Results 31 to 40 of about 26,993 (236)

Improving Strength and Microstructure of SiC Reticulated Porous Ceramic through In-Situ Generation of SiC Whiskers within Hollow Voids [PDF]

open access: yes, 2023
SiC Reticulated Porous Ceramic with Excellent Strength and High-Density Ceramic Struts Was Successfully Prepared using the Polymer Replica Method, Followed by Pressureless Sintering under a Buried Charcoal Atmosphere.
Chen, Ruoyu   +5 more
core   +2 more sources

Mullite Whiskers and Mullite-whisker Felt [PDF]

open access: yes, 1993
The Naval Surface Warfare Center has developed processes for the preparation of mullite (3(Al2O3)(dot)2(SiO2)) whiskers and mullite-whisker felt. Three patents on the technology were issued in 1990.
Haught, Deborah A., Talmy, Inna G.
core   +1 more source

Advanced Ceramics in Aerospace and Defense: The Interrelationship between Traditional and Additive Manufacturing Approaches

open access: yesAdvanced Materials Technologies, Volume 11, Issue 3, 5 February 2026.
Additive manufacturing revolutionizes production by enabling on‐demand, customized, and sustainable manufacturing with streamlined supply chains. While metal and polymer AM are well‐established, advanced ceramic AM is rapidly emerging, overcoming traditional material challenges.
Kateryna Oleksandrivna Shvydyuk   +2 more
wiley   +1 more source

Molybdenum oxide catalyzed low temperature preparation of mullite whisker from silica-alumina gel slag

open access: yesJournal of Materials Research and Technology
Catalyzed 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
doaj   +1 more source

Advances in Micro/Nanofiber‐Based Porous Materials for High‐Performance Thermal Insulation

open access: yesAdvanced Functional Materials, Volume 36, Issue 1, 2 January 2026.
Micro/nanofiber porous materials have engendered great interest in the thermal insulation field. Herein, the structural designs, fabrication techniques, and applications of the micro/nanofiber thermal insulation materials are systematically summarized.
Xiaobao Gong   +5 more
wiley   +1 more source

Growth control of whiskers on the surface of alumina fibers

open access: yesNantong Daxue xuebao. Ziran kexue ban
Alumina(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
doaj   +1 more source

Mechanical Properties of Mullite-SiC Whisker Composites

open access: yesJournal of the Ceramic Society of Japan, 1989
Mechanical properties of hot-pressed mullite-SiC whisker composites were studied in relation to the whisker content and chemical composition of matrix. Grain growth of mullite was suppressed by the existence of SiC whisker in the matrix, but the densification was not inhibited by the loading of whisker up to 30 vol%.
Takeshi KUMAZAWA   +3 more
openaire   +2 more sources

Mullite production by valorization of a hydrodesulphurization catalyst waste

open access: yesJournal of the American Ceramic Society, Volume 109, Issue 1, January 2026.
Due to its high alumina and silica content, Ni–Mo catalyst waste is a suitable, amorphous raw material for producing aluminosilicate phases. Thermal treatment of the waste at 1200°C for 30 min yields a material containing 50 wt.% mullite and exhibiting 96% overall crystallinity. The addition of amorphous silica significantly enhances mullite formation:
Rafael Carrizosa   +4 more
wiley   +1 more source

The interaction between Fe2O3‐bearing molten slag and MgO‐C refractory containing calcium magnesium aluminate antioxidant

open access: yesJournal of the American Ceramic Society, Volume 108, Issue 10, October 2025.
Abstract The interaction behavior between iron oxide‐bearing slags and carbon‐bonded MgO refractory (MgO‐C) containing calcium magnesium aluminate (CMA) was investigated at 1400°C, 1500°C, and 1600°C. After the iron oxide was reduced by the carbon from the MgO‐C refractory, a significant amount of MgO and metallic iron was observed to precipitate and ...
Xingwen Wei   +6 more
wiley   +1 more source

Preparação de mulita a partir do mineral topázio Preparation of mullite from topaz

open access: yesCerâmica, 2004
Mulita é o único composto termodinamicamente estável no sistema binário Al2O3 - SiO2, na faixa 70,5 a 74,0% em peso de Al2O3. Mulita metaestável na faixa de 74 a 83,6% de Al2O3, entretanto, pode ser obtida.
R. R. Monteiro   +2 more
doaj   +1 more source

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