degrees-of-technology-maruritiesLong termMedium termBeing introducedRotor parts andblades made fromfiber-reinforcedmetals (MMC)Blades made fromfiber-reinforcedplastics (FRP)Ceramic combustor componentsTMCTungsten fiber-reinforcedturbine bladesOxide-dispersionstrengthenedalloys (ODS)BlingCeramic turbinebladesHot gas ducts,flame holdersTurbine blades madefrom intermetallicphasesCompressor housingsmade from intermetallicphases (TiAl).Single crystalsThermalbarriersBliskTailpipe parts madefrom fiber-reinforcedceramicsPowder-metallic (PM)rotor partsBrush sealsNon-flammabletitanium alloysThermal barrierswith considerablyimproved thermalinsulationIntelligent materialse.g. memory metals formaintaining clearancesUsing the piezo-effectfor dampingDamping foilsDamping systems:e.g. coatingsFRP nose conesHollow fanbladesErosion protectionin FRP partsDirected clearancecontrolOptimized casingtreatmentSurge preventionLife-management of rotor partsRetirement for causeNon-destructivetesting methods that accurately findgrowth-capable flawsDual-propertyturbine disksEffusion-cooledturbine bladesPulsed pyrometers3-D blade profilesSyntheticcontainmentEstimated degrees of maturity, i.e. implementation times of moderntechnologies for aircraft engines from the perspective of the early21st century:Ceramicroller bearingsMagnetic bearingsAir bearingsBlades made byPM-metal sprayingIntermetallic phasesfor use in high-temperatureapplicationsSuccessfullyintroduced New dampingmethods for blingsBling