Formation of hierarchical Si3N4 foams by protein-based gelcasting and chemical vapor infiltration
Silicon nitride foams with a hierarchical porous structure was formed by the combination of protein-based gelcasting, chemical vapor infiltration, and in-situ growth of silicon nitride nanowires.
Junsheng Li +4 more
doaj +1 more source
Vacuum balloon -- a 350-year-old dream
The centuries-old idea of a lighter-than-air vacuum balloon has not materialized yet as such structure needs to be both light enough to float in the air and strong enough to withstand atmospheric pressure.
Akhmeteli, Andrey, Gavrilin, Andrew V.
core +1 more source
Chemo-Rheological Behavior of Aqueous Titanium Carbide Suspension and Evaluation of the Gelcasted Green Body Properties [PDF]
Gel-casting is an advanced colloidal processing method for fabricating ceramic green parts. In this project acrylamide-based monomers were used as a gelcasting system.
Hamze Foratirad +2 more
doaj +1 more source
HfB2-SiC-MoSi2 oxidation resistance coating fabricated through in-situ synthesis for SiC coated C/C composites [PDF]
A brand new HfB2-SiC-MoSi2 coating was fabricated to protect carbon/carbon (C/C) composites with inner SiC coating from oxidation, which was prepared by in-situ synthesis.
Hou, Xianghui +5 more
core +2 more sources
Gelcasting of Alumina with Application of New Monomer Synthesised from Xylitol
Podążając za trendem „zielonej chemii", zakładającym m.in. wykorzystywanie nietoksycznych i odnawialnych surowców w technologii, zaprojektowano i zsyntezowano nowy monomer przeznaczony do zastosowania w procesie odlewania żelowego.
Szudarska A. +3 more
doaj +1 more source
Influence of the acrylamide-based monomer on the sintering of ceramics shaped by gelcasting
Alumina ceramics were prepared by gelcasting, based on an in-situ polymerization that promotes the formation of homogeneous green ceramic parts and allows the preparation of complex shapes and/or large-size ceramics.
Laurie Gaüzère +5 more
doaj +1 more source
Freeform Fabrication of Ionomeric Polymer-Metal Composite Actuators [PDF]
Ionomeric polymer-metal composite (IPMC) actuators are a type of soft electromechanically active material which offers large displacement, rapid motion with only ~1V stimulus.
Lipson, Hod, Malone, Evan
core +3 more sources
Thermal stability of hollow YSZ microspheres and processing of their porous materials
Hollow yttria-stabilized zirconia (YSZ) microspheres with a diameter of 1.2–5.1 μm and a wall thickness of about 125 nm were synthesized, and their thermal stability was revealed for a hold time of 1 h at temperatures of 800°C, 1000°C and 1200°C.
Qi Guo, Yufu Liu
doaj +1 more source
Bioactive glass-ceramic scaffolds from novel 'inorganic gel casting' and sinter-crystallization [PDF]
Highly porous wollastonite-diopside glass-ceramics have been successfully obtained by a new gel-casting technique. The gelation of an aqueous slurry of glass powders was not achieved according to the polymerization of an organic monomer, but as the ...
Bernardo, Enrico +5 more
core +2 more sources
Espumas vítreas do sistema Li2O-ZrO2-SiO2-Al2O 3 (LZSA) foram produzidas pelo processo gelcasting, associado à aeração de suspensões cerâmicas, sem controle atmosférico. Por meio da adição de diferentes concentrações de agente espumante (Fongraminox) foi
E. de Sousa +4 more
doaj +1 more source

