Results 41 to 50 of about 75,402 (311)

Optimization of Squeeze Casting Process Parameters on AA8011 Based Hmmcs Under NaCl Environment [PDF]

open access: yesArchives of Metallurgy and Materials
The present research computes the impact of process parameters of squeeze casting on AA8011/Si3N4/ZrO2 Hybrid Metal Matrix Composites (HMMCs). The melting temperatures (700 to 800°C), Si3N4 + ZrO2 (5 to 15 wt.%) and stirring speed (550 to 750 rpm) were ...
S. Senthil Kumar   +2 more
doaj   +1 more source

Investigation Of ZrO2 And ZrO2/TiO2 Electrodes By Cyclic Voltammetry [PDF]

open access: yes, 2022
The subject of this study were electrochemical characteristics of transition metal oxide electrodes, consisting specifically of ZrO2 and TiO2, which have different crystallographic structure and lattice parameters. Metal oxides are a significant class of materials which have found vast applications in electrocatalysis.
Brdarić, Tanja   +6 more
openaire  

Enhanced Strength and Corrosion Resistance of Ti‐13Nb‐12Ta‐10Zr‐4Sn Alloy by Aging Treatment

open access: yesAdvanced Engineering Materials, EarlyView.
This work systematically investigates the effect of aging treatment on mechanical properties and corrosion behavior of vacuum arc‐melted Ti‐13Nb‐12Ta‐10Zr‐4Sn alloy. Owing to the increased α″ martensite, strength and corrosion resistance were significantly enhanced by aging treatment.
Yuhua Li   +5 more
wiley   +1 more source

Production and Characterization of ZrO2-Si3N4 Ceramics

open access: yesGazi Üniversitesi Fen Bilimleri Dergisi
ZrO2-Si3N4 ceramics (Si3N4 content varies between 0-20 wt.%) were produced 1500°C under a nitrogen atmosphere. As the amount of Si3N4 in ZrO2 was increased, densification was inhibited and the bulk density decreased gradually.
Sümeyra Ekşi, Gülsüm Topateş
doaj   +1 more source

Photocatalytic, electrochemical, antibacterial and antioxidant behaviour of carbon-sulphur Co-doped zirconium (IV) oxide nanocomposite

open access: yesCleaner Chemical Engineering, 2022
In this work, carbon-sulphur co-doped ZrO2 nanocomposites were synthesised using the aqueous leaves extract of Plumeria acuminate, zirconia salt precursor, polyvinylpyrrolidone and sodium hydrosulphide.
J.O. Tijani   +6 more
doaj   +1 more source

High‐Index, Low‐Loss Optical Material Platforms for Ultra‐Broadband Ultraviolet‐to‐Visible Achromatic Metalenses

open access: yesAdvanced Functional Materials, EarlyView.
An integrated material platform combining engineered SiNx thin films and printable ZrO2 nanoparticle‐embedded resin enables broadband achromatic metalenses from the ultraviolet to visible range. The demonstrated meta‐optics achieve near‐diffraction‐limited focusing with minimal chromatic aberration.
Hyunjung Kang   +3 more
wiley   +1 more source

Microstructure and Mechanical Properties of AZ31/ZrO2 Composites Prepared by Friction Stir Processing With High Rotation Speed

open access: yesFrontiers in Materials, 2020
The nano-ZrO2-reinforced AZ31 alloy composites were fabricated by friction stir processing with three multi-passes and high rotation speeds. The AZ31/2.14 vol% ZrO2, AZ31/4.29 vol% ZrO2, and AZ31/6.43 vol% ZrO2 composites were designed.
Qianhao Zang   +7 more
doaj   +1 more source

Enhancement of Dielectric Breakdown Strength and Recoverable Energy Density in Three‐Dimensional Heterointerfaces on BaTiO3–PbZrO3–PbTiO3 Films via Room‐Temperature Nano‐Clustering

open access: yesAdvanced Functional Materials, EarlyView.
A room‐temperature aerosol deposition process yields multiphase nano‐clustered dielectric capacitors containing discrete BaTiO3, PbZrO3, and PbTiO3 crystals. This architecture creates three‐dimensional heterointerfaces that induce interfacial charge trapping and effectively inhibit breakdown propagation.
Hyunseok Song   +8 more
wiley   +1 more source

Synthesis and characterization of [BaO-(10-x)ZrO2-TiO2-SiO2-xCrO3] type glass and glass ceramics

open access: yesJournal of Asian Ceramic Societies, 2020
Various glass compositions were prepared in a glassy system [25BaCO3-(10-x) ZrO2-20TiO2-45SiO2-xCrO3] (x = 0, 2, 4, and 6) using melt-quenching technique. XRD patterns of glass and glass ceramics showed amorphous and crystalline nature.
Zaireen Fatima   +7 more
doaj   +1 more source

Conformal Metallosaccharide Hybrid Films for Protecting Wood Surfaces From Environmental Damage

open access: yesAdvanced Functional Materials, EarlyView.
Ti‐ribose hybrid films fabricated by molecular layer deposition form a conformal and uniform coating on wood surfaces, which provides water repellence, dimensional stability, and resistance to acidic and alkaline environments, while preserving the natural appearance.
Wenwen Wang   +7 more
wiley   +1 more source

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