Effects of Aging Treatment on Laser-Welded Mg-Rare Earth Alloy NZ30K

Table 2

Parameters of heat treatments.

Sample	Parameters of heat treatments
1	Laser-welded joint with no heat treatment
2	540°C × 6 h solution treatment + 200°C × 2 h aging treatment
3	540°C × 6 h solution treatment + 200°C × 8 h aging treatment
4	540°C × 6 h solution treatment + 200°C × 64 h aging treatment
5	540°C × 6 h solution treatment + 225°C × 8 h aging treatment
6	540°C × 6 h solution treatment + 225°C × 64 h aging treatment