Research Article
Numerical Investigations on Residual Stress in Laser Penetration Welding Process of Ultrafine-Grained Steel
Table 5
The percentage error between the simulated and actual molten pools.
| | Weld width (mm) | Weld depth (mm) | Maximum percentage error (%) | | Experimental data | FEA model | Experimental data | FEA model | |
| 1st condition | 4.0 | 4.068 | 5.4 | 5.387 | 0.2 | 2nd condition | 3.5 | 3.523 | 4.2 | 4.186 | 0.3 |
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