Results 1 to 10 of about 19,814 (230)

Preparation of hollow fiber membranes from mullite particles with aid of sintering additives

Journal of Advanced Ceramics, 2020
Porous mullite hollow fiber membranes were prepared with a combined phase-inversion and sintering method, using three sintering additives including yttrium stabilized zirconia (YSZ), small mullite particles (SMP), and titanium oxide (TiO2) to promote the
Hua Liu, Jinyun Liu, Zhou Hong, Shengxian Wang, Xuechao Gao, Xuehong Gu   +5 more
doaj   +2 more sources

Synthesis of 3:2 mullite ceramics from silica-enriched filter cake waste via diphasic gels method [PDF]

Scientific Reports
Mullite ceramics were synthesized from filter cake waste following the diphasic gel method. Filter cake waste, with over 65% silica content, and aluminum nitrate nonahydrate were utilized as the sources of silica and alumina, respectively.
Ermias Abebe Negash, Getinet Asrat Mengesha, Belay Brehane Tesfamariam, Tamirat Addis, Yeabsira Sisay Mekuriya, Sena Tadesse Beyene   +5 more
doaj   +2 more sources

Mechanical properties and thermal stability of carbon fiber cloth reinforced sol-derived mullite composites

Journal of Advanced Ceramics, 2019
For the wide application as thermal protection materials, it is very necessary for mullite ceramics to improve fracture toughness. In this paper, the laminated and stitched carbon fiber cloth preform reinforced mullite (C/mullite) composites were ...
Wei Zhang, Qingsong Ma, Kuanhong Zeng, Songlin Liang, Weiguo Mao   +4 more
doaj   +3 more sources

Corrosion behavior and failure mechanism of SiC whisker and c-AlPO4 particle-modified novel tri-layer Yb2Si2O7/mullite/SiC coating in burner rig tests

Journal of Advanced Ceramics, 2022
The corrosion behavior of environmental barrier coatings (EBCs) directly affects the service life and stability of ceramic matrix composite (CMC) structural parts in the aero-engines. The silicon carbide (SiC) whisker toughening phase and c-AlPO4 bonding
Pengju Chen, Peng Xiao, Xian Tang, Yang Li   +3 more
doaj   +2 more sources

Synthesis and characterization of ceramic refractories based on industrial wastes [PDF]

Scientific Reports
The possibility of reusing ceramic roller waste to produce cordierite and mullite refractories was investigated. Five batches were designed using wastes representing ceramic roller waste, magnesite, and silica sand, shaped and fired at 1300 °C/2 h, and ...
G. A. Khater, M. Romero, A. López-Delgado, I. Padilla, A. A. El-Kheshen, M. M. Farag, M. S. Elmaghraby, N. H. S. Nasralla   +7 more
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Effect of Silicon Addition on High-Temperature Solid Particle Erosion-Wear Behaviour of Mullite-SiC Composite Refractories Prepared by Nitriding Reactive

Advances in Materials Science and Engineering, 2014
Solid particle erosion-wear experiments on as-prepared mullite-SiC composite refractories by nitriding reactive sintering were performed at elevated temperatures, using sharp black SiC abrasive particles at an impact speed of 50 m/s and the impact angle ...
Xiaochao Li, Shusen Chen, Zhaohui Huang, Minghao Fang, Yan’gai Liu, Xiaowen Wu, Juntong Huang, Baolin Liu   +7 more
doaj   +2 more sources

Heat insulating properties of mullite hollow fibers prepared by using the template of reed fibers

Open Ceramics, 2023
Mullite fibers have a wide range of applications in thermal insulation. Currently, most mullite fibers produced have solid structures, limiting their heat-insulating properties.
Yuwei Gu, Huilai Li, Tianchi Wang, Jian Kong   +3 more
doaj   +1 more source

Fabrication and characterization of porous mullite ceramics derived from fluoride-assisted Metakaolin-Al(OH)3 annealing for filtration applications

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, Celal Avcioglu, Tobias Fey, André Hilger, Markus Osenberg, Ingo Manke, Laura M. Henning, Aleksander Gurlo, Maged F. Bekheet   +8 more
doaj   +1 more source

AlF3-assisted flux growth of mullite whiskers and their application in fabrication of porous mullite-alumina monoliths

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, Detlef Klimm, Franz Kamutzki, Aleksander Gurlo, Maged F. Bekheet   +4 more
doaj   +1 more source

The Influence of Mullite Shape and Amount on the Tribological Properties of Non-Asbestos Brake Friction Composites

Lubricants, 2022
For investigating the effect of mullite as a reinforced fiber of the non-asbestos brake friction material on the performance of brake pads, mullite reinforced composites with different contents (5% and 10%) and shapes (powder-based and fiber-based) were ...
Nan Wang, Zixin Yin
doaj   +1 more source