航空發(fā)動(dòng)機(jī)葉片熱障涂層技術(shù)aircraft_enginer_tbc_benchmark-全文預(yù)覽
【正文】 oC only at contact areas, transfers a small quantity of the electrode to the work piece to form a strong metallurgical bonding. 15 / Confidential/ 5/30/2022 Tech Roadmap 16 / Confidential/ 5/30/2022 Appendix 17 / Confidential/ 5/30/2022 Operating Condition of Turbine Blades Journey through a jet engine Fan LPC HPC HPT LPT 18 / Confidential/ 5/30/2022 Data for Turbine Blades ?High Temperature: ~1400oC ?High Pressure: ~40atm ?High Rotating Speed: ~11,000rpm ?Centrifugal force, airflow impact and vibration ?Oxidation and erosion ?Thermal Mechanical Cycling HPT blade lifetime: ?Currently: 16,000 hours (2~3years) ?Expected: 30,000+ hours Rough estimate of cost: ?A set of blades for HPT: gbp ?Refurbishment: to 1M gbp 19 / Confidential/ 5/30/2022 Mat paraamp。 C a n n a d a ) EBPVD , P l a s m a s p r a yU S A P R A X A I R S . T . T e c h , I N C . EBPVDU S A C h r o m a l l o y N o . 1 ~ 5 , 6 ( UK ) EBPVDG e r m a n y S u l z e r M e t c o I n c . P l a s m a s p r a yI n d u s tr i a lB e i j i n g B I A M B J I n s t o f A e r o Ma t E B P V D p r o c e s sB e i j i n g B U A A B J U n i v o f A v i a t i o n amp。m Material Technique TBC top coat Thermally insulating Low k, high CTE, porous morphology 100~ 400 YSZ APS, EBPVD TGO Oxidation resistance Dense alumina 110 Al2O3 Bond Coat Aluminide, Solid adhesion, transition Gradient layer, Phase stability 50100
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