Abstract
Acoustic emission (AE) monitoring has been used to detect split formation during room temperature low blow Charpy impact testing of high strength thick strip steels. The AE signal analysis identified separate signals originating from hammer impact, plastic deformation (verified using Charpy impact testing on mild steel with no splits) and split initiation/growth. The presence of splits was confirmed by sectioning and fractography, and the splits were brittle in nature. A possible correlation between the AE signal features and fracture mode is presented.
| Original language | English |
|---|---|
| Pages (from-to) | 240-242 |
| Number of pages | 3 |
| Journal | Materials Science and Technology |
| Volume | 28 |
| Issue number | 2 |
| DOIs | |
| Publication status | Published - 1 Feb 2012 |
Keywords
- Splits
- Acoustic methods
- Impact test
- Fracture
- Steel