Results 51 to 60 of about 97 (97)

Field‐assisted processing of Ce–zirconolite ceramics for nuclear applications

International Journal of Applied Ceramic Technology, Volume 22, Issue 4, July/August 2025.
Field‐assisted processing of zirconolite ceramics resulted in significant reduction in time and energy compared to conventional processing. Abstract Conventional, flash, and hybrid sintering (unique combination of conventional and microwave heating) experiments were performed on 10% Ce‐doped zirconolite samples and the results were compared.
Annapoorani Ketharam, Dimitri Pletser, Nigel Evans, Bala Vaidhyanathan   +3 more
wiley   +1 more source

Electrochemical Determination of Gallic Acid in Tea Samples Using Pyramidal Pt Nanoparticles

Advanced Electronic Materials, Volume 11, Issue 8, June 2025.
A novel electrochemical sensor based on pyramidal Pt nanoparticles for gallic acid detection in black and green tea samples is developed. The sensor is prepared by a simple drop casting of nanoparticles on the electrode surface, without any supporting materials, such as polymer matrices and surfactants.
Tiziano Di Giulio, Maria Antonieta Ramírez‐Morales, Valentina Mastronardi, Giuseppe Mele, Rosaria Brescia, Pier Paolo Pompa, Cosimino Malitesta, Giuseppe Egidio De Benedetto, Mauro Moglianetti, Maria Ada Malvindi, Elisabetta Mazzotta   +10 more
wiley   +1 more source

Enhancing dielectric properties of BaZrTiO3 via controlled anatase/rutile core‐shell TiO2

Journal of the American Ceramic Society, Volume 108, Issue 6, June 2025.
Abstract Numerous studies are being conducted to develop novel materials capable of achieving ultrahigh dielectric constants. In this research, we focused on controlling oxygen vacancies and grain growth in dielectric materials to enhance their dielectric properties.
Wolil Nam, Ransae Cheon, Jihye Seo, Seokha Heo, Seungchan Cho, Giyoung Byun, Yangdo Kim, Moonhee Choi   +7 more
wiley   +1 more source

Phase segregation of aged MgCSZ–MgO directionally solidified eutectic composites

Journal of the American Ceramic Society, Volume 108, Issue 6, June 2025.
Abstract The improvement of the thermomechanical properties of Mg‐partially stabilized zirconia after appropriate thermal treatments is well known. Most studies in this subject have been conducted in polycrystalline materials produced by solid‐state reaction.
Patricia B. Oliete, Rosa I. Merino, Jose I. Peña, María Luisa Sanjuán   +3 more
wiley   +1 more source

Orientation‐dependent plasticity in microcompression of oxide single crystals

Journal of the American Ceramic Society, Volume 108, Issue 6, June 2025.
Abstract Micropillar compression (microcompression) is a promising technology for studying the intrinsic strength and plasticity of macroscopically brittle ceramics. However, their ductility limits at microscopic scale have rarely been investigated.
Hiroshi Masuda, Yelm Okuyama, Hidehiro Yoshida   +2 more
wiley   +1 more source

Fracture Resistance and Wear Behavior of Ultra‐Thin Occlusal Veneers Made From Translucent Zirconia Ceramics Bonded to Different Tooth Substrates

Journal of Esthetic and Restorative Dentistry, Volume 37, Issue 6, Page 1463-1473, June 2025.
ABSTRACT Objective Investigation of the mechanical properties of occlusal veneers made from zirconia with varying translucency, bonded to different tooth substrates. Materials and Methods Sixty‐four extracted molars were divided into two groups: preparation within enamel (E) or extending into dentin (D). Veneers were milled from four zirconia ceramics (
Nele Fulde, Sebastian Wille, Matthias Kern   +2 more
wiley   +1 more source

Parametrization of Zirconium for DFTB3/3OB: A Pathway to Study Complex Zr‐Compounds for Biomedical and Material Science Applications

Journal of Computational Chemistry, Volume 46, Issue 14, May 30, 2025.
Zirconium is of significant interest in the domain of material science and biomedical applications. The development of fast and accurate computational methodologies is of paramount importance for studying the properties of these materials. This article presents an extension of the well‐established DFTB3/3OB approach to Zr, with the objective of ...
Armin Penz, Jakob Gamper, Josef M. Gallmetzer, Felix R. S. Purtscher, Thomas S. Hofer   +4 more
wiley   +1 more source

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ChemInform Abstract: NITRIDE‐STABILIZED CUBIC ZIRCONIA

Chemischer Informationsdienst, 1978
AbstractDie kubische Hochtemperaturphase von ZIO, wird nicht nur durch Oxid‐Zusätze, sondern auch durch Nitride stabilisiert: 10‐30 rnol% AIN, Si3N4, TiN oder ZrN bewirken ein Ansteigen des Molenbruchs der kubischen ZrO,‐Phase auf 0.3 ‐ 0.75, 1.5 mol‐% Mg3N2 erhöhen ihn auf 1.0.
Nils Claussen, Rudolf Wagner, Ludwig J. Gauckler, Günter Petzow   +3 more
openaire   +3 more sources

Hydrothermal degradation of cubic zirconia

Acta Materialia, 2003
Abstract Tetragonal ZrO2 undergoes a tetragonal to monoclinic transformation with the presence of water or water vapor when annealed at relatively low temperatures (65–400 °C); such a transformation has been shown to be due to the annihilation of oxygen vacancies. Nevertheless, cubic ZrO2 has always been presumed to be stable under similar conditions.
Xin Guo, Xin Guo, Jiaqing He
openaire   +2 more sources

Microwave sintering of cubic zirconia

Ceramics International, 2001
Microwave processing is of considerable interest because of its potential applications in the ceramic industry. The present investigation describes the technique for the sintering of yttria stabilised cubic zirconia. Significant advantage in terms of higher density of the ceramics at lower heat work is noted compared to the conventional radiant heat ...
Ram Prasad, D. D. Upadhyaya, Abhijit Ghosh, K.R. Gurumurthy   +3 more
openaire   +2 more sources