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Study of sol-gel processing for fabrication of low density alumina microspheres
Date
2002-07-01
Author
Dilsiz, N
Akovali, G
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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A sol-gel process for producing microspheres of low density alumina has been developed. A Dispal alumina sol and aluminum monohydrate were used as starting materials. Microspheres with spherical shape and controllable size have been produced by using a drop generation technique, The technique consists of producing a continuous stream Of uniform droplets of alumina sol and then converting the drops into a rigid form by exposing them to an ammonium hydroxide gelation medium. By using this technique. alumina spheres with surface area 351 m(2)g(-1) and pore size 10.7 Adegrees have been prepared.
Subject Keywords
Low density alumina
,
Sol-gel processing
,
Microspheres
URI
https://hdl.handle.net/11511/65618
Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
DOI
https://doi.org/10.1016/s0921-5093(01)01726-9
Collections
Department of Chemistry, Article