• Acta Optica Sinica
  • Vol. 41, Issue 10, 1034001 (2021)
Jingdong Hu1, Lihong Liang2、3、*, Xuemei Liu1、**, and Huaibei Dai2、3
Author Affiliations
  • 1School of Materials Science & Engineering, Shandong University, Jinan, Shandong 250061, China;
  • 2China Special Equipment Inspection and Research Institute, Beijing 100029, China
  • 3Key Laboratory of Nondestructive Testing and Evaluation, State Administration for Market Regulation, Beijing 100029, China
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    DOI: 10.3788/AOS202141.1034001 Cite this Article Set citation alerts
    Jingdong Hu, Lihong Liang, Xuemei Liu, Huaibei Dai. Research on Penetrated Thickness and Gray Model of Radiographic Digital Imaging[J]. Acta Optica Sinica, 2021, 41(10): 1034001 Copy Citation Text show less
    Schematic diagram of X-ray penetrating workpiece
    Fig. 1. Schematic diagram of X-ray penetrating workpiece
    Fitting results of penetrated thickness-relative intensity with different models
    Fig. 2. Fitting results of penetrated thickness-relative intensity with different models
    Penetrated thickness and relative intensity
    Fig. 3. Penetrated thickness and relative intensity
    Tube voltage and linear attenuation coefficient
    Fig. 4. Tube voltage and linear attenuation coefficient
    Digital radiographic images of steel step test block
    Fig. 5. Digital radiographic images of steel step test block
    t /mmV /kVi /mAF /mm
    5115--1451800
    10140--1901700
    15170--2201700
    20190--2401600
    25180--2302500
    30200--2502500
    Table 1. List of penetrated parameters
    V /kVi /mAF /mmGt /mmt' /mmRE /%
    95480032956.0761.24
    95580041556.0560.90
    95680050056.0560.75
    105580039688.0780.93
    105680047488.0881.04
    105780055618.0280.30
    1355700361616.17161.03
    1356700432516.18161.14
    1357700509516.13160.82
    1458700632218.04180.20
    1459700722517.94180.33
    14510700799317.97180.18
    1704600348025.67261.27
    1705600436525.64261.37
    1706600525725.61261.49
    Table 2. Calculation results of steel step test blocks
    Jingdong Hu, Lihong Liang, Xuemei Liu, Huaibei Dai. Research on Penetrated Thickness and Gray Model of Radiographic Digital Imaging[J]. Acta Optica Sinica, 2021, 41(10): 1034001
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