Articles with "sio2 zro2" as a keyword



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Mechanical and microwave absorption properties of SiCf/SiC–Al4C3 composite with EPD-SiO2/ZrO2 interphase prepared by precursor infiltration and active filler-controlled pyrolysis method

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Published in 2020 at "Ceramics International"

DOI: 10.1016/j.ceramint.2020.01.285

Abstract: Abstract The SiO2/ZrO2 interphase was successfully prepared on SiC fibers by electrophoretic deposition (EPD) method and SiCf/SiC–Al4C3 composites were fabricated by precursor infiltration and active filler-controlled pyrolysis process using mixed PCS and aluminum fillers as… read more here.

Keywords: sicf sic; sio2 zro2; zro2 interphase; sic al4c3 ... See more keywords
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Development of an acetylacetonate-modified silica-zirconia composite membrane applicable to gas separation

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Published in 2020 at "Journal of Membrane Science"

DOI: 10.1016/j.memsci.2020.117844

Abstract: Abstract In this work, an acetylacetonate-modified equimolar SiO2–ZrO2 composite-derived membrane with molecular sieving properties was successfully fabricated. The sol-gel method was successfully employed to chemically modify zirconium tetrabutoxide prior to co-hydrolysis and -condensation with tetraethoxysilane,… read more here.

Keywords: gas separation; permeance; membrane; acetylacetonate modified ... See more keywords
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Low-Temperature Photothermal Catalytic Oxidation of Toluene on a Core/Shell SiO2@Pt@ZrO2 Nanostructure

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Published in 2019 at "Industrial & Engineering Chemistry Research"

DOI: 10.1021/acs.iecr.9b02850

Abstract: High-efficiency, low-temperature, durable catalysts are regarded as promising tools for oxidizing volatile organic compounds (VOCs). In this study, we design an alternative core/shell structure with inert porous SiO2 nanoparticles decorated with Pt nanoparticles as the… read more here.

Keywords: oxidation; shell sio2; shell; low temperature ... See more keywords
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Aminosilane-Grafted SiO2–ZrO2 Polymer Hollow Fibers as Bifunctional Microfluidic Reactor for Tandem Reaction of Glucose and Fructose to 5-Hydroxymethylfurfural

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Published in 2018 at "ACS Sustainable Chemistry & Engineering"

DOI: 10.1021/acssuschemeng.8b04555

Abstract: In this study, we demonstrate the concept of tandem reaction for glucose and fructose to 5-hydroxymethylfurfural (HMF) in an aminosilane-grafted SiO2–ZrO2 polyamide–imide hollow fiber that acts as a bifunctional heterogeneous catalyst and microfluidic reactor. The… read more here.

Keywords: microfluidic reactor; aminosilane; hollow fibers; reaction ... See more keywords
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Corrosion inhibition properties of SiO2-ZrO2 nanocomposite coating on carbon steel 178

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Published in 2017 at "Anti-corrosion Methods and Materials"

DOI: 10.1108/acmm-12-2015-1618

Abstract: Purpose SiO2 and SiO2-ZrO2 nanocomposites were coated by sol–gel dipping method on carbon steel 178 (178 CS). Nanostructure and phase properties of nanocomposite coating were characterized using X-ray diffraction, scanning electron microscopy and Fourier transform… read more here.

Keywords: sio2; zro2 nanocomposite; corrosion; nanocomposite coating ... See more keywords
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Preparation and properties of Tm-doped SiO2-ZrO2 phase separated optical fibers for use in fiber lasers

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Published in 2020 at "Optical Materials Express"

DOI: 10.1364/ome.394068

Abstract: Zirconium oxide (ZrO2) is a perspective co-dopant of rare-earth ions in silica fibers for use in fiber lasers. ZrO2 nanoparticles increase the solubility of rare-earth ions and enhance their luminescence properties. In this paper, we… read more here.

Keywords: fibers use; fiber lasers; zro2; doped sio2 ... See more keywords

Peculiarities of the Phase Formation during Electroconsolidation of Al2O3–SiO2–ZrO2 Powders Mixtures

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Published in 2022 at "Materials"

DOI: 10.3390/ma15176073

Abstract: This paper is devoted to the sintering process of Al2O3–SiO2–ZrO2 ceramics. The studied method was electroconsolidation with directly applied electric current. This method provides substantial improvements to the mechanical properties of the sintered samples compared… read more here.

Keywords: electroconsolidation; peculiarities phase; sio2 zro2; phase ... See more keywords
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Hydrothermal Stability of Hydrogen-Selective Carbon–Ceramic Membranes Derived from Polybenzoxazine-Modified Silica–Zirconia

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Published in 2022 at "Membranes"

DOI: 10.3390/membranes13010030

Abstract: This work investigated the long-term hydrothermal performance of composite carbon-SiO2-ZrO2 membranes. A carbon-SiO2-ZrO2 composite was formed from the inert pyrolysis of SiO2-ZrO2-polybenzoxazine resin. The carbon-SiO2-ZrO2 composites prepared at 550 and 750 °C had different surface… read more here.

Keywords: sio2 zro2; membrane fabricated; carbon; carbon sio2 ... See more keywords