| About this Abstract |
| Meeting |
13th International Conference on the Technology of Plasticity (ICTP 2021)
|
| Symposium
|
13th International Conference on the Technology of Plasticity (ICTP 2021)
|
| Presentation Title |
Application of the Nondestructive Evaluation (NDE) Method to Evaluate the Sheared Edge Quality and Edge Cracking |
| Author(s) |
Clare Gu, Nikky Pathak, Shaun Freed, Hyunok Kim |
| On-Site Speaker (Planned) |
Clare Gu |
| Abstract Scope |
Evaluating the shear edge quality and edge cracking is important in forming the advanced high-strength steel for automotive structural parts. This paper introduces the eddy-current based NDE method to evaluate the sheared edge quality. Using different shear clearances from 5 to 25% of the sheet thickness, different work hardening magnitudes were applied on the sheared edges which varied the local formability. The NDE sensor scanned the sheared DP780 blanks to obtain the NDE data. To compare the NDE data to the work hardening level of the sheared edge, the microhardness was measured. The edge formability was evaluated using half specimen dome test (HSDT) with digital image correlation (DIC) to correlate the failure strain with the NDE data. The NDE result shows good correlation with edge formability and microhardness. With additional development effort, the eddy-current based NDE method can be implemented as a real-time monitoring tool for rapid edge quality evaluation. |
| Proceedings Inclusion? |
Definite: At-meeting proceedings |