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Published in 2017 at "Journal of Superconductivity and Novel Magnetism"
DOI: 10.1007/s10948-017-4142-1
Abstract: Structure and magnetic properties of FePd thin films substrate on the glass with Si3N4 to player have been investigated. The results suggested that ceramic Si3N4 component distributed around the FePd nanograins, which inhibits the growth…
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Keywords:
si3n4;
fepd thin;
fepd;
thin films ... See more keywords
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Published in 2021 at "Acta biomaterialia"
DOI: 10.1016/j.actbio.2021.03.023
Abstract: Previous studies using gram-positive and -negative bacteria demonstrated that hydrolysis of silicon nitride (Si3N4) in aqueous suspensions elutes nitrogen and produces gaseous ammonia while buffering pH. According to immunochemistry assays, fluorescence imaging, and in situ…
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Keywords:
si3n4;
si3n4 composites;
surface;
chemistry ... See more keywords
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Published in 2017 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2016.11.044
Abstract: Abstract Si3N4 ceramics parts surface morphology is related with surface friction and wear properties directly. Poor surface morphology will result in friction coefficient increases, strength decreases, and even lead to component failures. In order to…
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Keywords:
si3n4;
surface;
model;
surface morphology ... See more keywords
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Published in 2020 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2020.146178
Abstract: Abstract Efficient joining materials and techniques are of critical significance for the integration of ceramics in high performance structures. Porous Si3N4 has been successfully joined to dense Si3N4 by using a novel glass-ceramic based on…
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Keywords:
si3n4;
dense si3n4;
microscopy;
glass ceramic ... See more keywords
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Published in 2020 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2019.122880
Abstract: Abstract Si3N4 aerogel, which is one of the most promising materials for application as high-temperature thermal insulation, is synthesized by the urea-assisted sol-gel technique, followed by the supercritical drying, carbonization, carbothermal reduction and carbon combustion…
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Keywords:
si3n4;
si3n4 aerogel;
evolution;
surface ... See more keywords
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Published in 2017 at "Ceramics International"
DOI: 10.1016/j.ceramint.2016.11.084
Abstract: A powder mixture was prepared using α-phase-rich silicon nitride (Si3N4) as the major raw material, with 0.5 wt% Yb2O3 as the additive. These powders were fired at 1650–1800 °C for 0.5–2 h at a nitrogen…
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Keywords:
si3n4;
simple fabrication;
aspect ratio;
si3n4 seeds ... See more keywords
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Published in 2018 at "Ceramics International"
DOI: 10.1016/j.ceramint.2018.04.094
Abstract: Abstract Silicon nitride (Si3N4) nanowires were synthesised using H2-treated SiC fibres as raw materials and a graphite cylinder as the substrate at 1500 °C in N2 atmosphere. The nanowires were characterised by X-ray photoelectron spectroscopy, chemical…
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Keywords:
si3n4;
mechanism;
microscopy;
sic fibres ... See more keywords
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Published in 2018 at "Ceramics International"
DOI: 10.1016/j.ceramint.2018.08.078
Abstract: Abstract Novel polycrystal α-Si 3 N 4 submicron rods have been successfully prepared from amorphous Si 3 N 4 powders. As-synthesized submicron rods have oblate section, with the size of 110–150 nm in height, 150–300 nm in…
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Keywords:
si3n4;
mechanism;
microscopy;
submicron ... See more keywords
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Published in 2019 at "Ceramics International"
DOI: 10.1016/j.ceramint.2019.04.020
Abstract: Abstract The Si3N4 coating and Si3N4 coating with Si3N4 whiskers as reinforcement (Si3N4w-Si3N4) were prepared by chemical vapor deposition (CVD) on two-dimensional silicon nitride fiber reinforced silicon nitride ceramic matrix composites (2D Si3N4f/Si3N4 composites). The…
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Keywords:
microstructure mechanical;
mechanical properties;
si3n4;
si3n4f si3n4 ... See more keywords
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Published in 2019 at "Ceramics International"
DOI: 10.1016/j.ceramint.2019.08.020
Abstract: Abstract To prevent porous Si3N4 ceramics from absorbing moisture in practical application, a dense SiC NWs/α-Si3N4 composite coating was fabricated using the two-step technology involving slurry and liquid infiltration method. The results revealed that the…
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Keywords:
sic nws;
thermal shock;
si3n4;
porous si3n4 ... See more keywords
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Published in 2020 at "Ceramics International"
DOI: 10.1016/j.ceramint.2019.09.114
Abstract: Abstract Porous Si3N4 ceramics were fabricated by pressureless sintering at 1550 °C for 2 h with YbF3-MgF2 composite sintering aids, systematically investigated for the effect of sintering aids addition on the microstructure and mechanical properties, further explored…
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Keywords:
si3n4;
sintering aids;
mechanical properties;
ybf3 mgf2 ... See more keywords