar structures with varied summit angles to improve their mechanical properties. The effect of the summit angles on the forming quality and mechanical properties of the SiC<sub>f</sub>/SiC composites was investigated, and the toughening mechanism of the crossed-lamellar structure was analyzed. Results reveal that robot-assisted 3D printing technology can achieve excellent printing quality at different summit angles, and the multi-orientation fiber alignment in crossed-lamellar structure promotes synergistic toughening through intralayer and interlayer crack propagation. When the summit angle is 120°, the SiC<sub>f</sub>/SiC composite exhibits significant reinforcement, achieving ultra-high flexural strength and fracture toughness of 307.38 ± 7.9 MPa and 20.74 ± 1.05 MPa·m<sup>1/2</sup>, respectively, especially the fracture toughness is increased by 72 % compared to the unidirectional structure. This work provides a novel approach for the fabrication of high mechanical performance continuous fiber-reinforced ceramic composites.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 3","pages":"Article 117882"},"PeriodicalIF":6.2,"publicationDate":"2025-10-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145269301","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

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

Aluminoborophosphate glasses and glass-ceramics doped with magnesium oxide: Structural, thermal, in vitro dissolution, and cytotoxicity studies 掺氧化镁的硼酸铝玻璃和微晶玻璃：结构、热、体外溶解和细胞毒性研究

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.2025.117868

Beata Pyzik , Michalina Bonalska , Sharafat Ali , Stefania Wolff , Maria Gazda , Michał Bielejewski , Paweł Wityk , Natalia Anna Wójcik

{"title":"Aluminoborophosphate glasses and glass-ceramics doped with magnesium oxide: Structural, thermal, in vitro dissolution, and cytotoxicity studies","authors":"Beata Pyzik , Michalina Bonalska , Sharafat Ali , Stefania Wolff , Maria Gazda , Michał Bielejewski , Paweł Wityk , Natalia Anna Wójcik","doi":"10.1016/j.jeurceramsoc.2025.117868","DOIUrl":"10.1016/j.jeurceramsoc.2025.117868","url":null,"abstract":"<div><div>This study explores the effects of Mg²⁺ ion incorporation and nanocrystalline phases formation on the structure and <em>in vitro</em> dissolution behavior of aluminoborophosphate glasses and glass-ceramics. Two series of MgO-doped samples were prepared via melt-quenching, either in water or on a metal plate, yielding amorphous and partially crystalline materials, respectively. Structural and thermal analyses revealed that increasing MgO content enhanced glass transition and crystallization temperatures and promoted nanocrystal formation. <em>In vitro</em> dissolution tests in phosphate-buffered saline showed that the glass-ceramics dissolved up to five times faster than their amorphous counterparts, with calcium phosphate layers, likely apatite-like phases, forming predominantly on high-Mg samples. Cytotoxicity studies using HUVEC cells indicated that the glass samples were non-cytotoxic under all tested conditions, while the glass-ceramics exhibited composition and concentration dependent effects. These findings highlights the potential of Mg²⁺ doping and partial crystallization to tailor the bioactivity and dissolution behavior of aluminoborophosphate-based materials.</div></div>","PeriodicalId":17408,"journal":{"name":"Journal of The European Ceramic Society","volume":"46 3","pages":"Article 117868"},"PeriodicalIF":6.2,"publicationDate":"2025-10-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145269304","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