Results 21 to 30 of about 197,443 (329)

Crystal structure of tris(dimethylamido-κN)bis(dimethylamine-κN)zirconium(IV) iodide

Acta Crystallographica Section E: Crystallographic Communications, 2016
Zirconium amides have become increasingly popular and useful due to their widespread use as precursors to other zirconium complexes and their use in the production of solid oxide fuel cells (SOFCs).
Wesley D. Clark, Gopalakrishna Akurathi, Henry U. Valle, T. Keith Hollis   +3 more
doaj   +1 more source

Zirconium Oxide and Iron Zirconate Obtained from Citrus Pectin and Nitrates Applied in the Photo-fenton-like Process

Orbital: The Electronic Journal of Chemistry, 2018
This paper describes the synthesis and characterization of zirconium oxide (ZrO2) and of the mixed oxide of iron (iron zirconate), obtained by gelification (80 °C) and calcination (600 °C) of citrus pectin and inorganic nitrates.
Cristiane Antoniazzi, Eryza Guimarães Castro, Fauze Jacó Anaissi   +2 more
doaj   +1 more source

Effects of dipping time in coloring liquids and surface finishing technique on the color of monolithic zirconia

Acta Odontologica Turcica, 2023
Objective: The objective of this study was to investigate the effects of liquid coloring in different dipping times and finishing procedures on color difference of precolored and liquid-colored monolithic zirconia ceramics.
Ceyda Başak İnal, Seçil Karakoca Nemli, Merve Bankoğlu Güngör   +2 more
doaj   +1 more source

Carbides and Nitrides of Zirconium and Hafnium. [PDF]

, 2019
Among transition metal carbides and nitrides, zirconium, and hafnium compounds are the most stable and have the highest melting temperatures. Here we review published data on phases and phase equilibria in Hf-Zr-C-N-O system, from experiment and ab ...
Hong, Qi-Jun, Navrotsky, Alexandra, Ushakov, Sergey V, van de Walle, Axel   +3 more
core   +1 more source

Changing the properties of diffusion-hardening solders hardened with titanium, zirconium, and hafnium powders

Физико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2023
This article presents the results of a study of the properties of three diffusion-hardening solders based on low-melting gallium alloys and copper-tin alloy powder after the introduction of inert metal powders of titanium, zirconium, and hafnium in an ...
V.М. Skachkov, L.A. Pasechnik, I.S. Medyankina, N.A. Sabirzyanov   +3 more
doaj   +1 more source

CHARACTERISTIC OF Zr-BEARING CRYSTALLINE PHASES FROM Rb-BEARING MODEL MATRIX MATERIALS [PDF]

Минералогия, 2023
As part of the synthesis of new matrix materials for vitrification of highly active radioactive wastes, the crystalline phases formed during rapid cooling from melts of the Na2O–Rb2O–SrO(Ba)–B2O3– SiO2–Al2O3–ZrO2 system with a high Rb and Zr content (up ...
V.E. Eremyashev, G.G. Korinevskaya, M.A. Rassomakhin, S.M. Lebedeva   +3 more
doaj   +1 more source

Investigations of Zr(IV) in LiF-CaF2: stability with oxide ions and electroreduction pathway on inert and reactive electrodes [PDF]

, 2013
In this work, a detailed electrochemical study of the molten LiF-CaF2-ZrF4 system is provided in the 810-920°C temperature range, allowing the determination of the reduction potential, the diffusion coefficient and the reduction mechanism of dissolved Zr(
Cassayre, Laurent, Chamelot, Pierre, Gibilaro, Mathieu, Massot, Laurent, Taxil, Pierre   +4 more
core   +4 more sources

Yeniden simantasyonun CAD/CAM zirkonya kuronların kısa titanyum ve zirkonya abutmentler üzerine tutunmasına etkisi

Acta Odontologica Turcica, 2020
Amaç: Bu çalışmanın amacı yeniden simantasyon işleminin bir self adeziv rezin siman ile kısa titanyum ve zirkonya dayanaklara yapıştırılan zirkonya kopinglerin tutuculuğuna etkilerinin karşılaştırmalı olarak değerlendirilmesidir.
Nurullah Türker, Mehmet Mustafa Özarslan   +1 more
doaj   +1 more source

Mechanical Behavior of Repaired Monolithic Crowns: A 3D Finite Element Analysis

Dentistry Journal, 2023
This study evaluated the mechanical behavior and risk of failure of three CAD-CAM crowns repaired with different resin composites through a three-dimensional (3D) finite element analysis.
Pablo Machado Soares, Lucas Saldanha da Rosa, Gabriel Kalil Rocha Pereira, Luiz Felipe Valandro, Marilia Pivetta Rippe, Amanda Maria de Oliveira Dal Piva, Albert J. Feilzer, Cornelis J. Kleverlaan, João Paulo Mendes Tribst   +8 more
doaj   +1 more source

Effect of Zr on Microstructure and Mechanical Properties of the Al–Cu–Yb and Al–Cu–Gd Alloys

Metals, 2022
The effect of zirconium on the microstructure, phase composition, and mechanical properties of AlCuYb and AlCuGd alloys was studied. The microstructure of the as-cast alloys did not consist of new intermetallic phases of zirconium with other elements, so
Olga I. Mamzurina, Sayed M. Amer, Irina S. Loginova, Maria V. Glavatskikh, Andrey G. Mochugovskiy, Ruslan Yu. Barkov, Andrey V. Pozdniakov   +6 more
doaj   +1 more source