Open CeramicsPub Date : 2025-04-22DOI: 10.1016/j.oceram.2025.100786
M. Piryaee , H.R. Ghadami Karder , M. Khodaei
{"title":"Hydrophobic anodized alumina surface with embedded CuO nanoparticles: A study on antibacterial behavior","authors":"M. Piryaee , H.R. Ghadami Karder , M. Khodaei","doi":"10.1016/j.oceram.2025.100786","DOIUrl":"10.1016/j.oceram.2025.100786","url":null,"abstract":"<div><div>High-touch surfaces pose a significant risk of nosocomial infections, making the development of antibacterial surfaces crucial for inactivating bacteria. In this study, we engineered a one-pot anodic oxidation process incorporating CuO nanoparticles, resulting in a hierarchical porous microstructure. Energy-dispersive spectroscopy (EDS) confirmed the successful embedding of CuO nanoparticles on the anodized aluminum surface. Since the anodic oxidation of aluminum and CuO nanoparticle embedding occurred simultaneously, precise control over nanoparticle distribution was limited. Following stearic acid modification, the CuO-embedded hydrophobic aluminum surface achieved a water contact angle of 121° The antibacterial assay demonstrated a 68 % reduction in <em>Escherichia coli</em> colonies, for the stearic acid-modified CuO-embedded sample, highlighting the synergistic effect of hydrophobicity and CuO nanoparticles. This study presents a novel strategy for fabricating hydrophobic aluminum surfaces capable of disrupting bacterial colonies effectively. The one-pot, cost-effective approach underscores its suitability for industrial and practical applications.</div></div>","PeriodicalId":34140,"journal":{"name":"Open Ceramics","volume":"22 ","pages":"Article 100786"},"PeriodicalIF":2.9,"publicationDate":"2025-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143881727","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Open CeramicsPub Date : 2025-04-22DOI: 10.1016/j.oceram.2025.100785
Athanasios Goulas, Basar Ozkan, Sina Saremi-Yarahmadi, Bala Vaidhyanathan
{"title":"Formulation-driven additive manufacturing of 3YSZ advanced ceramics via digital light processing","authors":"Athanasios Goulas, Basar Ozkan, Sina Saremi-Yarahmadi, Bala Vaidhyanathan","doi":"10.1016/j.oceram.2025.100785","DOIUrl":"10.1016/j.oceram.2025.100785","url":null,"abstract":"<div><div>Zirconia is a key advanced ceramic due to its high mechanical strength, thermal stability, and biocompatibility. However, vat photopolymerisation-based additive manufacturing of zirconia presents challenges requiring advanced formulations and processing. This study demonstrates the successful fabrication of 3 mol.% yttria-stabilised zirconia (3YSZ) using digital light processing (DLP). Complex green bodies were shaped from ceramic suspensions with 46 vol.% solids (82 wt.%), followed by thermal binder removal and sintering at 1475 °C for 4 h. The 3D-printed structures achieved 99.4 ± 0.2 % density and an average Vickers microhardness of 1244.2 ± 98.2 HV<sub>1/10</sub> (12.2 ± 0.96 GPa). This work highlights that dense, robust 3YSZ components can be produced using low-cost DLP equipment, broadening accessibility in advanced ceramic additive manufacturing.</div></div>","PeriodicalId":34140,"journal":{"name":"Open Ceramics","volume":"22 ","pages":"Article 100785"},"PeriodicalIF":2.9,"publicationDate":"2025-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143899306","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Open CeramicsPub Date : 2025-04-22DOI: 10.1016/j.oceram.2025.100787
Wen Hsi Lee, C.R. Kuo, Hong En Chen
{"title":"A study on grain boundary barrier layer solid aluminum capacitors","authors":"Wen Hsi Lee, C.R. Kuo, Hong En Chen","doi":"10.1016/j.oceram.2025.100787","DOIUrl":"10.1016/j.oceram.2025.100787","url":null,"abstract":"<div><div>This study employs solid-state and chemical plating methods to fabricate aluminum grain boundary capacitors using Al@CuO composite materials. The materials were prepared under varying compaction pressures (200 psi, 500 psi, and 700 psi) and thermal treatments (450 °C, 500 °C, and 550 °C). The dielectric layer structure, consisting of aluminum oxide and copper oxide, was successfully synthesized, as evidenced by the crystal structures and chemical bonds of the constituent materials. XRD and XPS analyses confirmed the composition of the aluminum grain boundary capacitors. SEM and STEM data revealed a layered grain boundary structure. Observations of thermite reactions and solid-state diffusion mechanisms contributed to the formation of this layered structure. Each grain exhibited a core-shell configuration (aluminum core / aluminum oxide grain boundary layer / cuprous oxide shell layer / copper oxide grain boundary layer), effectively functioning as an equivalent capacitor.</div><div>AC impedance analysis revealed two semicircles for Al coated with CuO, compacted under 200 psi and thermally treated at 550 °C, respectively representing the grain boundary resistance of the Al₂O₃ dielectric with a 30 nm thickness and the grain boundary resistance of the CuO dielectric with a 376 nm thickness. Consequently, two grains form three equivalent capacitors, resulting in a solid-state aluminum grain boundary capacitor with promising dielectric properties, including a dielectric constant of 4059, a dielectric loss of 0.02, and an insulation resistance of 9.41 × 10⁴ kΩ.</div></div>","PeriodicalId":34140,"journal":{"name":"Open Ceramics","volume":"22 ","pages":"Article 100787"},"PeriodicalIF":2.9,"publicationDate":"2025-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144070694","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Open CeramicsPub Date : 2025-04-21DOI: 10.1016/j.oceram.2025.100783
Yunusu Bwambale , Vianney Andrew Yiga , Michael Lubwama
{"title":"Utilization of agricultural residues in ceramic tiles: A review","authors":"Yunusu Bwambale , Vianney Andrew Yiga , Michael Lubwama","doi":"10.1016/j.oceram.2025.100783","DOIUrl":"10.1016/j.oceram.2025.100783","url":null,"abstract":"<div><div>The cost of ceramics used in tile production has become increasingly prohibitive, yet the need for housing and other constructions requiring these materials keeps growing with increasing population across the globe. The cost of ceramics extraction is consequently increasing and the process results into depletion of land for cultivation and also poses high risks of environmental pollution. The review presents an extensive analysis of the utilization of agricultural residues in ceramic tile manufacturing over the past decade (2014–2024). Eight agricultural residues were analyzed, including sugarcane bagasse (SCB), rice husks (RH), wheat straws (WS), corn cobs (CC), coconut shells (CS), coffee husks (CH), palm kernel shells (PKS) and peanut shells (PS) for their suitability as fillers in ceramic tiles. These residues have been studied in terms of ashes and fibers. Most of these agricultural residue ashes have high silica content, leading to their utilization as supplementary cementitious materials (SCMs) to reduce on the amount of ceramics incorporated in tiles. High silica content in ash of agricultural residues plays the vital role of an effective pozzolan, leading to enhanced pozzolanic reactions. This results into better performance of ceramic tiles through improving its mechanical properties such as compressive strength and flexural strength. For the best combination of residues and ceramics, the percentage of porosity, water absorption and linear shrinkage reduces significantly while the bulk density and bending strength increases.</div></div>","PeriodicalId":34140,"journal":{"name":"Open Ceramics","volume":"22 ","pages":"Article 100783"},"PeriodicalIF":2.9,"publicationDate":"2025-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143874079","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Open CeramicsPub Date : 2025-04-21DOI: 10.1016/j.oceram.2025.100781
Aasir Rashid , Moritz Thiem , Merle Wellmann , Marc Bresser , Olaf Lindemann , Katharina-Sophia Wiegers , Jan Philipp Hofmann , Andreas Schulz , Armin Feldhoff , Anke Weidenkaff , Marc Widenmeyer
{"title":"Enhancing the hydrogen tolerance of La0.6Ca0.4Co0.2Fe0.8O3–d oxygen transport membranes with the substitution of 10 % Mn at the B site for plasma assisted CO2 conversion","authors":"Aasir Rashid , Moritz Thiem , Merle Wellmann , Marc Bresser , Olaf Lindemann , Katharina-Sophia Wiegers , Jan Philipp Hofmann , Andreas Schulz , Armin Feldhoff , Anke Weidenkaff , Marc Widenmeyer","doi":"10.1016/j.oceram.2025.100781","DOIUrl":"10.1016/j.oceram.2025.100781","url":null,"abstract":"<div><div>The tendency of mixed ionic electronic conducting (MIEC) materials to be highly selective towards oxygen allows for their use as oxygen transport membranes (OTMs). To be used as OTMs in plasma assisted CO<sub>2</sub> conversion and H<sub>2</sub> utilisation applications, requires high oxygen permeability, structural stability against reducing atmospheres (such as CO<sub>2</sub>, CO, H<sub>2</sub>, etc.) and suitable mechanical properties. La<sub>0.6</sub>Ca<sub>0.4</sub>Co<sub>1–</sub><em><sub>x</sub></em>Fe<em><sub>x</sub></em>O<sub>3–</sub><em><sub>d</sub></em> (LCCF) has already shown excellent tolerance against CO<sub>2</sub> and recently, in our previous work, its specific variant, La<sub>0.6</sub>Ca<sub>0.4</sub>Co<sub>0.2</sub>Fe<sub>0.8</sub>O<sub>3–</sub><em><sub>d</sub></em> (LCCF_6428) showcased hydrogen tolerance for upto 25 hours at 600 °C. In this work, we aim to further improve the hydrogen tolerance of LCCF_6428 by the introduction of strong Mn<sup>4+</sup>-O bonds into the material structure. To achieve this, 10 % Fe was substituted with manganese (Mn) at the <em>B</em> site of LCCF_6428. The resulting composition La<sub>0.6</sub>Ca<sub>0.4</sub>Co<sub>0.2</sub>Fe<sub>0.7</sub>Mn<sub>0.1</sub>O<sub>3–</sub><em><sub>d</sub></em> (LCCF_64271) was chosen and synthesized with ultrasonic spray synthesis (USS). The presence of strong Mn<sup>4+</sup>-O bonds led to a two-fold increase in the hydrogen tolerance of the membrane material with respect to LCCF_6428 with a slight 5 % decrease in oxygen permeability.</div></div>","PeriodicalId":34140,"journal":{"name":"Open Ceramics","volume":"22 ","pages":"Article 100781"},"PeriodicalIF":2.9,"publicationDate":"2025-04-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143870748","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Development of ceramic membranes from sugarcane bagasse ash for microfiltration of biodiesel production effluents","authors":"Clarissa Ferreira Pin , Danieli Brandler , Gabriela Cristina Perusin Flores , William Mateus Kubiaki Levandoski , Giovani Jordi Bruschi , Deise Trevizan Pelissaro , Adriana Dervanoski , Eduardo Pavan Korf , Gean Delise Leal Pasquali","doi":"10.1016/j.oceram.2025.100782","DOIUrl":"10.1016/j.oceram.2025.100782","url":null,"abstract":"<div><div>Ceramic membranes have emerged as a promising solution for microfiltration processes, offering advantages such as cost-effectiveness, environmental benefits, and the utilization of abundant raw materials derived from agro-industrial solid waste. This study investigates the fabrication and performance of ceramic membranes composed of kaolin the varying proportions of sugarcane bagasse ash (SCBA - 40 wt % and 60 wt %), with focus on efficiency in treating biodiesel wastewater. The membranes were characterized (porosity, average pore diameter, and mechanical strength). The membrane containing 40 wt % SCBA - employed without any pre-treatment- exhibited the best overall performance, achieving porosity of 38.5 %, an pore diameter of 0.9 µm, and mechanical strength of 27 MPa, indicating a favorable balance between permeability and structural integrity. The best-performing membrane achieved removal efficiencies of color 83 % and turbidity 67 %. Microstructural analysis revealed a network of interconnected mesopores, which are particularly effective for the retention of colloidal and suspended contaminants.</div></div>","PeriodicalId":34140,"journal":{"name":"Open Ceramics","volume":"22 ","pages":"Article 100782"},"PeriodicalIF":2.9,"publicationDate":"2025-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143870749","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A review on atomically modified materials by atomic layer deposition for wastewater treatment","authors":"Asif Jan, Melike Begum Tanis-Kanbur, Luuk C. Rietveld, Sebastiaan G.J. Heijman","doi":"10.1016/j.oceram.2025.100780","DOIUrl":"10.1016/j.oceram.2025.100780","url":null,"abstract":"<div><div>The growing global water crisis necessitates advanced wastewater treatment technologies capable of addressing complex contaminants. Adsorbents and membrane technologies provide viable solutions for wastewater treatment, and their performance can be significantly enhanced through surface modification by atomic layer deposition (ALD). ALD enables nanoscale engineering of materials, offering unprecedented control over surface chemistry, pore structure, and functional properties for improved wastewater treatment efficiency. This review critically examines the advancements in ALD-modified membranes and adsorbents for industrial wastewater treatment, highlighting how ALD enhances adsorption kinetics and selectivity in adsorbents, improves hydrophilicity and antifouling behavior in polymeric membranes, and enhances chemical and mechanical stability in ceramic membranes. Despite these advantages, challenges remain in adoption of ALD in wastewater treatment. Future research should focus on optimizing ALD process parameters and exploring synergies with emerging water purification strategies. The continued development of ALD presents a promising pathway towards more efficient and sustainable wastewater treatment solutions.</div></div>","PeriodicalId":34140,"journal":{"name":"Open Ceramics","volume":"22 ","pages":"Article 100780"},"PeriodicalIF":2.9,"publicationDate":"2025-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143899307","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Open CeramicsPub Date : 2025-04-15DOI: 10.1016/j.oceram.2025.100779
Martina Šídlová , Rostislav Šulc
{"title":"Thermal stability of hydraulic non-cement binder prepared from FBC ash","authors":"Martina Šídlová , Rostislav Šulc","doi":"10.1016/j.oceram.2025.100779","DOIUrl":"10.1016/j.oceram.2025.100779","url":null,"abstract":"<div><div>The thermal stability of a non-cement sulfocalcic binder (SCB) prepared from FBC ash was studied at 80 °C, 200 °C and 600 °C for 90 days and compared with the thermal stability of OPC. All the test bodies produced from SCB pastes had been pretreated in a humidity chamber for 28 days. The SCB was found to be stable in terms of strength at temperatures of up to 80 °C. At a temperature of 200 °C, ettringite in the SCB disintegrated and its strength dropped by about 27 % in the initial hours of the experiment, after which the strength of the SCB became stable. At a temperature of 600 °C, the strength of the SCB was seen to drop again by about 46 %. However, in the long term, the SCB at 600 °C appeared more stable when compared to OPC, which can be attributed to the presence of C-A-S-H phase.</div></div>","PeriodicalId":34140,"journal":{"name":"Open Ceramics","volume":"22 ","pages":"Article 100779"},"PeriodicalIF":2.9,"publicationDate":"2025-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143848640","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Open CeramicsPub Date : 2025-04-11DOI: 10.1016/j.oceram.2025.100776
T. Ibn-Mohammed , N. Bhanot , A.H. Mohammed , C.E.J. Dancer , K. Kirwan
{"title":"An ISM-based approach to overcoming barriers to adopting next-generation processing and computing technologies in the ceramics and glass manufacturing industries","authors":"T. Ibn-Mohammed , N. Bhanot , A.H. Mohammed , C.E.J. Dancer , K. Kirwan","doi":"10.1016/j.oceram.2025.100776","DOIUrl":"10.1016/j.oceram.2025.100776","url":null,"abstract":"<div><div>Next-generation processing and computing technologies (NGPTs), being new platforms that provide high energy efficiency and process intensification, are touted as key decarbonisation enablers in the ceramic and glass manufacturing sectors, but there are adoption barriers to overcome. Through a critical literature review and thematic analysis of ceramics and glass stakeholders’ interviews and workshop data, twelve consolidated barriers were identified, broadly grouped into economic, organisational, external & regulatory, and operational & technological factors. The Interpretive Structural Modelling (ISM) technique was adopted to deepen the understanding of the contextual interactions and interdependencies among the barriers, structuring them into seven hierarchical layers. This ISM output was further complemented with a MICMAC analysis to determine the dependence and driving powers of the barriers. Regulatory ambiguity alongside a lack of digital strategy were established to be the two most influential barriers, with knock-on effects on the remaining ones, in the interplay between NGPTs adoption and digital transformation towards net-zero, in both sectors. The results offer uniquely useful policy insights and practical managerial levers for ceramics and glass stakeholders regarding targeted intervention options prioritisation when designing response strategies for overcoming the barriers.</div></div>","PeriodicalId":34140,"journal":{"name":"Open Ceramics","volume":"22 ","pages":"Article 100776"},"PeriodicalIF":2.9,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143890687","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}