Wetting and joining of porous Si3N4 and dense Si3N4 ceramics with in-situ formed β-spodumene/spinel glass-ceramic interlayer
Sign Up to like & getrecommendations! 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… read more here.
Keywords: si3n4; dense si3n4; microscopy; glass ceramic ... See more keywords
Fabrication and mechanical properties of porous Si3N4 ceramics prepared via SHS
Sign Up to like & getrecommendations! Published in 2019 at "Ceramics International"
DOI: 10.1016/j.ceramint.2019.04.218
Abstract: Abstract Porous silicon nitride ceramics were directly prepared by self-propagating high temperature synthesis (SHS). The effects of Si 3 N 4 diluent and Y 2 O 3 sintering additive on the phase composition and microstructure… read more here.
Keywords: fabrication; mechanical properties; si3n4 ceramics; properties porous ... See more keywords
Fabrication, mechanical properties and thermal shock resistance of a dense SiC NWs/α-Si3N4 composite coating for protecting porous Si3N4 ceramics
Sign Up to like & getrecommendations! 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… read more here.
Keywords: sic nws; thermal shock; si3n4; porous si3n4 ... See more keywords
Microstructure, mechanical properties and sintering mechanism of pressureless-sintered porous Si3N4 ceramics with YbF3-MgF2 composite sintering aids
Sign Up to like & getrecommendations! 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… read more here.
Keywords: si3n4; sintering aids; mechanical properties; ybf3 mgf2 ... See more keywords
Synthesis of self-toughness porous Si3N4 ceramics with three-dimensional cage structures
Sign Up to like & getrecommendations! Published in 2020 at "Materials Letters"
DOI: 10.1016/j.matlet.2020.127651
Abstract: Abstract Self-toughness porous Si3N4 ceramics are prepared by surface modification of Si3N4 particles. The as-fabricated porous Si3N4 ceramics have high number of three-dimensional cage structures that can cause the crack deflection, absorb the fracture stress… read more here.
Keywords: si3n4; three dimensional; dimensional cage; cage structures ... See more keywords
A novel route for the fabrication of porous Si3N4 ceramics with unidirectionally aligned channels
Sign Up to like & getrecommendations! Published in 2020 at "Materials Letters"
DOI: 10.1016/j.matlet.2020.128264
Abstract: Abstract TBA-based freeze-drying and combustion synthesis (CS) are firstly combined to fabricate porous Si3N4 ceramics with controllably unidirectional channels. Uniformly unidirectional channels with variable pore diameters were successfully formed through unidirectional growth of ice. In… read more here.
Keywords: si3n4; fabrication porous; novel route; route fabrication ... See more keywords
Increased microwave absorption property of porous Si3N4 ceramic by loading polymer-derived SiCN for multifunctional design
Sign Up to like & getrecommendations! Published in 2023 at "Journal of Materials Chemistry C"
DOI: 10.1039/d3tc00834g
Abstract: Ceramic materials with wave-transparent in-band and stealth out-off-band are rather urgent in aerospace field. Porous Si3N4 ceramic, a wave-transparent material used to produce radome or antenna window, is considered to... read more here.
Keywords: absorption property; property porous; porous si3n4; si3n4 ceramic ... See more keywords
Effect of TiO2 addition on the microstructures, mechanical and dielectric properties of porous Si3N4-based ceramics
Sign Up to like & getrecommendations! Published in 2017 at "Advances in Applied Ceramics"
DOI: 10.1080/17436753.2017.1320063
Abstract: ABSTRACT Porous Si3N4-based ceramics with different TiO2 contents were prepared by gas pressure sintering method. The effects of TiO2 addition ranging from 0 to 25 wt-% on the phase compositions, microstructures, mechanical performance and dielectric properties… read more here.
Keywords: addition; tio2 addition; based ceramics; si3n4 based ... See more keywords