Results 11 to 20 of about 4,420 (220)
Microstructure and Phases Analysis for Advanced Plasma Sprayed Zirconia-Ceria-Yttria Thermal Barrier Coating [PDF]
Engineering and Technology Journal, 2017 Thoroughly qualitative and quantitative topography, microstructure, splats formation and phases evaluation were made to understand carefully the behavior of plasma sprayed zirconia-ceria-yttria coatings processed under near optimum processing conditions.
M.J. Kadhim, M.H. Hafiz, M.A. Ali bash
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Phase relations in the yttria–neodymia system at 1500 °C [PDF]
Processing and Application of Ceramics, 2017 The phase equilibria in the binary system Nd2O3−Y2O3 at 1500 °C were studied in the overall concentration range by means of X-ray analysis and petrography.
Olga V. Chudinovych +3 more
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JADA Foundational Science, 2023 Background: When selecting zirconia for a dental restoration, laboratory prescriptions often refer to high strength and high translucency. In this survey, zirconia specimens were ordered from various dental laboratories for posterior (high strength) and ...
Yifeng Liao, PhD +6 more
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Effects of PVA Polymer Type and Calcination Temperature on Synthesis of Nanocrystalline Yttria Powder by Polymer Solution Route [PDF]
Archives of Metallurgy and Materials, 2018 Nano-sized yttria (Y2O3) powders were synthesized by a polymer solution route using polyvinyl alcohol (PVA) as an organic carrier. The PVA polymer affected the dispersion of yttrium ions in precursor sol.
Y.-K. Yang, S.-J. Lee
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Phase diagrams of zirconium dioxide systems with yttrium and scandium oxides
Конденсированные среды и межфазные границы, 2023 The literature data on the study of phase equilibria in systems zirconia with yttria and scandia are analysed. Possible schemes of low-temperature phase equilibria in ZrO2-Y2O3 and ZrO2-Sc2O3 systems are presented taking into account the third law of ...
Pavel P. Fedorov, Elena V. Chernova
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Eu, Gd-Codoped Yttria Nanoprobes for Optical and T1-Weighted Magnetic Resonance Imaging
Nanomaterials, 2017 Nanoprobes with multimodal functionality have attracted significant interest recently because of their potential applications in nanomedicine. This paper reports the successful development of lanthanide-doped Y2O3 nanoprobes for potential applications in
Timur Sh Atabaev +9 more
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Materials, 2022 Yttria-stabilized zirconia (YSZ) is well-known as a material with perfect mechanical, thermal, and electrical properties. It is used for manufacturing various high-temperature components for aerospace and energy generation, as well as wear- and corrosion-resistant devices in medicine.
Volodymyr Kulyk +5 more
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Re-Melting Nb–Si-Based Ultrahigh-Temperature Alloys in Ceramic Mold Shells
Metals, 2019 In furnaces with different heating elements, Nb−Si based ultrahigh-temperature alloy rods were re-melted in pure yttria mold shells and zirconia face-coat mold shells at 1850 °C for 30 min.
Yin Wang, Xiping Guo
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The effect of Y2O3 addition on thermal shock behavior of magnesium aluminate spinel [PDF]
Science of Sintering, 2009 The effect of yttria additive on the thermal shock behavior of magnesium aluminate spinel has been investigated. As a starting material we used spinel (MgAl2O4) obtained by the modified glycine nitrate procedure (MGNP).
Pošarac Milica +4 more
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Microstructure and Wear Rate of Yttria Reinforced Aluminum – Silicon Matrix Composites [PDF]
Engineering and Technology Journal, 2010 In this research, composite materials of hypereutectic aluminum – silicon as a matrix reinforced with different volume fractions (2%, 4%, 6%, 8%) of Yttria particles with grain size between (50 - 75 μm) are prepared. The composites are prepared by vortex
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