Results 21 to 30 of about 4,420 (220)

Yttria stabilized zirconia membrane stability in molten fluoride fluxes for low-carbon magnesium production by the SOM process [PDF]

Journal of Mining and Metallurgy. Section B: Metallurgy, 2013
The Solid Oxide Membrane (SOM) process for magnesium production involves the direct electrolysis of magnesium oxide for energy efficient and low-carbon magnesium production.
Milshtein J., Gratz E., Pati S., Powell A.C., Pal U.   +4 more
doaj   +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

A Comparative Study on Luminescence Properties of Y₂O₃: Pr³⁺ Nanocrystals Prepared by Different Synthesis Methods

Nanomaterials, 2020
Pr3+-doped Y2O3 nanocrystals (NCs) have been obtained via five wet-chemistry synthesis methods which were optimized in order to achieve superior optical properties.
Andrea Diego-Rucabado, Marina T. Candela, Fernando Aguado, Jesús González, Fernando Rodríguez, Rafael Valiente, Rosa Martín-Rodríguez, Israel Cano   +7 more
doaj   +1 more source

Dimensional accuracy, mechanical property, and optical stability of zirconia orthodontic bracket according to yttria proportions

Scientific Reports, 2023
This in vitro study evaluated comprehensively the performances of zirconia brackets with varying yttria proportions in manufacturing advanced orthodontic brackets.
Changbum Park, Hai-Van Giap, Jae-Sung Kwon, Kyung-Ho Kim, Sung-Hwan Choi, Joon Sang Lee, Kee-Joon Lee   +6 more
doaj   +1 more source

Damage and microstructure evolution of yttria particle reinforced tungsten plates under laser thermal shock

Fenmo yejin jishu
Yttria particle reinforced tungsten plates with different thickness reduction were prepared by powder metallurgy technology combined with rolling process.
REN Daya, ZAN Xiang
doaj   +1 more source

Investigation on the Mechanical Properties of Mg-Al Alloys (AZ41 and AZ51) and Its Composites

Metals, 2012
In the present study, AZ41 and AZ51 alloys were fabricated using disintegrated melt deposition technique followed by hot extrusion. AZ41/Yttria and AZ51/Yttria composites were prepared using 0.6 wt% yttria nano particles in the alloys using the same ...
Manoj Gupta, Abdel Magid Hamouda, Quy B. Nguyen, Khin S. Tun, Ng J. Minh   +4 more
doaj   +1 more source

Cavitation-assisted decontamination of yttria from graphite of different densities

Ultrasonics Sonochemistry, 2021
Yttria coated graphite crucibles are widely used to handle molten refractory and radioactive metals like uranium and plutonium. However, the coated layer suffers damages like cracking and peeling off owing to thermal cycles.
S. Lahiri, D. Mandal, P.R. Gogate, A. Ghosh, R.L. Bhardwaj   +4 more
doaj   +1 more source

Crack Growth Tests in Air Plasma-Sprayed Yttria Coatings for Alumina Ceramic Matrix Composites

Ceramics, 2019
Yttria coatings for all-oxide combustor walls were tested for their crack-growth behavior. These environmental and thermal barrier Y2O3-coatings were processed by atmospheric plasma spraying (APS). The stiffness and strength were measured for as-received
Stefan Hackemann, Marion Bartsch
doaj   +1 more source

Effect of Y2O3 Nanoparticles on Corrosion Study of Spark Plasma Sintered Duplex and Ferritic Stainless Steel Samples by Linear Sweep Voltammetric Method [PDF]

Archives of Metallurgy and Materials, 2018
The microstructure and corrosion properties of spark plasma sintered yttria dispersed and yttria free duplex and ferritic stainless samples were studied. Spark plasma sintering (SPS) was carried out at 1000°C by applying 50 MPa pressure with holding time
R. Shashanka, D. Chaira, Kumara Swamy B.E.   +2 more
doaj   +1 more source

Current Status and Challenges in Data Collection for Aerospace Coatings Deposited by Plasma Spraying

Advanced Engineering Materials, EarlyView.
An innovative approach has been integrated into the GRENAT project to optimize plasma spraying and coating performance. Raw materials are accelerated and melted in the plasma generated by torches, creating coatings. Monitoring sensors collect process data which are combined with ex situ characterization data.
Lila Randriamananjara, Vincent Rat, Quentin Dubreuil, Patrice Valorge, Simon Goutier, Alain Denoirjean, Olivier Messe, Céline Ruelle, Jean‐Philippe Poli   +8 more
wiley   +1 more source