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Materials Science in Additive Manufacturing AM-produced CoCrFeMnNi properties

To understand the effect of scan speed and heat samples is high (0.62 – 0.65). The microstructure of all four
treatment on crystallographic texture, EBSD analysis conditions primarily consists of coarse columnar grains of
was performed on the DD-TD section. Figure 7 shows 75 – 200 μm wide, and these grains cross several layers
the inverse pole figure (PF) maps as well as PFs for the along the deposition direction. Such phenomenon is typical
studied materials. Thanks to the XRD analysis results, only for the morphology for AM-produced materials [11,20,52,53] ,
FCC phase was needed to index the pattern for obtaining which is driven by epitaxial growth due to re-melting in
inverse PFs (IPFs). The confidence index (CI) of all the layer wise process . The PFs (PFs) show presence of
[54]
A

B

C

D

Figure 7. Inverse PFs (IPFs) along the normal direction and their corresponding PFs for SLM-produced CoCrFeMnNi using 450 and 750 mm/s scanning
speeds before and after heat treatment. (A) 450 AB; (B) 450 HT; (C) 750 AB; and (D) 750 HT.

Volume 2 Issue 1 (2023) 8 https://doi.org/10.36922/msam.42