Jia LIU, Xue-jing SHEN, Guan-zhen ZHANG, Fei-fei GUO, Dong-ling LI, Hai-zhou WANG. Characterization of Original Position Statistical Distribution of Composition in Train Wheel Steel by Laser-Induced Breakdown Spectrum[J]. Spectroscopy and Spectral Analysis, 2021, 41(7): 2269
- Spectroscopy and Spectral Analysis
- Vol. 41, Issue 7, 2269 (2021)
Fig. 1. Schematic diagram of LIBSOPA system
Fig. 2. Schematic diagram of the sample
(a): Schematic diagram of sample preparation; (b): Low times inspection sample; (c): LIBSOPA experimental sample
(a): Schematic diagram of sample preparation; (b): Low times inspection sample; (c): LIBSOPA experimental sample
Fig. 3. The low-times inspection
(a): Low times inspection drawing of rim section;(b): Local enlargment drawing of low times inspection
(a): Low times inspection drawing of rim section;(b): Local enlargment drawing of low times inspection
Fig. 4. Relationship between different ablation pulses and spectral signal intensity
Fig. 5. Relationship between different ablation pulses and spectral signal stability
Fig. 6. Calibration curve of elements
Fig. 7. Actual sample and scanning mode of wheel trerd
Fig. 8. Two-dimensional component distribution map
Fig. 9. Schematic diagram of statistical analysis of subregions
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Table 1. Reference material composition
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Table 2. Quantitative results of LIBSOPA
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Table 3. Statistic segregation degree
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