Table 6 Porosity measurements for the CoCr and Ti6Al4V specimens printed with virgin and reused powder, determined on polished surfaces by optical microscope and microtomography.

From: The microstructure, mechanical and electrochemical properties of 3D printed alloys with reusing powders

 

Porosity—cross section surface [%]

Porosity—whole specimen (microtomography) [%]

CoCr—virgin

0.13

0.05

CoCr—reused

0.21

0.19

Ti6Al4V—virgin

0.19

0.02

Ti6Al4V—reused

0.06

0.07

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