4-32 Damage Effects of Mechanical Properties of Silicon Carbide Fiber Irradiated by Electron Beams

(整期优先)网络出版时间:2016-01-11
/ 1
Continuoussiliconcarbidefiberreinforcedsiliconcarbide(SiCf/SiC)compositeshavebeenconsideredtobecandidatematerialsofhightemperaturestructuralapplicationinaerospace,energyconservationandpowergenerationduetotheexcellenthightemperaturemechanicalproperties,goodfractureresistance,corrosionresistanceandthermodynamicstability.Furthermore,duetothehighthermalstability,lowinducedradioactivity,quickdecayofactivityandlowafterheat,SiCf/SiCcompositeshavebeenrecognizedasthepromisingmaterialsoffissionandfuturefusionreactors.SiCf/SiCcompositesarecomposedofSiCfiberandSiCmarixmaterials.Radiationresistance,oxidationtolerance,fracturetoughnessandtensilestrengthofSiCfiberhaveadirectimpactontheSiCf/SiCcompositesperformance.