Electrohydrodynamic forming of porous ceramic capsules from a preceramic polymer

R. Nangrejo, E. Bernado, P. Colombo, U. Farook, Zeeshan Ahmad, M. Edirisinghe, E. Stride

Research output: Contribution to journalArticlepeer-review

Abstract

Porous polymeric near-spherical capsules, ~ 3.6 mm in diameter, were prepared using an electrodydrodynamic process. These capsules were pyrolysed to porous ceramics, ~ 3 mm in diameter. The ceramic capsules had interconnected pores of ~ 1.3 μm in size, and large cells with a mean size of 28 μm. The larger pores resemble the cells in a typical ceramic foam and were evenly distributed throughout the structure. A large proportion of the ceramic capsules contained 65–70% porosity, and their compressive strength was 0.2–0.4 MPa.
Original languageEnglish
Pages (from-to)483-485
Number of pages3
JournalMaterials Letters
Volume63
Issue number3-4
DOIs
Publication statusPublished - 2009

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