Journal
JOURNAL OF ELECTROSTATICS
Volume 50, Issue 4, Pages 249-263Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0304-3886(00)00039-5
Keywords
atomization; ceramic suspension; droplet size; spray current; thin film; electrospray; ceramic coating
Categories
Ask authors/readers for more resources
An electrostatic atomization technique has been developed to generate ultra-fine spray of ZrO2 and SiC ceramic suspensions in a range of 4-5 mum with a narrow size distribution (1-9 mum). The aim of this work is to generate fine spray of ceramic suspensions for the preparation of uniform thin films of these ceramic materials on substrates. Thin-film formation using electrostatic atomization process allows one to tightly control the process while meeting the economics in comparison with some other competing process technologies such as chemical vapour deposition, physical vapour deposition and plasma spray, etc. Preliminary results have shown that for low through put atomization, the cone-jet is the most suitable method to produce a fine charged aerosol with a narrow size distribution. It was found that the droplet size of the spray is in the range of a few micrometers with a narrow size distribution and that droplet size and spray current obey theoretical prediction of scaling law. As prepared ZrO2 and SiC thin films were observed to be homogenous with a particle size of less than 10 mum. (C) 2001 Elsevier Science B.V. All rights reserved.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available