Material removal mechanism and grinding force modelling of ultrasonic vibration assisted grinding for SiC ceramics
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DOI: 10.1016/j.ceramint.2016.11.066
Abstract: Abstract In this paper, a varied-depth nano-scratch test of single grain is carried out on a nano indentation system. The critical depth of the elastic-plastic transition for SiC ceramics is 7.27 nm, as calculated by Hertz… read more here.
Keywords: sic ceramics; assisted grinding; ultrasonic vibration; grinding force ... See more keywords
Highly resistive SiC ceramics sintered with Al2O3-AlN-Y2O3 additions
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DOI: 10.1016/j.ceramint.2017.01.058
Abstract: Abstract A polycrystalline SiC ceramic prepared by pressureless sintering of α-SiC powders with 3 vol% Al 2 O 3 -AlN-Y 2 O 3 additives in an argon atmosphere exhibited a high electrical resistivity of ~10 13… read more here.
Keywords: sic ceramics; resistive sic; microscopy; highly resistive ... See more keywords
Effect of SiC addition on mechanical properties of hot-pressed Al2O3-GdAlO3 ceramics with eutectic composition
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DOI: 10.1016/j.ceramint.2018.02.182
Abstract: Abstract In the present work, Al 2 O 3 -GdAlO 3 oxide nanopowders with eutectic composition of 77:23 (in molar ratio) were prepared via a chemical co-precipitation method. α-SiC particles were then incorporated with different… read more here.
Keywords: sic ceramics; gdalo sic; hot pressed; eutectic composition ... See more keywords
Effect of ZrB2 powders on densification, microstructure, mechanical properties and thermal conductivity of ZrB2-SiC ceramics
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DOI: 10.1016/j.ceramint.2021.02.158
Abstract: Abstract With the view to improve the densification behaviour and mechanical properties of ZrB2-SiC ceramics, three synthesis routes were investigated for the production of ZrB2, prior to the fabrication of ZrB2-20 vol. % SiC via… read more here.
Keywords: mechanical properties; zrb2; zrb2 sic; thermal conductivity ... See more keywords
Fabrication, characterization and thermal-insulation modeling of foamed mullite-SiC ceramics
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DOI: 10.1016/j.jallcom.2020.154523
Abstract: Abstract Foamed mullite-SiC ceramics were prepared by using white clay, industrial alumina and silicon powder as raw materials. The effects of the clay content on the phase composition, microstructure and thermal properties of foamed ceramics… read more here.
Keywords: sic ceramics; mullite sic; foamed mullite; clay content ... See more keywords
Preparation and properties of situ-sintered SiC ceramics aided by ZnO-Al2O3-CaO
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DOI: 10.1016/j.jallcom.2021.161854
Abstract: Abstract The safe treatment and disposal of radioactive graphite waste is becoming an important issue worldwide. The objective of this paper is to prepare the SiC-ZAC (ZAC: ZnO-Al2O3-CaO) composite ceramic for immobilizing radioactive graphite, where… read more here.
Keywords: al2o3 cao; sic ceramics; zno al2o3;
Strong effect of atmosphere on the microstructure and microwave absorption properties of porous SiC ceramics
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DOI: 10.1016/j.jeurceramsoc.2017.07.034
Abstract: Abstract Excellent microwave absorption properties of porous SiC ceramics were successfully synthesized using SiC/camphene slurries with various polycarbosilane (PCS) contents related to the SiC powder. The compositions of the nanowires (NWs) growth in the pore… read more here.
Keywords: properties porous; sic ceramics; porous sic; absorption properties ... See more keywords
Effect of technological parameters on densification of reaction bonded Si/SiC ceramics
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DOI: 10.1016/j.jeurceramsoc.2018.07.014
Abstract: Abstract Si/SiC composite ceramics was produced by reaction sintering method in process of molten silicon infiltration into porous C/SiC preform fabricated by powder injection molding followed by impregnation with phenolic resin and carbonization. To optimize… read more here.
Keywords: sic ceramics; effect technological; technological parameters; reaction ... See more keywords
Revealing correlation of core‒rim structures, defects and stacking-faults in SiC ceramics by integrated scanning electron microscopy
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DOI: 10.1016/j.jeurceramsoc.2020.09.019
Abstract: Abstract Dopant distribution is key to understand sintering behavior and microstructure‒property relationship of silicon carbide (SiC) ceramics. Using high-angle secondary-electron (SE) imaging in scanning electron microscope combining elemental and cathodoluminescence (CL) analysis, core‒rim structures were… read more here.
Keywords: sic ceramics; rim structures; core rim; microscopy ... See more keywords
Effect of pyrolysis temperature on the microstructure and thermal conductivity of polymer-derived monolithic and porous SiC ceramics
Sign Up to like & getrecommendations! Published in 2021 at "Journal of The European Ceramic Society"
DOI: 10.1016/j.jeurceramsoc.2020.09.028
Abstract: Abstract The present work investigates the influence of pyrolysis temperature on the microstructure and thermal conductivity ( λ ) of polymer-derived SiC ceramics. For the study, both monolithic thin ceramic disks and highly porous reticulated… read more here.
Keywords: sic ceramics; pyrolysis; pyrolysis temperature; polymer derived ... See more keywords
Thermal conductivity of spark plasma sintered SiC ceramics with Alumina and Yttria
Sign Up to like & getrecommendations! Published in 2020 at "Journal of The European Ceramic Society"
DOI: 10.1016/j.jeurceramsoc.2020.12.020
Abstract: Abstract In this study, dense SiC ceramics were fabricated at 1650-1750 °C for 10-60 min by spark plasma sintering (SPS) using 3-10 wt.% Al2O3-Y2O3 as sintering additives. Effects of sintering temperature, sintering additive content and holding time on… read more here.
Keywords: sic ceramics; spark plasma; thermal conductivity; conductivity ... See more keywords