Abstract
A novel non-destructive ultrasound infrared lock-in thermography (ULT) testing method was presented in order to detect metal specimens with subsurface contacting interfacial defects. An experimental platform was built. Experiments had been carried out to Q235 plates with different testing parameters. The testing effect of amplitude and phase images was analyzed, and the relation between amplitude difference, phase difference, signal-to-noise ratio and modulation frequency was discussed. An adaptive neuro-fuzzy inference system model was built to forecast the depth of defects.
| Original language | English |
|---|---|
| Pages (from-to) | 499-505 |
| Number of pages | 7 |
| Journal | Procedia Engineering |
| Volume | 16 |
| DOIs | |
| State | Published - 2011 |
| Externally published | Yes |
| Event | International Workshop on Automobile, Power and Energy Engineering, APEE 2011 - Wuhan, China Duration: 15 Apr 2011 → 17 Apr 2011 |
Keywords
- Amplitude
- Interfacial defects
- Modulation frequency
- Phase
- Ultrasound infrared lock-in thermography
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