Figure 4 | Scientific Reports

Figure 4

From: Metallurgical and Electrochemical Properties of Super Duplex Stainless Steel Clads on Low Carbon Steel Substrate produced with Laser Powder Bed Fusion

Figure 4

The optical micrographs showing the microstructure of the SDSS clad produced at scan speed of (a) 100 mm/s, (b)200 mm/s, (c) 400 mm/s showing δ- ferrite columnar grains with austenite phase on grain boundary and (d) 600 mm/s, (e) 800 mm/s and (f) 1000 mm/s showing the increasing presence of Widmanstatten austenite (needle/lath microstructure) in δ- ferrite matrix.

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