Microstructural stability of SiC and SiC/SiC composites under high temperature irradiation environment
作者： H. Kishimoto , Y. Katoh , A. Kohyama
DOI: 10.1016/S0022-3115(02)01050-4
关键词: Composite material 、 Interphase 、 Irradiation 、 Structural material 、 Sic fiber 、 Fusion 、 Materials science 、 Composite number 、 Silicon carbide 、 Nuclear fusion 、 Nuclear and High Energy Physics 、 General Materials Science 、 Nuclear Energy and Engineering
摘要: Abstract Silicon carbide continuous fiber-reinforced silicon matrix composites (SiC/SiC composite) are attractive as the structural material of advanced energy systems, including nuclear fusion. The irradiation may affect fiber/matrix interphases which responsible for pseudo-ductile fracture behavior SiC/SiC composites. In this work, investigation microstructural evolution in a fusion environment is performed by dual-ion method. Reinforcements were Tyranno™-SA and Hi-Nicalon™ Type-S. displacement damage rate was up to 100 dpa. temperature He/dpa ratio 1673 K 60 appm, respectively. modification induced especially occurred interphase. SiC fiber did not shrink C/SiC multilayer interphase showed superior stability against at high temperatures.
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