Results 61 to 70 of about 27,341 (293)

Effect of sintering temperature on translucency parameter of zirconia blocks

Dental Research Journal, 2022
Background: The main drawbacks of zirconia are its high refractive index and opacity. This study aimed to assess the effect of sintering temperature on the translucency of Ivoclar e.
Fariborz Vafaei, Armaghan Shahbazi, Amirarsalan Hooshyarfard, Amir Hosein Najafi, Maziar Ebrahimi, Maryam Farhadian   +5 more
doaj   +1 more source

Surface microstructural changes of spark plasma sintered zirconia after grinding and annealing [PDF]

, 2016
Spark plasma sintered zirconia (3Y-TZP) specimens have been produced of 140 nm 372 nm and 753 nm grain sizes by sintering at 1250 °C, 1450 °C and 1600 °C, respectively.
Akhtar, Farid, Anglada Gomila, Marcos Juan, Antti, Marta-lena, Melk, Latifa, Mouzon, Johanne, Turón Viñas, Miquel   +5 more
core   +2 more sources

Next Generation of Thermal Barrier Coatings with High Temperature Metal‐Silicide Metamaterials

Advanced Optical Materials, EarlyView.
Thermal metamaterials have emerged as a powerful platform in the engineering of radiative heat transfer across a broad range of applications, including thermal imaging, passive cooling, and thermo‐photovoltaics. Here, a novel application is presented for metamaterials: thermal dual barrier coatings (TDBCs).
Ali Jishi, Avra S Bandyopadhyay, Xueji Wang, Tyler J Sentz, Aashish Poudel, Daien He, Wenbo Sun, Ashwin K Boddeti, Indra Subedi, Prabin Dulal, Bailey Frye, Nikolas Podraza, Chinmay Khandekar, Fanglin Bao, Thomas Thundat, Zubin Jacob   +15 more
wiley   +1 more source

High temperature deformability of ductile flash-sintered ceramics via in-situ compression

Nature Communications, 2018
Flash sintering allows for rapid ceramic processing, but the mechanical behavior of such ceramics remains poorly understood. Here, the authors compress micropillars of yttria stabilized zirconia to show flash sintering promotes outstanding plasticity.
Jaehun Cho, Qiang Li, Han Wang, Zhe Fan, Jin Li, Sichuang Xue, K. S. N. Vikrant, Haiyan Wang, Troy B. Holland, Amiya K. Mukherjee, R. Edwin García, Xinghang Zhang   +11 more
doaj   +1 more source

Enhanced reliability of yttria-stabilized zirconia for dental applications [PDF]

Acta Biomaterialia, 2015
An increasing number of dental applications based on yttria-stabilized zirconia (3 Y-TZP) have been developed in recent years as a result of the advances and versatility of dry-processing and soft machining at the pre-sintered state. Nonetheless, the long-term surface stability of these materials in humid environment is still a matter of concern and ...
Camposilvan, Erik, García Marro, Fernando, Mestra Rodríguez, Álvaro Miguel, Anglada Gomila, Marcos Juan   +3 more
openaire   +5 more sources

Origin of Ultraviolet‐Induced High‐Temperature Photovoltaic Response at Pt/Gd‐Doped CeO2 Interface

Advanced Optical Materials, EarlyView.
Oxygen uptake induced by UV irradiation generates an oxygen chemical potential gradient across acceptor‐doped ceria at high temperatures. Besides the photovoltage caused by band bending at the heterojunction interface, the observed voltage can also be attributed to the Nernst voltage arising from the oxygen potential gradient.
Mina Yamaguchi, Masaki Kurata, Yuki Morita, Ryosuke Iwata, Shogo Fuwa, Akihiro Ishii, Hitoshi Takamura, Keiji Yashiro, Tatsuya Kawada   +8 more
wiley   +1 more source

Damage tolerance of six dental zirconias with different translucencies

Biomaterial Investigations in Dentistry, 2020
Purpose High-translucent dental zirconia has been introduced as a suitable material for anterior monolithic restorations. The material composition differs from traditional 3Y-TZP both with regard to yttria content and grain size.
Cathrine Å. Karlsen, Christian Schriwer, Marit Øilo   +2 more
doaj   +1 more source

Making yttria-stabilized tetragonal zirconia translucent [PDF]

Dental Materials, 2014
The aim of this study was to provide a design guideline for developing tetragonal yttria-stabilized zirconia with improved translucency.The translucency, the in-line transmission in particular, of 3mol.% yttria-stabilized tetragonal zirconia (3Y-TZP) has been examined using the Rayleigh scattering model.
openaire   +3 more sources

Directional Light Scattering In Mie‐Resonant Si Particles With Ultra‐Thin Au Shells

Advanced Optical Materials, EarlyView.
Si@Au core‐shell particles have been produced to study their ability to directionally scatter light. We found that the heavily reported particulate shells do not overlap the electric and magnetic dipoles well, where continuous shells have better overlap. Experimental analyses, including nanomaterial characterization, EELS and single‐particle dark‐field
Emmanuel O. Idowu, Lucien Roach, Kevin O’ Connor, Jonathan G. C. Veinot, Sabrina Lacomme, Julien Proust, Jérôme Plain, Xiaoyan Li, Mathieu Kociak, Alexandre Baron, Virginie Ponsinet, Peter Wiecha, Glenna L. Drisko   +12 more
wiley   +1 more source

Translucency of recent zirconia materials and material-related variables affecting their translucency: a systematic review and meta-analysis

BMC Oral Health
Background Recent forms of translucent zirconia material have been developed, offering a wide range of options and varieties for enhancing aesthetics, making it a preferred choice in the field of prosthetic dentistry.
Mahinour Yousry, Ihab Hammad, Mohamed El Halawani, Moustafa Aboushelib   +3 more
doaj   +1 more source