Research Article
A Study on Depth Sizing for Surface Cracks in KTX Brake Disc Using Rayleigh Wave
Table 2
Inspection results for standard-type cracks (mm).
| | No. | Actual depth | Actual length | Estimated depth (error factor) | Estimated length (error factor) |
| | 1 | 0.5 | 7.0 | 0.41 (9%) | 7.2 (2.8%) | | 2 | 1.0 | 1.12 (12%) | 7.2 (2.8%) | | 3 | 2.0 | 1.91 (4.5%) | 7.2 (2.8%) | | 4 | 3.0 | 2.92 (8%) | 7.2 (2.8%) | | 5 | 4.0 | 3.92 (8%) | 7.2 (2.8%) |
| | 6 | 0.5 | 10.0 | 0.44 (6%) | 10.4 (4.0%) | | 7 | 1.0 | 1.10 (10%) | 10.4 (4.0%) | | 8 | 2.0 | 1.96 (4%) | 10.4 (4.0%) | | 9 | 3.0 | 3.01 (1%) | 10.4 (4.0%) | | 10 | 4.0 | 4.1 (10%) | 10.4 (4.0%) |
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