AlF3-assisted flux growth of mullite whiskers and their application in fabrication of porous mullite-alumina monoliths [PDF]
Open Ceramics, 2021 Mullite is a promising material with its competitive thermochemical and mechanical properties. Although mullite could be obtained by several synthesis methods, the flux method emerges with its advantages over other methods.
Amanmyrat Abdullayev +4 more
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Journal of Materials Research and Technology, 2022 Preparation of mullite from high-alumina coal fly ash (CFA) has become one of the most important ways for high-value utilization. However, low Al2O3/SiO2 ratio, poor reaction activity and various impurities in fly ash led to poor quality of mullite ...
Jian-ming Gao +4 more
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Preparation of mullite whiskers reinforced SiC/Al2O3 composites by microwave sintering [PDF]
Processing and Application of Ceramics, 2016 Mullite whiskers reinforced SiC/Al2O3 composites were prepared by microwave sintering in a microwave chamber with TE666 resonant mode. Original SiC particles were coated with SiO2 using sol-gel processing and mixed with Al2O3 particles.
Wei Li +4 more
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Fabrication and characterization of porous mullite ceramics derived from fluoride-assisted Metakaolin-Al(OH)3 annealing for filtration applications [PDF]
Open Ceramics, 2022 In this work, polycrystalline mullite whiskers are synthesized by fluoride-assisted method from metakaolin and several aluminum-containing compounds such as γ-Al(OH)3, AlF3·3H2O, and α-Al2O3 (corundum).
Amanmyrat Abdullayev +8 more
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Growth control of whiskers on the surface of alumina fibers
Nantong Daxue xuebao. Ziran kexue banAlumina(Al_2O3) fiber-based composite materials are widely utilized as thermal insulation materials in the aerospace industry. However, the weak interface bonding between Al_2O3 fibers and the composite matrix significantly affects the fiber ...
ZHU Yunan; MA Xiaodong; MA Xiaomin; ZHANG Wei; LIU Rong
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Journal of Materials Research and TechnologyCatalyzed by MoO3, mullite whiskers were synthesized through a molten salt method. This study comprehensively explored the impact of reaction temperature, MoO3 mass fraction, and calcination temperature on the morphology of mullite whiskers.
Xiaohua Gu +7 more
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Analysis of Factors Affecting the Preparation of Mullite Whiskers from Silica-Rich Slag and Application Studies. [PDF]
Materials (Basel), 2023 This paper presents an in-depth comparative study of the effects of different molten salt systems, catalyst additions, preparation temperatures, temperature rise rates, and holding times on the properties of mullite whiskers during their preparation ...
Zhu S, Gu X, Liu S, Liu Y.
europepmc +2 more sources
Pressure Field Assisted Polycondensation Nonaqueous Precipitation Synthesis of Mullite Whiskers and Their Application as Epoxy Resin Reinforcement. [PDF]
Polymers (Basel), 2019 Mullite whiskers were novelty prepared via pressure field assisted polycondensation nonaqueous precipitation method. The precipitate phase transition in heating process, phase compositions and microstructure of samples calcined at different temperatures,
Feng G +9 more
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Rice hull-derived silica: applications in Portland cement and mullite whiskers
Materials Research, 2000 Silica was extracted from rice hulls by three processing routes, starting with acid treatment followed by burning and milling. The amorphous white silica powder showed a surface area of 260 to 480 m²/g, purity above 99% and average particle size of 2.0 ...
Souza M.F. de +4 more
doaj +1 more source
Effect of Urchin-Like Mullite Whiskers on the High-Temperature Performance of Porous SiO₂-Based Ceramic Molds. [PDF]
Materials (Basel), 2019 Urchin-like mullite whiskers synthesized by the vapor–liquid–solid growth method were used to improve the high-temperature performance of porous gelcast SiO2-based ceramic molds.
Chen Y, Lu Z, Wan W, Li J, Miao K, Li D.
europepmc +2 more sources