• High Power Laser and Particle Beams
  • Vol. 33, Issue 5, 053001 (2021)
Ziyu Wang, Jihua Shang, Xinyu Yang, and Jiuxing Zhang
Author Affiliations
  • School of Material Science and Engineering, Hefei University of Technology, Hefei 230009, China
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    DOI: 10.11884/HPLPB202133.200335 Cite this Article
    Ziyu Wang, Jihua Shang, Xinyu Yang, Jiuxing Zhang. Microstructure characterization and thermionic emission performance of barium-tungsten cathode[J]. High Power Laser and Particle Beams, 2021, 33(5): 053001 Copy Citation Text show less
    [in Chinese]
    Fig. 1. [in Chinese]
    [in Chinese]
    Fig. 2. [in Chinese]
    [in Chinese]
    Fig. 3. [in Chinese]
    [in Chinese]
    Fig. 4. [in Chinese]
    [in Chinese]
    Fig. 5. [in Chinese]
    [in Chinese]
    Fig. 6. [in Chinese]
    [in Chinese]
    Fig. 7. [in Chinese]
    leveltemperature/℃holding time/minpressure/MPa
    11500115
    21600220
    31700325
    Table 1. [in Chinese]
    numberABCerrorporosity/%
    11500115128.34
    21500220225.33
    31500325321.00
    41600215322.05
    51600320119.56
    61600125221.97
    71700315219.46
    81700120318.15
    91700225115.97
    Table 2. [in Chinese]
    ABCerror
    K74.6768.4669.8563.87
    63.5863.3563.0466.76
    53.5860.0258.9461.20
    R21.098.4410.915.56
    Table 3. [in Chinese]
    sourceSAfFαdegree
    temperature(A)74.20214.390.1high
    holding Time(B)12.0522.340.25low
    pressure(C)20.2523.930.25middle
    error5.162
    SUM111.668
    Table 4. [in Chinese]
    temperature/℃Jdevwith different spherical matrix cathode/(A·cm−2
    23.4%26.3%30.5%
    9008.4210.278.60
    100010.6614.7711.43
    105012.3724.6213.00
    110013.9533.0714.56
    Table 5. [in Chinese]
    activated temperature/℃J0/(A·cm−2Φ/eV
    23.4%26.3%30.5%23.4%26.3%30.5%
    10503.797.623.102.031.952.05
    Table 6. [in Chinese]
    Ziyu Wang, Jihua Shang, Xinyu Yang, Jiuxing Zhang. Microstructure characterization and thermionic emission performance of barium-tungsten cathode[J]. High Power Laser and Particle Beams, 2021, 33(5): 053001
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