基于流化床化学气相沉积的碳化硅材料制备、性能及其在核领域的应用（英文）
发布时间：2024-02-19 18:12
采用流化床化学气相沉积法(FB-CVD)制备了碳化硅包覆层,利用多尺度耦合模型对包覆过程进行了模拟,以提高包覆层的均匀性。开发了可应用在核能领域的碳化硅材料,如致密碳化硅层、细晶粒碳化硅包覆层、碳化硅/碳/硅混合包覆层、多孔碳化硅包覆层、碳化硅纳米线、碳化硅纳米粒子等。为了评估碳化硅包覆层的可靠性,进行了极端条件下的模拟事故氧化考验。对于以碳化硅为主要包覆层的燃料元件,在高通量核反应堆中进行了辐照试验,结果表明:该碳化硅包覆层材料在核应用中的表现优异。
【文章页数】：10 页
【文章目录】：
1 Introduction
2 FB–CVD method for the preparation of SiC materials
3 Simulation of the FB–CVD particle coating process
4 Series of SiC materials prepared by the FB–CVD method used for nuclear fuel
4.1 Dense SiC coating layer on TRISO-coated fuel particles
4.2 Fine-grained SiC coating layers
4.3 SiC/C/Si mixed coating layers based on the phase diagram of SiC
4.4 Porous SiC coating preparation
4.5 SiC nanowires for accident tolerance fuel(ATF)cladding
4.6 Si C nanoparticles for fully ceramic encapsulated(FCM)fuels
5 Conclusions
本文编号：3903113
【文章页数】：10 页
【文章目录】：
1 Introduction
2 FB–CVD method for the preparation of SiC materials
3 Simulation of the FB–CVD particle coating process
4 Series of SiC materials prepared by the FB–CVD method used for nuclear fuel
4.1 Dense SiC coating layer on TRISO-coated fuel particles
4.2 Fine-grained SiC coating layers
4.3 SiC/C/Si mixed coating layers based on the phase diagram of SiC
4.4 Porous SiC coating preparation
4.5 SiC nanowires for accident tolerance fuel(ATF)cladding
4.6 Si C nanoparticles for fully ceramic encapsulated(FCM)fuels
5 Conclusions
本文编号：3903113
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