Yongzhen ZHANG, Xiaoyan TONG, Leijiang YAO, Bin LI, Guodong BAI. Acoustic Emission Pattern Recognition on Tensile Damage Process of C/SiC Composites Using an Improved Genetic Algorithm [J]. Journal of Inorganic Materials, 2020, 35(5): 593
- Journal of Inorganic Materials
- Vol. 35, Issue 5, 593 (2020)
1. Schematic drawing of the tensile specimen
2. Cluster analysis process based on the improved genetic algorithm
3. Stress-strain curve and energy distribution of acoustic emission signal in tensile process
4. Correlation dendrogram of the AE features
5. CH&DB index change curves with K value of C/SiC specimen
6. Distribution of clustering results of acoustic emission signals
7. Fracture SEM images of specimen
8. Accumulated energy with strain and time
9. Accumulated number of AE events with strain and time
10. Energy distributions of different damage modes during the tensile test
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Table 1. Numerical values of the clustering centers
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