A comparative study of production of glass microspheres by using thermal process

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Title: A comparative study of production of glass microspheres by using thermal process
Author(s): Lee, MY
Tan, J
Heng, JYY
Cheeseman, C
Item Type: Conference Paper
Abstract: Microspheres are spherical particles that can be distinguished into two categories; solid or hollow. Microspheres typical ranges from 1 to 200 μm in diameter. Microsphere are made from glass, ceramic, carbon or plastic depending on applications. Solid glass microsphere is manufactured by direct burning of glass powders while hollow glass microspheres is produced by adding blowing agent to glass powder. This paper presented the production of glass microspheres by using the vertical thermal flame (VTF) process. Pre-treated soda lime glass powder with particle sized range from 90 to 125μm was used in this work. The results showed that glass microspheres produced by two passes through the flame have a more spherical shape as compared with the single pass. Under the Scanning Electron Microscope (SEM), it is observed that there is a morphology changed from uneven surface of glass powders to smooth spherical surface particles. Qualitative analysis for density of the pre-burned and burned particles was performed. Burned particles floats in water while pre-burned particles sank indicated the change of density of the particles. Further improvements of the VTF process in terms of the VTF set-up are required to increase the transformation of glass powders to glass microspheres.
Publication Date: 9-Jun-2017
Date of Acceptance: 12-May-2017
URI: http://hdl.handle.net/10044/1/49814
DOI: https://dx.doi.org/10.1088/1757-899X/205/1/012022
ISSN: 1757-8981
Journal / Book Title: IOP Conference Series: Materials Science and Engineering
Volume: 205
Issue: 1
Copyright Statement: © 2017 The Authors. Published under licence by IOP Publishing Ltd. Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
Conference Name: The 2nd International Conference on Materials Engineering and Nanotechnology
Keywords: MD Multidisciplinary
Publication Status: Published
Start Date: 2017-05-12
Finish Date: 2017-05-14
Conference Place: Kuala Lumpur, Malaysia
Appears in Collections:Faculty of Engineering
Civil and Environmental Engineering
Chemical Engineering



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