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Efficient three-dimensional characterization of C/C composite reinforced with densely distributed fibers via X-ray phase-contrast microtomography [Early Posting]

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摘要

Carbon fiber (CF)/pyrolytic graphite (PG) composites are promising structural materials for molten salt reactors because of their superior performance. Due to the minor density difference between CF and PG, existing methods are impractical for efficient three-dimensional characterization of CF/PG composites. Therefore, in this study, a method based on in-line phase-contrast X-ray microtomography was developed to solve the aforementioned problem. Experimental results demonstrate that the method is suitable for comprehensive characterization of CF/PG composites. The relationship between the microporous defects and fiber orientations of such composites was also elucidated. The findings can be useful for improving the manufacturing process of CF/PG composites.

广告组1 - 空间光调制器+DMD
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作者单位:

    Shanghai Institute of Applied Physics Chinese Academy of Sciences
    Shanghai Institute of Applied Physics Chinese Academy of Sciences
    Shanghai Institute of Applied Physics Chinese Academy of Sciences
    Shanghai Institute of Applied Physics Chinese Academy of Sciences
    Shanghai Institute of Applied Physics Chinese Academy of Sciences
    Shanghai Institute of Applied Physics Chinese Academy of Sciences
    Shanghai Advanced Research Institute

引用该论文

Li Ke,Gao Yantao,Zhang Haipeng,Du Guohao,Huang Hefei,Xu Hongjie,Xiao Tiqiao. Efficient three-dimensional characterization of C/C composite reinforced with densely distributed fibers via X-ray phase-contrast microtomography[J].Chinese Optics Letters,2021,19(7):07.