Results 1 to 10 of about 7,790 (256)

Yttria magnesia co-stabilized zirconia refractories for application as functional components in continuous steel casting

open access: yesOpen Ceramics, 2023
Zirconia is one of the most promising functional refractory materials in continuous steel casting and is employed in areas with high thermal and chemical stresses such as the slag line, the nose of monoblock stoppers or the inlet area of submerged entry ...
Claudia Heuer   +7 more
doaj   +1 more source

Change in Conductivity of Yttria Stabilized Zirconia

open access: yesJournal of the Japan Society of Powder and Powder Metallurgy, 2003
The change in conductivity of 8 mol% and 10 mol% yttria stabilized zirconia (8YSZ and 10YSZ, respectively) were measured during continuous current loading at 1000°C. The conductivity of 8YSZ gradually degraded with holding time in the test and it decreased to about 65% of the initial value after annealing for 1500h.
Masatoshi Hattori   +7 more
openaire   +2 more sources

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

open access: yesNature 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   +11 more
doaj   +1 more source

Effect of sintering temperature on translucency parameter of zirconia blocks

open access: yesDental 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   +5 more
doaj   +1 more source

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

open access: yesBMC 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   +3 more
doaj   +1 more source

Properties of a Pressureless Sintered 2Y-TZP Material Combining High Strength and Toughness

open access: yesCeramics
Yttria stabilized zirconia materials are frequently used in mechanical engineering and biomedical applications. Demanding loading conditions require materials combining a high level of strength and fracture toughness. A ready-to-press alumina doped 2 mol%
Frank Kern, Bettina Osswald
doaj   +1 more source

Laser sealing and thermal shock resistance of 6.5 wt% yttria Partially stabilized zirconia plasma sprayed layers [PDF]

open access: yesEngineering and Technology Journal, 2009
Laser sealing of zirconia-6.5 wt% yttria partially stabilized zirconia (YPSZ) plasmasprayed layers were examined for both plan views and transverse sections.
Mohammed Jasim Kadhim
doaj   +1 more source

Effect of glazed and polished 3Y-TZP and 5 mol% yttria-stabilized partially stabilized zirconia on fibroblast behavior: In vitro study

open access: yesThe Journal of Indian Prosthodontic Society
Aim: To evaluate and compare the viability, proliferation, and adhesion of HGFs on glazed and polished surfaces of 3 mol% yttria-stabilized tetragonal zirconia (3Y-TZP) and 5 mol% yttria-stabilized partially stabilized zirconia (5Y-PSZ).
Mahima Ahuja   +4 more
doaj   +1 more source

Damage tolerance of six dental zirconias with different translucencies

open access: yesBiomaterial 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   +2 more
doaj   +1 more source

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

open access: yesActa 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   +3 more
openaire   +4 more sources

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