Mohd. Zulkifli, S. and Mat Yajid, Muhamad Azizi and Idris, Mohd. Hasbullah and Daroonparvar, M. and Hamdan, Halimaton (2015) TGO formation with nicocralyta bond coat deposition using aps and HVOF method. In: Advanced Materials Research, 2015.
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Official URL: https://www.scientific.net/AMR.1125.18
Abstract
Formation of thin and continuous layer of thermally grown oxide (TGO) in thermal barrier coating (TBC) are essential in order to avoid coating failure for high temperature applications. As-sprayed high velocity oxy-fuel (HVOF) bond coat can provide more uniform TGO layer in TBC system and much less oxide compare to air plasma spray (APS). In this paper, both APS and HVOF method are used to deposit NiCoCrAlYTa bond coat on Inconel 625 substrate followed by topcoat, YSZ deposition. Pre-oxidation process was done in normal oxygen furnace at 1000°C for 12 to 24 hours to study the characteristic of TGO formation via these two different methods. From the result obtained, it shows that HVOF method provide better TGO formation as compared to APS.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Uncontrolled Keywords: | air plasma spray, high velocity oxy-fuel |
| Subjects: | T Technology > TD Environmental technology. Sanitary engineering |
| Divisions: | Mechanical Engineering |
| ID Code: | 60656 |
| Deposited By: | Widya Wahid |
| Deposited On: | 21 Feb 2017 07:59 |
| Last Modified: | 07 Aug 2017 07:57 |
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