Fig. 1. Mesh division of finite element model

Fig. 2. Planar continuous heat source model

Fig. 3. Sample point location and number

Fig. 4. Heat source loaded into model

Fig. 5. Maximum temperature change at each horizontal point. (a) Point 10; (b) point 6; (c) point 11

Fig. 6. Thermal stress distributions at same location for six schemes. (a) Laser power of 1200 W and scanning speed of 2 mm·s^-1; (b) laser power of 1200 W and scanning speed of 3 mm·s^-1; (c) laser power of 1200 W and scanning speed of 4 mm·s^-1; (d) laser power of 1400 W and scanning speed of 2 mm·s^-1; (e) laser power of 1400 W and scanning speed of 3 mm·s^-1; (f) laser power of 1400 W and scanning speed of 4 mm·s^-1

Fig. 7. Thermal cycle curves

Fig. 8. von Mises thermal stress cycle curves

Fig. 9. Comparison between experimental and simulation results