Thermal barrier coatings (TBC) for energy efficient systems. | [Journal of Pakistan Institute of Chemical Engineers • 2015]

Author(s):

1. M. Farooq: Institute of Chemical Engineering & Technology, University of the Punjab, Lahore, Pakistan

2. A. Imran: PCSIR Laboratories, Ferozpur Road, Lahore, Pakistan

3. S. Alain: PCSIR Laboratories, Ferozpur Road, Lahore, Pakistan

4. S. F. Shaukats: Department of Physics, COMSATS Institute of Information Technology, Lahore, Pakistan

5. R. Farooe: Department of Chemical Engineering, COMSATS Institute of Information Technology, Lahore, Pakistan

Abstract:

Thermal barrier coatings (TBC) is being applied very successfully in a variety of systems in energy, defense, gas-turbine engines and innovative ceramic materials sectors for the improved efficiencies. Zirconia yttria (ZrO2Y 208) coating deposited by plasma spray method is one of the best TBC techniques. A widespread research has been carried out to explore the effect of stabilizer on the performance of Zr02 thermal barrier coatings. The morphology, thermal behavior and other characteristics have been determined, using the latest techniques. It has been observed that the porosity content is homogeneously distributed and pore size is of micro level in TBC. It has been revealed that, in case of less porosity in TBC, it do not affect the hardness values but certainly it is affected by the phase change in coating. The region close to the coating showed the plastic deformation, while analyzing the samples microscopically. The validation of grain size has also been noticed in the coating region, which might be due to the overheating the samples, while coating.

Page(s): 1-4

DOI: DOI not available

Published: Journal: Journal of Pakistan Institute of Chemical Engineers, Volume: 43, Issue: 1, Year: 2015

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