800 MPa Class HSLA Steel Block Part Fabricated by WAAM for Building Applications: Tensile Properties at Ambient and Elevated (600°C) Temperature

Figure 4

Microstructure of the deposit. (a) 3-D view of several passes; (b) YOZ view of passes; (c–e) OM and (f–i) SEM of the deposit; (c, g) equiaxial grain; (d, h) column grain; (e, i) coarse grain; (f) fine cellular grain; (j) IPF of a column grain (EBSD); (k) bainite laths (TEM).

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