• High Power Laser and Particle Beams
  • Vol. 34, Issue 5, 056002 (2022)
Jian Zheng, Zhanfeng Yan, Hao Wang, Qijie Feng, Xiankun Liu, Xiao Liu, Shuyu Wang, Wei Zhou, and Dazhi Qian
Author Affiliations
  • Institute of Nuclear Physics and Chemistry, CAEP, Mianyang 621900, China
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    DOI: 10.11884/HPLPB202234.210511 Cite this Article
    Jian Zheng, Zhanfeng Yan, Hao Wang, Qijie Feng, Xiankun Liu, Xiao Liu, Shuyu Wang, Wei Zhou, Dazhi Qian. Neutron irradiation effects of graphite serving in SPRR-300 reactor[J]. High Power Laser and Particle Beams, 2022, 34(5): 056002 Copy Citation Text show less
    Deformation in length of three types of graphite in the temperature range of measurement
    Fig. 1. Deformation in length of three types of graphite in the temperature range of measurement
    Thermal diffusivity of three types of graphite in the temperature range of measurement
    Fig. 2. Thermal diffusivity of three types of graphite in the temperature range of measurement
    XRD results of three types of graphite
    Fig. 3. XRD results of three types of graphite
    SEM images of the 300# graphite
    Fig. 4. SEM images of the 300# graphite
    SEM images of the as-received IG110 and NG-CT-10 graphite
    Fig. 5. SEM images of the as-received IG110 and NG-CT-10 graphite
    Low-magnification TEM images of the 300# graphite
    Fig. 6. Low-magnification TEM images of the 300# graphite
    High-magnification TEM images of the 300# graphite
    Fig. 7. High-magnification TEM images of the 300# graphite
    Overall STEM bright field images of the IG110 graphite
    Fig. 8. Overall STEM bright field images of the IG110 graphite
    The SAED pattern and different zones of the IG110 graphite
    Fig. 9. The SAED pattern and different zones of the IG110 graphite
    The overall STEM bright field image and the local high-magnification image,layers and voids of the NG-CT-10 graphite
    Fig. 10. The overall STEM bright field image and the local high-magnification image,layers and voids of the NG-CT-10 graphite
    SAED pattern and the HRTEM images and different zones of the NG-CT-10 graphite
    Fig. 11. SAED pattern and the HRTEM images and different zones of the NG-CT-10 graphite
    temperature/℃coefficient of thermal expansion/10−6
    300#IG110NG-CT-10
    30~1002.942 64.100 54.747 9
    100~2003.436 74.790 14.767 7
    200~3002.987 95.221 04.760 1
    300~4002.546 45.371 44.966 0
    400~5002.306 45.316 34.676 7
    500~6001.760 35.232 24.810 1
    Table 1. Coefficients of thermal expansion of three types of graphite in the temperature range of measurement
    graphitecompression strength/MPa
    sample 1sample 2sample 3averagestandard deviation
    300#63.376.16166.88.1
    IG11086.487.489.487.71.5
    NG-CT-10102.999.7103.7102.12.1
    Table 2. Compression strength of three types of graphite
    graphiteflexural strength/MPa
    sample 1sample 2sample 3averagestandard deviation
    300#43.4544.8251.846.74.5
    IG11067.6170.8268.3968.91.7
    NG-CT-1081.5383.0179.7381.41.6
    Table 3. Flexural strength of three types of graphite
    graphitemodulus of elasticity in flexure/GPa
    sample 1sample 2sample 3averagestandard deviation
    300#29.524.631.528.53.6
    IG11022.328.329.626.73.9
    NG-CT-1021.123.621.822.11.3
    Table 4. Modulus of elasticity in flexure of three types of graphite
    Jian Zheng, Zhanfeng Yan, Hao Wang, Qijie Feng, Xiankun Liu, Xiao Liu, Shuyu Wang, Wei Zhou, Dazhi Qian. Neutron irradiation effects of graphite serving in SPRR-300 reactor[J]. High Power Laser and Particle Beams, 2022, 34(5): 056002
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