Mishra, Suman K and N, Jagdeesh and Pathak, L C (2016) Fabrication of Nanosized Lanthanum Zirconate Powder and Deposition of Thermal Barrier Coating by Plasma Spray Process. Journal Of Materials Engineering And Performance, 25(7) (IF-1.331). pp. 2570-2575.
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Abstract
The present manuscript discusses our findings on fabrication of nanosized lanthanum zirconate powder for thermal barrier coating application and its coating by plasma spray on nickel-based superalloy substrate. Single-phase La2Zr2O7 coating of thickness of the order of 45 A mu m on the Ni-Cr-Al bond coat coated Ni-based superalloy substrate was deposited by plasma spray process. The layers at the interface did not show spallation and inter diffusion was very less. The microstructure, interface, porosity, and mechanical properties of different layers are investigated. The lanthanum zirconate hardness and modulus were 10.5 and 277 GPa, respectively. The load depth curve for lanthanum zirconate showed good elastic recovery around 74%.
| Item Type: | Article |
|---|---|
| Official URL/DOI: | http://apps.webofknowledge.com/full_record.do?prod... |
| Uncontrolled Keywords: | lanthanum zirconate; microstructure; plasma spray; TBC |
| Divisions: | Material Science and Technology |
| ID Code: | 7560 |
| Deposited By: | Sahu A K |
| Deposited On: | 16 Aug 2017 12:37 |
| Last Modified: | 20 Nov 2017 12:05 |
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