航空發(fā)動機(jī)葉片熱障涂層技術(shù)aircraft_enginer_tbc_benchmark-wenkub
2023-05-17 02:58:25 本頁面
【正文】 A U n i v o f V i r g i n i a * E B D V D , s y s t e m a t i c a l e x p amp。 cost effective coating process ?Operating condition: Stage 1 Turbine Blades (HPT) ?Substrate: Nibase Superalloy/SX (N5) ?Coating: Bond Coat (NiAl, MCrAlY, PtAl) amp。 TGO (Al2O3) TBC (8YSZ) ?Evaluation Criteria: Thermal cycling test Microstructure * Adhesive strength, Oxidation resistance, Phase stability, Thickness homogeneity, Cost estimation 6 / Confidential/ 5/30/2022 TBC System Temperature vs. Lifetime 7 / Confidential/ 5/30/2022 TBC Structure amp。 s i m u l a t i o nA c a d e m i cU S A G E A i r c r a f t E n g i n e EBPVD , P l a s m a s p r a yUK R o l l s R o y c e ( E n g l a n d ) EBPVD , P l a s m a s p r a yU S A P r a t amp。an X I A N A E R O E N G I N E EBPVD , p l a s maC h e n g d u S i c h u a n C h e n g f a A e r o C o . L t d P l a s ma , EBPVDG u i z h o u L i y a n g A e r o E n g i n e EBPVDI n d u s t r i a l l o c a l l y11 / Confidential/ 5/30/2022 Focus of Efforts Approaches: ?Improve coating material ?Coating Structure Design* ?Coating microstructure* ?Processing Para. Optim. ?Brandnew process/tech* ?Rare earth additive ?Multilayer and continual gradient layer ?Vertical micro crackle ?Porous or 3D Mesh structure ?Hollow ceramic particle ?Microcrystal coating ?Amorphous phase ?Pack Cementation ?EBDirected Vapor Deposition ? Thermalchemical reaction 12 / Confidential/ 5/30/2022 Potential Coating Technologies
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