Research Article
Numerical Investigations on Residual Stress in Laser Penetration Welding Process of Ultrafine-Grained Steel
Figure 8
The residual stresses at the trace points at different times (1st welding condition): (a) 0–1 s; (b) 1–10 s; (c) 10–200 s.
(a) |
(b) |
(c) |