Results 41 to 50 of about 8,938 (232)

Effect of Al(OH)3 addition on densification mechanism and properties of reaction-sintered mullite-corundum composite ceramics

open access: yesJournal of Asian Ceramic Societies, 2022
Mullite composite ceramics were fabricated by using mullite powder from waste coal gangue and Al(OH)3 as starting materials. The effects of sintering temperature and Al(OH)3 content on phase composition, microstructure, and mechanical properties of the ...
Zhenying Liu   +7 more
doaj   +1 more source

Performance and purification mechanism of the mullite/SiC composite filter tube membrane [PDF]

open access: yesProcessing and Application of Ceramics, 2023
Asymmetric composite tubular membranes were prepared with SiC as the support body and mullite as the membrane layer. The asymmetric mullite/SiC composite filter tube membranes were characterized by different analytic techniques.
Yuan Zhangfu   +5 more
doaj   +1 more source

Synthesis of porous ceramic with well-developed mullite whiskers in system of Al2O3-Kaolin-MoO3

open access: yesJournal of Materials Research and Technology, 2021
Porous ceramics have the advantages of low density, low thermal conductivity, and excellent mechanical properties. One of the scalable methods for manufacturing porous ceramics is the replica method, which provides the advantage of high porosity and the ...
Cheol Shin   +6 more
doaj   +1 more source

The Effect of Mullite Addition on Wear Properties of SiO2 Doped ZrO2 Ceramics

open access: yesCumhuriyet Science Journal, 2022
Mullite (3Al2O3.2SiO2) and 10 mol% silica added zirconia (10 mol% SiO2 - 90 mol% ZrO2) ceramic powders were synthesized by conventional ceramic processing route. The mixtures were prepared by mechanical alloying method using zirconia ball mill in acetone
Mehmet Akif Hafızoğlu   +2 more
doaj   +1 more source

A Study on the Wear Behaviour of Monolithic Mullite Materials for Dental Applications

open access: yesThe Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, 2021
The aim of this study is to evaluate the potential use of the monolithic mullite samples for the dental applications. For this purpose, at first the monolithic mullite samples obtained by the powder metallurgy method have been characterized by the ...
Perent GÜLER   +3 more
doaj   +1 more source

Mullite-silica scaffolds obtained by stereolithography and reaction sintering

open access: yesOpen Ceramics, 2023
Mullite is a widely used refractory ceramic due to its good properties and high temperature stability. The necessity to obtain complex mullite architectures has encouraged the development of new AM techniques with improved resolution and surface ...
E. Rosado, R. Moreno
doaj   +1 more source

Corrosion resistance mechanism of postmortem corundum-mullite refractories used in hot stoves

open access: yesJournal of Asian Ceramic Societies, 2022
Alkali attack of aluminosilicate refractories has been a long-term problem in the industry. In this paper, XRD, SEM, and CT scanning methods were used to analyze the phase and structure characteristics of postmortem corundum-mullite refractory used in ...
Xiu-Hua Zhang   +5 more
doaj   +1 more source

Preparation of Mullite Fiber Reinforced Mullite Composites

open access: yesIOP Conference Series: Materials Science and Engineering, 2019
Abstract In this paper, mullite fiber reinforced mullite composites were prepared by stitched structural perform, the silica sol and alumina sol. In order to improve the compatibility of mullite fiber and silica sol matrix, interface coating was made by infiltration. The composites were prepared by the method of liquid phase infiltration,
Qiang Luan   +8 more
openaire   +1 more source

MULLITE AND ITS ISOMORPHIC SUBSTITUTION OVERVIEW

open access: yesКонденсированные среды и межфазные границы, 2018
The phase diagram of SiO2-Al2O3 is considered. The paper presents an overview of the methods of synthesising mullite, including the calcining of natural aluminosilicates, the Czochralski process (synthesising mullite from melt), the Verneuil process ...
Evgeniya G. Yarotskaya, Pavel P. Fedorov
doaj   +1 more source

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

open access: yesJournal 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   +3 more
doaj   +1 more source

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