Abstract
An acoustic emission nonlinear behavior model which consists of acoustic emission (AE) cusp and review model was established, which can estimate the changed time at which the state of 16Mn steel was changed from elastic deformation to yield deformation. Firstly, some preliminary changed time at which the state of 16Mn steel plate specimen might be changed from elastic deformation to yield deformation was estimated with AE cusp model. Next, all preliminary changed time was rechecked by the review model, and the analytical changed time from elastic deformation to yield deformation of 16Mn steel was obtained. The experiment results show that the analytical changed time which was estimated by acoustic emission nonlinear behavior model was ahead of the actual time which was estimated by the load-time curve. Therefore, the acoustic emission nonlinear behavior model is helpful to monitor the safety and reliability of 16Mn steel structure on line.
| Original language | English |
|---|---|
| Pages (from-to) | 1225-1228+1233 |
| Journal | Beijing Hangkong Hangtian Daxue Xuebao/Journal of Beijing University of Aeronautics and Astronautics |
| Volume | 36 |
| Issue number | 10 |
| State | Published - Oct 2010 |
Keywords
- Acoustic emission testing
- Estimation
- Nonlinear analysis
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