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Figure 7
Microstructure of another sample heated treated at 1423 K for 90 h, which shows a large crack (red arrow) deviating from the interface to about the middle of the coating. |
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Figure 7
Microstructure of another sample heated treated at 1423 K for 90 h, which shows a large crack (red arrow) deviating from the interface to about the middle of the coating. |