Results 71 to 80 of about 8,938 (232)
Mullite-2c – a natural polytype of mullite
A single crystal (∼ 20 µm × 20 µm × 330 µm) of mullite-2c, a natural polytype of mullite, was separated from a radially grown cluster of acicular crystals from Ettringer Bellerberg (Quarternary Eifel volcanic fields, Germany).
Lenz, Stephan +4 more
openaire +2 more sources
Effect of particle size on the pore characterization and strength of porous cordierite-mullite ceramics prepared by a pore-forming in-situ technique [PDF]
The porous cordierite-mullite ceramics were prepared by the pore-forming in-situ technique. The characterizations of porous cordierite-mullite ceramics were determined by an X-ray diffractometer (XRD), a scanning electron microscopy (SEM), and a ...
Yan W., Li N., Tong J., Liu G., Xu J.
doaj +1 more source
ABSTRACT Coal pyrolysis, as a key thermochemical conversion process, is significantly influenced by inherent minerals, yet their role across different coal ranks remains inadequately understood. This study investigates the effect of acid‐washing (demineralization) on the thermal decomposition of six functional groups (aliphatic C–H, aromatic C–H/C=C, C=
Zhiyuan Niu +4 more
wiley +1 more source
The graphical abstract illustrates a circular waste to value pathway in which coal fly ash is upgraded by isolating unburned carbon and converting it into functional carbon materials. Through carbonization and activation, UC‐derived carbon is transformed into high surface area electrodes for supercapacitors, supporting sustainable energy storage and ...
Thapelo Manyepedza, Moses T. Kabomo
wiley +1 more source
Product Scope and Reactivity in Hydrothermal Conversion of Polyethylene With Solid Catalysts
The addition of solid catalysts to the hydrothermal conversion of polyethylene increases the conversion and promotes the formation of naphtha‐like compounds when using CeO2, and aromatic compounds when using aluminosilicates. The reusability of these catalyst materials was demonstrated as they retained catalytic activity upon reuse.
Johan H. van de Minkelis +5 more
wiley +1 more source
http://dx.doi.org/10.5028/jatm.v5i4.273 Mullite is an excellent structural material due to its high temperature stability, high electrical insulation capabilities and creep resistance.
Flaviano Willians Fernandes +5 more
doaj
Processing–Property Mapping of Flash‐Sintered Wall Tile Bodies
ABSTRACT This study investigates the effects of furnace temperature (900°C and 945°C), applied electric field (50–200 V.cm−1), and current density (50–150 mA.mm−2) on the physical properties and microstructure of flash‐sintered wall tile bodies. Water absorption, bulk density, and open porosity were measured and compared with an industrially fired ...
Zeynep Çetinkaya +4 more
wiley +1 more source
A three-dimensional mullite-whiskers network ceramic with ultra-light weight and high-strength was obtained by the foaming gel-casting method with active mulllite powders and NH4F.
Mengmeng Yang +5 more
doaj +1 more source
Thermodynamic properties of aluminum titanate‐mullite composite ceramics containing heat stabilizer [PDF]
Xuehui Huang, Xinke Yang, Xuefang Wang
openalex +1 more source
A mulita tem se tornado um material forte candidato para uso como cerâmica avançada e funcional. Nesse sentido, muito interesse tem sido devotado no estudo de aditivos de sinterização.
P. M. Souto +2 more
doaj +1 more source

