Results 21 to 30 of about 613 (173)
Evaluation of the Yttrium Oxide Effect on Some Mechanical Properties of (Type III) Dental Stone
Journal of Techniques, 2023 For many years, gypsum compounds have been used in dentistry. They're used to make casts for various dental laboratory operations. Gypsum products have important characteristics such as "quality, abrasion resistance, compressive strength, hardness ...
Najwah Yousuf Hameed +2 more
doaj +1 more source
Reactions of alkaline earth zirconate refractories with titanium alloys [PDF]
MATEC Web of Conferences, 2020 The severe reactivity of titanium alloys with ceramics is a major challenge for their processing. Up to now refractories to melt and cast titanium alloys are selected on the basis of a low Gibbs energy of formation. This kind of selection assumes that an
Schafföner Stefan
doaj +1 more source
Frontiers in Chemistry, 2020 The aqueous room temperature mono-dehydration of sugar alcohols (D-sorbitol and D-mannitol) was conducted using functionalized yttrium oxide nanocatalysts prepared via sol-gel methods.
Juncheng Yang +13 more
doaj +1 more source
Synthesis of Yttrium Oxide Nanoneedles with Carbon Dioxide Carbonization
Nanomaterials, 2022 In this study, a CO2 carbonization method is introduced for the preparation of 1D yttrium oxide powders. Using YCl3 as the raw material, sodium hydroxide was initially used to completely precipitate Y3+ into yttrium hydroxide, and then CO2 was introduced
Minglu Rao +4 more
doaj +1 more source
Impact of magnesium oxide concentration and yttrium-aluminum garnet stoichiometry deviation on the microstructure and optical transmission of YAG-based ceramics [PDF]
Научно-технический вестник информационных технологий, механики и оптики, 2021 The paper investigates the effect of the magnesium oxide concentration on the ceramics’ microstructure and optical transmittance under conditions of excess Al3+ (4.8 mol.%) and Y3+ (2.9 mol.%) cations in the garnet structure, as well as the ...
Fedor F. Malyavin +8 more
doaj +1 more source
Nanomaterials, 2023 Ti-TiN-(Y,Ti,Al)N coatings with a three-layer architecture (adhesive Ti layer, transition TiN layer, and wear-resistant (Y,Ti,Al)N layer) were studied. When depositing coatings, three arc current values of the yttrium cathode were used: 65, 85, and 105 A.
Alexey Vereschaka +7 more
doaj +1 more source
High Temperature Materials and Processes, 2020 The mechanism of inclusions precipitation of the E690 offshore platform steel, with and without addition of yttrium, was studied using the thermodynamic calculation method.
Xi Xiaojun +4 more
doaj +1 more source
Nuclear Materials and Energy, 2017 Yttrium oxide thin films were prepared by reactive magnetron sputtering in different deposition condition with various oxygen flow rates. The annealing influence on the yttrium oxide film microstructure is investigated. The oxygen flow shows a hysteresis
Y. Mao +7 more
doaj +1 more source
Comparative Analysis on Reinforcement of Potential Additives in WOKA Cermet HVOF Coating Subjected to Slurry Erosion in Ash Conditions [PDF]
Iranian Journal of Materials Science and Engineering, 2022 In this paper, an investigation was carried out to test the suitability of potential additive materials in WOKA 3533 (WC-10Co4Cr) cermet HVOF coating subjected to slurry erosion in ash conditions.
Jashanpreet Singh +3 more
doaj
Results in Materials, 2021 In this work, the effective connection between oxide dispersion strengthened tungsten-based material (ODS-W) and TZM alloy has been realized via spark plasma sintering technology.
Dong-Guang Liu +6 more
doaj +1 more source