PSI - Issue 8

P. Conti et al. / Procedia Structural Integrity 8 (2018) 410–421

419

Author name / Structural Integrity Procedia 00 (2017) 000–000

The results allow to conclude that the FE model could suggest the most appropriate combination of the process parameters.

Tab. IV – Results of the second set of tests

Melted elements

Test N°

Power

Speed

Overlap

Temperature

[W] 100 100 100 100 120 120 120 120 120 150

[mm/s)]

[%]

[K]

[%]

1 2 3 4 5 6 7 8 9

50 50

0

2301 2286 1962 1961 2679 2661 2255 2240 2846 3202

33 51 13 21 54 77 24 39 97 95

25

100 100

0

25

50 50

0

25

100 100

0

25 25 25

25 50

10

A = Laser power B = Beam speed C = Overlapping

Fig. 13 – Effect on fraction of melted elements

Fig. 14 – Test no. 6 – Temperature pattern. Only melted elements are displayed (70%)

Fig. 15 – Test no.9 – Elements Only melted elements are displayed (97%)