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Journal of Inorganic Materials, Volume. 39, Issue 5, 501(2024)

Sintering Behavior of Simulating Core FCM Fuel via Hot Oscillatory Pressing

Zongbei HE1... Fang CHEN1, Dianguang LIU2,*, Tongye LI1 and Qiang ZENG1 |Show fewer author(s)
Author Affiliations
  • 11. Nuclear Fuel and Material Institute, Nuclear Power Institute of China, Chengdu 610213, China
  • 22. School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (14)
    Equations (8)
    References (35)
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    Figures & Tables(14)
    Schematic diagram of hot oscillatory pressing
    1. Schematic diagram of hot oscillatory pressing

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    Densification curves of samples sintered via hot oscillatory pressing at different temperatures
    2. Densification curves of samples sintered via hot oscillatory pressing at different temperatures

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    Densification curves of samples sintered via hot oscillatory pressing under different median pressures
    3. Densification curves of samples sintered via hot oscillatory pressing under different median pressures

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    Densification curves of samples sintered via hot oscillatory pressing at different pressure amplitudes
    4. Densification curves of samples sintered via hot oscillatory pressing at different pressure amplitudes

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    XRD patterns of samples sintered via hot oscillatory pressing at different temperatures
    5. XRD patterns of samples sintered via hot oscillatory pressing at different temperatures

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    Densification curves of samples sintered via hot oscillatory pressing and hot pressing at different temperatures
    6. Densification curves of samples sintered via hot oscillatory pressing and hot pressing at different temperatures

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    Grain size of samples sintered via hot oscillatory pressing and hot pressing as function of (a) sintering temperature and (b) relative density
    7. Grain size of samples sintered via hot oscillatory pressing and hot pressing as function of (a) sintering temperature and (b) relative density

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    SEM images of fracture surface and grain size distributions of samples sintered at 1850 ℃
    8. SEM images of fracture surface and grain size distributions of samples sintered at 1850 ℃

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    Hardness of samples sintered via hot oscillatory pressing and hot pressing as function of (a) sintering temperature and (b) porosity
    9. Hardness of samples sintered via hot oscillatory pressing and hot pressing as function of (a) sintering temperature and (b) porosity

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    Densification rate-effective stress plots of samples sintered via hot oscillatory pressing by taking n=1
    10. Densification rate-effective stress plots of samples sintered via hot oscillatory pressing by taking n=1

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    Arrhenius relationship curve of samples sintered via hot oscillatory pressing at different temperatures
    11. Arrhenius relationship curve of samples sintered via hot oscillatory pressing at different temperatures

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    • Table 1. Sintering parameters of simulated core FCM fuel via hot oscillatory pressing and hot pressing

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      Table 1. Sintering parameters of simulated core FCM fuel via hot oscillatory pressing and hot pressing

      No.T/℃ t/h σm/MPa σa/MPa
      HOP-116001205
      HOP-216002205
      HOP-316501205
      HOP-416502205
      HOP-517001205
      HOP-617002205
      HOP-717500205
      HOP-817501205
      HOP-917502205
      HOP-1017502105
      HOP-1117502155
      HOP-1217502201
      HOP-1317502203
      HOP-1418002205
      HOP-1518502205
      HP-117002200
      HP-217502200
      HP-318002200
      HP-418502200

    • Table 2. Densities and open porosities of samples under different holding time

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      Table 2. Densities and open porosities of samples under different holding time

      No.T/℃ t/h ρ/(g·cm-3) Open porosity/%ρm/(g·cm-3)
      HOP-7175002.6526.572.04
      HOP-8175013.633.683.00
      HOP-9175023.751.483.13

    • Table 3. Similarity between densification rate and effective stress at different stress exponents (n)

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      Table 3. Similarity between densification rate and effective stress at different stress exponents (n)

      T/℃ n=1 n=2 n=3
      17000.99940.97400.9476
      17500.97730.99860.9874
      18000.99040.96470.9528
      18500.98580.97420.9695
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    Zongbei HE, Fang CHEN, Dianguang LIU, Tongye LI, Qiang ZENG. Sintering Behavior of Simulating Core FCM Fuel via Hot Oscillatory Pressing [J]. Journal of Inorganic Materials, 2024, 39(5): 501

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    Paper Information

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    Received: Oct. 23, 2023

    Accepted: --

    Published Online: Jul. 8, 2024

    The Author Email: LIU Dianguang (dianguang@swjtu.edu.cn)

    DOI:10.15541/jim20230492

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology