Formation of SS316L Single Tracks in Micro Selective Laser Melting: Surface, Geometry, and Defects

Table 3

Occurrence of “double-crest” surface.

(mm/s)	P (W)
	20	30	40	50	60	70	80	90	100
400	✗	✗	✗	✓	✓	✓	✓	✓	✓
800				✓	✓
1200	✗	✗	✗	✓	✓	✓	✓	✓	✓
1600				✓	✓
2000				✓	✓
2400				✗	✓
2800	—	✗	✗	✗	✗	✗	✗	✗	✗

Note. —: no molten pool; ✗: “single-crest” molten pool; ✓: “double-crest” molten pool.