Mohd. Zulkifli, I. S. and Mat Yajid, M. A. and Idris, M. H. and Daroonpavar, M. (2018) The effect of atmospheric plasma spray distance of the agglomerated maerogel coated on Inconel 625 substrate. Corrosion Engineering Science and Technology, 53 (7). pp. 487-491. ISSN 1478-422X
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Official URL: http://dx.doi.org/10.1080/1478422X.2017.1377990
Abstract
Nano-structured silica aerogel, which is also known as maerogel, was synthesised from rice husk ash (RHA) by a Universiti Teknologi Malaysia (UTM) research team. This super lightweight solid (powder) material with low thermal conductivity was agglomerated into micro-size particles for use as a coating material. Sprayable maerogel coating has high potential for use in various thermal insulating applications such as in aeroengine turbine blade. The maerogel was coated on Inconel 625 via the atmospheric plasma spray (APS) method. Since the APS can deposit a wide range of coating powders and particle sizes with high deposition temperature, it has become a more suitable coating technique for maerogel coating. The coating spray distance of the APS was varied to study its effect on the maerogel coating in terms of microstructure, coating thickness, adhesion strength and thermal conductivity. The coating spray distance of 10 cm was the best spray distance, a parameter by which a homogenous microstructure with adequate coating thickness, adhesion strength and thermal conductivity was obtained.
Item Type: | Article |
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Uncontrolled Keywords: | maerogel, atmospheric plasma spray, adhesion |
Subjects: | T Technology > TJ Mechanical engineering and machinery |
Divisions: | Mechanical Engineering |
ID Code: | 84427 |
Deposited By: | Yanti Mohd Shah |
Deposited On: | 11 Jan 2020 07:08 |
Last Modified: | 11 Jan 2020 07:08 |
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