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Hybrid Plasma-Spray...
Hybrid Plasma-Sprayed Thermal Barrier Coatings Using Powder and Solution Precursor Feedstock
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Joshi, S. V. (author)
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Sivakumar, G. (author)
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Raghuveer, T. (author)
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Dusane, R. O. (author)
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- 2014
- 2014
- English.
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In: Journal of thermal spray technology (Print). - 1059-9630 .- 1544-1016. ; 23:4, s. 616-624
- Related links:
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https://urn.kb.se/re...
Abstract
Subject headings
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- A novel approach of hybridizing the conventional atmospheric plasma spraying (APS) technique with the solution precursor plasma spray (SPPS) route to achieve thermal barrier coatings (TBCs) with tailored configurations is presented. Such a hybrid process can be conveniently adopted for forming composite, multi-layered and graded coatings employing simultaneous and/or sequential feeding of solution precursor as well as powder feedstock, yielding distinct TBC microstructures that bear promise to further extend coating durability. TBC specimens generated using conventional APS technique, the SPPS method and through APS-SPPS hybrid processing have been comprehensively characterized for microstructure, phase constitution, hardness and thermal cycling life, and the results were compared to demonstrate the advantages that can ensue from hybrid processing.
Keyword
- hybrid coating
- in situ powder
- solution precursor plasma spray
- splats
- YSZ
- PARTIALLY-STABILIZED ZIRCONIA
- SPLAT FORMATION
- MICROSTRUCTURE
- RESISTANCE
- MECHANISMS
- Materials Science
- Coatings & Films
Publication and Content Type
- ref (subject category)
- art (subject category)
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