Modification of the structural, textural, and mechanical properties of an Al{sub 2}O{sub 3}/Al composite on the addition of an Al-SBA-15-type mesoporous phase

The formation of the pore structure of metal–ceramic materials based on Al{sub 2}O{sub 3}/Al composites has been studied in detail by modifying them via the incorporation of SBA-15-type mesoporous materials. The composition, pore structure, pore size, and morphology of the composite particles have b...

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Published inInorganic materials Vol. 53; no. 12
Main Authors Tikhov, S. F., Mel’gunova, E. A., Mel’gunov, M. S., Bespalko, Yu. N., Valeev, K. R., Shmakov, A. N., Sadykov, V. A., Romanenkov, V. E., Petyushik, E. E., Evtukhova, T. A.
Format Journal Article
LanguageEnglish
Published United States 15.12.2017
Subjects
ADSORPTION
ADSORPTION ISOTHERMS
ALUMINIUM
ALUMINIUM OXIDES
CERAMICS
DESORPTION
HYDROTHERMAL SYNTHESIS
MATERIALS SCIENCE
MATRIX MATERIALS
MECHANICAL PROPERTIES
MORPHOLOGY
NANOSTRUCTURES
NITROGEN
PORE STRUCTURE
SCANNING ELECTRON MICROSCOPY
X-RAY DIFFRACTION
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Summary:The formation of the pore structure of metal–ceramic materials based on Al{sub 2}O{sub 3}/Al composites has been studied in detail by modifying them via the incorporation of SBA-15-type mesoporous materials. The composition, pore structure, pore size, and morphology of the composite particles have been studied using nitrogen adsorption/desorption isotherms, scanning electron microscopy, and X-ray diffraction. We have produced Al-SBA-15/Al{sub 2}O{sub 3}/Al monoliths that combine properties of both adsorbents and permeable materials, but the incorporation of Al-SBA-15 into an Al{sub 2}O{sub 3}/Al matrix reduces the permeability and mechanical strength of the composites.
ISSN:0020-1685
1608-3172
DOI:10.1134/S0020168517120172