Liang SHENG, Liang-jing YUAN, Dong-ling LI, Xiao-fen ZHANG, Qiao-chu ZHANG, Lei YU, Yun-hai JIA. Determination on Complex Inclusions of High-Speed Railway Wheel Using Spark Source Original Position Analysis[J]. Spectroscopy and Spectral Analysis, 2022, 42(4): 1122
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 4, 1122 (2022)
Fig. 1. Cross section of high railway wheel and its analysis area
(a): SEM-EDS analysis area; (b): OPA analysis area
(a): SEM-EDS analysis area; (b): OPA analysis area
Fig. 2. Microstructure morphologies and composition of typical inclusions
(a): Al2O3; (b): MnS; (c): Al2O3/MnS;(d): Energy dispersive spectrum of Al2O3/MnS
(a): Al2O3; (b): MnS; (c): Al2O3/MnS;(d): Energy dispersive spectrum of Al2O3/MnS
Fig. 3. Spectral threshold of Al2O3 inclusion
Fig. 4. Fitting curve between the average area of Al2O3 inclusion and the spectral intensity
Fig. 5. Fitting curve between the average area of MnS inclusion and the spectral intensity
Fig. 6. Sequential diagram of Al single sparks
Fig. 7. Sequential diagram of MnS inclusion
Fig. 8. Sequential diagram of Al2O3/MnS complex inclusions
Fig. 9. The relation curve of the areas of Al2O3/MnS complex inclusions measured by SEM and OPA
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Table 1. Inclusion size distribution measured by SEM
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Table 2. Inclusion size distribution of complex inclusions of B1 region of the bub by using OPA analysis
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Table 3. Inclusion size distribution of Al2O3/MnS complex inclusions of B2 region of the spoke
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Table 4. Size distribution of Al2O3/MnS complex inclusions of B3 region of the rim
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Table 5. The maximum size of Al2O3/MnS complex inclusions over each cross section of high speed railway wheel
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